CN220116414U - Wind-solar complementary sludge treatment system - Google Patents
Wind-solar complementary sludge treatment system Download PDFInfo
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- CN220116414U CN220116414U CN202320156100.8U CN202320156100U CN220116414U CN 220116414 U CN220116414 U CN 220116414U CN 202320156100 U CN202320156100 U CN 202320156100U CN 220116414 U CN220116414 U CN 220116414U
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- Prior art keywords
- wind
- sludge
- solar
- solar complementary
- temperature drying
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- 239000010802 sludge Substances 0.000 title claims abstract description 82
- 230000000295 complement effect Effects 0.000 title claims abstract description 35
- 238000001035 drying Methods 0.000 claims abstract description 33
- 230000018044 dehydration Effects 0.000 claims abstract description 25
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 25
- 238000005370 electroosmosis Methods 0.000 claims abstract description 19
- 238000004146 energy storage Methods 0.000 claims abstract description 16
- 238000010248 power generation Methods 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a wind-solar complementary sludge treatment system. The sludge centrifugal treatment device (5), the electroosmosis dehydration device and the low-temperature drying box (9) are sequentially connected, an outlet of the sludge centrifugal treatment device (5) is connected with an inlet of the electroosmosis dehydration device through a sludge conveying device (6), and an outlet of the electroosmosis dehydration device is connected with an inlet of the low-temperature drying device (9) through the sludge conveying device (6); the electro-osmotic dehydration device comprises a power supply (8) and an electro-osmotic dehydration machine (7); the power supply (8) is connected with a wind-solar complementary power generation device; the wind-solar complementary power generation device comprises a solar panel (1), a wind driven generator (2), a wind-solar complementary controller (3) and an energy storage battery pack (4). The utility model adopts a grading treatment mode to reduce the water content of the sludge, and the electric energy used in the treatment process is generated by the wind-solar complementary power generation device, so that the utilization of renewable energy sources is fully realized, the carbon emission is reduced, and the aim of environmental protection is achieved.
Description
Technical Field
The utility model belongs to the technical field of sludge treatment, and particularly relates to a wind-solar complementary sludge treatment system.
Background
How to reduce the total amount of sludge is the first problem of the goal of sludge treatment of 'reduction, stabilization, harmlessness and recycling'. Therefore, sludge dewatering and drying are effective treatment modes for reducing the water content of sludge and reducing the water content of sludge.
Sludge produced by domestic town sewage treatment plants is generally treated in disposal modes such as landfill, composting, natural drying and the like after preliminary dehydration by a belt filter press, a centrifuge and the like, and the water content is still high and secondary pollution is easily caused.
The current common sludge dewatering and drying technology comprises a mechanical filter pressing technology, a natural drying technology, a thermal drying technology and the like. However, each of the techniques has a limit to a certain extent, and the reduction efficiency is not high enough. Meanwhile, a large amount of electric energy is required to provide energy support, which causes a large amount of electric power consumption and carbon emission.
Wind energy and solar energy are a big hot spot in the renewable energy source field, and have no pollution and zero emission. However, wind and solar energy are limited by seasonal changes and weather conditions and are characterized by instability and discontinuity.
Disclosure of Invention
The utility model provides a wind-solar complementary sludge treatment system aiming at the defects in the prior art.
The technical scheme of the utility model is as follows: the system comprises a wind-solar complementary sludge treatment system, a sludge centrifugal treatment device, an electroosmosis dehydration device and a low-temperature drying box which are sequentially connected, wherein an outlet of the sludge centrifugal treatment device is connected with an inlet of the electroosmosis dehydration device through a sludge conveying device, and an outlet of the electroosmosis dehydration device is connected with an inlet of the low-temperature drying device through the sludge conveying device; the electroosmosis dewatering device comprises a power supply and an electroosmosis dewatering machine; the power supply is connected with the wind-solar complementary power generation device; the wind-solar complementary power generation device comprises a solar panel, a wind driven generator, a wind-solar complementary controller and an energy storage battery pack; the solar panel and the wind driven generator are connected in parallel to a wind-light complementary controller, and the wind-light complementary controller is connected with an energy storage battery pack.
According to the embodiment of the utility model, a heat pump and a solar panel are connected above the low-temperature drying device.
According to the embodiment of the utility model, the low-temperature drying box comprises a circulating fan and a net-shaped conveying belt.
According to the embodiment of the utility model, the energy storage battery pack comprises a storage battery and a capacitor; connected in parallel.
