CN107760331A

CN107760331A - A kind of small burner smoke processing system of coke side

Info

Publication number: CN107760331A
Application number: CN201610690188.6A
Authority: CN
Inventors: 付建军
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-19
Filing date: 2016-08-19
Publication date: 2018-03-06

Abstract

The invention discloses the small burner deduster of tamping coke furnace coke side, support base is provided with furnace roof baseline, blower fan is fixed on the support base with deduster, also include main tracheae and multiple gas skirts, directly over gas skirt is covered on the outside of the small burner of two adjacent coke sides, the inlet scoop with blower fan, deduster air inlet are connected respectively for main tracheae one end, and the main tracheae other end is connected by bronchus with multiple gas skirts；Gas skirt is made up of the collection section being connected with each other and refraction section, and collection section offers helicla flute along its axis direction on its inwall, and refraction section is that coniform and its cone tip portion connects with bronchial end.During work, centralized collection is carried out to the flue gas that loss in small burner on furnace roof baseline comes out simultaneously together by multiple gas skirts, and the flue gas collected is entered in main tracheae by bronchus, entered under the traction of blower fan wind-force in dirt catcher, to carry out the processing of flue gas, prevent the loss of furnace roof flue gas, avoid polluting environment.

Description

A kind of small burner smoke processing system of coke side

Technical field

The present invention relates to Environmental Protection Technology in Coking Industry field, in particular to the small burner deduster of tamping coke furnace coke side.

Background technology

Coking is multi-source pollution industry, and flue dust is that emissions are mainly polluted 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 ground standing posture dust pelletizing system application is more wide It is general.Ground standing posture coke discharging and dedusting system is blocked mainly for coke side flue dust using coupling fluid-structure or VFC blower fan by being arranged on Collecting hood on burnt car purifies by its most flue dust collecting and through coke discharging and dedusting device.But still there is part the small furnace head position of coke side Flue dust loss and deteriorate operating environment.The small burner of coke side discharge of the coke flue dust from blow-on door, it is red it is burnt initially enter grid, continue coke pushing and 4 stages of fire door are closed, burnt initially to enter grid stage flue dust most prominent wherein red.

Because the single small burner of coke side, firedoor frame and furnace stay front to coke guide orbit centre away from having differences, to prevent Lead burnt grid and cover bucket type dust gathering arrester scratching furnace stay, its nearly body of heater end and the small burner front spacing of coke side are larger, so as to be flue dust from small Loss leaves structural defect at burner.Flue dust temperature of the discharging of the coke is high, instantaneous heat buoyancy and dirt are large-minded, but coke guide grid of coke guide Top and the bucket type dust gathering arrester area that covers of both quenching carriage tops are mainly allocated to coke quenching cart than great disparity, ground dedusting blower fan suction Compartment top covers bucket type dust gathering arrester, interstice coverage between bucket type dust gathering arrester and small burner be present plus leading burnt grid and covering, thus cause part flue dust from Loss at small burner.In order to improve its dust removing effects, some coal chemical enterprises, which are taken, covers the nearly body of heater of bucket type dust gathering arrester leading Jiao Shanding Perforate and additional vehicle-mounted fan auxiliary dust suction on the side plate of side, Some Enterprises are taken adjustment earth station dedusting fan to shift to an earlier date and transported at a high speed Turn time parameter and initially enter grid stage suction to increase red Jiao in advance；But it is undesirable to produce effects, and also add power consumption.

The content of the invention

It is an object of the invention to provide the small burner deduster of tamping coke furnace coke side, prevent the loss of furnace roof flue gas, avoid Pollute environment.

The purpose of the present invention is achieved through the following technical solutions：

The small burner deduster of tamping coke furnace coke side, is provided with support base on furnace roof baseline, and blower fan is fixed on described with deduster On support base, in addition to main tracheae and multiple gas skirts, the gas skirt are covered on the outside of the small burner of two adjacent coke sides just Top, the inlet scoop with blower fan, deduster air inlet connect respectively for described main tracheae one end, and the main tracheae other end passes through bronchus Connected with multiple gas skirts；The gas skirt is made up of the collection section being connected with each other and refraction section, and the collection section is cylinder Shape and offer helicla flute on its inwall along its axis direction, the refraction section is coniform and its cone tip portion and the branch Tracheae end connects；The deduster includes casing, and the net air cavity and filter chamber mutually completely cut off is provided with the box house, Air inlet pipe and escape pipe are respectively equipped with the two side of casing, and the net air cavity connects with escape pipe, the filter chamber is with entering Tracheae connects, and is provided with air jet pipe in the net air cavity, described air jet pipe one end through net air cavity extend to casing outside and The end is provided with pulse valve, and multiple filter bags are provided with the filter chamber, and one end of the filter bag connects with the net air cavity It is logical, the multiple and one-to-one nozzle of filter bag is provided with the air jet pipe；Also include resistant to elevated temperatures organ cover and one end end is cut with scissors The pre- dirt plate being arranged at the top of filter chamber is connect, is provided with the other end of the pre- dirt plate along the inclined deflector of airintake direction, And balancing weight is fixed with side of the pre- dirt backboard to air inlet pipe, described organ cover one end and the top inner wall of filter chamber cavity Connection, the organ cover other end are connected with outer wall of the balancing weight backwards to air inlet pipe side.

During present invention work, the flue gas come out simultaneously to loss in small burner on furnace roof baseline together by multiple gas skirts enters Row centralized collection, and the flue gas collected is entered in main tracheae by bronchus, and filter dirt is entered under the traction of blower fan wind-force In device, to carry out the processing of flue gas, prevent the loss of furnace roof flue gas, avoid polluting environment.Wherein, flue gas is in bronchus and master Turbulent flow is formed when being moved in tracheae so that flue gas has component velocity in the radial direction along tracheae, i.e. flue gas can be to inner surface of trachea Certain impact is formed, similarly inner surface of trachea can cause certain obstruction to flow of flue gas；Also, can be with from physically saying Turbulent flow is regarded as the flowing being formed by stacking by the vortex of various different scales, the size of these whirlpools is in tracheae axis direction point Cloth is random, and the boundary condition that the vortex of large scale mainly has flowing is certainly sized, can be with the size phase in flow field Analogy, is the reason for causing low frequency pulsating；The vortex of small yardstick is mainly that toughness power is determined, its size may only have flow field The one thousandth magnitude of yardstick, it is the reason for causing dither；Microvortex rotation is formed after the Vortex Breakdown of large scale, it is smaller The vortex of smaller yardstick is formed after the Vortex Breakdown of yardstick, thus in full-blown turbulent region, the yardstick of runny nose vortex Can continuously change in comparatively wide scope, large scale vortex constantly from main flow obtain energy pass through it is mutual between vortex Effect energy is set up to small vortex transmission, finally due to fluid viscosity the small yardstick of effect vortex constantly disappearance mechanical energy just Conversion or be dissipate be fluid heat energy, that is, cause the temperature of main tracheae drastically to raise, main endotracheal pressure increases, accordingly Ground, the live load of blower fan also sharply increase.And in the present invention, gas skirt is made up of collection section and refraction section, and in collection section Be provided with inwall along its axis direction be distributed helicla flute so that enter main tracheae before flue gas in gas skirt gradual shape Into the vortex of large scale, and non-turbulent flow, i.e. flue gas are rotationally advancing around the axis of tracheae, particularly perpendicular to horizontal main gas In tube portion, the energy that the flue gas that is rotationally advancing is consumed is less than the energy consumed when flue gas rises under normal circumstances, and flows The amount that the mechanical energy of body is converted to heat energy is less, the temperature change unobvious of main tracheae, and then reduces disappearing for blower fan and electric power Consumption.

