CN203613088U - Sludge drying device - Google Patents
Sludge drying device Download PDFInfo
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- CN203613088U CN203613088U CN201320867181.9U CN201320867181U CN203613088U CN 203613088 U CN203613088 U CN 203613088U CN 201320867181 U CN201320867181 U CN 201320867181U CN 203613088 U CN203613088 U CN 203613088U
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- rotary drum
- drum dryer
- sludge
- drying device
- mud
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- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a sludge drying device. The sludge drying device comprises a dehydration sludge bin (1), a spiral conveyor (2), a mixing device (3) and a rotary drum dryer (8) which are connected in sequence; an exhaust port (7) is formed in the rotary drum dryer (8); the rotary drum dryer (8) is also connected with a steam boiler (15). The sludge dehydration is realized by using chemical heat and steam heat, so energy consumption is reduced, the drying rate is improved, and the drying effect is good. The sludge drying device is simple in structure, capable of effectively filtering harmful gas and micro dust without causing secondary pollution, environment-friendly and efficient; the temperature of the rotary drum dryer can achieve 100 DEG C, and germs in the sludge can be effectively eliminated and dried sludge can be directly used; substances such as Ca, Fe and Al are added in the drying process, so the dried sludge can be used for manufacturing building materials and resources are more widely used.
Description
Technical field
The utility model relates to a kind of mud drying device, belongs to environmental protection technical field of sludge treatment.
Background technology
Along with the raising of wastewater treatment rate, producing sludge quantity increases greatly, and sludge treatment handling problems day by day highlights, and becomes the difficult problem that water treatment field faces.A large amount of excess sludges will discharge in sewage work, the mud of enormous amount need to do further processing, if mud can not get reasonable processing, to cause secondary pollution, the processing disposal costs of sewage sludge is higher, in whole construction costs of sewage work, account for 20%～50% for the treatment of mud.The composition of sewage sludge is very complicated, except containing a large amount of moisture, also containing a large amount of useful resources.Have at present multiplely for urban sludge treating method, 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.More existing sludge drying techniques, adopt the moisture content in steam heating evaporation mud, have the shortcomings such as energy consumption is higher, generation foul waste gas.Mud after mummification, can apply to land reclamation, and how building materials utilization etc. reduce the water ratio of mud, and this is the vital task of sludge treatment, also should avoid problem of secondary pollution in drying process.
Utility model content
Problem to be solved in the utility model has been to provide a kind of mud drying device, has solved the weak effect of mud drying device mummification in the past, problem that energy consumption is high.
The technical scheme that the utility model provides is: a kind of mud drying device, comprise the dewatered sludge storehouse, worm conveyor, blending device and the rotary drum dryer that connect in turn, in rotary drum dryer, be provided with venting port, described rotary drum dryer is also connected with steam boiler.
Described venting port is connected with exhaust gas treating tower.
Between described venting port and exhaust gas treating tower, be also provided with cleaning apparatus.
Described blending device is also connected with metered charge transfer roller, is provided with lime warehouse and amendment warehouse on metered charge transfer roller.
Described rotary drum dryer is provided with thermometer.
Described rotary drum dryer exit end is also provided with the prilling granulator being connected with steam boiler, and prilling granulator exit end is provided with discharging incline conveyer, and discharging incline conveyer is also connected with movably dewatered sludge collection binning.
The utility model has the advantage of:
1. the utility model utilizes chemical heat and steam heat to realize mud to dewater, not only reduced energy consumption, improved mummification rate simultaneously, and mummification is effective.
2. the utility model is simple in structure, and effectively filtering obnoxious flavour and micronic dust can not cause secondary pollution, environmental protection, efficient.
3. rotary drum dryer temperature of the present utility model can reach 100 ℃, can effectively go out except bacterium in mud, and the mud after mummification can directly use.
4. the utility model adds the materials such as calcium, iron, aluminium in drying process, makes the mud after mummification can be used for manufacturing material of construction, and resource has obtained application widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Label in figure is respectively: 1, dewatered sludge storehouse; 2, worm conveyor; 3, blending device; 4, lime warehouse; 5, amendment warehouse; 6, metered charge transfer roller; 7, venting port; 8, rotary drum dryer; 9, thermometer; 10, prilling granulator; 11, discharging incline conveyer; 12, cleaning apparatus; 13, exhaust gas treating tower; 14, dewatered sludge collection binning; 15, steam boiler.
Embodiment
Referring to Fig. 1, a kind of mud drying device, comprises the dewatered sludge storehouse 1, worm conveyor 2, blending device 3 and the rotary drum dryer 8 that connect in turn, is provided with venting port 7 in rotary drum dryer 8, and described rotary drum dryer 8 is also connected with steam boiler 15.
While implementing the present embodiment, the mud of sewage work carries out after thickening, water ratio is that 70～80% mud adds calcium, iron, after the metallic elements such as aluminium, enter dewatered sludge storehouse 1, feeding spiral conveyer 2 is transported to sludge lifting in blending device 3, in blending device 3, add a certain proportion of lime and amendment, mud and lime, amendment is transported in rotary drum dryer 8 after mixing by blending device 3, at the interior unslaked lime of rotary drum dryer 8, the raw combination reaction of the abundant hybrid concurrency of water in amendment and mud, discharge a large amount of heat energy, moisture content in mud is evaporated in a large number, steam boiler 15 provides steam heat and promotes the interior temperature of rotary drum dryer 8 for passing into steam in rotary drum dryer 8 simultaneously, further strengthen mummification effect, improve mummification efficiency, the present embodiment carries out mummification by chemical heat and steam heat to mud, can reduce the energy consumption of the independent mummification of steam, make mummification more thorough simultaneously, mummification effect and efficiency all promote to some extent, after mummification simultaneously, mud is owing to having the metallic elements such as calcium, iron, aluminium, can be used for the making of material of construction, the purposes of second stage employ is more extensive.
Embodiment 2
The present embodiment has increased following structure on the basis of embodiment 1: described venting port 7 is connected with exhaust gas treating tower 13.
Than embodiment 1, the present embodiment adds exhaust gas treating tower 13 at venting port 7, and the obnoxious flavour of rotary drum dryer 8 being discharged by exhaust gas treating tower 13 is processed, and avoids waste gas to cause secondary pollution to environment, reduces the impact of waste gas on environment.
As preferably, between described venting port 7 and exhaust gas treating tower 13, be also provided with cleaning apparatus 12.In the waste gas that venting port 7 is discharged, contain a large amount of mud micronic dusts, these micronic dusts can damage environment after discharging equally, cause micronic dust content in air to increase, form dust weather, cause atmospheric pollution, therefore add cleaning apparatus 12 and remove the micronic dust in waste gas, reduce atmospheric pollution.
The present embodiment has increased metered charge transfer roller on the basis of embodiment 1 or embodiment 2, and its concrete structure is: described blending device 3 is also connected with metered charge transfer roller 6, is provided with lime warehouse 4 and amendment warehouse 5 on metered charge transfer roller 6.
The present embodiment is stored in lime and amendment respectively in lime warehouse 4 and amendment warehouse 5, and controls add-on by metered charge transfer roller 6, and the additional proportion of fine adjustment lime and conditioning agent, realizes self-feeding.
The present embodiment has increased following structure on the basis of above-mentioned arbitrary embodiment: described rotary drum dryer 8 is provided with thermometer 9.
In the present embodiment, thermometer 9 Real-Time Monitorings and feedback rotary drum dryer 8 interior reaction temperatures, guarantee that mud carries out mummification in optimal temperature, avoids too low mummification effect and the efficiency of affecting of temperature, also can avoid excess Temperature to cause damage to rotary drum dryer 8.
The present embodiment has increased following structure on the basis of above-mentioned arbitrary embodiment: described rotary drum dryer 8 exit end are also provided with the prilling granulator 10 being connected with steam boiler 15, prilling granulator 10 exit end are provided with discharging incline conveyer 11, and discharging incline conveyer 11 is also connected with movably dewatered sludge collection binning 14.
The present embodiment carries out granulation processing by adding prilling granulator 10 by mud, easy to use and carrying, and while reducing carrying, mud soil disperses and causes dust pollution; The incline conveyer of discharging simultaneously 11 can be transported to mud grain the 14 interior storages of dewatered sludge collection binning, after 14 storages of dewatered sludge collection binning are full, dewatered sludge collection binning 14 entirety can be transported, using new dewatered sludge collection binning 14 to store, not only convenient transportation, and reduced manpower and cost.
The above is embodiment of the present utility model.Scope of patent protection of the present utility model is as the criterion with claims, and the equivalent structure that every utilization specification sheets of the present utility model and accompanying drawing content are done changes, and in like manner all should be included in protection domain of the present utility model.
Claims (6)
1. a mud drying device, it is characterized in that: comprise the dewatered sludge storehouse (1), worm conveyor (2), blending device (3) and the rotary drum dryer (8) that connect in turn, in rotary drum dryer (8), be provided with venting port (7), described rotary drum dryer (8) is also connected with steam boiler (15).
2. a kind of mud drying device according to claim 1, is characterized in that: described venting port (7) is connected with exhaust gas treating tower (13).
3. a kind of mud drying device according to claim 2, is characterized in that: between described venting port (7) and exhaust gas treating tower (13), be also provided with cleaning apparatus (12).
4. a kind of mud drying device according to claim 1, is characterized in that: described blending device (3) is also connected with metered charge transfer roller (6), is provided with lime warehouse (4) and amendment warehouse (5) on metered charge transfer roller (6).
5. a kind of mud drying device according to claim 1, is characterized in that: described rotary drum dryer (8) is provided with thermometer (9).
6. a kind of mud drying device according to claim 1, it is characterized in that: described rotary drum dryer (8) exit end is also provided with the prilling granulator (10) being connected with steam boiler (15), prilling granulator (10) exit end is provided with discharging incline conveyer (11), and discharging incline conveyer (11) is also connected with movably dewatered sludge collection binning (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867181.9U CN203613088U (en) | 2013-12-26 | 2013-12-26 | Sludge drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867181.9U CN203613088U (en) | 2013-12-26 | 2013-12-26 | Sludge drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203613088U true CN203613088U (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320867181.9U Expired - Fee Related CN203613088U (en) | 2013-12-26 | 2013-12-26 | Sludge drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203613088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191203A (en) * | 2018-02-06 | 2018-06-22 | 陕西专壹知识产权运营有限公司 | A kind of environmentally-friendly sludge improves laundry drying processor |
-
2013
- 2013-12-26 CN CN201320867181.9U patent/CN203613088U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191203A (en) * | 2018-02-06 | 2018-06-22 | 陕西专壹知识产权运营有限公司 | A kind of environmentally-friendly sludge improves laundry drying processor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20191226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |