CN205933740U - Burnt side rangette head dust remover of coke oven - Google Patents

Abstract

The utility model discloses a burnt side rangette head dust remover of coke oven is provided with the supporting seat on the furnace roof base -line, the fan is fixed with the dust remover on the supporting seat, still include main trachea and a plurality of gas collecting channel, the gas collecting channel covers directly over two adjacent burnt side rangette head outsides, main trachea one end respectively with inlet scoop, the dust remover air inlet intercommunication of fan, the main trachea other end passes through bronchus and a plurality of gas collecting channels intercommunication, the gas collecting channel comprises interconnect's collection section and refraction segment, collects the section and has seted up the helicla flute along its axis direction on its inner wall, and refraction segment is coniform and its awl point part and the terminal intercommunication of bronchus. The during operation simultaneously concentrate the collection to the flue gas that the loss was come out in the little furnace end on the furnace roof base -line together by a plurality of gas collecting channels, and the flue gas of collection enters into main trachea through the bronchus, enters into the dirt catcher under of the drawing of fan wind -force to carry out the processing of flue gas, stop the loss of furnace roof flue gas, avoid the polluted environment.

Description

A kind of little burner cleaner unit of coke oven coke side

Technical field

This utility model is related to Environmental Protection Technology in Coking Industry field, specifically refers to a kind of little burner cleaner unit of coke oven coke side.

Background technology

Coking is multi-source pollution industry, and flue dust is main pollution 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 ground standing posture dust pelletizing system application is more wide General.Ground standing posture coke discharging and dedusting system is passed through to be arranged on to block using coupling fluid-structure or VFC blower fan mainly for coke side flue dust Collecting hood on burnt car purifies by its most flue dust collecting and 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 discharge of the coke flue dust derive from blow-on door, red Jiao initially enter grid, continue coke pushing and Close 4 stages of fire door, it is the most prominent that wherein red Jiao initially enters grid stage flue dust.

Because the single little burner of coke side, firedoor frame and furnace stay front to coke guide orbit centre away from having differences, for preventing Lead burnt grid and cover bucket type dust gathering arrester scratching furnace stay, its nearly body of heater end is larger with coke side little burner front spacing, thus for flue dust from little At burner, loss leaves structural defect.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 Bucket type dust gathering arrester area is covered than great disparity with both quenching carriage top in top, and ground dedusting blower fan suction is mainly allocated to coke quenching cart Compartment top covers bucket type dust gathering arrester, adds to lead burnt grid and cover 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 taken and are covered 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 are taken adjustment earth station dedusting fan to shift to an earlier date and are transported at a high speed Turn time parameter and grid stage suction is initially entered with red Jiao of pre- increasing；But it is all undesirable to produce effects, and also add power consumption.

Utility model content

The purpose of this utility model is to provide a kind of coke oven coke side little burner cleaner unit, prevents the loss of furnace roof flue gas, Avoid polluting environment.

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

A kind of little burner cleaner unit of coke oven coke side, is provided with support base, blower fan is fixed on cleaner unit on furnace roof baseline On described support base, also include main trachea and multiple gas skirt, described gas skirt covers outside the little burner of two adjacent coke sides Directly over side, described main trachea one end is connected with the inlet scoop of blower fan, cleaner unit air inlet respectively, and the main trachea other end passes through to prop up Trachea is connected with multiple described gas skirts；Described gas skirt is made up of interconnective collection section and refraction section, described collection section Offer helicla flute for tubular and along its axis direction on its inwall, described refraction section is coniform and its cone tip portion and institute State bronchial end connection.During utility model works, escaped in little burner on furnace roof baseline together by multiple gas skirts simultaneously The flue gas coming that sheds carries out centralized collection, and the flue gas collected is entered in main trachea by bronchus, in leading of blower fan wind-force Enter under drawing in cleaner unit, to carry out the process of flue gas, prevent the loss of furnace roof flue gas, it is to avoid pollution environment.

