CN206438020U - A kind of system that sludge drying is carried out using aluminium section bar plant waste gas residual heat - Google Patents
A kind of system that sludge drying is carried out using aluminium section bar plant waste gas residual heat Download PDFInfo
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- CN206438020U CN206438020U CN201720076935.7U CN201720076935U CN206438020U CN 206438020 U CN206438020 U CN 206438020U CN 201720076935 U CN201720076935 U CN 201720076935U CN 206438020 U CN206438020 U CN 206438020U
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Abstract
A kind of system that sludge drying is carried out using aluminium section bar plant waste gas residual heat, including：Sludge surge bunker for storing sludge；For the sludge dispersing device for breaing up the sludge for sludge surge bunker；The dryer of sludge outlet after dissipating is taken, dryer connects aluminium section bar plant exhaust emission system simultaneously；Connect the dust collecting system of dryer outlet；Receive the air-introduced machine of dirt system off gas outlet, sludge enters sludge surge bunker, system is broken up into sludge drying system by sludge again, waste gas from aluminium section bar production line also enters sludge drying system simultaneously, sludge and waste gas fully carry out heat exchange in drying system, moisture is taken out of by waste gas, sludge is oven-dried, dewatered sludge is discharged by drying system, waste gas is discharged into air after being handled through waste gas cleaning system, moisture percentage in sewage sludge is less than 5% after the utility model drying, utilize aluminium section bar plant itself waste gas residual heat, without external heat source, operating cost is low, greatly reduce enterprise's Treatment of Sludge expense, with fabulous social value.
Description
Technical field
The utility model belongs to aluminium section bar production technical field, more particularly to a kind of to be carried out using aluminium section bar plant waste gas residual heat
The system of sludge drying.
Background technology
It must be surface-treated in aluminium section bar production process, improve the corrosion-resistant of aluminium section bar, wearability etc..Aluminium section bar
Factory's sludge is that lead Surface of profile gives up by the substantial amounts of milky colloid of the decontamination process such as alkali cleaning, pickling and anodic oxidation generation
Liquid, particle is thin and disperses.This waste liquid obtains substantial amounts of solid sludges by processing, the main component of this material for AlOOH and
Unformed ammoxidation lead and Fe3+、Sn4+, N production etc. impurity, its water content is up to 70%.
And only 2014 national aluminium section bar yield is just up to 4845.52 ten thousand tons according to statistics, general section bar per ton can be produced
0.05 ton of sludge, then the annual sludge that there are about 242.26 ten thousand tons is produced.It is expected that this numeral can also be with domestic construction market
Development continue to increase, therefore waste residue high number, if do not stacked arbitrarily to its timely processing, a large amount of soil is not only taken up
Ground, causes the secondary pollution of environment, and causes many useful chemical compositions to be lost in and waste, and current national policy is energetically in addition
Green manufacturing is advocated, the requirement simultaneously for the environment protection treating of all industries is more and more tighter.So reasonably recycling this portion
Divide solid waste, turn waste into wealth, it is essential, with important environmental protection and economic implications.
The processing mode of main flow is still and based on chelating landfill, not analyzed and not processed using technological means, it is impossible to realize now
Minimizing, innoxious, recycling principle.Buried underground will not produce harm in short term after sludge chelation treatment, but with
The metal object in time passage chelating sludge can pollute soil and groundwater, cause secondary environmental pollution.
Aluminium section bar enterprise main production is founding, extruding, oxidation, electrophoresis and spraying, wherein casting furnace, aluminium bar heating
Stove, aging furnace are thermal energy consumption equipment, but these equipment, due to working characteristics, the thermal efficiency is very low, and exhaust gas temperature is higher,
General reachable 380~470 DEG C, waste heat is not utilized effectively.
The content of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of useless using aluminium section bar plant
The system that gas waste heat carries out sludge drying, with reduced investment, operating cost it is low, easy to operate, maximize decrement sludge the characteristics of.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of system that sludge drying is carried out using aluminium section bar plant waste gas residual heat, including：
Sludge surge bunker 1 for storing sludge；
For the sludge dispersing device 4 for breaing up the sludge for sludge surge bunker 1；
The dryer 5 of sludge outlet after dissipating is taken, dryer 5 connects aluminium section bar plant exhaust emission system simultaneously；
Connect the dust collecting system 6 of the outlet of dryer 5；
Connect the air-introduced machine 8 of the waste gas outlet of dust collecting system 6.
Pressure device for discharging 2 is provided with the sludge surge bunker 1.
The sludge outlet of sludge surge bunker 1 is provided with metering device 3, and sludge is measured, and sludge is entered after metering
Dispersing device 4.
