CN215627547U - School domestic sludge drying equipment - Google Patents
School domestic sludge drying equipment Download PDFInfo
- Publication number
- CN215627547U CN215627547U CN202121381084.XU CN202121381084U CN215627547U CN 215627547 U CN215627547 U CN 215627547U CN 202121381084 U CN202121381084 U CN 202121381084U CN 215627547 U CN215627547 U CN 215627547U
- Authority
- CN
- China
- Prior art keywords
- drying
- sludge
- hot air
- school
- mummification
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000001035 drying Methods 0.000 title claims abstract description 86
- 239000010802 sludge Substances 0.000 title claims abstract description 80
- 238000007602 hot air drying Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Images
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- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses school domestic sludge drying equipment; the system includes a drying enclosure; the bottom of mummification shell body sets up the supporting legs, the inside of mummification shell body has the hot air drying conveying mesh belt who realizes sludge convection drying, and the bottom is hot air inlet and the export of dry mud of stoving section, and the top of mummification shell body has damp and hot air discharge port. When the improved wet sludge drying mesh belt is used, sludge produced by schools enters a sludge bin in equipment and can be firstly crushed by a wet sludge crushing device, high-temperature gas is conveyed in through a hot air inlet of a drying section, the sludge on the mesh belt is dried by convection drying and hot air in the drying section, moisture in the sludge is taken away by hot air, and the discharged wet and hot air is output. Conveying the dried sludge into a storage bin for temporary storage. Compared with the traditional drying mode, the drying method is more reasonable and can effectively sterilize; the device has no pollution and safe, stable and reliable operation. The later maintenance workload is less, only the unit is cleaned, the field operation personnel can maintain the unit, and the maintenance cost is low.
Description
Technical Field
The utility model relates to the field of school sewage sludge treatment, in particular to school domestic sludge drying equipment.
Background
Schools belong to education institutions, can produce a certain amount of sewage, can also produce a certain amount of mud simultaneously, however in the sewage treatment process about 40% of pollutants finally get into mud, huge mud output and no economic, safe and efficient mud treatment mode make a large amount of mud that produces every year bring huge influence to the environment, the corruption of a large amount of organic substance in the mud is rotten and bad to cause the water body foul, and the nitrogen, the phosphorus element that contain wherein also can lead to water eutrophication, destroys ecological environment. The existing sludge reduction technology mainly comprises mechanical dehydration, drying, incineration, resource utilization and the like. The general treatment process is that the sludge is firstly subjected to preliminary reduction (the water content of the sludge is about 80%) by mechanical dehydration, and then is fully reduced by drying, so that the dried sludge can be subjected to heat recovery in cooperation with a thermal power plant, a cement plant and a waste incineration plant, and finally the sludge resource is realized. However, the method for efficiently treating the sludge still belongs to a drying method, but the existing drying method lacks a simple and feasible drying device, and is applied to the treatment of the domestic sludge in schools.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects, the utility model provides school domestic sludge drying equipment; when the improvement is carried out, sludge (sludge with the water content of 70-80%) produced by schools enters a sludge bin 7 in equipment, the sludge can be firstly crushed by a wet sludge crushing device 8, high-temperature gas is conveyed in through a hot air inlet 4 of a drying section, the sludge on a drying mesh belt is dried by convection drying hot air in the drying section, moisture in the sludge is taken away by hot air, and damp and hot air is discharged for output (the dried air after dehumidification is circulated to a heat exchange section for heat exchange and temperature rise, and then forms dry hot air (70-90 ℃) which enters the drying section for drying and dewatering the sludge). Conveying the dried sludge into a storage bin for temporary storage. Compared with the traditional drying mode, the drying method is more reasonable and can effectively sterilize; the device has no pollution and safe, stable and reliable operation. The later maintenance workload is less, only the unit is cleaned, the field operation personnel can maintain the unit, and the maintenance cost is low.
The utility model is realized in such a way, and the school domestic sludge drying equipment is constructed, and is characterized in that; the system includes a drying enclosure; the bottom of mummification shell body sets up the supporting legs, the inside of mummification shell body has the hot air drying conveying mesh belt who realizes sludge convection drying, and the bottom is hot air inlet and the export of dry mud of stoving section, and the top of mummification shell body has damp and hot air discharge mouth.
The school domestic sludge drying equipment is characterized in that the school domestic sludge drying equipment is provided with a drying chamber; the upper part of the drying outer shell is provided with a sludge bin and a wet sludge crushing device.
The school domestic sludge drying equipment is characterized in that the school domestic sludge drying equipment is provided with a drying chamber; the plurality of hot and humid air outlets respectively extend out of the drying outer shell.
The school domestic sludge drying equipment is characterized in that the school domestic sludge drying equipment is provided with a drying chamber; and the plurality of hot and humid air discharge ports are communicated with an external condensate water recovery system and a heat exchange section system.
The school domestic sludge drying equipment is characterized in that the school domestic sludge drying equipment is provided with a drying chamber; the dry sludge outlet is communicated with a dry sludge temporary storage bin.
The school domestic sludge drying equipment is characterized in that the school domestic sludge drying equipment is provided with a drying chamber; the drying outer shell is a stainless steel shell or a plastic shell.