Wherein, flue gas forms turbulent flow so that flue gas is along trachea radial direction when moving in bronchus and main trachea On there is component velocity, that is, flue gas can to inner surface of trachea formed certain impact, similarly inner surface of trachea can cause one to flow of flue gas Fixed obstruction；And, turbulent flow can be regarded as the stream being formed by stacking by the vortex of various different scales from physically saying Dynamic, the size of these whirlpools is random in the distribution of trachea axis direction, and the vortex of large scale mainly has the perimeter strip of flowing Part is certainly sized, can be comparable with the size in flow field, is the reason cause low frequency pulsating；The vortex of little yardstick is mainly Toughness power is determined, its size may only have the one thousandth magnitude of flow field yardstick, is the reason cause dither；Big chi Form microvortex rotation after the Vortex Breakdown of degree, form the vortex of less yardstick after the Vortex Breakdown of smaller scale, thus filling In the turbulent region of distribution exhibition, the yardstick that watery nasal discharge is vortexed continuously can change in comparatively wide scope, and the vortex of large scale is not Disconnectedly from main flow obtain energy pass through to be vortexed between interaction energy set up and transmit to little vortex, finally due to fluid viscosity The little yardstick of effect the continuous disappearance mechanical energy that the is vortexed heat energy that just converts or referred to as dissipate as fluid, that is, cause the temperature of main trachea Degree drastically raises, and the endotracheal pressure of master increases, and correspondingly, the workload of blower fan also sharply increases.And in this utility model, Gas skirt by collection section and refraction section constitute, and have on the inwall of collection section along its axis direction distribution helicla flute so that Entering to become owner of the flue gas before trachea and gradually form in gas skirt the vortex of large scale, and non-turbulent flow, that is, flue gas is around trachea Axis is rotationally advancing, and the energy particularly being consumed in the flue gas in horizontal main duct portion, being rotationally advancing is little The energy being consumed when flue gas under normal circumstances rises, and the mechanical energy of fluid be converted to heat energy amount less, main trachea Temperature change is inconspicuous, and then reduces the consumption of blower fan and electric power.

In described bronchial end, flap valve is installed, described flap valve is connected with described refraction section upper end.By turnover panel Valve, can enter bronchus to the flue gas in gas skirt and the flow of main trachea regulates and controls, it is to avoid the workload of blower fan goes out Now dally or transship, and then reduce cost when fume collection is processed.

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 main trachea fume collection overload when, the flue gas switching valve on main trachea can directly be connected 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.

Described cleaner unit is sack cleaner.Preferably, the scope that sack cleaner processes air quantity is wide, little to per minute Number square meter, big extremely tens thousand of square metres per minute, it is adaptable to the flue gas ash removal at industrial furnace cellar for storing things, can greatly reduce the row of atmosphere pollution Put.

This utility model compared with prior art, has such advantages as and beneficial effect：

1st, 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 entering to become owner of the flue gas before trachea and gradually form in gas skirt the vortex of large scale, and Non-turbulent flow, that is, flue gas be rotationally advancing around the axis of trachea, particularly in horizontal main duct portion, be rotationally advancing The energy that consumed of flue gas be less than the energy that flue gas is consumed when rising under normal circumstances, and the mechanical energy of fluid is converted to heat The amount of energy is less, and the temperature change of main trachea is inconspicuous, and then reduces the consumption of blower fan and electric power；

2nd, this utility model when the flue gas loss of the little burner of coke side is serious, bear by the fume collection of bronchus and main trachea When lotus is overweight, the flue gas switching valve on main trachea can directly be connected with ground station for dust removal, can the flue gas in gas skirt carry out Auxiliary conducting, improves the fume collection treatment effeciency in the little burner of coke side；

3rd, in this utility model, the scope of sack cleaner process air quantity is wide, and little to per minute several square meters are big extremely per minute Tens thousand of square metres, it is adaptable to the flue gas ash removal at industrial furnace cellar for storing things, can greatly reduce the discharge of atmosphere pollution.

Brief description

Accompanying drawing described herein is used for providing this utility model embodiment is further understood, and constitutes the one of the application Part, does not constitute the restriction to this utility model embodiment.In the accompanying drawings：

Fig. 1 is this utility model structural representation；

Labelling and corresponding parts title in accompanying drawing：

1- blower fan, 2- support base, 3- furnace roof baseline, 4- flow valve, the main trachea of 5-, 6- helicla flute, 7- gas skirt, 8- turnover panel Valve, 9- bronchus, 10- flue gas switching valve, 11- cleaner unit.

Specific embodiment

For making the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing, The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this Utility model, is not intended as to restriction of the present utility model.

Embodiment 1

As shown in figure 1, the present embodiment is provided with support base 2 on furnace roof baseline 3, blower fan 1 and cleaner unit 11 are fixed on institute State on support base 2, also include main trachea 5 and multiple gas skirt 7, described gas skirt 7 covers burner little in two adjacent coke sides Directly over outside, described main trachea 5 one end is connected with the inlet scoop of blower fan 1, cleaner unit 11 air inlet respectively, and main trachea 5 is another End is connected with multiple described gas skirts 7 by bronchus 9；Described gas skirt 7 is made up of interconnective collection section and refraction section, Described collection section is tubular and offers helicla flute 6 on its inwall along its axis direction, described refraction section is coniform and it Cone tip portion is connected with described bronchus 9 end.During work, by multiple gas skirts 7 together simultaneously to little burner on furnace roof baseline 3 Middle loss flue gas out carries out centralized collection, and the flue gas collected is entered in main trachea 5 by bronchus 9, in blower fan 1 wind Enter under the traction of power in cleaner unit, to carry out the process of flue gas, and install on one end of cleaner unit 11 in main trachea 5 There is flow valve 4, flow valve 4 coordinates with cleaner unit 11 so that the efficiency of cleaner unit 11 is matched with flue gas input, at utmost On smoke filtration is processed, prevent the loss of furnace roof flue gas, it is to avoid pollution environment.

