CN102861495A - Dust removal device and dust removal method for high-temperature flue gas - Google Patents
Dust removal device and dust removal method for high-temperature flue gas Download PDFInfo
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- CN102861495A CN102861495A CN201210367412XA CN201210367412A CN102861495A CN 102861495 A CN102861495 A CN 102861495A CN 201210367412X A CN201210367412X A CN 201210367412XA CN 201210367412 A CN201210367412 A CN 201210367412A CN 102861495 A CN102861495 A CN 102861495A
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Abstract
The invention provides a dust removal device and a dust removal method for high-temperature flue gas. The dust removal device comprises a first dust removal system and a second dust removal system; the first dust removal system comprises a first barrel, a flue gas inlet, a flue gas outlet and a cooling water component, the flue gas inlet and the flue gas outlet are communicated with the inside of the first barrel, and the cooling water component encircles the first barrel and cools down the first barrel; and the second dust removal system comprises a second barrel, an engine-oil dust removal component, a flue gas inlet and a flue gas outlet, the engine-oil dust removal component is arranged in the second barrel and consists of a base and engine oil attached on the surface of the base, the flue gas inlet is arranged on the lower side of the base, the flue gas outlet is arranged on the upper side of the base, and the flue gas outlet of the first dust removal system is communicated with the flue gas inlet of the second dust removal system. The dust removal method includes cooling the flue gas and removing dust from the flue gas by gravity simultaneously; removing dust by the engine oil; and feeding the flue gas of which the dust is removed by the engine oil into a vacuum system. Power of the flue gas is supplied by the vacuum system. By the dust removal device, the temperature of the flue gas is reduced, the dust removal engine oil is prevented from being carbonized, and the dust removal efficiency is greatly improved.
Description
Technical field
The present invention relates to technical field that the high-temperature gas that power is provided by vacuum system is carried out dedusting, more particularly, relate to a kind of apparatus and method that high-temperature gas in the titanium sponge distillation electric furnace inner chamber of being extracted out by vacuum system is carried out dedusting.
Background technology
When utilizing magnesium reduction process to produce titanium sponge, in order to shorten distillation time, to reduce the distillation energy consumption, adopt the method for vacuum distillation in the production, simultaneously for avoiding retort to cause the retort distortion owing to inside and outside differential pressure is excessive, to vacuumize processing to furnace chamber inside in the production, be called anti-vacuumizing.Owing in the retort more tiny fire resisting material particle being arranged, so can be mixed with fire resisting material particle in the retort flue gas, these solid particles are very big to the destruction of vavuum pump, and easily affect the system vacuum degree, therefore before entering vavuum pump, carry out dust removal operation to flue gas.
At present, adopt in the most titanium sponge production process at the vacuum pipe cylinder that a bottom is set is vertebra shape, between centrum and the cylinder sieve plate is set, the steel wire coil that is adhering to machine oil is housed in the cylindrical tube, utilize the suction-operated of machine oil to remove flue dust.In use find, this device has very large defective, smoke gas temperature higher (700～900 ℃) at first, directly carry out the carbonization that dust removal operation very easily causes machine oil, not only can not adsorb grit, can cause on the contrary the carbon granules after the carbonization to enter vavuum pump, pollute pump oil, reduce its lubricating function, vavuum pump is caused larger damage.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, and a kind of flue-gas temperature that can reduce is provided, improve the dust arrester of flue gas ash removal effect.
To achieve these goals, one aspect of the present invention provides a kind of dust arrester of high-temperature flue gas, described dust arrester comprises the first dust pelletizing system and the second dust pelletizing system, wherein, described the first dust pelletizing system comprises: the first cylindrical shell, the smoke inlet and the exhanst gas outlet that are communicated with described the first inner barrel, and around the first cylindrical shell setting, the cooling water member so that the first cylindrical shell is lowered the temperature; Described the second dust pelletizing system comprises: the second cylindrical shell, be arranged in described the second cylindrical shell by matrix and be attached to the machine oil dedusting member that the machine oil of matrix surface consists of, and the smoke inlet and the exhanst gas outlet that is arranged on described matrix top that are arranged on described matrix below, the exhanst gas outlet of described the first dust pelletizing system is communicated with the smoke inlet of described the second dust pelletizing system.
