CN114455800A - Deep dehydration process for sludge - Google Patents
Deep dehydration process for sludge Download PDFInfo
- Publication number
- CN114455800A CN114455800A CN202111636970.7A CN202111636970A CN114455800A CN 114455800 A CN114455800 A CN 114455800A CN 202111636970 A CN202111636970 A CN 202111636970A CN 114455800 A CN114455800 A CN 114455800A
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- China
- Prior art keywords
- sludge
- fixedly connected
- storage tank
- auxiliary material
- mesh belt
- Prior art date
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- 239000010802 sludge Substances 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000018044 dehydration Effects 0.000 title abstract description 9
- 238000006297 dehydration reaction Methods 0.000 title abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000011010 flushing procedure Methods 0.000 claims abstract description 27
- 230000007797 corrosion Effects 0.000 claims abstract description 14
- 238000005260 corrosion Methods 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of ecological environment improvement equipment, in particular to a sludge deep dehydration process, wherein the lower end of a sludge modulator storage tank is fixedly connected with a corrosion-resistant dosing pump, the right side of the sludge modulator storage tank is fixedly connected with an auxiliary material bin, the lower end of the auxiliary material bin is fixedly connected with an auxiliary material quantitative dosing system, the right side of the auxiliary material bin is fixedly connected with a mesh belt flushing water pump, the right side of the mesh belt flushing water pump is fixedly connected with a mesh belt flushing water tank, the lower end of the sludge modulator storage tank is fixedly connected with a raw sludge transport vehicle, the lower end of the raw sludge transport vehicle is fixedly connected with a sludge storage tank, the inner part of the sludge storage tank is fixedly connected with a quantitative screw conveyor, the tail end of the quantitative screw conveyor is fixedly connected with a scraper conveyor, and the tail end of the scraper conveyor is fixedly connected with a double-screw mixer, the tail end of the double-spiral mixer is fixedly connected with an ultra-efficient high-dry extruder.
Description
Technical Field
The invention relates to the technical field of ecological environment improvement equipment, in particular to a sludge deep dehydration process.
Background
With the continuous improvement of the treatment requirements of China on various solid wastes and hazardous waste garbage, the traditional solid-liquid separation equipment is difficult to meet the requirements, the patent is a novel sludge deep dehydration process, the water content of sludge can be further reduced, and the purpose of sludge reduction is achieved, for example, biochemical sludge is taken, when the water content is reduced to be below 60%, the energy consumed by further treatment of the rear section of the sludge is greatly reduced, and a good promoting effect is achieved for recycling the sludge;
in the existing sludge treatment technology:
1. secondary pollution is easily caused when sludge is buried, and the remote treatment and transportation cost is high;
2. the sludge treated by the existing sludge treatment equipment and process has high water content and is very inconvenient to bury and transport;
3. the low-temperature drier has higher operation cost for drying the sludge with the water content of 80 percent.
Disclosure of Invention
The invention aims to provide a sludge deep dehydration process aiming at the defects of the prior art so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a sludge deep dehydration process comprises a sludge modulator storage tank, wherein the lower end of the sludge modulator storage tank is fixedly connected with a corrosion-resistant dosing pump, the right side of the sludge modulator storage tank is fixedly connected with an auxiliary material bin, the lower end of the auxiliary material bin is fixedly connected with an auxiliary material quantitative dosing system, the right side of the auxiliary material bin is fixedly connected with a mesh belt flushing water pump, the right side of the mesh belt flushing water pump is fixedly connected with a mesh belt flushing water tank, the lower end of the sludge modulator storage tank is fixedly connected with a raw sludge transport vehicle, the lower end of the raw sludge transport vehicle is fixedly connected with a sludge storage tank, the inside of the sludge storage tank is fixedly connected with a quantitative screw conveyor, the tail end of the quantitative screw conveyor is fixedly connected with a scraper conveyor, the tail end of the scraper conveyor is fixedly connected with a double-screw mixer, and the tail end of the double-screw mixer is fixedly connected with a super-efficient high-dry extruder, the lower extreme fixedly connected with screw conveyer of super high-efficient high dry extruder, screw conveyer's end fixedly connected with band conveyer.
As a preferred technical scheme of the invention, the sludge modulator storage tank, the auxiliary material bin and the mesh belt flushing water tank are distributed on the same horizontal line, meanwhile, the height of the sludge modulator storage tank is smaller than that of the auxiliary material bin, and the height of the sludge modulator storage tank is larger than that of the mesh belt flushing water tank, so that the control capability of the whole device is enhanced to the maximum extent, and the practicability of the whole device is ensured.
As a preferred technical scheme of the invention, the auxiliary material quantitative adding system is arranged at the lower end of the auxiliary material bin and is positioned at the right side of the sludge conditioning agent storage tank, meanwhile, the tail end of the auxiliary material quantitative adding system extends out of the lower end of the left side of the auxiliary material bin,
as a preferable technical scheme of the invention, the scraper conveyer is arranged outside the right side of the lower end of the quantitative spiral conveyer, the tail end of the scraper conveyer is arranged above the left tail end of the double-helix mixer, and the scraper conveyer is distributed between the quantitative spiral conveyer and the double-helix mixer in an oblique angle, so that the stability of each component is effectively enhanced, and the supporting force of the whole device is enhanced.
As a preferable technical scheme, the corrosion-resistant dosing pump and the mesh belt flushing water pump are distributed on the same horizontal line, the corrosion-resistant dosing pump is positioned on the right side of the lower end of the sludge conditioning agent storage tank, the mesh belt flushing water pump is positioned on the left side of the lower end of the mesh belt flushing water tank, and the corrosion-resistant dosing pump and the mesh belt flushing water pump are distributed in a relative manner, so that the flexibility of the whole device is better enhanced, and the use experience is improved.
The invention has the beneficial effects that:
1. the water content of the sludge to be treated is reduced, and the operating cost of subsequent treatment is reduced;
2. the water content of the sludge to be treated is reduced, and the subsequent landfill and transportation efficiency is improved;
3. the whole process is controlled by a PLC and can be automatically operated.
Drawings
FIG. 1 is a schematic view of the whole structure of the present invention;
fig. 2 is a schematic diagram of the overall system operation of the present invention.
In the figure: 1. a sludge conditioning agent storage tank; 2. a corrosion-resistant dosing pump; 3. an auxiliary material bin; 4. an auxiliary material quantitative feeding system; 5. a mesh belt washing water pump; 6. a mesh belt flushing tank; 7. a raw mud transport vehicle; 8. a sludge storage tank; 9. a quantitative screw conveyor; 10. a scraper conveyor; 11. a double helix mixer; 12. an ultra-efficient high-dry extruder; 13. a screw conveyor; 14. a belt conveyor.
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.
Referring to fig. 1-2, in this embodiment: a deep dehydration process for sludge comprises a sludge modulator storage tank 1, wherein the lower end of the sludge modulator storage tank 1 is fixedly connected with a corrosion-resistant dosing pump 2, the control capability of the whole device is enhanced, the right side of the sludge modulator storage tank 1 is fixedly connected with an auxiliary material bin 3, the stability of each component is enhanced, the lower end of the auxiliary material bin 3 is fixedly connected with an auxiliary material quantitative dosing system 4, the flexibility of the whole device is enhanced, the right side of the auxiliary material bin 3 is fixedly connected with a mesh belt flushing water pump 5, the use effect of the whole device is enhanced, the right side of the mesh belt flushing water pump 5 is fixedly connected with a mesh belt flushing water tank 6, the use of the whole device is protected, the lower end of the sludge modulator storage tank 1 is fixedly connected with a raw sludge transport vehicle 7, the balance of the whole device is enhanced, the lower end of the raw sludge transport vehicle 7 is fixedly connected with a sludge storage tank 8, the maneuverability of the whole device is enhanced, the inside fixedly connected with quantitative screw conveyer 9 of the sludge storage tank 8, the practical performance of the whole device is enhanced, the terminal fixedly connected with scraper conveyer 10 of the quantitative screw conveyer 9, the control performance of workers to the whole device is increased, the terminal fixedly connected with double-screw mixer 11 of the scraper conveyer 10 is enhanced, the practical performance of the whole device is enhanced, the terminal fixedly connected with super-efficient high-dry extruder 12 of the double-screw mixer 11 is stabilized, the range of the position and the angle of the whole structure during the common operation is stabilized, the lower end fixedly connected with screw conveyer 13 of the super-efficient high-dry extruder 12 is enhanced, the mechanical potential energy of the whole device during the operation is enhanced, the terminal fixedly connected with belt conveyer 14 of the screw conveyer 13 is increased, and the use convenience is improved.
In the embodiment, the sludge modulator storage tank 1, the auxiliary material bin 3 and the mesh belt flushing water tank 6 are distributed on the same horizontal line, meanwhile, the height of the sludge modulator storage tank 1 is smaller than that of the auxiliary material bin 3, and the height of the sludge modulator storage tank 1 is larger than that of the mesh belt flushing water tank 6, so that the flexibility of the whole device is better enhanced, and the device can still be normally used when being mounted again after being dismounted; the auxiliary material quantitative adding system 4 is arranged at the lower end of the auxiliary material bin 3 and is positioned on the right side of the sludge modulator storage tank 1, meanwhile, the tail end of the auxiliary material quantitative adding system 4 extends out of the lower end of the left side of the auxiliary material bin 3, and the structures are utilized to carry out mechanical movement together, so that the integral device is guaranteed to furthest reduce the possible fault to the minimum in the operation process; the scraper conveyer 10 is arranged outside the right side of the lower end of the quantitative spiral conveyer 9, meanwhile, the tail end of the scraper conveyer 10 is arranged above the tail end of the left side of the double-spiral mixer 11, the scraper conveyer 10 is distributed between the quantitative spiral conveyer 9 and the double-spiral mixer 11 in an oblique angle, mechanical potential energy of the whole device in the operation process is strengthened more strongly, and loss of force generated in the operation process of the whole device is saved; corrosion-resistant dosing pump 2 and guipure flush pump 5 distribute on same water flat line, and corrosion-resistant dosing pump 2 is located the lower extreme right side of sludge conditioning agent holding vessel 1 simultaneously, and guipure flush pump 5 is located the lower extreme left side of guipure flush tank 6, is relative situation distribution between corrosion-resistant dosing pump 2 and the guipure flush pump 5, and strict definite stable all structures move together its position and the scope of angle, avoided the whole device to take place the condition of hindering mutually at the in-process of operation.
The working principle is as follows: when in use, referring to fig. 1-2, sludge is conveyed into a sludge storage tank 8 by a raw sludge transport vehicle 7, then quantitatively conveyed to a scraper conveyor 10 by a quantitative screw conveyor 9, conveyed to a double-screw mixer 11 by the scraper conveyor 10, added with a sludge modifying agent at the front end of the double-screw mixer 11, fully mixed with the sludge, added with auxiliary materials at the middle section for fully mixing, and finally enters an ultra-efficient high-dry extruder 12 for dehydration, so as to realize the purpose of solid-liquid separation, the auxiliary materials need to be quantitatively added and are realized by an auxiliary material bin 3 and an auxiliary material quantitative adding system 4, a mesh belt needs to be washed to realize the purpose of recycling, the mesh belt washing water pump 5 and a washing mesh belt water tank 6 are used for realizing, and the sludge is conveyed to a specified place for periodic outward transportation by a screw conveyor 13 and a belt conveyor 14 after being discharged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (5)
1. The deep sludge dewatering process comprises a sludge modulator storage tank (1), and is characterized in that: the lower end of the sludge modulator storage tank (1) is fixedly connected with a corrosion-resistant dosing pump (2), the right side of the sludge modulator storage tank (1) is fixedly connected with an auxiliary material bin (3), the lower end of the auxiliary material bin (3) is fixedly connected with an auxiliary material quantitative dosing system (4), the right side of the auxiliary material bin (3) is fixedly connected with a mesh belt flushing water pump (5), the right side of the mesh belt flushing water pump (5) is fixedly connected with a mesh belt flushing water tank (6), the lower end of the sludge modulator storage tank (1) is fixedly connected with a raw sludge transport vehicle (7), the lower end of the raw sludge transport vehicle (7) is fixedly connected with a sludge storage tank (8), the inside of the sludge storage tank (8) is fixedly connected with a quantitative screw conveyor (9), and the tail end of the quantitative screw conveyor (9) is fixedly connected with a scraper conveyor (10), the end fixedly connected with double helix blender (11) of scraper conveyor (10), the super high dry extruder (12) of end fixedly connected with of double helix blender (11), the lower extreme fixedly connected with screw conveyer (13) of super high dry extruder (12), the end fixedly connected with belt conveyor (14) of screw conveyer (13).
2. The deep sludge dewatering process according to claim 1, characterized in that: the sludge modulator storage tank (1), the auxiliary material bin (3) and the mesh belt flushing water tank (6) are distributed on the same horizontal line, meanwhile, the height of the sludge modulator storage tank (1) is smaller than that of the auxiliary material bin (3), and the height of the sludge modulator storage tank (1) is larger than that of the mesh belt flushing water tank (6).
3. The deep sludge dewatering process according to claim 1, characterized in that: the auxiliary material quantitative adding system (4) is installed at the lower end of the auxiliary material bin (3) and located on the right side of the sludge conditioning agent storage tank (1), and meanwhile the tail end of the auxiliary material quantitative adding system (4) extends out of the lower end of the left side of the auxiliary material bin (3).
4. The deep sludge dewatering process according to claim 1, characterized in that: the scraper conveyor (10) is arranged outside the right side of the lower end of the quantitative screw conveyor (9), meanwhile, the tail end of the scraper conveyor (10) is arranged above the tail end of the left side of the double-helix mixer (11), and the scraper conveyor (10) is distributed between the quantitative screw conveyor (9) and the double-helix mixer (11) in an oblique angle mode.
5. The deep sludge dewatering process according to claim 1, characterized in that: the corrosion-resistant dosing pump (2) and the mesh belt flushing water pump (5) are distributed on the same horizontal line, the corrosion-resistant dosing pump (2) is located on the right side of the lower end of the sludge conditioning agent storage tank (1), the mesh belt flushing water pump (5) is located on the left side of the lower end of the mesh belt flushing water tank (6), and the corrosion-resistant dosing pump (2) and the mesh belt flushing water pump (5) are distributed in a relative situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111636970.7A CN114455800A (en) | 2021-12-30 | 2021-12-30 | Deep dehydration process for sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111636970.7A CN114455800A (en) | 2021-12-30 | 2021-12-30 | Deep dehydration process for sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114455800A true CN114455800A (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111636970.7A Pending CN114455800A (en) | 2021-12-30 | 2021-12-30 | Deep dehydration process for sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114455800A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116903209A (en) * | 2023-09-05 | 2023-10-20 | 深圳双沃生态环境科技有限公司 | Material receiving, buffering and quantitative discharging system for pasty materials |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205473318U (en) * | 2016-03-18 | 2016-08-17 | 郑州宇通环保科技有限公司 | Dehydration mud secondary degree of depth dewatering device |
| WO2019066156A1 (en) * | 2017-09-26 | 2019-04-04 | 주식회사 한강이앰피 | Highly efficient reaction tank and high-speed organic sludge drying system using same |
| CN212315894U (en) * | 2019-12-31 | 2021-01-08 | 常州市深水城北污水处理有限公司 | Sludge dewatering system |
| CN112452037A (en) * | 2020-11-13 | 2021-03-09 | 王琳 | Belt filter press for sludge dewatering with backwash function |
-
2021
- 2021-12-30 CN CN202111636970.7A patent/CN114455800A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205473318U (en) * | 2016-03-18 | 2016-08-17 | 郑州宇通环保科技有限公司 | Dehydration mud secondary degree of depth dewatering device |
| WO2019066156A1 (en) * | 2017-09-26 | 2019-04-04 | 주식회사 한강이앰피 | Highly efficient reaction tank and high-speed organic sludge drying system using same |
| CN212315894U (en) * | 2019-12-31 | 2021-01-08 | 常州市深水城北污水处理有限公司 | Sludge dewatering system |
| CN112452037A (en) * | 2020-11-13 | 2021-03-09 | 王琳 | Belt filter press for sludge dewatering with backwash function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116903209A (en) * | 2023-09-05 | 2023-10-20 | 深圳双沃生态环境科技有限公司 | Material receiving, buffering and quantitative discharging system for pasty materials |
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Application publication date: 20220510 |
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