The aluminium section bar plant exhaust emission system includes：
Casting furnace exhaust emission system with flow control valve 3 12；And/or
Aging furnace exhaust emission system with flow control valve 2 11；And/or
Furnace exhaust exhaust system with flow control valve 1.
Cold blast sliding valve 9 is provided between the aluminium section bar plant exhaust emission system and dryer 5.
The dust collecting system 6 is：
Cyclone cylinder；And/or
Bag collector；And/or
Cottrell.
The waste gas outlet of the dust collecting system 6 connects waste gas cleaning system 7, and the outlet of waste gas cleaning system 7 connects air-introduced machine 8.
The sludge is the sludge that produces in industry-by-industry production process, and the utility model sludge comes from aluminium section bar plant,
Sludge is aqueous more than 70% after mechanical dehydration.
The air cleaning system need to be according to atmosphere pollution newly-generated in atmosphere pollution in former flue gas and drying course
Thing is determined；If producing new atmosphere pollution in the middle part of drying course, waste gas can utilize original system air cleaning system.
Compared with prior art, the beneficial effects of the utility model are：
1) technical process is simple, and reduced investment, floor space is small.
2) operation energy consumption is low.
3) it is easy to operate.
4) sludge can further recycling after handling.
To sum up, moisture percentage in sewage sludge ＜ 5% after the utility model drying, mud decrement more than 70%, simple flow, control letter
It is single, invest small, operation energy consumption is small, drying sludge can further recycling, with good social value.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the structural representation of the utility model embodiment two.
Fig. 3 is the structural representation of the utility model embodiment three.
Embodiment
Describe embodiment of the present utility model in detail with reference to the accompanying drawings and examples.
Embodiment one
As shown in figure 1, sludge delivers to sludge surge bunker 1, sludge surge bunker 1 through induction system or portable scraper equipment
To induction system and the unmatched adjustment effect of rear end drying system ability.Set in sludge surge bunker 1 and force device for discharging 2,
It plays a part of material continuous uniform blanking.The lower end of sludge surge bunker 1 sets metering device 3 to measure sludge quantity.Meter
Sludge after amount enters sludge dispersing device 4, and 1500 μm of the sludge particle diameter ＜ after breaing up breaks up rear sludge into dryer 5.Come
From casting furnace, aging furnace, furnace exhaust through flow control valve 3 12, with flow control valve 2 11, flow control valve 1
And cold blast sliding valve 9, adjust wind-warm syndrome after air distribution and control at 150~400 DEG C, into dryer 5, waste gas flowing is negative-pressure operation, and it is moved
Power comes from air-introduced machine 8.In dryer 5, sludge and waste gas carry out moisture in sufficient heat exchange, sludge and enter waste gas, sludge
It is oven-dried.Subsequent sludge takes dryer 5 out of by waste gas, and into dust collecting system 6, dust collecting system 6 is bag collector, in bag collector
Interior dewatered sludge is collected, and as drying finished product, waste gas enters waste gas cleaning system 7.Waste gas takes off in waste gas cleaning system 7
Atmosphere pollution is removed, discharging standards are reached, air is put into through air-introduced machine 8.
Embodiment two
As shown in Fig. 2 sludge delivers to sludge surge bunker 1, sludge surge bunker 1 through induction system or portable scraper equipment
To induction system and the unmatched adjustment effect of rear end drying system ability.Set in sludge surge bunker 1 and force device for discharging 2,
It plays a part of material continuous uniform blanking.The hypomere of sludge surge bunker 1 sets metering device 3 to measure sludge quantity.Meter
Sludge after amount enters sludge dispersing device 4, and 1500 μm of the sludge particle diameter ＜ after breaing up breaks up rear sludge into dryer 5.Come
From casting furnace, timeliness furnace exhaust through flow control valve 3 12, with flow control valve 2 11 and cold blast sliding valve 9, wind after air distribution is adjusted
Temperature control system is at 150~400 DEG C, into dryer 5, and waste gas flowing is negative-pressure operation, and its power comes from air-introduced machine 8.In dryer 5
Interior, sludge and waste gas carry out moisture in sufficient heat exchange, sludge and enter waste gas, and sludge is oven-dried.Subsequent sludge is by waste gas band
Go out dryer 5, into dust collecting system 6 is entered, dust collecting system 6 is rotoclone collector under dewatered sludge is collected in rotoclone collector
Come, as drying finished product, waste gas enters waste gas cleaning system 7.Atmosphere pollution is fallen in waste gas removing in waste gas cleaning system 7,
Discharging standards are reached, air is put into through air-introduced machine 8.
