CN103588379A - Vertical sludge dryer - Google Patents
Vertical sludge dryer Download PDFInfo
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- CN103588379A CN103588379A CN201310596880.9A CN201310596880A CN103588379A CN 103588379 A CN103588379 A CN 103588379A CN 201310596880 A CN201310596880 A CN 201310596880A CN 103588379 A CN103588379 A CN 103588379A
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- tower body
- vertical sludge
- pivot arm
- pipeline
- moisture eliminator
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Abstract
The invention discloses a vertical sludge dryer. The vertical sludge dryer comprises a sealing cap, a tower body, a fixed hot tray, a steam main pipe, a draught fan, a driving device, a rotary arm and a heat recovery boiler, and further comprises a cyclone separator, a plasma dust remover and an activated carbon absorber which are connected sequentially. The vertical sludge dryer is characterized in that the driving device is arranged at the bottom of the tower body and connected with a spindle through a coupler; the rotary arm is mounted on the spindle; a half arm of the rotary arm is fan-shaped; symmetric pull rods are arranged on the rotary arm; the fixed hot tray is semicircular, and communicated with the steam main pipe through a pipe; a conical distributor is arranged at the upper part of the tower body. The vertical sludge dryer is provided with the device for efficiently recovering heat energy, processing waste gases and deodorizing with high automation degree, and utilizes the waste heat to indirectly heat, thereby improving the energy utilization rate, further reducing the moisture content of the sludge and effectively avoiding secondary pollution of the waste gases.
Description
Technical field
The present invention relates to a kind of vertical sludge moisture eliminator, belong to environmental protection technical field of sludge treatment.
Background technology
Along with the quantity discharged of urban industry waste water and sanitary sewage is increasing, treatment rate of domestic sewage also improves year by year, and the sludge yield of municipal sewage plant also sharply increases.A large amount of excess sludges will discharge in sewage work, and the mud of enormous amount need to be done further processing, if mud can not get reasonable processing, will cause secondary pollution.In whole construction costs of the processing disposal costs compare Gao， sewage work of sewage sludge, for the treatment of mud, account for 20%～50%.The composition of sewage sludge is very complicated, except containing a large amount of moisture, also containing a large amount of useful resources.For urban sludge treating method, have at present multiplely, generally have landfill, burning and comprehensive utilization, but before recycling, need carry out pre-treatment to mud, nurse one's health, comprise concentrated, dehydration, dry.Mud after mummification, can apply to land reclamation, building materials utilization etc.How to reduce the water ratio of mud, this is the vital task of sludge treatment, in drying process, also should avoid problem of secondary pollution.
Summary of the invention
The object of the present invention is to provide a kind of vertical sludge moisture eliminator, have high efficient heat recovery and off gas treatment and deodorization device, level of automation is high, utilize waste heat indirect heating, improve energy utilization rate, can further reduce moisture percentage in sewage sludge, the feature of effectively avoiding secondary exhaust emission to produce.
Object of the present invention is achieved through the following technical solutions: a kind of vertical sludge moisture eliminator, comprise: capping, tower body, stationary heat dish, main steam header, blower fan, drive unit, pivot arm, waste heat boiler, and the cyclonic separator, plasma fly-ash separator and the active carbon adsorber that connect successively; It is characterized in that: described drive unit is arranged on the bottom of tower body, drive unit is connected with main shaft by shaft coupling, and on main shaft, pivot arm is installed, and half arm of pivot arm is fan-shaped, and on pivot arm, is provided with symmetrical pull bar; Described stationary heat dish is semi-circular, and stationary heat dish is communicated with main steam header by pipeline; Described tower body top is provided with conical distributor.Drive unit provides dynamic rotation by main shaft for pivot arm, and pull bar strengthens pivot arm moment of torsion, improves the stability of pivot arm work, and stationary heat dish is by surface heat transmission, heating mud.
The below of described pivot arm is provided with the scraper being parallel to each other.Parallel scraper is conducive to mud on stationary heat dish to be uniformly distributed, and the mud that will be heated is pushed next stationary heat dish to.
The top of described capping is provided with wet mud import, and is provided with feeding air locking-valve between capping and wet mud import.Feeding air locking-valve prevents the gas overflowing of tower body.
