CN113955916A - Recycled sludge grading drying device and process - Google Patents
Recycled sludge grading drying device and process Download PDFInfo
- Publication number
- CN113955916A CN113955916A CN202111325432.6A CN202111325432A CN113955916A CN 113955916 A CN113955916 A CN 113955916A CN 202111325432 A CN202111325432 A CN 202111325432A CN 113955916 A CN113955916 A CN 113955916A
- Authority
- CN
- China
- Prior art keywords
- sludge
- drying
- trough
- crushing
- drying device
- Prior art date
- 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.)
- Withdrawn
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of sludge drying, in particular to a recycled sludge grading drying device and a recycled sludge grading drying process. Be provided with and carry the axle, carry the axle and be provided with helical blade, be provided with the heating resistor silk in the helical blade, when carrying the recovery mud, carry out the drying of heating to the recovery mud promptly in transportation process, production efficiency is high, simple structure, low in production cost. The diameter of the helical blade is gradually increased along the direction of the directional discharge port of the feed inlet of the trough, the pitch of the helical blade is gradually increased along the direction of the directional discharge port of the feed inlet of the trough, the contact area of the helical blade and the recovered sludge is gradually increased, so that the helical blade performs stage drying on the recovered sludge, and the production energy consumption can be effectively reduced while the effect of recovering the sludge drying is improved. Heating temperature is controlled by heating resistance wires in the spiral blades in a segmented mode, so that the drying process can be controlled, heating energy is reasonably distributed, production energy consumption is further reduced, and production cost is further reduced.
Description
Technical Field
The invention relates to the technical field of sludge drying, in particular to a recycled sludge grading drying device and a recycled sludge grading drying process.
Background
In the process of sludge recovery, the sludge needs to be dewatered. However, the traditional sludge dewatering process has the disadvantages of large water content of dewatered sludge, poor dewatering effect, high dewatering energy consumption, complex dewatering process and high equipment processing cost.
Therefore, a device and a process for recycling sludge and drying the sludge in a grading manner are needed to be designed, so that the dehydration effect of the sludge is improved, the production energy consumption is reduced, and the production cost is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a recycled sludge grading and drying device and a recycled sludge grading and drying process, which can effectively improve the dehydration effect of sludge, reduce the production energy consumption and reduce the production cost.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a recycled sludge staged drying device comprises:
the drying device is provided with a material groove, the material groove is provided with a conveying shaft, the conveying shaft is arranged along the direction of a material inlet of the material groove pointing to a material outlet, the conveying shaft is provided with a spiral blade, and a heating resistance wire is arranged in the spiral blade;
the crushing device is provided with a feed hopper, and the feed hopper is provided with a crushing roller;
wherein, breaker sets up in drying device's top, and breaker's discharge gate and drying device's feed inlet butt joint.
As a preferable scheme of the invention, the diameter of the helical blade is gradually increased along the direction from the feeding hole to the discharging hole of the trough.
In a preferred embodiment of the present invention, the pitch of the helical blade gradually increases along a direction from the feeding port to the discharging port of the trough.
As a preferred scheme of the invention, the heating resistance wires control the heating temperature in sections of the helical blades.
In a preferred embodiment of the present invention, the drying device is provided with a first motor, and the first motor is connected to the conveying shaft.
As a preferred aspect of the invention, the crushing roller is provided with crushing blades which are alternately arranged at intervals along the circumference of the crushing roller.
As a preferred version of the invention, the crushing device is provided with a second motor, which is connected to the crushing roller.
A classification drying process for recycled sludge comprises the following drying steps:
s1, starting equipment;
s2, crushing;
s3, grading and drying;
and S4, discharging.
As a preferable aspect of the present invention, the crushing step includes:
s21, putting the sludge subjected to filter pressing into a feed hopper;
s22, crushing the sludge subjected to filter pressing by a crushing roller;
s23, feeding the crushed sludge into the trough from the discharge hole of the feed hopper through the feed inlet of the trough.
As a preferable aspect of the present invention, the step of drying by fractionation includes:
s31, after the sludge enters the trough, the rotating conveying shaft drives the helical blade to rotate, and then the sludge is driven to move towards the discharge hole of the trough;
s32, primarily dehydrating the sludge by the spiral blade at the front section;
s33, increasing the diameter and the pitch of the spiral blade at the middle section, increasing the temperature of the heating resistance wire in the spiral blade, and further baking and dehydrating the sludge;
s34, further increasing the diameter and the pitch of the spiral blade at the rear section, further increasing the temperature of the heating resistance wire in the spiral blade, and finally baking and dehydrating the sludge;
and S35, discharging.
