CN104624000A - Black iron oxide powder layer recovery device - Google Patents
Black iron oxide powder layer recovery device Download PDFInfo
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- CN104624000A CN104624000A CN201310543445.XA CN201310543445A CN104624000A CN 104624000 A CN104624000 A CN 104624000A CN 201310543445 A CN201310543445 A CN 201310543445A CN 104624000 A CN104624000 A CN 104624000A
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- collecting tank
- swash plate
- liquid level
- iron oxide
- level sensor
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Abstract
The invention relates to a black iron oxide powder layer recovery device. The device is composed of a gas collecting cover, a draught fan, an air inlet, a collecting tank, a liquid discharge port, support rings, a perforated plate, a liquid level sensor, a spray head, a pneumatic control valve and an inclined plate pile. The gas collecting cover is connected with the air inlet through draught fan; the collecting tank has an upper cylindrical shape and lower conical structure, and the air inlet is above the conical structure; support rings are arranged on the middle part of the inner wall of the collecting tank for supporting the perforated plate; the perforated plate is provided with the inclined plate pile; the liquid level sensor is positioned below the supporting rings, and connected with the pneumatic control valve; and the spray head is arranged above the collecting tank, and controlled by the pneumatic control valve. First, water is introduced to the height of the liquid level sensor, the draught fan is started, dust laden gas enters into the water in the collecting tank, iron oxide red dust is dispersed into water, purified gas moves upwards through the perforated plate and the inclined plate pile and enters into the air; when the liquid level is below the height of the liquid level sensor, the pneumatic control valve is started; and solid-liquid mixture in the collecting tank is released from the liquid outlet and returns to the process.
Description
Technical field
The present invention relates to the retracting device of dust in a kind of power production, be specifically related to a kind of iron oxide black device for recovering powder.
Background technology
Iron oxide is a kind of important inorganic chemistry pigment, is widely used in coating, the fields such as building and traffic.At present, the production method of iron oxide pigment is mainly wet method, and molysite is obtained by reacting slurry in the basic conditions, packs after drying after filtration.At packaging unit, can produce certain dust and blow out, particularly when iron oxide black particle diameter is less, dust pollution is comparatively serious, affects ambient air quality.Industrial dedusting adopts the method for electrostatic separation usually, and energy consumption is higher, and equipment is comparatively large, is common in power plant desulfurization dust arrester; In addition, cyclonic separation and bag-type dust are also applied to being separated of particle in gas.Patent " device for recovering powder " (ZL 02234709) discloses a kind of device for recovering powder of cyclone type, primarily of concentrator bowl and air exhauster composition; Patent " high efficiency wet dusting fan " (ZL 90010069) reports a kind of high efficiency wet dusting fan, is mainly used in the special equipment doing purification of air dedusting in workplace, is difficult to reclaim iron oxide pigment dust.Take a broad view of current various fuel gas and dust isolation technics, its separation accuracy is not high or service life is shorter, has become the difficult problem that industrial dust reclaims and purifies.Particularly produce for black iron oxide pigment, there is no efficient separating and reclaiming device at present.Therefore, for the problem of the black dust emission produced in black iron oxide pigment production process, be necessary small-sized the absorbing containing dusty gas of appropriate design, purifier, thus reach to purify air and reclaim the object of black iron oxide pigment simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of retracting device of iron oxide black dust, the object removed with the dust realized in production process of ferric oxide black, purifies air, and reduces the dust pollution that iron oxide black is produced.
Technical scheme of the present invention: a kind of iron oxide black device for recovering powder, is piled by wind-collecting cover, blower fan, air inlet, collecting tank, leakage fluid dram, support ring, porous plate, liquid level sensor, spray head, pneumatic control valve and swash plate and forms; Wherein collecting tank is tube structure, and top is cylindric, and bottom is pyramidal structure, and air inlet is positioned at the junction of cylinder outside collecting tank and taper; Wind-collecting cover is arranged on above iron black powder bagging area, is aspirated the air inlet be connected on collecting tank by blower fan; In the middle part of the cylinder inner wall of collecting tank, support ring is installed, support ring is placed with porous plate, porous plate is provided with one group of swash plate heap; Below support ring, liquid level sensor is installed, is connected with pneumatic control valve; Above collecting tank, spray head is housed, controls opening and closing by pneumatic control valve.
Preferred described swash plate heap origin inflection flow pattern swash plate composition, baffling number of times is 2-6.
The swash plate that described swash plate heap is iron and steel or plastics by material forms, and the spacing between swash plate is 4-15mm, and swash plate fills whole collecting tank.
Described liquid level sensor is installed on the 1/2-2/3 in collecting tank cylinder heights direction.
Described porous plate plays a supportive role, and its hole area is 0.5-200 cm2, and the hole number on every square metre of porous plate is 30-3000; Thickness is preferably 0.5-5cm; Material is not limit, the materials such as available stainless steel, plastics or pottery.