And it is bad for the dust removing effects of cleaner in the prior art, the present invention is provided with pre- in the filter chamber of flue gas Dirt plate, i.e. flue gas are after air inlet pipe is entered in filter chamber, in the presence of pre- dirt plate, due to effect of inertia, in air-flow Crude particle dust falls directly into the bottom of filter chamber（That is the bottom of casing）, and then play a part of pre- dirt；Air-flow continues up Mobile, by filter bag, by dust catching in the outer surface of filter bag, and purified gas then enters in filter bag and rises to filter chamber In the net air cavity on top, the purified gas is directly discharged by escape pipe after convergence, and when filter bag external dust is assembled During to certain thickness, pulse valve events so that compressed air is flowed into air jet pipe, and is filtered corresponding to multiple nozzles towards its Sprayed in bag, high velocity air drives surrounding air to be sprayed into through nozzle in each filter bag so that the dust being captured on filter bag outer wall Come off, be finally collected into the bottom of filter chamber, after the dust of filter chamber bottom is collected, pulse valve is closed, filter bag Return back to original filtration condition；Pass through the secondary collection to dust in flue gas so that the finally gas by being discharged in escape pipe Meet industrial standard, reach and be badly in need of the purpose for improving dust removing effects in the industry.

And be directed in the prior art, when caused flue gas is handled during being coaling to coke furnace carbonization chamber, blast pipe The design path in road is shorter, and the Mars remained in flue gas can enter directly into be caused to damage in deduster to filter bag, and inventor enters Row further investigation finds that flow velocity of the flue gas when entering in air inlet pipe is very unstable, in high temperature environments, is flowed out with flue gas Mars can not be consumed when flue gas flow rate is too fast in moving process its own carrying amount of heat, and flue gas flow rate compared with Time slack, Mars can in moving process automatic distinguishing, i.e., filter bag can not be caused to damage；Meanwhile it is fixedly installed in filter chamber Pre- dirt plate can hinder the normal pass of flue gas, therefore, the present invention is hinged the pre- dirt plate that sets not only in the entrance of air inlet pipe Dust in flue gas can be filtered for the first time, moreover it is possible to which the air-flow in air inlet pipe is intercepted；It is too fast in the flow velocity of flue gas stream When, can be to pre- dirt plate shape into impact so that pre- dirt plate is swung around its pin joint and along the flow direction of flue gas, utilizes pre- dirt backboard Balancing weight on face prevents that the amplitude of fluctuation of pre- dirt is excessive to increase the gravity of pre- dirt plate, and once when flue gas is to pre- dirt plate When impact dynamics reduces, reverse swing will occur for pre- dirt plate, to control the passage formed between air inlet pipe and pre- dirt plate Size, and then the flow velocity for controlling flue gas to enter in filter chamber（I.e. using the gas in unit volume with certain flow velocity by small logical After road enters in big passage, principle that its speed can reduce）；I.e. when flue gas with faster speed enter blast pipe in, in pre- dirt In the presence of plate so that flue gas is entered in filter chamber with relatively stable speed, while the Mars entered in the lump with flue gas It is distributed the heat entrained by itself with enough displacements, avoid Mars from directly being contacted with filter bag and cause it impaired.

Wherein, nozzle inflated into filter bag be allowed to expand when, the dust being attached on filter bag can be in filter chamber everywhere Sputtering, and balancing weight upper surface has certain area, and balancing weight meeting at the top of balancing weight during swung with pre- dirt plate More dust is accumulated, and then causes the gross weight increase of balancing weight, that is, increases stop dynamics of the pre- dirt plate to flue gas, that is, reduces The cleaning efficiency of dust in filter chamber；And in the present invention, resistant to elevated temperatures organ cover is installed in filter chamber top inner wall, the wind Qin cover opens balancing weight upper surface and the isolation of filter chamber inner space, has prevented the possibility that dust is accumulated at the top of balancing weight, protects Regulation of the pre- dirt plate to flue gas flow rate is demonstrate,proved, improves the efficiency of dust collection of flue gas.