Described blower and pipeline is connected with the recircilated air intake of tower body bottom sides.Recirculated air enters tower body, and the water vapour evaporating in tower body is taken out of.
The top of described capping is provided with recirculated air outlet, and recirculated air outlet is connected with cyclonic separator by pipeline.In tower body, the water vapour of evaporation is discharged from recirculated air outlet, enters flare system, enters successively cyclonic separator, plasma fly-ash separator and active carbon adsorber, prevents atmospheric pollution.
Further, the vapour outlet of described waste heat boiler is connected with the steam-in of main steam header lower end by pipeline, and the steam return port of waste heat boiler is connected with the vapour outlet of main steam header upper end by pipeline.Waste heat boiler utilizes waste heat to lead to heat exchange, and steam provides thermal source for stationary heat dish.
In sum, the invention has the beneficial effects as follows: utilize waste heat boiler thermal source indirect heating, there is high efficient heat recovery, can reduce rapidly moisture percentage in sewage sludge; Is furnished with temperature sensing, moisture eliminator automatic operating; And be furnished with air circulation system, take away rapidly the moisture of mud evaporation; The present invention adopts totally-enclosed system, is provided with off gas treatment and deodorizing system, has reduced the secondary pollution of mud, and after mummification, mud can arrive the requirement of recycling.
Accompanying drawing explanation
Fig. 1 structural representation of the present invention;
Fig. 2 stationary heat dish of the present invention schematic diagram;
Fig. 3 pivot arm schematic diagram of the present invention.
The title of mark in accompanying drawing: 1-wet mud import; 2-capping; 3-tower body; 4-stationary heat dish; 5-main steam header; 6-steam-in; 7-recircilated air intake; 8-blower fan; 9-drive unit; 10-shaft coupling; 11-main shaft; 12-discharge port; 13-discharging air locking-valve; 14-access hole; 15-pivot arm; The outlet of 16-recirculated air; 17-sparger; 18-feeding air locking-valve; 19-cyclonic separator; 20-plasma fly-ash separator; 21-active carbon adsorber; 22-vapour outlet; 23-waste heat boiler; 24-temperature sensor; 25-scraper; 26-pull bar.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment: as shown in Figure 1, Figure 2, Figure 3 shows, the present invention includes: capping 2, tower body 3, stationary heat dish 4, main steam header 5, blower fan 8, drive unit 9, pivot arm 15, waste heat boiler 23, and the cyclonic separator 19, plasma fly-ash separator 20 and the active carbon adsorber 21 that connect successively; It is characterized in that: described drive unit 9 is arranged on the bottom of tower body 3, drive unit 9 is connected with main shaft 11 by shaft coupling 10, and pivot arm 15 is installed on main shaft 11, half arm of pivot arm 15 is fan-shaped, and on pivot arm 15, be provided with symmetrical pull bar 26, main shaft 11 provides dynamic rotation for pivot arm 15, and pull bar 26 strengthens pivot arm 15 moments of torsion, improves the stability of pivot arm 15 work.
Described stationary heat dish 4 is semi-circular, and stationary heat dish 4 is communicated with main steam header 5 by pipeline, and stationary heat dish 4, by surface heat transmission, heats mud.
Described tower body 3 tops are provided with conical distributor 17, and sparger 17 is evenly distributed on mud on stationary heat dish 4.
The below of described pivot arm 15 is provided with the scraper 25 being parallel to each other, and parallel scraper 25 is conducive to mud on stationary heat dish 4 to be uniformly distributed, and the mud that will be heated is pushed next stationary heat dish 4 to.
The top of described capping 2 is provided with wet mud import 1, and is provided with feeding air locking-valve 18 between capping 2 and wet mud import 1.Feeding air locking-valve 18 prevents the gas overflowing of tower body 3.
Described blower fan 8 is connected with the recircilated air intake 7 of tower body 3 bottom sides by pipeline.Recirculated air enters tower body 3, and the water vapour of tower body 3 interior evaporations is taken out of.
The top of described capping 2 is provided with recirculated air outlet 16, and recirculated air outlet 16 is connected with cyclonic separator 19 by pipeline.The water vapour of tower body 3 interior evaporations is discharged from recirculated air outlet 16, enters flare system, enters successively cyclonic separator 19, plasma fly-ash separator 20 and active carbon adsorber 21, prevents atmospheric pollution.
The vapour outlet of described waste heat boiler 23 is connected with the steam-in 6 of main steam header 5 lower ends by pipeline, and the steam return port of waste heat boiler 23 is connected with the vapour outlet 22 of main steam header 5 upper ends by pipeline.Waste heat boiler 23 utilizes waste heat to lead to heat exchange, and steam provides thermal source for stationary heat dish 4.
Principle of work of the present invention: the mud of sewage work carries out after thickening, water ratio is that 80～85% mud enters dewatered sludge storehouse, feeding conveyor is the wet mud import 1 to vertical sludge moisture eliminator by sludge lifting, sparger 17 is evenly distributed on mud on stationary heat dish 4, mud contacts with stationary heat dish 4 from top to bottom, 85 ℃ of tower body 3 inner drying temperature, the mud granule of generation is recycled gas fluidized and produces fierce mixing.Drive unit 9 provides dynamic rotation by main shaft 11 for pivot arm 15, pull bar 26 strengthens pivot arm 15 moments of torsion, improve the stability of pivot arm 15 work, stationary heat dish 4 heats mud by surface heat transmission, parallel scraper 25 is conducive to mud on stationary heat dish 4 to be uniformly distributed, and the mud that will be heated pushes next stationary heat dish 4 to, and feeding air locking-valve 18 prevents the gas overflowing of tower body 3, recirculated air enters tower body 3, and the water vapour of tower body 3 interior evaporations is taken out of.The top of capping 2 is provided with recirculated air outlet 16, and recirculated air outlet 16 is connected with cyclonic separator 19 by pipeline.The water vapour of tower body 3 interior evaporations is discharged from recirculated air outlet 16, enters flare system, enters successively cyclonic separator 19, plasma fly-ash separator 20 and active carbon adsorber 21, prevents atmospheric pollution.The vapour outlet of waste heat boiler 23 is connected with the steam-in 6 of main steam header 5 lower ends by pipeline, and the steam return port of waste heat boiler 23 is connected with the vapour outlet 22 of main steam header 5 upper ends by pipeline.Waste heat boiler 23 utilizes waste heat to lead to heat exchange, and steam provides thermal source for stationary heat dish 4.With the gas of circulation, take mud particulate and dust out of fluidized layer, mud granule is delivered to water cooler by discharging conveying belt, condenses to and is less than 40 ℃, by outfeed belt conveyor, delivers to dewatered sludge storehouse, and discharging waste gas enters after exhaust gas treating tower is processed and discharges.
As mentioned above, just can realize preferably the present invention.
Claims (6)
1. a vertical sludge moisture eliminator, comprise: capping (2), tower body (3), stationary heat dish (4), main steam header (5), blower fan (8), drive unit (9), pivot arm (15), waste heat boiler (23), and the cyclonic separator (19), plasma fly-ash separator (20) and the active carbon adsorber (21) that connect successively; It is characterized in that: described drive unit (9) is arranged on the bottom of tower body (3), drive unit (9) is connected with main shaft (11) by shaft coupling (10), and pivot arm (15) is installed on main shaft (11), half arm of pivot arm (15) is fan-shaped, and is provided with symmetrical pull bar (26) on pivot arm (15); Described stationary heat dish (4) is semi-circular, and stationary heat dish (4) is communicated with main steam header (5) by pipeline; Described tower body (3) top is provided with conical distributor (17).
2. a kind of vertical sludge moisture eliminator according to claim 1, is characterized in that: the below of described pivot arm (15) is provided with the scraper (25) being parallel to each other.
3. a kind of vertical sludge moisture eliminator according to claim 1, it is characterized in that: the top of described capping (2) is provided with wet mud import (1), and is provided with feeding air locking-valve (18) between capping (2) and wet mud import (1).
4. a kind of vertical sludge moisture eliminator according to claim 1, is characterized in that: described blower fan (8) is connected with the recircilated air intake (7) of tower body (3) bottom sides by pipeline.