The wind-solar complementary power generation device supplies energy for all subsequent devices.
The direct current generated by the wind-light generating device is transmitted to subsequent equipment needing electric power through the wind-light complementary controller, and the residual electric energy is converted into alternating current through the wind-light generating system controller and is transmitted to the energy storage battery pack for storage, so that electric energy can be provided when the subsequent wind energy and solar energy are unstable.
The parallel structure of the energy storage battery pack better realizes the power transmission and discharge efficiency of the energy storage battery pack.
The wind-solar complementary device provides direct-current voltage for a power supply, and dehydration is performed by utilizing the phenomenon that sludge particles and water molecules are separated and moved in opposite polarity directions.
The sludge centrifugal treatment device can treat sludge with the water content of more than 99 percent to the water content of about 80 percent.
The electroosmosis dewatering machine can treat sludge with the water content of 80% to the water content of less than 60%.
The heat required by the heat pump is provided by the solar panel; the low-temperature drying device can treat sludge with the water content of 60% to the water content of 30% -40%.
The method for saving and reducing the energy of the sludge treatment by using the system comprises the following steps: the sludge enters the sludge centrifugal treatment device, and the free water is separated and discharged through high-speed rotation by utilizing the density difference of the sludge and the water. Sludge is discharged from an outlet of the sludge centrifugal treatment device.
And the sludge discharged from the outlet of the sludge centrifugal treatment device enters the electroosmosis dehydration device through the sludge conveying device, and is dehydrated by utilizing the phenomenon that sludge particles and water molecules are separated and moved in opposite polarity directions under the action of direct-current voltage, so that bound water and sludge are separated.
And the sludge discharged from the outlet of the electroosmosis dehydration device enters the low-temperature drying device through the sludge conveying device.
The heat pump supplies the energy provided by solar energy to a circulating fan in the low-temperature drying box, hot air is conveyed into the box body through the circulating fan, the hot air respectively passes through three layers of net-shaped conveyor belts in the circulation process in the box, the moisture in the sludge is evaporated through heat drying, and the wet and hot air generated by evaporation is conveyed back to the box body after being dehumidified by a heat recovery pump and is circulated and reciprocated.
When solar energy is unstable due to the change of weather conditions, circulating hot air in the drying box provides a heat source for the heat pump.
And the dried sludge is discharged from the outlet of the low-temperature drying device.
The beneficial technical effects of the utility model are as follows: the water content of the sludge is reduced by adopting a grading treatment mode. Firstly, the water content of the sludge is reduced to 80% through centrifugal treatment, secondly, the water content of the sludge is reduced to 60% through electroosmosis treatment, and finally, the water content of the sludge is reduced to 30% -40% through low-temperature drying treatment, so that the heat loss is small, no waste gas is discharged, and the system effectively improves the reduction efficiency of the sludge. Meanwhile, the electric energy used in the treatment process is generated through the wind-solar complementary power generation device, so that the utilization of renewable energy sources is fully realized, the carbon emission is reduced, and the aim of environmental friendliness is fulfilled.
Drawings
FIG. 1 is a diagram of a wind-solar complementary sludge treatment system.
In the figure: 1-a solar panel; 2-a wind power generator; 3-a wind-light power generation system controller; 4-an energy storage battery; 5-a sludge centrifugal treatment device; 6-a sludge conveying device; 7-electroosmosis dehydration device; 8-a power supply; 9-a low-temperature drying box; 10-a heat pump; 11-a circulating fan; 12-mesh conveyor belt; 13-sludge inlet; 14-sludge outlet.
Description of the embodiments
The technical scheme of the utility model will be further described with reference to the accompanying drawings.
The system comprises a wind-solar complementary sludge treatment system, a sludge centrifugal treatment device 5, an electro-osmotic dehydration device and a low-temperature drying box 9 which are sequentially connected, wherein an outlet of the sludge centrifugal treatment device 5 is connected with an inlet of the electro-osmotic dehydration device through a sludge conveying device 6, and an outlet of the electro-osmotic dehydration device is connected with an inlet of the low-temperature drying device 9 through the sludge conveying device 6; the electro-osmotic dehydration device comprises a power supply 8 and an electro-osmotic dehydrator 7; the power supply 8 is connected with a wind-solar complementary power generation device; the wind-solar complementary power generation device comprises a solar panel 1, a wind driven generator 2, a wind-solar complementary controller 3 and an energy storage battery pack 4; the solar panel 1 and the wind driven generator 2 are connected in parallel to the wind-light complementary controller 3, and the wind-light complementary controller 3 is connected with the energy storage battery pack 4.