Flap valve is installed in the bronchial end, the flap valve connects with the refraction section upper end.Pass through turnover panel Valve, the flow that bronchus and main tracheae can be entered to the flue gas in gas skirt regulate and control, and avoid the live load of blower fan from going out Now dally or overload, and then reduce cost when fume collection is handled.

Flue gas switching valve is installed on the main tracheae.When the flue gas loss of the small burner of coke side is serious, bronchus with And main tracheae fume collection overload when, the flue gas switching valve on main tracheae can be connected directly with ground station for dust removal, Flue gas that can be in gas skirt carries out auxiliary conducting, improves the fume collection treatment effeciency in the small burner of coke side.

Stopper slot is provided with the upper end of the balancing weight, connecting rod is hinged with the top of the filter chamber, and in connecting rod End is provided with roller, and the roller-coaster is arranged in stopper slot.When the amplitude of fluctuation of pre- dirt plate is excessive, equivalent to exhaust Flue gas in pipe is directly impacted on filter bag, is unable to reach two-stage dust removal effect, and easily make it that filter bag is disturbed by Mars And it is damaged；The present invention is provided with stopper slot in the upper end of balancing weight, and is hinged on the cavity wall of filter chamber and is provided with connecting rod, and connects The pulley of bar end is slidably in stopper slot, so as to get when slip is moved to the extreme position on the left of stopper slot, pre- dirt plate is then Can not continue to swing to the right, similarly, when pulley is moved to the extreme position on the right side of stopper slot, pre- dirt plate can not then continue to Left swing is moved, and to prevent the left and right amplitude of oscillation of pre- dirt plate excessive, ensures that flue gas enters filter chamber with stable flow velocity in dust removal process It is interior, maximize the dust removing effects for realizing flue gas.

Condenser is installed in the side wall of the casing, the gas outlet of the condenser connects with filter chamber, condenser Air inlet connected with air inlet pipe.Condenser is set between air inlet pipe and filter chamber, and the condenser is flue gas condenser, can The a large amount of heat energy carried in flue gas are eliminated into a part, influence filter bag to prevent the flue-gas temperature into filter chamber too high Service life.

The bottom of the casing is provided with revolving valve.Preferably, revolving valve, wherein revolving valve are installed in bottom half Also referred to as discharge valve or vane type wind stopping device, main function of the vane type wind stopping device in Geldart-D particle or casing, which is that, to be made to unload In the case where there is pressure differential, dust is smoothly discharged out glassware, and prevents air from leaking, so as to ensure conveying and casing energy Normally with efficiently working.

The present invention compared with prior art, has the following advantages and advantages：

1st, gas skirt of the invention is made up of collection section and refraction section, and is provided with along its axis direction and is distributed on the inwall of collection section Helicla flute so that the flue gas before main tracheae is entered gradually forms the vortex of large scale in gas skirt, and non-turbulent flow, i.e., Flue gas is rotationally advancing around the axis of tracheae, particularly in the flue gas institute in horizontal main duct portion, being rotationally advancing The energy of consumption is less than the energy that is consumed when flue gas rises under normal circumstances, and the mechanical energy of fluid be converted to the amount of heat energy compared with It is few, the temperature change unobvious of main tracheae, and then reduce the consumption of blower fan and electric power；

2nd, the present invention is when the flue gas loss of the small burner of coke side is serious, the fume collection overload of bronchus and main tracheae When, the flue gas switching valve on main tracheae can be connected directly with ground station for dust removal, and flue gas that can be in gas skirt carries out auxiliary and led It is logical, improve the fume collection treatment effeciency in the small burner of coke side；

3rd, the scope of bag dust filter processing air quantity is wide in the present invention, and several square meters as low as per minute are big to tens thousand of squares per minute Rice, suitable for the flue gas ash removal at industrial furnace cellar for storing things, the discharge of atmosphere pollution can be greatly reduced.

Brief description of the drawings

Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：

Fig. 1 is schematic structural view of the invention；

Fig. 2 is the structural representation of deduster；

Fig. 3 is the structural representation under deduster deashing state.

Mark and corresponding parts title in accompanying drawing：

The pre- dirt plate of 1- air inlet pipe, 2- condensers, 3- pulse valves, 4-, 5- air jet pipes, 6- connecting rods, 7- stopper slots, 8- balancing weights, 9- Deflector, 10- escape pipes, 11- filter bags, 12- revolving valves, 13- casings, 14- organs cover, 15- support bases, 16- furnace roofs baseline, The main tracheae of 17- flow valves, 18-, 19- helicla flutes, 20- gas skirts, 21- flap valves, 22- bronchuses, 23- flue gases switching valve, 24- Deduster, 25- blower fans.

Embodiment

For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make For limitation of the invention.

Embodiment 1

As shown in Fig. 1 ~ Fig. 3, the present embodiment is provided with support base 15 on furnace roof baseline 16, and blower fan 25 is fixed on deduster 24 On the support base 15, in addition to main tracheae 18 and multiple gas skirts 20, the gas skirt 20 are covered in two adjacent coke sides Directly on the outside of small burner, the inlet scoop with blower fan 25, the air inlet of deduster 24 connect respectively for described main one end of tracheae 18, main gas The other end of pipe 18 is connected by bronchus 22 with multiple gas skirts 20；The gas skirt 20 by the collection section that is connected with each other and Reflect section to form, the collection section is tubular and offers helicla flute 19, the refraction section on its inwall along its axis direction Connected for coniform and its cone tip portion with the end of bronchus 22；The deduster 24 includes casing 13, in the casing 13 are internally provided with the net air cavity and filter chamber mutually completely cut off, and air inlet pipe 1 and escape pipe are respectively equipped with the two side of casing 13 10, and the net air cavity connects with escape pipe 10, the filter chamber is connected with air inlet pipe 1, and spray is provided with the net air cavity Tracheae 5, described one end of air jet pipe 5 extends to outside casing 13 through net air cavity and is provided with pulse valve 3 in the end, in the mistake Multiple filter bags 11 are provided with filter chamber, one end of the filter bag 11 connects with the net air cavity, is provided with the air jet pipe 5 multiple With 11 one-to-one nozzle of filter bag；Also include resistant to elevated temperatures organ cover 14 and one end end is hinged and is arranged at the top of filter chamber Pre- dirt plate 4, it is provided with the other end of the pre- dirt plate 4 by torsion spring along the inclined deflector 9 of airintake direction, the deflector 9 ends extend to the filter chamber bottom, and in pre- dirt plate 4 back to being fixed with balancing weight 8, the wind on the side of air inlet pipe 1 The one end of qin cover 14 is connected with the top inner wall of filter chamber cavity, and the other end of organ cover 14 is with the balancing weight 8 backwards to air inlet pipe 1 one The outer wall connection of side.