5. a kind of vertical sludge moisture eliminator according to claim 1, is characterized in that: the top of described capping (2) is provided with recirculated air outlet (16), and recirculated air outlet (16) is connected with cyclonic separator (19) by pipeline.
6. a kind of vertical sludge moisture eliminator according to claim 1, it is characterized in that: the vapour outlet of described waste heat boiler (23) is connected with the steam-in (6) of main steam header (5) lower end by pipeline, the steam return port of waste heat boiler (23) is connected with the vapour outlet (22) of main steam header (5) upper end by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310596880.9A CN103588379A (en) | 2013-11-25 | 2013-11-25 | Vertical sludge dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310596880.9A CN103588379A (en) | 2013-11-25 | 2013-11-25 | Vertical sludge dryer |
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| CN103588379A true CN103588379A (en) | 2014-02-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170257A (en) * | 2015-08-14 | 2015-12-23 | 中国能源建设集团安徽省电力设计院有限公司 | Coal slime drying and screening crushing device utilizing smoke waste heat of power station boiler |
| CN106045273A (en) * | 2016-07-20 | 2016-10-26 | 广州薪光合环保技术有限公司 | Vertical rotary drying apparatus |
| CN106495426A (en) * | 2016-11-22 | 2017-03-15 | 上海新帮环保科技有限公司 | Sludge dryer |
| CN112479542A (en) * | 2019-09-12 | 2021-03-12 | 广州新致晟环保科技有限公司 | Shaft-ventilated sludge drying device and operation method |
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| CN202924890U (en) * | 2012-12-10 | 2013-05-08 | 成都源创环保工程有限公司 | Vertical sludge drying device |
| CN202988946U (en) * | 2012-12-28 | 2013-06-12 | 成都源创环保工程有限公司 | Vertical multi-disk sludge drying system |
| CN203095826U (en) * | 2013-02-17 | 2013-07-31 | 成都源创环保工程有限公司 | Sludge drying machine utilizing waste heat |
| CN203653401U (en) * | 2013-11-25 | 2014-06-18 | 成都绿源新创环保科技有限公司 | Vertical sludge dryer |
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2013
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007196931A (en) * | 2006-01-30 | 2007-08-09 | Kazuo Miyata | Sludge treatment vessel |
| CN201000259Y (en) * | 2007-01-26 | 2008-01-02 | 张志霄 | Drying mechanism for axis type stirring sludge multilevel indirect steam back |
| CN201756496U (en) * | 2010-06-28 | 2011-03-09 | 史海峰 | Wet-sludge low-temperature steam drier |
| CN101993181A (en) * | 2010-10-21 | 2011-03-30 | 江苏东源纺织科技实业有限公司 | Method for dehydration and recycling of continuous dyeing sludge |
| CN202924890U (en) * | 2012-12-10 | 2013-05-08 | 成都源创环保工程有限公司 | Vertical sludge drying device |
| CN202988946U (en) * | 2012-12-28 | 2013-06-12 | 成都源创环保工程有限公司 | Vertical multi-disk sludge drying system |
| CN203095826U (en) * | 2013-02-17 | 2013-07-31 | 成都源创环保工程有限公司 | Sludge drying machine utilizing waste heat |
| CN203653401U (en) * | 2013-11-25 | 2014-06-18 | 成都绿源新创环保科技有限公司 | Vertical sludge dryer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170257A (en) * | 2015-08-14 | 2015-12-23 | 中国能源建设集团安徽省电力设计院有限公司 | Coal slime drying and screening crushing device utilizing smoke waste heat of power station boiler |
| CN105170257B (en) * | 2015-08-14 | 2017-10-24 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of coal slime dry sieve crushing device of utilization boiler of power plant fume afterheat |
| CN106045273A (en) * | 2016-07-20 | 2016-10-26 | 广州薪光合环保技术有限公司 | Vertical rotary drying apparatus |
| CN106495426A (en) * | 2016-11-22 | 2017-03-15 | 上海新帮环保科技有限公司 | Sludge dryer |
| CN112479542A (en) * | 2019-09-12 | 2021-03-12 | 广州新致晟环保科技有限公司 | Shaft-ventilated sludge drying device and operation method |
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Application publication date: 20140219 |