(III) advantageous effects
Compared with the prior art, the invention provides a recycled sludge grading and drying device and a process, which have the following beneficial effects:
1. this retrieve mud grading drying device is provided with carries the axle, carries the axle to be provided with helical blade, is provided with the heating resistor silk in the helical blade, when carrying retrieving mud, carries out the drying by heating to retrieving mud promptly in transportation process, and production efficiency is high, simple structure, low in production cost.
2. This retrieve mud staged drying device helical blade's diameter is gradually increased along the direction of the directional discharge gate of feed inlet of silo, and helical blade's pitch is gradually increased along the direction of the directional discharge gate of feed inlet of silo, and the area of contact of crescent helical blade and recovery mud makes helical blade carry out stage drying to retrieving mud, when improving the effect of retrieving mud drying, can effectively reduce the production energy consumption.
3. Heating temperature is controlled at the helical blade segmentation to this heating resistor silk in retrieving mud grading drying device helical blade, can make the drying process controllable, and rational distribution heating energy further reduces the production energy consumption, and then further reduction in production cost.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of the conveying shaft of the present invention;
FIG. 3 is a block flow diagram of a drying process of the present invention;
FIG. 4 is a block flow diagram of the crushing process of the present invention;
FIG. 5 is a block flow diagram of a staged drying process according to the present invention.
In the figure: 1. a drying device; 11. a trough; 12. a delivery shaft; 13. a helical blade; 14. heating resistance wires; 15. a first motor; 2. a crushing device; 21. a feed hopper; 22. a crushing roller; 23. crushing the leaves; 24. a second motor; .
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
As described in the background of the invention, the prior art has disadvantages, and in order to solve the above technical problems, the present application provides a recycled sludge staged drying device and process
In an exemplary embodiment of the present application, as shown in fig. 1-2, to achieve the above object, the present invention provides the following technical solutions: a recycled sludge classifying and drying apparatus 1 comprising:
the drying device 1 is provided with a trough 11, the trough 11 is provided with a conveying shaft 12, the conveying shaft 12 is arranged along the direction of a feed inlet of the trough 11 pointing to a discharge outlet, the conveying shaft 12 is provided with a spiral blade 13, and a heating resistance wire 14 is arranged in the spiral blade 13;
the crushing device 2 is provided with a feed hopper 21, and the feed hopper 21 is provided with a crushing roller 22;
wherein, breaker 2 sets up in drying device 1's top, and the discharge gate of breaker 2 docks with drying device 1's feed inlet.
Further, the diameter of the helical blade 13 gradually increases along the direction from the feeding hole to the discharging hole of the trough 11.
Further, the pitch of the helical blade 13 gradually increases along the direction from the feeding hole to the discharging hole of the trough 11.
Further, the heating resistance wires 14 control the heating temperature in sections of the helical blade 13.
Further, the drying device 1 is provided with a first motor 15, and the first motor 15 is connected to the conveying shaft 12.
Further, the crushing roller 22 is provided with crushing blades 23, and the crushing blades 23 are alternately arranged at intervals along the circumference of the crushing roller 22.
Further, the crushing device 2 is provided with a second motor 24, which second motor 24 is connected to the crushing roller 22.
In another aspect, a recycled sludge staged drying process, the drying step comprises:
s1, starting equipment;
s2, crushing;
s3, grading and drying;
and S4, discharging.
Further, the crushing step comprises:
s21, putting the sludge subjected to filter pressing into a feed hopper 21;
s22, crushing the sludge subjected to filter pressing by the crushing roller 22;
s23, the crushed sludge enters the trough 11 from the discharge hole of the feed hopper 21 through the feed inlet of the trough 11.
Further, the step of drying by stages comprises:
s31, after the sludge enters the trough 11, the rotating conveying shaft 12 drives the helical blade 13 to rotate, and then the sludge is driven to move towards the discharge hole of the trough 11;
s32, primarily dehydrating the sludge by the spiral blade 13 at the front section;
s33, increasing the diameter and the pitch of the spiral blade 13 in the middle section, increasing the temperature of the heating resistance wire 14 in the spiral blade 13, and further baking and dehydrating the sludge;
s34, the diameter and the pitch of the rear spiral blade 13 are further increased, the temperature of the heating resistance wire 14 in the spiral blade 13 is further increased, and the sludge is finally baked and dehydrated;
and S35, discharging.
The working principle of the invention is as follows: in the process of sludge recovery, the sludge needs to be dewatered. However, the traditional sludge dewatering process has the disadvantages of large water content of dewatered sludge, poor dewatering effect, high dewatering energy consumption, complex dewatering process and high equipment processing cost. The invention provides a recycled sludge grading and drying device 1 and a process, which can effectively improve the dehydration effect of sludge, reduce the production energy consumption and reduce the production cost.
After starting the equipment, throwing the mud after the filter-pressing into feeder hopper 21, crushing roller 22 carries out the mud after the filter-pressing and breaks, and the mud after the breakage gets into silo 11 through the feed inlet of silo 11 from the discharge gate of feeder hopper 21. After mud got into silo 11, pivoted carried axle 12 to drive helical blade 13 and rotate, and then drive mud and remove to the discharge gate of silo 11, the helical blade 13 of anterior segment carries out preliminary dehydration to mud. The diameter of the spiral blade 13 in the middle section is increased, the pitch is increased, the temperature of the heating resistance wire 14 in the spiral blade 13 is increased, and further the sludge is baked and dehydrated. The diameter of the spiral blade 13 of the rear section is further increased, the pitch is further increased, the temperature of the heating resistance wire 14 in the spiral blade 13 is further increased, the sludge is finally roasted and dehydrated, and the recovered sludge after the dehydration is discharged from the discharge hole of the trough 11.
The recycled sludge grading and drying device 1 is provided with the conveying shaft 12, the conveying shaft 12 is provided with the spiral blade 13, the heating resistance wire 14 is arranged in the spiral blade 13, when the recycled sludge is conveyed, the recycled sludge is heated and dried in the conveying process, the production efficiency is high, the structure is simple, and the production cost is low. The diameter of helical blade 13 gradually increases along the direction of the directional discharge gate of feed inlet of silo 11, and the pitch of helical blade 13 gradually increases along the direction of the directional discharge gate of feed inlet of silo 11, and the area of contact of helical blade 13 and recovery mud gradually increases, makes helical blade 13 carry out stage drying to retrieving mud, when improving the dry effect of recovery mud, can effectively reduce the production energy consumption. Heating temperature is controlled by heating resistance wires 14 in the spiral blades 13 in sections at the spiral blades 13, so that the drying process can be controlled, heating energy is reasonably distributed, production energy consumption is further reduced, and further production cost is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A recycled sludge staged drying device (1) characterized by comprising:
the drying device (1) is provided with a trough (11), a conveying shaft (12) is installed on the trough (11), the conveying shaft (12) is arranged along the direction of a feed inlet of the trough (11) pointing to a discharge outlet, a spiral blade (13) is arranged on the conveying shaft (12), and a heating resistance wire (14) is arranged in the spiral blade (13);
the crushing device (2) is provided with a feed hopper (21), and the feed hopper (21) is provided with a crushing roller (22);
the crushing device (2) is arranged above the drying device (1), and a discharge hole of the crushing device (2) is in butt joint with a feed inlet of the drying device (1).
2. A recycled sludge staged drying device (1) according to claim 1, wherein the diameter of the helical blade (13) is gradually increased along the direction from the inlet to the outlet of the trough (11).
3. A recycled sludge staged drying device (1) according to claim 1, wherein the pitch of the helical blade (13) is gradually increased along the direction from the inlet of the trough (11) to the outlet.
4. The recycled sludge staged drying device (1) according to claim 1, wherein the heating resistance wires (14) control the heating temperature in sections of the helical blades (13).
5. A recycled sludge staged drying device (1) according to claim 1, wherein the drying device (1) is provided with a first motor (15), said first motor (15) being connected to the conveyor shaft (12).
6. A recycled sludge staged drying device (1) according to claim 1, wherein the crushing roller (22) is provided with crushing blades (23), said crushing blades (23) being arranged circumferentially alternately at intervals along the crushing roller (22).
7. A recycled sludge staged drying device (1) according to claim 1, wherein the crushing device (2) is provided with a second motor (24), said second motor (24) being connected to the crushing roller (22).
8. A recycled sludge fractional drying process using the recycled sludge fractional drying apparatus (1) of any one of claims 1 to 7 for drying, characterized in that the drying step comprises:
s1, starting equipment;
s2, crushing;
s3, grading and drying;
and S4, discharging.
9. The recycled sludge staged drying process as claimed in claim 8, wherein the crushing step comprises:
s21, putting the sludge subjected to filter pressing into the feed hopper (21);
s22, crushing the sludge subjected to filter pressing by the crushing roller (22);
s23, feeding the crushed sludge into the trough (11) from the discharge hole of the feed hopper (21) through the feed inlet of the trough (11).