During work, the flue gas that loss in small burner on furnace roof baseline 16 comes out is carried out simultaneously together by multiple gas skirts 20 Centralized collection, and the flue gas collected is entered in main tracheae 18 by bronchus 22, is entered under the traction of the wind-force of blower fan 25 In dirt catcher, to carry out the processing of flue gas, and flow valve 17 is installed on one end of deduster 24 in main tracheae 18, flow Valve 17 coordinates with deduster 24 so that the efficiency of deduster 24 matches with flue gas input, to the full extent by smoke filtration Processing, prevents the loss of furnace roof flue gas, avoids polluting environment.Wherein, when flue gas moves in bronchus 22 and main tracheae 18 Forming turbulent flow so that flue gas has component velocity in the radial direction along tracheae, i.e. flue gas can form certain impact to inner surface of trachea, Similarly inner surface of trachea can cause certain obstruction to flow of flue gas；Also, turbulent flow can be regarded as from physically saying The flowing being formed by stacking by the vortex of various different scales, the sizes of these whirlpools in the distribution of tracheae axis direction be it is random, The boundary condition that the vortex of large scale mainly has flowing is certainly sized, can be comparable with the size in flow field, is to cause The reason for low frequency pulsating；The vortex of small yardstick is mainly that toughness power is determined, its size may only have thousand points of flow field yardstick One of magnitude, be the reason for causing dither；Microvortex rotation, the vortex of smaller scale are formed after the Vortex Breakdown of large scale The vortex of smaller yardstick is formed after rupture, thus in full-blown turbulent region, the yardstick that runny nose is vortexed can be comparatively wide In the range of continuously change, the vortex of large scale constantly obtains energy from main flow and passes through the interaction energy bins between vortex Build to small vortex transmission, finally because the vortex constantly disappearance mechanical energy of the small yardstick of effect of fluid viscosity just converts or is Dissipate as the heat energy of fluid, that is, cause the temperature of main tracheae 18 drastically to raise, the pressure increase in main tracheae 18, correspondingly, wind The live load of machine 25 also sharply increases.And in the present invention, gas skirt 20 is made up of collection section and refraction section, and in collection section The helicla flute 19 being distributed along its axis direction is provided with wall so that flue gas before main tracheae 18 is entered in the gas skirt 20 by The vortex of large scale is gradually formed, and non-turbulent flow, i.e. flue gas are rotationally advancing around the axis of tracheae, particularly perpendicular to horizontal In the main part of tracheae 18, the energy that the flue gas that is rotationally advancing is consumed is less than the energy consumed when flue gas rises under normal circumstances Amount, and the mechanical energy of fluid be converted to heat energy amount it is less, the temperature change unobvious of main tracheae 18, so reduce blower fan 25 with And the consumption of electric power.

Bad for the dust removing effects of cleaner in the 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 is entered in filter chamber, in the presence of pre- dirt plate 4, due to effect of inertia, in air-flow Crude particle dust fall directly into the bottom of filter chamber（That is the bottom of casing 13）, and then play a part of pre- dirt；Air-flow continues Move up, by filter bag 11, by dust catching in the outer surface of filter bag 11, and purified gas then enters in filter bag 11 Rise in the net air cavity on filter chamber top, the purified gas is directly discharged by escape pipe 10 after convergence, and works as filter bag When 11 external dusts gather certain thickness, pulse valve 3 acts so that and compressed air is flowed into air jet pipe 5, and by multiple For nozzle towards spraying in its corresponding filter bag 11, high velocity air drives surrounding air to be sprayed into through nozzle in each filter bag 11 so that catches Collect the dust releasing on the outer wall of filter bag 11, the bottom of filter chamber is finally collected into, when the dust of filter chamber bottom is collected After, pulse valve 3 is closed, and filter bag 11 returns back to original filtration condition；Pass through the secondary collection to dust in flue gas so that Industrial standard is finally met by the gas discharged in escape pipe 10, reaches and is badly in need of the purpose for improving dust removing effects in the industry.

And be directed in the prior art, when caused flue gas is handled during being coaling to coke furnace carbonization chamber, blast pipe The design path in road is shorter, and the Mars remained in flue gas can enter directly into be caused to damage in deduster to filter bag 11, inventor Further investigation discovery is carried out, flow velocity of the flue gas when entering in air inlet pipe 1 is very unstable, in high temperature environments, with flue gas The Mars of outflow can not consume the amount of heat of its own carrying when flue gas flow rate is too fast in moving process, and in flue gas stream Speed compared with time slack, Mars can in moving process automatic distinguishing, i.e., filter bag 11 can not be caused to 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 hinged what is set in the entrance of air inlet pipe 1 Pre- dirt plate 4 can not only be filtered for the first time to the dust in flue gas, moreover it is possible to which the air-flow in air inlet pipe 1 is intercepted；In flue gas When the flow velocity of stream is too fast, pre- dirt plate 4 can be formed and impacted so that pre- dirt plate 4 is put around its pin joint and along the flow direction of flue gas It is dynamic, using the balancing weight 8 on the pre- back side of dirt plate 4 to increase the gravity of pre- dirt plate 4, prevent that the amplitude of fluctuation of pre- dirt is excessive, and one When flue gas reduces to the impact dynamics of pre- dirt plate 4, reverse swing will occur denier for pre- dirt plate 4, with control air inlet pipe 1 with it is pre- The size of the passage formed between dirt plate 4, and then the flow velocity for controlling flue gas to enter in filter chamber（Utilize the gas in unit volume After body is entered in big passage with certain flow velocity by passage aisle, principle that its speed can reduce）；I.e. when flue gas is with faster speed Into in blast pipe, in the presence of pre- dirt plate 4 so that flue gas is entered in filter chamber with relatively stable speed, simultaneously There is the Mars entered in the lump with flue gas enough displacements it is distributed the heat entrained by itself, avoid Mars directly with filter Bag 11 contacts and causes it impaired.Wherein, nozzle inflated into filter bag 11 be allowed to expand when, the dust that is attached on filter bag 11 It can be sputtered everywhere in filter chamber, and the upper surface of balancing weight 8 has certain area, and balancing weight 8 is being swung with pre- dirt plate 4 During the top of balancing weight 8 can accumulate more dust, and then cause the gross weight increase of balancing weight 8, that is, it is right to increase pre- dirt plate 4 The stop dynamics of flue gas, that is, reduce the cleaning efficiency of dust in filter chamber；And in the present embodiment, in filter chamber top inner wall Resistant to elevated temperatures organ cover 14 is installed, the organ cover 14 opens the upper surface of balancing weight 8 and the isolation of filter chamber inner space, prevents The possibility that dust is accumulated at the top of balancing weight 8, ensures regulation of the pre- dirt plate 1 to flue gas flow rate, improves the efficiency of dust collection of flue gas.

The present embodiment can enter the stream of bronchus 22 and main tracheae 18 by flap valve 21 to the flue gas in gas skirt 20 Amount is regulated and controled, and avoids the live load of blower fan 25 from occurring dallying or overload, and then reduces cost when fume collection is handled. When the flue gas loss of the small burner of coke side is serious, during the fume collection overload of bronchus 22 and main tracheae 18, positioned at master Flue gas switching valve 23 on tracheae 18 can be connected directly with ground station for dust removal, and flue gas that can be in gas skirt 20 carries out auxiliary conducting, Improve the fume collection treatment effeciency in the small burner of coke side.

Wherein, the present embodiment is provided with stopper slot 7 in the upper end of the balancing weight 8, is hinged with the top of the filter chamber Connecting rod 6, and roller is installed in the end of connecting rod 6, the roller-coaster is arranged in stopper slot 7；In the side of the casing 13 Condenser 2 is installed, the gas outlet of the condenser 2 connects with filter chamber, and air inlet and the air inlet pipe 1 of condenser 2 connect on wall It is logical.

When the amplitude of fluctuation of pre- dirt plate 4 is excessive, directly impacted equivalent to the flue gas in blast pipe on filter bag 11, can not Reach two-stage dust removal effect, and easily filter bag 11 is damaged by the interference of Mars；The present invention opens in the upper end of balancing weight 8 Limited location groove 7, and be hinged on the cavity wall of filter chamber and be provided with connecting rod 6, and the pulley of the end of connecting rod 6 is slidably spacing Groove 7, so as to get when sliding the extreme position for being moved to the left side of stopper slot 7, pre- dirt plate 4 can not then continue to swing to the right, similarly, When pulley is moved to the extreme position on the right side of stopper slot 7, pre- dirt plate 4 can not then continue to swing to the left, to prevent pre- dirt plate 4 The left and right amplitude of oscillation is excessive, ensures that flue gas is entered in filter chamber with stable flow velocity in dust removal process, removing for flue gas is realized in maximization Dirt effect.Condenser 2 is set between air inlet pipe 1 and filter chamber, and the condenser 2 is flue gas condenser 2, will can be taken in flue gas A large amount of heat energy of band eliminate a part, and filter bag 11 is influenceed to prevent the flue-gas temperature into filter chamber too high uses the longevity Life.