First inside collecting tank, pass into water from spray head, water level is to liquid level sensor height, pneumatic fan, control air quantity is 100-10000m3/h, dividing potential drop is 10-50kpa, enter in collecting tank water containing dusty gas, iron oxide black dust is dispersed in water, the gas of purification upwards enters air through porous plate and swash plate heap, ascending air is by many journeys deflection plate, can retain further on the one hand and reclaim the dust granules that ascending air may carry secretly, on the other hand can the steam that rises of condensation portion, avoid the too fast volatilization of the moisture in collecting tank, improve dust recovery rate, reduce operating cost, when liquid level is lower than liquid level sensor height, pneumatic control valve is opened, and spray head, to supplementing water in collecting tank, sprays into by above swash plate, and spray head internal water pressure controls at 0.05-0.3MPa, rinses swash plate, when in collecting tank, powder content reaches 100-400g/L.Solidliquid mixture in collecting tank is released from leakage fluid dram, is back in technique and obtains product through filtration and oven dry.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention, wherein 1, spray head, 2, pneumatic control valve, 3, swash plate heap, 4, porous plate, 5, support ring, 6, air inlet, 7, liquid level sensor, 8, collecting tank, 9, leakage fluid dram, 10, wind-collecting cover, 11, blower fan.
Detailed description of the invention
Embodiment 1:
Structural representation of the present invention is as Fig. 1: a kind of iron oxide black device for recovering powder, is piled form by wind-collecting cover, blower fan, air inlet, collecting tank, leakage fluid dram, support ring, porous plate, liquid level sensor, spray head, pneumatic control valve and swash plate; Wherein collecting tank is tube structure, and top is cylindric, and bottom is pyramidal structure, and air inlet is positioned at the junction of cylinder outside collecting tank and taper; Wind-collecting cover is arranged on above iron black powder bagging area, is aspirated the air inlet be connected on collecting tank by blower fan; In the middle part of the cylinder inner wall of collecting tank, support ring is installed, support ring is placed with porous plate, porous plate is provided with one group of swash plate heap; Below support ring, liquid level sensor is installed, is connected with pneumatic control valve; Above collecting tank, spray head is housed, controls opening and closing by pneumatic control valve.
Embodiment 2:
The structure of the present embodiment device is with embodiment 1, and wherein swash plate heap origin inflection flow pattern swash plate forms, and baffling number of times is 2, and swash plate material is 304 stainless steels, and the spacing between swash plate is 4mm, and swash plate fills whole collecting tank; Liquid level sensor is installed on 1/2 place in collecting tank cylinder heights direction; Porous plate is 304 stainless steel materials, and single hole area is 0.5cm2, and every square metre of hole count is 3000, and thickness is 0.5cm.
First inside collecting tank, pass into water from spray head, water level is to liquid level sensor height, pneumatic fan, control air quantity is 100m3/h, dividing potential drop is 10kpa, enter in collecting tank water containing dusty gas, iron oxide black dust is dispersed in water, the gas of purification upwards enters air through porous plate and swash plate heap, ascending air is by many journeys deflection plate, can retain further on the one hand and reclaim the dust granules that ascending air may carry secretly, on the other hand can the steam that rises of condensation portion, avoid the too fast volatilization of the moisture in collecting tank, improve dust recovery rate, reduce operating cost, when liquid level is lower than liquid level sensor height, pneumatic control valve is opened, and spray head, to supplementing water in collecting tank, sprays into by above swash plate, and spray head internal water pressure controls at 0.05MPa, rinses swash plate, after device normally runs 15 days continuously, when in collecting tank, powder content reaches 100g/L.Solidliquid mixture in collecting tank is released from leakage fluid dram, is back in technique and obtains product through filtration and oven dry.By the operation of device, dust 99.8% is trapped recovery, stops the impact of dust on air.
Embodiment 3:
The structure of the present embodiment device is with embodiment 1, and wherein swash plate heap origin inflection flow pattern swash plate forms, and baffling number of times is 6, and swash plate material is polypropylene plastics, and the spacing between swash plate is 15mm, and swash plate fills whole collecting tank; Liquid level sensor is installed on 2/3 place in collecting tank cylinder heights direction; Porous plate is ceramic material, and single hole area is 200cm2, and every square metre of hole count is 30, and thickness is 5cm.
First inside collecting tank, pass into water from spray head, water level is to liquid level sensor height, pneumatic fan, control air quantity is 10000m3/h, dividing potential drop is 50kpa, enter in collecting tank water containing dusty gas, iron oxide black dust is dispersed in water, the gas of purification upwards enters air through porous plate and swash plate heap, ascending air is by many journeys deflection plate, can retain further on the one hand and reclaim the dust granules that ascending air may carry secretly, on the other hand can the steam that rises of condensation portion, avoid the too fast volatilization of the moisture in collecting tank, improve dust recovery rate, reduce operating cost, when liquid level is lower than liquid level sensor height, pneumatic control valve is opened, and spray head, to supplementing water in collecting tank, sprays into by above swash plate, and spray head internal water pressure controls at 0.3MPa, rinses swash plate, after device normally runs 35 days continuously, when in collecting tank, powder content reaches 400g/L.Solidliquid mixture in collecting tank is released from leakage fluid dram, is back in technique and obtains product through filtration and oven dry.By the operation of device, dust 99.9% is trapped recovery, stops the impact of dust on air.