Embodiment three
As shown in figure 3, sludge delivers to sludge surge bunker 1, sludge surge bunker 1 through induction system or portable scraper equipment
To induction system and the unmatched adjustment effect of rear end drying system ability.Set in sludge surge bunker 1 and force device for discharging 2,
It plays a part of material continuous uniform blanking.The hypomere of sludge surge bunker 1 sets metering device 3 to measure sludge quantity.Meter
Sludge after amount enters sludge dispersing device 4, and 1500 μm of the sludge particle diameter ＜ after breaing up breaks up rear sludge into dryer 5.Come
From after the adjusted flow valve 3 12 of casting furnace and cold blast sliding valve 9, regulation air distribution, wind-warm syndrome control is at 150~400 DEG C, into dryer 5,
Waste gas flowing is negative-pressure operation, and its power comes from air-introduced machine 9.In dryer 5, sludge and waste gas carry out sufficient heat exchange,
Moisture enters waste gas in sludge, and sludge is oven-dried.Subsequent sludge takes dryer 5 out of by waste gas, into waste gas cleaning system 7,
Dewatered sludge is collected in waste gas cleaning system 7, as drying finished product, and waste gas enters existing waste gas purification system through air-introduced machine 8
System, it is purified it is up to standard after, air is discharged into by existing induced draught system.
Claims (9)
1. a kind of system that sludge drying is carried out using aluminium section bar plant waste gas residual heat, it is characterised in that including：
Sludge surge bunker (1) for storing sludge；
For the sludge dispersing device (4) for breaing up the sludge for sludge surge bunker (1)；
The dryer (5) of sludge outlet after dissipating, dryer (5) are taken while connecting aluminium section bar plant exhaust emission system；
Connect the dust collecting system (6) of dryer (5) outlet；
Connect the air-introduced machine (8) of dust collecting system (6) waste gas outlet.
2. the system of sludge drying is carried out using aluminium section bar plant waste gas residual heat according to claim 1, it is characterised in that described
Pressure device for discharging (2) is provided with sludge surge bunker (1).
3. the system of sludge drying is carried out using aluminium section bar plant waste gas residual heat according to claim 1, it is characterised in that described
Sludge surge bunker (1) sludge outlet is provided with metering device (3), and sludge is measured, and sludge dispersing device is entered after metering
(4)。
4. the system of sludge drying is carried out using aluminium section bar plant waste gas residual heat according to claim 1, it is characterised in that described
Aluminium section bar plant exhaust emission system includes：
Casting furnace exhaust emission system with flow control valve three (12)；And/or
Aging furnace exhaust emission system with flow control valve two (11)；And/or
Furnace exhaust exhaust system with flow control valve one (10).
5. the system of sludge drying is carried out using aluminium section bar plant waste gas residual heat according to claim 1 or 4, it is characterised in that
Cold blast sliding valve (9) is provided between the aluminium section bar plant exhaust emission system and dryer (5).
6. the system of sludge drying is carried out using aluminium section bar plant waste gas residual heat according to claim 1, it is characterised in that described
Dust collecting system (6) is：
Cyclone cylinder；And/or
Bag collector；And/or
Cottrell.
7. the system of sludge drying is carried out using aluminium section bar plant waste gas residual heat according to claim 1, it is characterised in that described
The waste gas outlet of dust collecting system (6) connects waste gas cleaning system (7), and the outlet of waste gas cleaning system (7) connects air-introduced machine (8).
8. the system of sludge drying is carried out using aluminium section bar plant waste gas residual heat according to claim 1, it is characterised in that described
Sludge is the sludge that produces during industry production.
9. the system of sludge drying is carried out using aluminium section bar plant waste gas residual heat according to claim 1, it is characterised in that described
Sludge comes from aluminium section bar plant.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720076935.7U CN206438020U (en) | 2017-01-19 | 2017-01-19 | A kind of system that sludge drying is carried out using aluminium section bar plant waste gas residual heat |
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| CN201720076935.7U CN206438020U (en) | 2017-01-19 | 2017-01-19 | A kind of system that sludge drying is carried out using aluminium section bar plant waste gas residual heat |
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| CN206438020U true CN206438020U (en) | 2017-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885172A (en) * | 2019-11-21 | 2020-03-17 | 北京中科领向环保研究院有限公司 | Method and system for recycling aluminum profile sludge |
-
2017
- 2017-01-19 CN CN201720076935.7U patent/CN206438020U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885172A (en) * | 2019-11-21 | 2020-03-17 | 北京中科领向环保研究院有限公司 | Method and system for recycling aluminum profile sludge |
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