Preferably, installing revolving valve 12 in the bottom of casing 13, wherein revolving valve 12 is also referred to as discharge valve or vane type closes Wind device, main function of the vane type wind stopping device in Geldart-D particle or casing 13, which is that, makes discharger have the situation of pressure differential Under, dust is smoothly discharged out, and prevents air from leaking, so as to ensure that conveying and casing 13 can be normally with efficiently working.

Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include Within protection scope of the present invention.

Claims

1. the small burner deduster of tamping coke furnace coke side, in furnace roof baseline（16）On be provided with support base（15）, blower fan（25）With except Dirt device（24）It is fixed on the support base（15）On, it is characterised in that：Also include main tracheae（18）With multiple gas skirts（20）, institute State gas skirt（20）Directly over being covered on the outside of the small burner of two adjacent coke sides, the main tracheae（18）One end respectively with blower fan （25）Inlet scoop, deduster（24）Air inlet connects, main tracheae（18）The other end passes through bronchus（22）With multiple collection Gas hood（20）Connection；The gas skirt（20）Be made up of the collection section that is connected with each other and refraction section, the collection section be tubular and Along its axis direction helicla flute is offered on its inwall（19）, the refraction section is coniform and its cone tip portion and the branch Tracheae（22）End connects；The deduster includes casing（13）, in the casing（13）Be internally provided with mutually completely cut off it is net Air cavity and filter chamber, casing（13）Two side on be respectively equipped with air inlet pipe（1）And escape pipe（10）, and the net air cavity is with going out Tracheae（10）Connection, the filter chamber and air inlet pipe（1）Connection, air jet pipe is provided with the net air cavity（5）, the jet Pipe（5）One end extends to casing through net air cavity（13）Outside and pulse valve is installed in the end（3）, set in the filter chamber It is equipped with multiple filter bags（11）, the filter bag（11）One end connected with the net air cavity, the air jet pipe（5）On be provided with it is multiple with Filter bag（11）One-to-one nozzle；Also include resistant to elevated temperatures organ cover（14）It is hinged and is arranged at the top of filter chamber with one end end Pre- dirt plate（4）, in the pre- dirt plate（4）The other end be provided with along the inclined deflector of airintake direction（9）, and in pre- dirt plate （4）Back to air inlet pipe（1）Side on be fixed with balancing weight（8）, the organ cover（14）One end and the top of filter chamber cavity Inwall connects, organ cover（14）The other end and the balancing weight（8）Backwards to air inlet pipe（1）The outer wall connection of side.

2. the small burner deduster of tamping coke furnace coke side according to claim 1, it is characterised in that：In the bronchus（22） End is provided with flap valve（21）, the flap valve（21）Connected with the refraction section upper end.

3. the small burner deduster of tamping coke furnace coke side according to claim 1, it is characterised in that：In the main tracheae（18） On flue gas switching valve is installed（23）.

A kind of 4. action of low-voltage pulse dust arrester according to claim 1, it is characterised in that：In the balancing weight（8）It is upper End is provided with stopper slot（7）, connecting rod is hinged with the top of the filter chamber（6）, and in connecting rod（6）End roller is installed, The roller-coaster is arranged on stopper slot（7）It is interior.

A kind of 5. action of low-voltage pulse dust arrester according to claim 1, it is characterised in that：In the casing（13）Side wall On condenser is installed（2）, the condenser（2）Gas outlet connected with filter chamber, condenser（2）Air inlet and air inlet pipe （1）Connection.

A kind of 6. action of low-voltage pulse dust arrester according to claim 1, it is characterised in that：In the casing（13）Bottom It is provided with revolving valve（12）.