Wherein, flue gas forms turbulent flow so that flue gas is along trachea radial direction side when moving in bronchus 9 and main trachea 5 There is component velocity upwards, that is, flue gas can form certain impact to inner surface of trachea, and similarly inner surface of trachea can cause to flow of flue gas Certain obstruction；And, it is formed by stacking by the vortex of various different scales from physically saying turbulent flow can be regarded as Flowing, the size of these whirlpools is random in the distribution of trachea axis direction, and the vortex of large scale mainly has the border of flowing Condition is certainly sized, can be comparable with the size in flow field, is the reason cause low frequency pulsating；The vortex of little yardstick is main It is that toughness power is determined, its size may only have the one thousandth magnitude of flow field yardstick, is the reason cause dither；Greatly Form microvortex rotation after the Vortex Breakdown of yardstick, after the Vortex Breakdown of smaller scale, form the vortex of less yardstick, thus In full-blown turbulent region, the yardstick that watery nasal discharge is vortexed continuously can change in comparatively wide scope, the vortex of large scale Constantly from main flow obtain energy by being vortexed between interaction energy set up to little vortex transmission, finally because fluid glues Property the little yardstick of effect the continuous disappearance mechanical energy that the is vortexed heat energy that just converts or referred to as dissipate as fluid, that is, cause main trachea 5 Temperature drastically raise, pressure in main trachea 5 increases, and correspondingly, the workload of blower fan 1 also sharply increases.And this practicality In new, gas skirt 7 is made up of collection section and refraction section, and has the spiral along the distribution of its axis direction on the inwall of collection section Groove 6 is so that entering to become owner of the flue gas before trachea 5 and gradually form in gas skirt 7 vortex of large scale, and non-turbulent flow, i.e. cigarette Gas is rotationally advancing around the axis of trachea, particularly perpendicular to horizontal main trachea 5 partly in, the flue gas being rotationally advancing is disappeared The energy of consumption is less than the energy that flue gas is consumed when rising under normal circumstances, and the mechanical energy of fluid is converted to the amount of heat energy relatively Few, the temperature change of main trachea 5 is inconspicuous, and then reduces the consumption of blower fan 1 and electric power.

The present embodiment passes through flap valve 8, can enter bronchus 9 to the flue gas in gas skirt 7 and the flow of main trachea 5 enters Row regulation and control, it is to avoid the workload of blower fan 1 idle running or transships, and then reduce cost when fume collection is processed.In Jiao When the flue gas loss of the little burner in side is serious, during the fume collection overload of bronchus 9 and main trachea 5, on main trachea 5 Flue gas switching valve 10 can directly connect with ground station for dust removal, auxiliary conducting can be carried out by the flue gas in gas skirt 7, improve coke side little Fume collection treatment effeciency in burner.

Preferably, the scope that sack cleaner processes air quantity is wide, little to per minute several square meters are big extremely per minute tens thousand of flat Square rice, it is adaptable to the flue gas ash removal at industrial furnace cellar for storing things, can greatly reduce the discharge of atmosphere pollution.

Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect One step describes in detail, be should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equivalent replaces Change, improve, should be included within protection domain of the present utility model.

Claims (2)

1. the little burner cleaner unit of a kind of coke oven coke side, in furnace roof baseline（3）On be provided with support base（2）, blower fan（1）With cleaner unit （11）It is fixed on described support base（2）Upper it is characterised in that：Also include main trachea（5）With multiple gas skirts（7）, described gas collection Cover（7）Cover directly over outside the little burner of two adjacent coke sides, described main trachea（5）One end respectively with blower fan（1）Suction Air port, cleaner unit（11）Air inlet connects, main trachea（5）The other end passes through bronchus（9）With multiple described gas skirts（7）Even Logical；Described gas skirt（7）It is made up of interconnective collection section and refraction section, described collection section is for tubular and along its axis direction Its inwall offers helicla flute（6）, described refraction section is coniform and its cone tip portion and described bronchus（9）End is even Logical；In described bronchus（9）End is provided with flap valve（8）, described flap valve（8）Connect with described refraction section upper end；Institute State main trachea（5）On flue gas switching valve is installed（10）.

2. a kind of little burner cleaner unit of coke oven coke side according to claim 1 it is characterised in that：Described cleaner unit（11）For Sack cleaner.