10. The recycled sludge staged drying process as claimed in claim 8, wherein the staged drying step comprises:
s31, after the sludge enters the trough (11), the rotating conveying shaft (12) drives the helical blade (13) to rotate, and then the sludge is driven to move towards the discharge hole of the trough (11);
s32, primarily dewatering the sludge by the spiral blade (13) at the front section;
s33, the diameter of the spiral blade (13) in the middle section is increased, the pitch is increased, the temperature of the heating resistance wire (14) in the spiral blade (13) is increased, and further baking and dewatering are carried out on sludge;
s34, further increasing the diameter and the pitch of the spiral blade (13) at the rear section, further increasing the temperature of the heating resistance wire (14) in the spiral blade (13), and finally baking and dehydrating the sludge;
and S35, discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111325432.6A CN113955916A (en) | 2021-11-10 | 2021-11-10 | Recycled sludge grading drying device and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111325432.6A CN113955916A (en) | 2021-11-10 | 2021-11-10 | Recycled sludge grading drying device and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113955916A true CN113955916A (en) | 2022-01-21 |
Family
ID=79469807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111325432.6A Withdrawn CN113955916A (en) | 2021-11-10 | 2021-11-10 | Recycled sludge grading drying device and process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113955916A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202272807U (en) * | 2011-09-19 | 2012-06-13 | 镇江维赛科技发展有限公司 | Sludge-dewatering dryer |
| CN103693829A (en) * | 2013-12-23 | 2014-04-02 | 常州市新港热电有限公司 | Sludge treatment equipment and process |
| CN106630539A (en) * | 2017-01-18 | 2017-05-10 | 成都天润泽环保科技有限公司 | Low-temperature drying device for sludge |
| CN112279491A (en) * | 2020-12-25 | 2021-01-29 | 湖南仁天环保工程有限公司 | Variable-pitch hollow helical blade rotary sludge drying furnace |
-
2021
- 2021-11-10 CN CN202111325432.6A patent/CN113955916A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202272807U (en) * | 2011-09-19 | 2012-06-13 | 镇江维赛科技发展有限公司 | Sludge-dewatering dryer |
| CN103693829A (en) * | 2013-12-23 | 2014-04-02 | 常州市新港热电有限公司 | Sludge treatment equipment and process |
| CN106630539A (en) * | 2017-01-18 | 2017-05-10 | 成都天润泽环保科技有限公司 | Low-temperature drying device for sludge |
| CN112279491A (en) * | 2020-12-25 | 2021-01-29 | 湖南仁天环保工程有限公司 | Variable-pitch hollow helical blade rotary sludge drying furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207236049U (en) | A kind of feed granulating equipment | |
| CN205357214U (en) | Blue or green feed processing equipment | |
| CN207688530U (en) | A kind of centrifugal energy saving feed drying device | |
| CN106717675A (en) | Integrated form straw millstone | |
| CN204438700U (en) | A kind of biomass material drying unit | |
| CN107371290A (en) | A kind of microwave ore heater box | |
| CN104139470B (en) | A kind of thin film class technics of reclaim of plastic waste recycling washing, purifying system | |
| CN113955916A (en) | Recycled sludge grading drying device and process | |
| CN105618213B (en) | A kind of feed-processing equipment of new crushing/dewatering | |
| CN104139471B (en) | Thin film type waste plastic recycling, reusing, washing and purifying method | |
| CN108949352A (en) | A kind of continuous production extracts the extract equipment of natural cinnamon oil | |
| CN203994326U (en) | A kind of film class technics of reclaim of plastic waste recycling washing, purifying system | |
| CN204773137U (en) | Surplus plastics cleaning system that selects separately in kitchen | |
| CN202286146U (en) | Waste vegetable dehydration production line | |
| CN110713858A (en) | Full-automatic frequency-conversion intelligent temperature-control charcoal-making flow production line | |
| CN212877430U (en) | Two-stage unfreezing device for white-strip chicken | |
| CN215736775U (en) | Sesame peeling machine is with peeling mechanism | |
| CN219415609U (en) | Quick drying-machine of manganese ore | |
| CN218210520U (en) | Chinese-medicinal material drying device with screening function | |
| CN215455110U (en) | High-efficient cereal drying device | |
| CN219913873U (en) | Scraper conveyor dewatering device for coal dressing | |
| CN212299674U (en) | Energy-concerving and environment-protective shredded coconut meat low temperature drying is equipped | |
| CN216996229U (en) | Mineral powder conveying device for mineral powder production | |
| CN209672755U (en) | Flash dryer is used in a kind of processing of by-product conductive black | |
| CN215295738U (en) | Drying device for concentrated feed production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220121 |