CN214936957U - Drying system of high-moisture-content sludge - Google Patents
Drying system of high-moisture-content sludge Download PDFInfo
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- CN214936957U CN214936957U CN202121843212.8U CN202121843212U CN214936957U CN 214936957 U CN214936957 U CN 214936957U CN 202121843212 U CN202121843212 U CN 202121843212U CN 214936957 U CN214936957 U CN 214936957U
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Abstract
The utility model discloses a drying system for sludge with high water content, which comprises a low-temperature drying machine, a dry sludge conveyor, a dry sludge crusher, a wet sludge bin and a mixing conveyor, wherein the dry sludge conveyor is arranged at a sludge outlet of the low-temperature drying machine, the mixing conveyor is arranged at an outlet of the wet sludge bin, and the dry sludge crusher is arranged between the dry sludge conveyor and the mixing conveyor; and the low-temperature drier conveys part of dry sludge to the dry sludge crusher through the dry sludge conveyor to be crushed, then the crushed dry sludge and wet sludge from the wet sludge bin are mixed together to enter the mixing conveyor, and then the mixture is conveyed to the low-temperature drier to be dried again. The utility model discloses a dry sludge after handling mixes the back with former wet sludge, improves the plasticity of mud, makes mud carry out the slitting through the desiccator slitter and takes shape, improves the efficiency of low temperature mummification.
Description
Technical Field
The utility model relates to a sludge treatment technical field especially relates to a mummification system of high moisture content mud.
Background
At present, the treatment cost of dangerous waste sludge is higher and higher, and the reduction demand of the sludge is higher and higher. In order to reduce the sludge treatment cost, technicians hope to dry the sludge to 20-40% and then treat the sludge as hazardous waste.
The currently used sludge drying machines have two types:
one method adopts a heat source to directly heat sludge for drying and dehydration.
The other type is low-temperature drying, and the sludge is dried by hot air circulation condensation effluent by using a dehumidification heat pump, so that the method is more energy-saving and environment-friendly. Wet sludge enters low-temperature drying and is firstly subjected to slitting treatment, then is conveyed to a drying machine through a conveyor and is discharged, and then is subjected to dehydration drying in the sludge conveying process, if the sludge is not shaped, stable conveying cannot be carried out, dust can be generated, and the sludge drying effect is seriously influenced. This drawback limits the low temperature dryer to treating high moisture content sludge.
In order to solve the slitting problem of the low-temperature drying machine, a set of sludge dewatering system is added before a re-drying machine is adopted in a part of drying system, the moisture content of sludge is further reduced, and then the sludge enters the drying machine. But the increased sludge dewatering system has higher operating cost and investment cost, so the application and popularization range is not large.
The person skilled in the art is dedicated to solving the above technical drawbacks.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the technical purpose of the present invention is to solve the problem mentioned in the above-mentioned background art, and provide a drying system with low investment cost, simple and reliable operation and good drying effect.
In order to realize the technical purpose, the utility model provides a drying system of sludge with high water content, which comprises a low-temperature drying machine, a dry sludge conveyor, a dry sludge crusher, a wet sludge bin and a mixing conveyor; the dry sludge conveyor is arranged at a sludge outlet of the low-temperature drying machine, the mixing conveyor is arranged at an outlet of the wet sludge bin, and the dry sludge crusher is arranged between the dry sludge conveyor and the mixing conveyor; and the low-temperature drier conveys part of dry sludge to the dry sludge crusher through the dry sludge conveyor to be crushed, then the crushed dry sludge and wet sludge from the wet sludge bin are mixed together to enter the mixing conveyor, and then the mixture is conveyed to the low-temperature drier to be dried again.
Preferably, the dry sludge conveyor is a screw conveyor.
The utility model has the advantages that:
the utility model discloses because above-mentioned structural design, after mixing through the dry mud after handling and former wet mud, improve the plasticity of mud, make mud carry out the slitting through the desiccator slitter and take shape, improve the efficiency of low temperature mummification, realized that investment cost is low, the operation is simple reliable, the effectual beneficial effect of mummification.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a schematic structural view of the present invention viewed from the bottom;
fig. 3 is a schematic structural view of the present invention from above.
In the figure: 1 low temperature drier, 2 dry sludge conveyer, 3 dry sludge crusher, 4 wet sludge bin, 5 mixing conveyer.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Example (b):
as shown in FIGS. 1-3, the embodiment of the drying system for sludge with high water content of the present invention comprises a low temperature drying machine 1, a dry sludge conveyor 2, a dry sludge crusher 3, a wet sludge bin 4 and a mixing conveyor 5
A dry sludge conveyor 2 is arranged at the sludge outlet of the low-temperature drier 1, and a mixing conveyor 5 is arranged at the outlet of the wet sludge bin 4. The low-temperature drier 1 conveys the dry sludge to a mixing conveyor 5 through a dry sludge conveyor 2. A dry sludge crusher 3 is arranged between the dry sludge conveyor 2 and the mixing conveyor 5.
In a specific implementation, the dry sludge conveyor 2 can be a screw conveyor.
The utility model discloses a working process:
the dry sludge conveyor 2 arranged at the sludge outlet of the low-temperature drier 1 conveys part of the dry sludge to the dry sludge crusher 3, the dry sludge is crushed by the dry sludge crusher 3, and the crushed dry sludge is mixed with wet sludge from the wet sludge bin 4 by the mixer conveyor 5 and then conveyed to the low-temperature drier 1 for secondary sludge drying.
The utility model discloses a mummification system mixes through the dry mud after handling with former wet mud, improves the plasticity of mud, makes mud can carry out the slitting through the desiccator slitter and takes shape, improves the efficiency of low temperature mummification.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (2)
1. A drying system for sludge with high water content comprises a low-temperature drying machine (1), a dry sludge conveyor (2), a dry sludge crusher (3), a wet sludge bin (4) and a mixing conveyor (5); the method is characterized in that: the dry sludge conveyor (2) is arranged at a sludge outlet of the low-temperature dryer (1), the mixing conveyor (5) is arranged at an outlet of the wet sludge bin (4), and the dry sludge crusher (3) is arranged between the dry sludge conveyor (2) and the mixing conveyor (5); the low-temperature drier (1) conveys part of dry sludge to the dry sludge crusher (3) for crushing through the dry sludge conveyor (2), and then the part of the dry sludge is mixed with wet sludge from the wet sludge bin (4) to enter the mixing conveyor (5) and then conveyed to the low-temperature drier (1) for secondary drying.
2. The drying system for sludge with high water content according to claim 1, which is characterized in that: the dry sludge conveyor (2) is a screw conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121843212.8U CN214936957U (en) | 2021-08-09 | 2021-08-09 | Drying system of high-moisture-content sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121843212.8U CN214936957U (en) | 2021-08-09 | 2021-08-09 | Drying system of high-moisture-content sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214936957U true CN214936957U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121843212.8U Active CN214936957U (en) | 2021-08-09 | 2021-08-09 | Drying system of high-moisture-content sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214936957U (en) |
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2021
- 2021-08-09 CN CN202121843212.8U patent/CN214936957U/en active Active
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