CN205119814U - Eliminate device of big flue laying dust of sintering - Google Patents
Eliminate device of big flue laying dust of sintering Download PDFInfo
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- CN205119814U CN205119814U CN201520883674.0U CN201520883674U CN205119814U CN 205119814 U CN205119814 U CN 205119814U CN 201520883674 U CN201520883674 U CN 201520883674U CN 205119814 U CN205119814 U CN 205119814U
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- sintering
- laying dust
- unloading valve
- gravitational precipitator
- climbing section
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Abstract
The utility model discloses an eliminate device of big flue laying dust of sintering belongs to the sintering equipment field, and it has been solved present have the big flue of climbing section sintering to have the long -term back laying dust that uses serious, the manual cleaning difficulty, and influence the problem of other equipment normal operatings after returning to work. The utility model discloses a straight tube section and climbing section on the big flue still include the gravitational precipitator and add the wet mixer, the wet mixer that adds include pan feeding mouth and discharge gate, the gravitational precipitator setting in the junction of straight tube section and climbing section, the gravitational precipitator lower extreme is provided with the unloading valve including the export in this export, the unloading valve link to each other with the pan feeding mouth that adds the wet mixer, the discharge gate lower extreme that adds the wet mixer be provided with the belt feeder. The utility model discloses can effectively reduce the big flue of sintering climbing section laying dust, reduce climbing section load pressure, avoid influencing the problem of other equipment normal operatings because of manual cleaning.
Description
Technical field
The utility model belongs to agglomerating plant field, specifically, relates to a kind of device eliminating sintering large flue laying dust.
Background technology
Sintering refers to granular material is changed into DB, is a traditional technical process.People utilize this technique to produce pottery, powder metallurgy, refractory material, hyperthermal material etc. very early.In general, powder is after overmolding, and be a kind of polycrystalline material by sintering the DB obtained, its microstructure is made up of crystal, vitreum and pore.Sintering process directly affects crystallite dimension, pore size and grain-boundary shape in microstructure and distribution, and then affects the performance of material.Sintering process can produce volume of smoke, needs to be discharged by flue, and flue dust easily forms Natural Dust Suppression after oversintering large flue in sintering large flue; Through summing up long-term production experience, the position that in sintering large flue, depositing dust is serious mainly concentrates on large flue climbing section, pile up the porch reaching electric cleaner when its buildup is serious, certain impact has all been created for the dust-collecting efficiency of electric precipitation and the safety load-bearing of large flue climbing section.The buildup of large flue climbing section mainly relies on manually clears up in maintenance process, but the time between overhauls(TBO) is long, and the main water that relies on of cleaning rushes, the method of this cleaning buildup badly influences the electric precipitation work after reproducing that sinters, cause the enrichment of electric cleaner internal moisture, be unfavorable for the work of normally gathering dust of electric cleaner.
Sintering large flue is divided into various structures according to installation site and technological requirement, as Chinese Patent Application No. 201220087226.6, the patent document in publication date on December 5th, 2012, disclose a kind of 450m sintering machine flue, belong to ironmaking enterprise production facility, comprise the smoke chamber of refractory material laying, the wall of smoke chamber is provided with cold wind inlet valve, it is characterized in that being provided with elbow in smoke chamber, the length of the discharge pipe of bend pipe is no less than 200mm, bend pipe is connected with cold wind inlet valve by flange, the axis of the discharge pipe of bend pipe and smoke chamber axis coaxle; And for example Chinese Patent Application No. 201320657708.5, the patent document in publication date on March 26th, 2014, disclose a kind of Novel sintering machine large flue, be made up of bellows, fire grate mounting bar basket, large flue, unloading valve, it is characterized in that bellows bottom installs fire grate mounting bar basket additional in sintering machine large flue, fire grate mounting bar basket uses screw-thread steel to weld.Above-mentioned two kinds of sintering flues need not adopt large flue climbing segment structure because of technique, thus there is not laying dust problem, but in reality production, often because of process characteristic, need the large flue arranging climbing form, and this just brings the serious problem of climbing section laying dust.
Because the structure sintering large flue is different, device for discharging corresponding with it or to eliminate the device of laying dust also different, as Chinese Patent Application No. 201420598413.X, the patent document in publication date on February 4th, 2015, disclose the control of dust device for discharging of sintering machine large flue, it comprises: the Double-deck cinder discharge valve below the dust hopper be connected with large flue, dust hopper, valve on Double-deck cinder discharge valve, the connecting rod be connected with valve on Double-deck cinder discharge valve, dust hopper and Double-deck cinder discharge valve interlink between valve and are connected to communicating pipe; The connecting rod that valve connects on Double-deck cinder discharge valve is equipped with valve plug; Valve plug is inserted in the arrival end of communicating pipe; Communicating pipe is equipped with control valve; And for example, Chinese Patent Application No. 201520199552.X, the patent document in publication date on August 26th, 2015, disclose a kind of sintering machine flue ash-discharging device, comprise the grey funnel of collection, rotating shaft, sealing gasket and baffle plate, the grey funnel of described collection is set to straight tubular construction, collects the below that grey funnel is arranged on sintering machine flue bulk cargo funnel, and the interface collecting grey funnel and sintering machine flue bulk cargo funnel seals and arranges; The below of the grey funnel of described collection is provided with rotating shaft, and baffle plate is fixed on the outer wall collecting grey funnel by rotating shaft, the upper surface of baffle plate is fixed with sealing gasket; But said apparatus all can not solve the serious problem of sintering flue climbing intersegmental part laying dust, can not adapt with adopting the sintering large flue of structure of climbing.
Summary of the invention
The problem that 1, will solve
There is climbing section sintering large flue for existing to deposit laying dust after long-term use serious, labor cleaning's difficulty, and impact return to work after the problem normally run of other equipment, the utility model provides a kind of device eliminating sintering large flue laying dust, effectively can reduce sintering large flue climbing section laying dust, reduce climbing section load pressure, avoid because manual cleaning affects the problem that other equipment normally run.
2, technical scheme
For solving the problem, the utility model adopts following technical scheme.
Eliminate a device for sintering large flue laying dust, comprise the straight length on large flue and climbing section, also comprise gravitational precipitator and wetting stirrer, described wetting stirrer comprises feeding mouth and discharging opening; Described gravitational precipitator is arranged on the junction of straight length and climbing section, and gravitational precipitator lower end comprises outlet, and this outlet is provided with unloading valve; Described unloading valve is connected with the feeding mouth of wetting stirrer; The discharging opening lower end of described wetting stirrer is provided with belt feeder.
Preferably, described wetting stirrer adopts screw mixer.
Preferably, described unloading valve is common electric unloading valve.
Preferably, described belt feeder adopts bulk cargo belt feeder.
Preferably, align with the discharging opening of wetting stirrer in described bulk cargo belt feeder belt one end.
Preferably, adopt between described unloading valve and gravitational precipitator and be bolted connection.
3, beneficial effect
Compared to prior art, the beneficial effects of the utility model are:
(1) the utility model arranges gravitational precipitator in the junction of large flue straight length and climbing section, the flue gas wind speed entering large flue can be made to reduce, the inertia being mingled with dust is utilized in flue gas to be separated with flue gas, sedimentation under its Action of Gravity Field, enter climbing section flue gas in dust content reduce, alleviate climbing section dust load, avoid the problem that climbing section laying dust is serious;
(2) exit, the utility model gravitational precipitator lower end arranges unloading valve, effectively can reduce and leak out, to keep the normal negative pressure in large flue;
(3) dust granule collected through gravitational precipitator of the utility model is thinner, direct discharge easily produces airborne dust, arranges wetting stirrer in unloading valve lower end for this reason, arranges outer after the particulate dust humidification collected, decrease flue dust, play environmental protection, clean effect;
(4) the utility model adds the material after wet process through wetting stirrer and directly drops on the belt of belt feeder, can discharging fast and automatically, decreases manual labor;
(5) the utility model wetting stirrer adopts screw mixer, can reduce the installing space of length direction;
(6) the utility model unloading valve is common electric unloading valve, and belt feeder adopts bulk cargo belt feeder, can maximize the manufacturing cost and use cost of reduction equipment;
(7) adopt between the utility model unloading valve and gravitational precipitator and be bolted connection, the dismounting of convenient for discharging ash valve, is convenient to maintenance and the replacing of parts.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, straight length; 2, climbing section; 3, gravitational precipitator; 4, unloading valve; 5, wetting stirrer; 6, belt feeder.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described further.
Embodiment 1
As shown in Figure 1, a kind of device eliminating sintering large flue laying dust, comprise the straight length 1 on large flue and climbing section 2, also comprise gravitational precipitator 3 and wetting stirrer 5, wetting stirrer 5 adopts screw mixer, and wetting stirrer 5 comprises feeding mouth and discharging opening; Gravitational precipitator 3 is arranged on the junction of straight length 1 and climbing section 2, gravitational precipitator 3 lower end comprises outlet, this outlet is provided with unloading valve 4, unloading valve 4 is common electric unloading valve, unloading valve 4 is connected with the feeding mouth of wetting stirrer 5, adopts and be bolted connection between unloading valve 4 and gravitational precipitator 3; The discharging opening lower end of wetting stirrer 5 is provided with belt feeder 6, and belt feeder 6 adopts bulk cargo belt feeder, aligns with the discharging opening of wetting stirrer 5 in one end of this bulk cargo belt feeder belt.
Operation principle of the present utility model is: flue gas enters sintering large flue straight length 1 with certain flow velocity, enter in gravitational precipitator 3 again, because space in gravitational precipitator 3 becomes suddenly large, flow of flue gas cross section becomes large, flow velocity declines, there is sedimentation in the dust be now mingled with in flue gas, thus collected by gravitational precipitator under its gravity inertial effect, enters humidifying agitator 5 through unloading valve 4; Humidifying agitator 5 pairs of dust carry out humidification stirring, airborne dust occur, contaminated environment after avoiding dust to discharge; Material after humidifying agitator 5 processes falls on bulk cargo belt feeder belt, automatically outwards conveying.
The utility model arranges gravitational precipitator in the junction of large flue straight length and climbing section, the flue gas wind speed entering large flue can be made to reduce, the inertia being mingled with dust is utilized in flue gas to be separated with flue gas, sedimentation under its Action of Gravity Field, enter climbing section flue gas in dust content reduce, alleviate climbing section dust load, avoid the problem that climbing section laying dust is serious; Exit, gravitational precipitator lower end arranges unloading valve, effectively can reduce and leak out, to keep the normal negative pressure in large flue; The dust granule collected through gravitational precipitator is comparatively thin, and direct discharge easily produces airborne dust, arranges wetting stirrer in unloading valve lower end for this reason, arranges, decrease outer after the particulate dust humidification collected flue dust, play environmental protection, clean effect.
Claims (6)
1. eliminate the device of sintering large flue laying dust for one kind, comprise the straight length (1) on large flue and climbing section (2), it is characterized in that: also comprise gravitational precipitator (3) and wetting stirrer (5), described wetting stirrer (5) comprises feeding mouth and discharging opening; Described gravitational precipitator (3) is arranged on the junction of straight length (1) and climbing section (2), and gravitational precipitator (3) lower end comprises outlet, this outlet is provided with unloading valve (4); Described unloading valve (4) is connected with the feeding mouth of wetting stirrer (5); The discharging opening lower end of described wetting stirrer (5) is provided with belt feeder (6).
2. a kind of device eliminating sintering large flue laying dust according to claim 1, is characterized in that: described wetting stirrer (5) adopts screw mixer.
3. a kind of device eliminating sintering large flue laying dust according to claim 1, is characterized in that: described unloading valve (4) is common electric unloading valve.
4. a kind of device eliminating sintering large flue laying dust according to claim 1, is characterized in that: described belt feeder (6) adopts bulk cargo belt feeder.
5. a kind of device eliminating sintering large flue laying dust according to claim 4, is characterized in that: align with the discharging opening of wetting stirrer (5) in described bulk cargo belt feeder belt one end.
6., according to the arbitrary described a kind of device eliminating sintering large flue laying dust of Claims 1 to 5, it is characterized in that: adopt between described unloading valve (4) and gravitational precipitator (3) and be bolted connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520883674.0U CN205119814U (en) | 2015-11-09 | 2015-11-09 | Eliminate device of big flue laying dust of sintering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520883674.0U CN205119814U (en) | 2015-11-09 | 2015-11-09 | Eliminate device of big flue laying dust of sintering |
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| CN205119814U true CN205119814U (en) | 2016-03-30 |
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| CN201520883674.0U Active CN205119814U (en) | 2015-11-09 | 2015-11-09 | Eliminate device of big flue laying dust of sintering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116002317A (en) * | 2023-02-03 | 2023-04-25 | 山西紫光聚环保科技有限公司 | Stable ash conveying system and ash conveying control method |
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2015
- 2015-11-09 CN CN201520883674.0U patent/CN205119814U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116002317A (en) * | 2023-02-03 | 2023-04-25 | 山西紫光聚环保科技有限公司 | Stable ash conveying system and ash conveying control method |
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