A heat pump 10 and a solar panel 1 are connected above the low-temperature drying device 9; the low-temperature drying box 9 comprises a circulating fan 11 and a net-shaped conveying belt 12.
The direct current generated by the wind-light generating device is transmitted to subsequent equipment needing electric power through the wind-light generating system controller 3, and the residual electric quantity is converted into alternating current through the wind-light generating system controller 3 and transmitted to the energy storage battery pack 4 so as to still provide electric energy when the subsequent wind energy and solar energy are unstable. The energy storage battery pack 4 consists of a storage battery and a capacitor, so that a parallel structure is realized, and the power transmission and discharge efficiency of the energy storage battery pack 4 is better realized.
Sludge enters the sludge centrifugal treatment device 5 through a sludge inlet 13, and free water is separated and discharged through high-speed rotation by utilizing the density difference of the sludge and the water.
The centrifuged sludge is discharged from the outlet of the sludge centrifugal treatment device 4.
The discharged sludge enters the electroosmosis dehydration device through the sludge conveying device 6, and is dehydrated by utilizing the phenomenon that sludge particles and water molecules are separated and moved in opposite polarity directions under the action of direct-current voltage, so as to separate the combined water and the sludge.
The dehydrated sludge is discharged from the outlet of the electroosmosis dehydration device and is conveyed into the low-temperature drying device 9 through the sludge conveying device 6.
The heat pump 10 supplies energy provided by the solar panel 1 to the circulating fan 11 of the low-temperature drying box 9, hot air is conveyed into the box body through the circulating fan 11, the hot air respectively passes through three layers of net-shaped conveyor belts 12 in the circulation process in the box, moisture in sludge is evaporated through heat drying, and moist heat air generated by evaporation is conveyed back to the heat pump 10 for dehumidification and then is conveyed back to the box body for circulation and reciprocation.
The circulating hot air in the low temperature drying box 9 provides a source of heat for the heat pump 10 when the solar energy is unstable due to the change of weather conditions.
The dried sludge is discharged from the sludge outlet 14 of the low-temperature drying device.
While examples of the present utility model have been shown and described above, it will be understood that the above examples are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made to the above examples by one of ordinary skill in the art within the scope of the utility model.
Claims (4)
1. The wind-solar complementary sludge treatment system is characterized by comprising a sludge centrifugal treatment device (5), an electroosmosis dehydration device and a low-temperature drying box (9); the sludge centrifugal treatment device (5), the electroosmosis dehydration device and the low-temperature drying box (9) are sequentially connected, an outlet of the sludge centrifugal treatment device (5) is connected with an inlet of the electroosmosis dehydration device through a sludge conveying device (6), and an outlet of the electroosmosis dehydration device is connected with an inlet of the low-temperature drying box (9) through the sludge conveying device (6); the electro-osmotic dehydration device comprises a power supply (8) and an electro-osmotic dehydration machine (7); the power supply (8) is connected with a wind-solar complementary power generation device; the wind-solar complementary power generation device comprises a solar panel (1), a wind driven generator (2), a wind-solar complementary controller (3) and an energy storage battery pack (4); the solar panel (1) and the wind driven generator (2) are connected in parallel to the wind-light complementary controller (3), and the wind-light complementary controller (3) is connected with the energy storage battery pack (4).
2. The wind-solar complementary sludge treatment system according to claim 1 is characterized in that a heat pump (10) and a solar panel (1) are connected above the low-temperature drying box (9).
3. A wind-solar complementary sludge treatment system according to claim 1, characterized in that the low-temperature drying box (9) comprises a circulating fan (11) and a net-shaped conveyor belt (12).
4. A wind-solar complementary sludge treatment system according to claim 1, characterized in that the energy storage battery (4) comprises a storage battery, a capacitor; the storage battery and the capacitor are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320156100.8U CN220116414U (en) | 2023-02-08 | 2023-02-08 | Wind-solar complementary sludge treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320156100.8U CN220116414U (en) | 2023-02-08 | 2023-02-08 | Wind-solar complementary sludge treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220116414U true CN220116414U (en) | 2023-12-01 |
Family
ID=88892983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320156100.8U Active CN220116414U (en) | 2023-02-08 | 2023-02-08 | Wind-solar complementary sludge treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220116414U (en) |
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2023
- 2023-02-08 CN CN202320156100.8U patent/CN220116414U/en active Active
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