An embodiment according to high temperature fume dust removal device of the present invention, described cooling water member comprises the water-cooling system shell that is set on described the first cylindrical shell, and place in the seal cavity between described water-cooling system shell and described the first cylindrical shell and around the cooling coil of described the first cylindrical shell, wherein, one end of described cooling coil is communicated with the water inlet that is arranged on described water-cooling system shell upper end, the other end is communicated with the delivery port that is arranged on described water-cooling system shell lower end, is provided with a plurality of water spray apertures at described cooling coil near a side of described the first cylindrical shell.
According to an embodiment of high temperature fume dust removal device of the present invention, described cooling coil is fixed on the described water-cooling system shell, and described cooling coil distributes in the shape of a spiral around described the first cylindrical shell.
An embodiment according to high temperature fume dust removal device of the present invention, described the second dust pelletizing system also comprises sieve plate, cover plate and is arranged between described cover plate and the sieve plate and as the steel wire coil of matrix, wherein, described sieve plate is arranged in described the second cylindrical shell and between the smoke inlet and described machine oil dedusting member of the second dust pelletizing system, described cover plate is arranged in described the second cylindrical shell and between the exhanst gas outlet of described machine oil dedusting member and the second dust pelletizing system, is provided with a plurality of apertures on described cover plate and the described sieve plate.
An embodiment according to high temperature fume dust removal device of the present invention, described the first dust pelletizing system also comprises and being fixed in described the first cylindrical shell with the prolong smoke dividing plate of the time of staying in described the first dust pelletizing system, described dividing plate is along the short transverse setting of described the first dust pelletizing system, and the bottom that the inner space of described the first dust pelletizing system is divided into left part, right part and is positioned at described dividing plate below and left part and right part are communicated with.
An embodiment according to high temperature fume dust removal device of the present invention, described the first dust pelletizing system also comprises the baffle plate that is fixed in the described bottom, described baffle plate is positioned at the below of described right part, and described baffle plate and described dividing plate are between 110 °～130 ° and described baffle plate and the described dividing plate and leave exhaust gases passes.
According to an embodiment of high temperature fume dust removal device of the present invention, described dust arrester also comprises the dust-exhausting port that is arranged on described the first cylinder body bottom and is arranged on the sewage draining exit of described the second cylinder body bottom.
According to an embodiment of high temperature fume dust removal device of the present invention, described dust arrester also comprises on a plurality of smoke inlets that are separately positioned on described the first dust pelletizing system, on the exhanst gas outlet, on the delivery port, on the dust-exhausting port and the control valve on the exhanst gas outlet of described the second dust pelletizing system.
The present invention provides a kind of dust collection method of high-temperature flue gas on the other hand, and described dust collection method comprises the following steps of carrying out successively: flue gas is lowered the temperature and gravitational dust collection simultaneously; Flue gas is carried out the machine oil dedusting; Flue gas after the machine oil dedusting enters vacuum system, and the power of flue gas is provided by vacuum system.
According to an embodiment of high temperature fume dust removal method of the present invention, described dust collection method adopts above-mentioned each described dust arrester to process high-temperature flue gas.
Compared with prior art, it is simple in structure, applicable that the beneficial effect that the present invention has comprises, is convenient to cleaning; Reduce flue-gas temperature, avoided the carbonization of dedusting machine oil; Greatly improve efficiency of dust collection.
Description of drawings
Fig. 1 shows the according to an exemplary embodiment of the present invention schematic diagram of high temperature fume dust removal device.
Fig. 2 shows the schematic diagram that high temperature fume dust removal device according to an exemplary embodiment of the present invention is connected with vacuum distillation plant.
10-the first dust pelletizing system, 11-the first cylindrical shell, the smoke inlet of 12-the first dust pelletizing system, the exhanst gas outlet of 13-the first dust pelletizing system, 14-water-cooling system shell, the 15-cooling coil, the 16-water inlet, the 17-delivery port, the 18-dividing plate, the 19-baffle plate, the 110-dust-exhausting port, the 111-groove that gathers dust, 20-the second dust pelletizing system, 21-the second cylindrical shell, the 22-sieve plate, the 23-cover plate, the 24-steel wire coil, the smoke inlet of 25-the second dust pelletizing system, the exhanst gas outlet of 26-the second dust pelletizing system, the 27-top cover, the 28-sewage draining exit, 100-distills electric furnace.
The specific embodiment
Describe in detail according to high temperature fume dust removal device and method of the present invention with exemplary embodiment below with reference to accompanying drawings.
Fig. 1 is the schematic diagram of high temperature fume dust removal device according to an exemplary embodiment of the present invention.Fig. 2 is the schematic diagram that is connected of high temperature fume dust removal device and vacuum distillation plant (for example, titanium sponge distillation electric furnace is referred to as the distillation electric furnace) according to an exemplary embodiment of the present invention.As shown in Figure 1, the high temperature fume dust removal device of this exemplary embodiment comprises the first dust pelletizing system 10 and the second dust pelletizing system 20.
Described the first dust pelletizing system comprises: columniform the first cylindrical shell 11 with smoke inlet 12 and the exhanst gas outlet 13 of described the first cylindrical shell 11 internal communication, and centers on the cooling water member so that the first cylindrical shell 11 is lowered the temperature that the first cylindrical shell 11 arranges.Wherein, described cooling water member can comprise the water-cooling system shell 14 that is set on described the first cylindrical shell 11, and place in the seal cavity between described water-cooling system shell 14 and described the first cylindrical shell 11 and around the cooling coil 15 of described the first cylindrical shell 11, one end of described cooling coil 15 is communicated with the water inlet 16 that is arranged on described water-cooling system shell 14 upper ends, the general flange that adopts connects, the other end is communicated with the delivery port 17 that is arranged on described water-cooling system shell 14 lower ends, be easy cleaning, can be set to blind pipe by the described other end, be provided with a plurality of water spray apertures at described cooling coil 15 near a side of described the first cylindrical shells 11; In order to cooling water evenly is sprayed onto on described the first cylindrical shell 11; In addition, in order to make described cooling coil 15 more stable in the water spray process, can described cooling coil 15 be fixed on the internal face of described water-cooling system shell 14 by fixtures such as snap closes.
Preferably, described cooling coil 15 distributes in the shape of a spiral around described the first cylindrical shell 11, adopt spiral helicine cooling coil 15 can increase it around the effective length of described the first cylindrical shell 11, and can carry out comprehensively the high-temperature flue gas in the first cylindrical shell 11, cool off uniformly, make cooling effect better.But the person of ordinary skill in the field can understand, for realizing the cooling effect of 10 pairs of high-temperature flue gas of the first dust pelletizing system, cooling coil 15 is not limited to spiral helicine distribution mode, as long as cooling coil 15 can cool to it around described the first cylindrical shell 11.
For the time of staying of prolong smoke in the first dust pelletizing system 10, to obtain better cooling and dust removing effects, described the first dust pelletizing system can also comprise and being fixed in described the first cylindrical shell 11 with the prolong smoke dividing plate 18 of the time of staying in described the first dust pelletizing system 10, for easy cleaning, described dividing plate 18 is along the short transverse setting of described the first dust pelletizing system 10, and the bottom that the inner space of described the first dust pelletizing system 10 is divided into left part, right part and is positioned at described dividing plate 18 belows and left part and right part are communicated with; In addition, in order further to reduce velocity of flue gas, avoid too fast second dust pelletizing system 20 that enters of velocity of flue gas, hold back simultaneously a part of grit, a baffle plate 19 can also be set in described bottom, described baffle plate 5 is positioned at the below of described right part, and described baffle plate 19 and described dividing plate 18 are between 110 °～130 ° and described baffle plate 19 and the described dividing plate 18 and leave exhaust gases passes; Usually, described dividing plate 18 and baffle plate 19 are fixed in described the first cylindrical shell 11 with welding manner, can also other modes not be fixed on the first cylindrical shell 11 but do not get rid of, even described dividing plate 18 and baffle plate 19 can be made integral piece with described the first cylindrical shell 11; Be provided with in dividing plate 18 situations, described smoke inlet 12 and exhanst gas outlet 13 be arranged on the upper end of described the first cylindrical shell 11, can prolong the time of staying of high-temperature flue gas in the first cylindrical shell 11, be conducive to the sedimentation of grit in the cooling of flue gas and the flue gas.In the present embodiment, described baffle plate 19 is the steel plate of thickness 10～40mm with described dividing plate 18.
Described the second dust pelletizing system 20 comprises the second cylindrical shell 21, be arranged in described the second cylindrical shell 21 by matrix and be attached to the machine oil dedusting member that the machine oil of matrix surface consists of, and be arranged on the smoke inlet 25 of described matrix below and be arranged on the exhanst gas outlet 26 of described matrix top; The exhanst gas outlet 13 of described the first dust pelletizing system 10 passes through pipeline communication with the smoke inlet 25 of described the second dust pelletizing system 20; Wherein, smoke inlet 25 is used for passing into the second dust pelletizing system 20 through the flue gas after the 10 cooling dedustings of the first dust pelletizing system and carries out the dedusting second time, for the second time dedusting mainly adopts the larger oily substance of viscosity such as machine oil to carry out dedusting, namely reaches dust removing effects by the fine grit in the larger oily substance absorption flue gas of the viscosity such as machine oil; Described the second dust pelletizing system 20 can also comprise sieve plate 22, cover plate 23 and be arranged between described cover plate 23 and the sieve plate 22 and consist of as the steel wire coil 24 of matrix, wherein, described sieve plate 22 is arranged in described the second cylindrical shell 21 and between the smoke inlet 25 and described machine oil dedusting member of the second dust pelletizing system 20, cover plate 23 is arranged in described the second cylindrical shell 21 and between the exhanst gas outlet 26 of described machine oil dedusting member and the second dust pelletizing system 20, is provided with a plurality of apertures on described cover plate 23 and the described sieve plate 22; In the present embodiment, described sieve plate 22 and described cover plate 23 are the circular steel plate of thickness 10～20mm, and are provided with the circular hole of a plurality of 4～5mm at circular steel plate.
In order to be convenient for changing machine oil, can top cover 27 be set at described the second cylindrical shell 21 tops, like this, in dust removal process, can in time take out steel wire coil 24 by top cover 27 according to the dust situation of adsorbing on the machine oil.
During assembling, at first sieve plate 22 is installed in the bottom in the second cylindrical shell 21, for making things convenient for the installation and removal of sieve plate 22, can a plurality of positioning convex be installed in the bottom of the second cylindrical shell 21 internal faces, then the steel wire coil 24 after will soaking through the larger oily substance of the viscosity such as machine oil places on the sieve plate 22, then cover cover plate 23, in order to prevent in dust removal process, steel wire coil 24 is out of shape and impact absorption dust removing effects, usually the fixtures such as sieve plate 22 and cover plate 23 employing snap closes are fixed, at last, top cover 27 is installed in the top of described the second cylindrical shell 21 by fixtures such as bolts, from the joint gap between top cover 27 and the second cylindrical shell 21 to outward leakage, can between described the second cylindrical shell 21 and described top cover 27, do encapsulation process for further preventing flue gas.
High temperature fume dust removal device for above-mentioned exemplary embodiment can also be made following improvement:
In order to make things convenient for blowdown, described dust arrester also comprises the dust-exhausting port 110 that is arranged on described the first cylindrical shell 11 bottoms and the sewage draining exit 28 that is arranged on described the second cylinder body bottom, wherein, the bottom of the first cylindrical shell 11 of the first dust pelletizing system 10 is set to turbination, and the groove 111 that gathers dust is installed in the bottom at described the first cylindrical shell 11, so that the flue dust of removing in the collection flue gas is avoided flue dust directly to enter in the air and is polluted.
Described dust arrester can also comprise on a plurality of smoke inlets 12 that are separately positioned in described the first dust pelletizing system 10, on the exhanst gas outlet 13, on the delivery port 17, on the dust-exhausting port 110 and the control valve on the exhanst gas outlet 26 of described the second dust pelletizing system 20, be used for the flow of control flue gas and the flow of cooling water, for example, 17 places arrange the pressure sensitive valve at delivery port, to control the Coolant-Level in the seal cavity between described water-cooling system shell 14 and described the first cylindrical shell 11; It is for convenient maintenance that valve is set at exhanst gas outlet 26 places, certainly, in order to guarantee the vacuum of dust pelletizing system, also valve can be set at exhanst gas outlet 26 places.
Another aspect of the present invention provides a kind of dust collection method of high-temperature flue gas, and described dust collection method comprises the following steps of carrying out successively: flue gas is lowered the temperature and gravitational dust collection simultaneously; Flue gas is carried out the machine oil dedusting; Flue gas after the machine oil dedusting enters vacuum system, and the power of flue gas is provided by vacuum system.Described dust collection method can adopt above-mentioned dust arrester to process high-temperature flue gas.
According to one exemplary embodiment of the present invention, as shown in Figure 1 and Figure 2, in the anti-vacuum system use procedure of titanium sponge distillation electric furnace, before high-temperature flue gas enters the vavuum pump (not shown), adopt first the dedusting of carrying out of high temperature fume dust removal device according to an exemplary embodiment of the present invention, described dust collection method comprises:
(1) at first enters the first dust pelletizing system 10 (coiled water-cooling dust system) from distillation electric furnace 100 dust-laden high-temperature flue gas out, the cooling effect of the water of process cooling coil 15 ejections, and the effect of passing through dividing plate 18 and baffle plate 19, reduce flow velocity and the temperature of flue gas, and hold back the flue dust of a part.
(2) enter in the second cylindrical shell 21 through the smoke inlet 25 of the flue gas after 10 processing of the first dust pelletizing system from the second dust pelletizing system 20 (fine grit absorption dust pelletizing system) below, under the suction-operated of machine oil to flue dust that adheres on the steel wire coil 24, carry out the dedusting second time.
In dust removal process, can replenish timely the machine oil of changing on the steel wire coil according to the condition of production, and get rid of flue dust and discarded machine oil by outlet 110 and sewage draining exit 28.
The high temperature fume dust removal device of exemplary embodiment of the present is before carrying out machine oil absorption dedusting, namely enter before the second dust pelletizing system 20, first to the flue gas processing of lowering the temperature, avoid the machine oil carbonization that causes owing to excess Temperature, prolonged machine oil service life, the more important thing is, the flue gas after the dedusting enters vacuum system, avoided the infringement of carbonization grit to vavuum pump, the rate of breakdown of vacuum system is reduced greatly.In addition, in the first dust pelletizing system 10, by baffle plate 19 and dividing plate 18 are set, prolonged the time of staying of flue gas in the first dust pelletizing system 10, strengthened cooling effect, has simultaneously preferably dust removing effects, reduced the dedusting pressure of for the second time dedusting, make the dust removing effects of whole dust arrester better, and, flue dust directly falls into the groove 111 that gathers dust along the dividing plate 18 of the short transverse setting of the first dust arrester 10, and easily cleaning has further been strengthened dust removing effects at the baffle plate 19 that the bottom of the first dust arrester 10 arranges.Can find out, high temperature fume dust removal device of the present invention is applicable to the cooling dust removal process of distillation electric furnace flue gas in the titanium sponge production, and has obtained preferably dust removing effects, but the invention is not restricted to this, and the present invention is widely used in the dust removal process of various high-temperature flue gas.
In sum, high temperature fume dust removal device of the present invention has following advantage: (1) is simple in structure, applicable, is convenient to cleaning; (2) reduce flue-gas temperature, avoided the carbonization of dedusting machine oil; (3) has preferably dust removing effects.
Claims (10)
1. the dust arrester of a high-temperature flue gas is characterized in that, described dust arrester comprises the first dust pelletizing system and the second dust pelletizing system, wherein,
Described the first dust pelletizing system comprises: the first cylindrical shell, and the smoke inlet and the exhanst gas outlet that are communicated with described the first inner barrel, and around the first cylindrical shell setting, the cooling water member so that the first cylindrical shell is lowered the temperature;
Described the second dust pelletizing system comprises: the second cylindrical shell, be arranged in described the second cylindrical shell by matrix and be attached to the machine oil dedusting member that the machine oil of matrix surface consists of, and the smoke inlet and the exhanst gas outlet that is arranged on described matrix top that are arranged on described matrix below, the exhanst gas outlet of described the first dust pelletizing system is communicated with the smoke inlet of described the second dust pelletizing system.
2. dust arrester according to claim 1, it is characterized in that, described cooling water member comprises the water-cooling system shell that is set on described the first cylindrical shell, and place in the seal cavity between described water-cooling system shell and described the first cylindrical shell and around the cooling coil of described the first cylindrical shell, wherein, one end of described cooling coil is communicated with the water inlet that is arranged on described water-cooling system shell upper end, the other end is communicated with the delivery port that is arranged on described water-cooling system shell lower end, is provided with a plurality of water spray apertures at described cooling coil near a side of described the first cylindrical shell.
3. dust arrester according to claim 2 is characterized in that, described cooling coil is fixed on the described water-cooling system shell, and described cooling coil distributes in the shape of a spiral around described the first cylindrical shell.
4. dust arrester according to claim 1, it is characterized in that, described the second dust pelletizing system also comprises sieve plate, cover plate and is arranged between described cover plate and the sieve plate and as the steel wire coil of matrix, wherein, described sieve plate is arranged in described the second cylindrical shell and between the smoke inlet and described machine oil dedusting member of the second dust pelletizing system, described cover plate is arranged in described the second cylindrical shell and between the exhanst gas outlet of described machine oil dedusting member and the second dust pelletizing system, is provided with a plurality of apertures on described cover plate and the described sieve plate.
5. dust arrester according to claim 1, it is characterized in that, described the first dust pelletizing system also comprises and being fixed in described the first cylindrical shell with the prolong smoke dividing plate of the time of staying in described the first dust pelletizing system, described dividing plate is along the short transverse setting of described the first dust pelletizing system, and the bottom that the inner space of described the first dust pelletizing system is divided into left part, right part and is positioned at described dividing plate below and left part and right part are communicated with.
6. dust arrester according to claim 5, it is characterized in that, described the first dust pelletizing system also comprises the baffle plate that is fixed in the described bottom, described baffle plate is positioned at the below of described right part, and described baffle plate and described dividing plate are between 110 °～130 ° and described baffle plate and the described dividing plate and leave exhaust gases passes.
7. dust arrester according to claim 1 is characterized in that, described dust arrester also comprises the dust-exhausting port that is arranged on described the first cylinder body bottom and is arranged on the sewage draining exit of described the second cylinder body bottom.
8. dust arrester according to claim 7, it is characterized in that, described dust arrester also comprises on a plurality of smoke inlets that are separately positioned on described the first dust pelletizing system, on the exhanst gas outlet, on the delivery port, on the dust-exhausting port and the control valve on the exhanst gas outlet of described the second dust pelletizing system.
9. the dust collection method of a high-temperature flue gas is characterized in that, described dust collection method comprises the following steps of carrying out successively:
Flue gas is lowered the temperature and gravitational dust collection simultaneously;
Flue gas is carried out the machine oil dedusting;
Flue gas after the machine oil dedusting enters vacuum system, and the power of flue gas is provided by vacuum system.
10. the dust collection method of high-temperature flue gas according to claim 9 is characterized in that, each described dust arrester is processed high-temperature flue gas in the described dust collection method employing claim 1 to 8.
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| CN201210367412.XA CN102861495B (en) | 2012-09-28 | 2012-09-28 | Dust removal device and dust removal method for high-temperature flue gas |
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| CN201210367412.XA CN102861495B (en) | 2012-09-28 | 2012-09-28 | Dust removal device and dust removal method for high-temperature flue gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104307293A (en) * | 2014-11-07 | 2015-01-28 | 广西南宁华国环境科技有限公司 | Combined water-curtain dust-removing device |
| CN106621672A (en) * | 2017-01-17 | 2017-05-10 | 哈尔滨工业大学 | Magnetic controlled high-temperature gas segmented-coupling dedusting method |
| CN110180298A (en) * | 2019-05-14 | 2019-08-30 | 淄博棠鸣机电科技有限公司 | A kind of exhaust processor with cooling function |
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| CN201439045U (en) * | 2009-10-30 | 2010-04-21 | 朝阳百盛锆钛股份有限公司 | Vacuum pipeline dust filtering device in production of sponge titanium |
| CN102287841A (en) * | 2011-06-26 | 2011-12-21 | 华北电力大学（保定） | Method for smoke discharge, condensation and dust removal of supercharged oxygen-enriched coal-fired boiler |
| CN102423596A (en) * | 2011-09-06 | 2012-04-25 | 单文奎 | High-temperature dust remover |
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| CN201439045U (en) * | 2009-10-30 | 2010-04-21 | 朝阳百盛锆钛股份有限公司 | Vacuum pipeline dust filtering device in production of sponge titanium |
| CN102287841A (en) * | 2011-06-26 | 2011-12-21 | 华北电力大学（保定） | Method for smoke discharge, condensation and dust removal of supercharged oxygen-enriched coal-fired boiler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104307293A (en) * | 2014-11-07 | 2015-01-28 | 广西南宁华国环境科技有限公司 | Combined water-curtain dust-removing device |
| CN106621672A (en) * | 2017-01-17 | 2017-05-10 | 哈尔滨工业大学 | Magnetic controlled high-temperature gas segmented-coupling dedusting method |
| CN106621672B (en) * | 2017-01-17 | 2018-12-11 | 哈尔滨工业大学 | A kind of magnetic control high-temperature gas segmented couples dust removal method |
| CN110180298A (en) * | 2019-05-14 | 2019-08-30 | 淄博棠鸣机电科技有限公司 | A kind of exhaust processor with cooling function |
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| CN102861495B (en) | 2014-12-24 |
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