Embodiment 4:
The structure of the present embodiment device is with embodiment 1, and wherein swash plate heap origin inflection flow pattern swash plate forms, and baffling number of times is 4, and swash plate material is vinyon, and the spacing between swash plate is 8mm, and swash plate fills whole collecting tank; Liquid level sensor is installed on 7/12 place in collecting tank cylinder heights direction; Porous plate is vinyon, and single hole area is 50cm2, and every square metre of hole count is 100, and thickness is 3cm.
Iron oxide black dust recovery process is, first inside collecting tank, pass into water from spray head, water level is to liquid level sensor height, pneumatic fan, control air quantity is 1000m3/h, dividing potential drop is 35kpa, enter in collecting tank water containing dusty gas, iron oxide black dust is dispersed in water, the gas of purification upwards enters air through porous plate and swash plate heap, ascending air is by many journeys deflection plate, can retain further on the one hand and reclaim the dust granules that ascending air may carry secretly, on the other hand can the steam that rises of condensation portion, avoid the too fast volatilization of the moisture in collecting tank, improve dust recovery rate, reduce operating cost, when liquid level is lower than liquid level sensor height, pneumatic control valve is opened, and spray head, to supplementing water in collecting tank, sprays into by above swash plate, and spray head internal water pressure controls at 0.15MPa, rinses swash plate, after device normally runs 25 days continuously, when in collecting tank, powder content reaches 300g/L.Solidliquid mixture in collecting tank is released from leakage fluid dram, is back in technique and obtains product through filtration and oven dry.By the operation of device, dust 99.8% is trapped recovery, stops the impact of dust on air.
Claims (4)
1. an iron oxide black device for recovering powder, piles (3) by wind-collecting cover (10), blower fan (11), air inlet (6), collecting tank (8), leakage fluid dram (9), support ring (5), porous plate (4), liquid level sensor (7), spray head (1), pneumatic control valve (2) and swash plate and forms; Wherein collecting tank (8) is tube structure, and top is cylindric, and bottom is pyramidal structure, and air inlet (6) is positioned at the cylinder in collecting tank (8) outside and the junction of taper; Wind-collecting cover (10) is arranged on above iron black powder bagging area, is aspirated the air inlet be connected on collecting tank (8) by blower fan (11); Support ring (5) is installed in the middle part of the cylinder inner wall of collecting tank (8), support ring (5) is placed with porous plate (4), porous plate (4) is provided with one group of swash plate heap (3); Support ring (5) below is provided with liquid level sensor (7), is connected with pneumatic control valve (2); Spray head (1) is equipped with in collecting tank (8) top, controls opening and closing by pneumatic control valve (2).
2. iron oxide black device for recovering powder according to claim 1, it is characterized in that described swash plate heap origin inflection flow pattern swash plate composition, baffling number of times is 2-6.
3. iron oxide black device for recovering powder according to claim 1, it is characterized in that the swash plate that described swash plate heap is iron and steel or plastics by material forms, the spacing between swash plate is 4-15mm.
4. iron oxide black device for recovering powder according to claim 1, is characterized in that described liquid level sensor is installed on the 1/2-2/3 place in collecting tank cylinder heights direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543445.XA CN104624000A (en) | 2013-11-06 | 2013-11-06 | Black iron oxide powder layer recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543445.XA CN104624000A (en) | 2013-11-06 | 2013-11-06 | Black iron oxide powder layer recovery device |
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| CN104624000A true CN104624000A (en) | 2015-05-20 |
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| CN201310543445.XA Pending CN104624000A (en) | 2013-11-06 | 2013-11-06 | Black iron oxide powder layer recovery device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032099A (en) * | 2015-08-25 | 2015-11-11 | 中冶节能环保有限责任公司 | Mist spray sedimentation purification chamber |
| CN111420508A (en) * | 2020-06-04 | 2020-07-17 | 遵宝钛业有限公司 | Collection device of chlorination furnace production petroleum coke dust |
| CN114054458A (en) * | 2021-10-27 | 2022-02-18 | 江苏宇星科技有限公司 | Iron oxide dust recovery device |
| CN114712943A (en) * | 2022-04-13 | 2022-07-08 | 铜陵瑞莱科技有限公司 | Purification device for tail gas containing solid particle materials for iron oxide |
-
2013
- 2013-11-06 CN CN201310543445.XA patent/CN104624000A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032099A (en) * | 2015-08-25 | 2015-11-11 | 中冶节能环保有限责任公司 | Mist spray sedimentation purification chamber |
| CN111420508A (en) * | 2020-06-04 | 2020-07-17 | 遵宝钛业有限公司 | Collection device of chlorination furnace production petroleum coke dust |
| CN114054458A (en) * | 2021-10-27 | 2022-02-18 | 江苏宇星科技有限公司 | Iron oxide dust recovery device |
| CN114712943A (en) * | 2022-04-13 | 2022-07-08 | 铜陵瑞莱科技有限公司 | Purification device for tail gas containing solid particle materials for iron oxide |
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Application publication date: 20150520 |
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| WD01 | Invention patent application deemed withdrawn after publication |