The school domestic sludge drying equipment is characterized in that the school domestic sludge drying equipment is provided with a drying chamber; the hot air drying transmission mesh belts are in a plurality of groups and are respectively vertically overlapped and distributed in the drying outer shell.
The utility model has the advantages that: the utility model provides a school's domestic sludge drying equipment, in the mud feed bin that will school produce (the mud of moisture content 70-80%) gets into equipment when implementing after the improvement, can smash through wet mud reducing mechanism earlier, carry into high-temperature gas through the hot-blast import of stoving section, adopt the mud on the convection drying hot-air drying guipure in the stoving section, moisture in the mud is taken away to the hot-blast, the output of exhaust damp and hot air (the dry air circulation after the dehumidification is to the heat exchange section, carry out the heat transfer and heat up, form again dry hot-blast (70 ~90 ℃) entering stoving section and carry out the mummification dehydration to mud). Conveying the dried sludge into a storage bin for temporary storage. Compared with the traditional drying mode, the drying method is more reasonable and can effectively sterilize; the device has no pollution and safe, stable and reliable operation. The later maintenance workload is less, only the unit is cleaned, the field operation personnel can maintain the unit, and the maintenance cost is low.
Drawings
FIG. 1 is an external schematic view of the present invention;
fig. 2 is an internal schematic view of the present invention.
Detailed Description
The present invention will be described in detail with reference to fig. 1-2, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides school domestic sludge drying equipment, which can be implemented as shown in figures 1-2; the system comprises a drying outer shell 1; the bottom of mummification shell body 1 sets up supporting legs 2, the inside of mummification shell body 1 has the hot air drying conveying mesh belt 3 who realizes sludge convection drying, and the bottom is hot-blast import 4 of stoving section and dry mud export 5, and the top of mummification shell body 1 has damp and hot air discharge port 6.
When the school domestic sludge drying equipment is implemented; the upper part of the drying outer shell 1 is provided with a sludge bin 7 and a wet sludge crushing device 8.
When the school domestic sludge drying equipment is implemented; a plurality of hot and humid air outlets 6 are respectively extended out of the drying outer shell 1.
When the school domestic sludge drying equipment is implemented; the plurality of hot and humid air discharge ports 6 communicate with an external condensate recovery system and a heat exchange section system.
When the school domestic sludge drying equipment is implemented; and a dry mud outlet 5 is communicated with a dry mud temporary storage bin.
When the school domestic sludge drying equipment is implemented; the drying outer shell 1 is a stainless steel shell or a plastic shell.
When the school domestic sludge drying equipment is implemented; the hot air drying transmission mesh belts 3 are in a plurality of groups and are respectively vertically overlapped and distributed in the drying outer shell 1.
The implementation process of the utility model is as follows; collecting and filtering sludge generated by schools, conveying sludge with certain water content (70-80%) into a sludge bin 7 in equipment, crushing the sludge by a wet sludge crushing device 8, conveying high-temperature gas into the equipment through a hot air inlet 4 of a drying section, drying the sludge on a mesh belt by convection drying and hot air in the drying section, taking away moisture in the sludge by hot air, and outputting the damp and hot air (the dehumidified dry air circulates to a heat exchange section to exchange heat and raise temperature, and then forms dry hot air (70-90 ℃) which enters the drying section to dry and dehydrate the sludge). Conveying the dried sludge into a storage bin for temporary storage.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. School domestic sludge drying equipment is characterized in that; the system comprises a drying outer shell (1);
the bottom of mummification shell body (1) sets up supporting legs (2), the inside of mummification shell body (1) has hot air drying transmission mesh belt (3) that realizes sludge convection drying, and the bottom is hot-blast import (4) of stoving section and dry mud export (5), and the top of mummification shell body (1) has damp and hot air discharge port (6).
2. The school domestic sludge drying apparatus according to claim 1, wherein; the upper part of the drying outer shell (1) is provided with a sludge bin (7) and a wet sludge crushing device (8).
3. The school domestic sludge drying apparatus according to claim 1, wherein; a plurality of wet and hot air outlets (6) are respectively extended out of the drying outer shell (1).
4. The school domestic sludge drying apparatus according to claim 1, wherein; the plurality of hot and humid air discharge ports (6) are communicated with an external condensate water recovery system and a heat exchange section system.
5. The school domestic sludge drying apparatus according to claim 1, wherein; the dry sludge outlet (5) is communicated with a dry sludge temporary storage bin.
6. The school domestic sludge drying apparatus according to claim 1, wherein; the drying outer shell (1) is a stainless steel shell or a plastic shell.
7. The school domestic sludge drying apparatus according to claim 1, wherein; the hot air drying conveying mesh belts (3) are in a plurality of groups and are respectively vertically overlapped and distributed in the drying outer shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121381084.XU CN215627547U (en) | 2021-06-22 | 2021-06-22 | School domestic sludge drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121381084.XU CN215627547U (en) | 2021-06-22 | 2021-06-22 | School domestic sludge drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215627547U true CN215627547U (en) | 2022-01-25 |
Family
ID=79944381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121381084.XU Expired - Fee Related CN215627547U (en) | 2021-06-22 | 2021-06-22 | School domestic sludge drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215627547U (en) |
-
2021
- 2021-06-22 CN CN202121381084.XU patent/CN215627547U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |