CN210340663U - Sludge drying system for driving flywheel to store energy by wind power - Google Patents
Sludge drying system for driving flywheel to store energy by wind power Download PDFInfo
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- CN210340663U CN210340663U CN201822200921.9U CN201822200921U CN210340663U CN 210340663 U CN210340663 U CN 210340663U CN 201822200921 U CN201822200921 U CN 201822200921U CN 210340663 U CN210340663 U CN 210340663U
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- sludge drying
- sludge
- flywheel
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
A sludge drying system for driving a flywheel to store energy by wind power is characterized in that a power output end of a wind-driven impeller is connected with a power input end of a gear box, a first power output end and a second power output end of the gear box are respectively connected with a power input of a generator and a power input of a flywheel energy storage device, a spiral stirring blade and an electric heating device are arranged in a sludge drying box, and a rotating shaft of the spiral stirring blade is connected with the power output of the flywheel energy storage device; the electric heating device is connected with a storage battery, and the power of the storage battery is supplied by a generator; the feed inlet intercommunication feeder hopper of sludge drying case, sludge drying case lower extreme are equipped with the discharge gate, and this system can realize the storage of electric energy and the continuous operation of sludge drying system, can save the traditional energy to can effectively improve clean energy's utilization ratio.
Description
Technical Field
The utility model relates to an utilize sludge drying system of wind-force drive flywheel energy storage belongs to wind power generation application technical field.
Background
Along with the improvement of urbanization and living standard of people, the annual total output of municipal sludge in China increases year by year, and exceeds 4000 ten thousand tons by 2018, and the annual output of the municipal sludge in China is estimated to reach 6000 to 9000 ten thousand tons in 2020. However, the sludge treatment rate in China is low, and the sludge treatment rate in 2016 is only 33% in the nation. Sludge is an unavoidable by-product in the sewage treatment process, and generally contains pathogenic microorganisms, parasitic ova, harmful heavy metals and a large amount of difficultly-degradable substances.
At present, the treatment and disposal methods for sludge include landfill, agriculture, composting, incineration, pyrolysis and the like, wherein the incineration treatment method can realize harmlessness, volume reduction, decrement and resource of sludge to the maximum extent, but because the water content of the sludge generated after dehydration in a sewage treatment plant is up to 80%, the sludge is unstable in combustion in an incinerator when directly entering the incinerator, and the dehydrated sludge generally needs to be dried first. Sludge drying generally adopts a coal-fired boiler to generate steam or flue gas, and then sludge is heated and dried by indirect or direct heat exchange, which usually needs to consume a large amount of energy.
Wind energy is used as a clean and pollution-free new energy source, preliminary research and application are carried out in the field of sludge drying, and obvious defects mainly exist in the aspects of electric energy storage and system continuous operation at present.
Disclosure of Invention
Some problems to prior art exist, the utility model provides an utilize sludge drying system of wind-force drive flywheel energy storage, this system can realize the storage of electric energy and the continuous operation of sludge drying system, can save the traditional energy to can effectively improve clean energy's utilization ratio.
In order to achieve the purpose, the utility model provides an utilize sludge drying system of wind-force drive flywheel energy storage, including pnematic impeller, gear box and generator, the power take off end of pnematic impeller is connected with the power input end of gear box, and the first power output shaft of gear box is connected with the power input end of generator, still includes battery, flywheel energy storage equipment and sludge drying case, the power input end of flywheel energy storage equipment be connected with the second power output shaft of gear box;
a spiral stirring blade extending along the length direction of the sludge drying box is arranged in the sludge drying box, and a rotating shaft at the center of the spiral stirring blade is connected with a power output shaft of the flywheel energy storage device;
the sludge drying box is also internally provided with an electric heating device, the electric heating device is connected with the power output end of the storage battery, and the power input end of the storage battery is connected with the power output end of the generator;
the feed inlet on the upper part of the front end of the sludge drying box is communicated with the feed hopper, and the lower part of the rear end of the sludge drying box is provided with a sludge discharge hole.
Further, for the regulation that makes the feeding can be better carry out the feeding volume according to actual need, feeder hopper lower part exit end passes through the feed inlet of frequency conversion screw feeder intercommunication sludge drying case, and the driving motor of frequency conversion screw feeder is connected with the electric power take off of battery.
Further, in order to ensure the use safety of the electric heating device, the electric heating device is arranged in an interlayer of the inner wall of the sludge drying box and is an electric heating sleeve or an electric heating wire.
Further, for providing the water conservancy diversion effect in order to improve ejection of compact efficiency, the rear end of mud discharge gate still is equipped with the mud baffle.
Further, the spiral stirring blade is a solid blade made of carbon steel.
The sludge drying system captures wind energy through the pneumatic impeller, the wind energy is captured to be used as power input of the gear box, the gear box drives the generator to generate power by utilizing a part of kinetic energy, and the generator converts the kinetic energy and then stores electric energy in the storage battery to supply power for the electric heating device in the sludge drying box; the other part of kinetic energy is transmitted to a power input shaft of a flywheel energy storage device, the flywheel energy storage device stores one part of kinetic energy in a rotating flywheel, and simultaneously a power output shaft of the flywheel energy storage device drives a rotating shaft at the center of a spiral stirring blade to rotate so as to stir and heat the sludge in a sludge drying box to accelerate the evaporation of sludge moisture and realize the drying of wet sludge, because the flywheel in the flywheel energy storage device stores the kinetic energy, in this way, in a time period when a pneumatic impeller cannot capture wind energy, the stored energy in the flywheel energy storage device can be used as power for continuously driving the spiral stirring blade, so that the continuous normal operation of the spiral stirring blade under the windless working condition is realized, the continuous heating of an electric heating device is ensured by storing electric energy by a storage battery, the continuous operation of the electric heating device is realized by combining the two, and the sludge drying machine is driven to operate by clean energy, the sludge drying device is simple in structure, easy to implement and popularize, saves the traditional energy, effectively reduces the carbon emission in the sludge drying treatment, and improves the utilization rate of clean energy.
The sludge drying method for driving the flywheel to store energy by wind power also comprises the following steps:
1) conveying wet sludge to be dried into a sludge drying box from a feed hopper;
2) the wind driven impeller outputs captured wind energy to the gear box, a first power output shaft of the gear box is conveyed to a power input end of the generator, the generator converts part of kinetic energy into electric energy and conveys the electric energy to the storage battery, the storage battery supplies power to the electric heating device, and the electric energy is converted into heat energy to heat the sludge drying box;
3) synchronously with the step 2), a second power output shaft of the gear box drives a flywheel energy storage device, the flywheel energy storage device stores a part of kinetic energy in a rotating flywheel, and simultaneously, the power output shaft drives a rotating shaft at the center of a spiral stirring paddle to rotate, so that the sludge in the sludge drying box is stirred and conveyed, the evaporation of the moisture of the sludge is accelerated, and the drying of wet sludge is realized;
4) the dried wet sludge is discharged from the sludge discharge port under the blocking of the sludge baffle plate, so as to be convenient for the next treatment procedure.
Further, in order to adjust the feeding amount conveniently, in the step 1), wet sludge to be dried is conveyed into the sludge drying box from the feed hopper through the variable-frequency screw feeder, and the rotating speed of a driving motor of the variable-frequency screw feeder can be adjusted according to actual feeding requirements.
The sludge drying method has simple steps and easy operation, realizes the storage of electric energy and the continuous operation of the sludge drying system, and improves the utilization rate of clean energy.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the system comprises a pneumatic impeller, 2, a gear box, 3, a generator, 4, a storage battery, 5, a flywheel energy storage device, 6, a spiral stirring blade, 7, a sludge drying box, 8, an electric heating device, 9, a feeding hopper, 10, a sludge baffle, 11, a sludge discharge port, 12 and a variable-frequency spiral feeder.
Detailed Description
The present invention will be further explained below.
As shown in fig. 1, a sludge drying system using wind power to drive a flywheel for energy storage comprises a pneumatic impeller 1, a gear box 2 and a generator 3, wherein the power output end of the pneumatic impeller 1 is connected with the power input end of the gear box 2, the pneumatic impeller 1 is of a three-blade type, and the diameter of each blade is 5 m; the first power output shaft of the gear box 2 is connected with the power input end of the generator 3, and the gear box further comprises a storage battery 4, a flywheel energy storage device 5 and a sludge drying box 7, wherein the rated capacity of the storage battery 4 is 30 KWh.
The power input end of the flywheel energy storage device 5 is connected with the second power output shaft of the gear box 2;
a spiral stirring blade 6 extending along the length direction of the sludge drying box 7 is arranged in the sludge drying box 7, and a rotating shaft at the center of the spiral stirring blade 6 is connected with a power output shaft of the flywheel energy storage device 5;
an electric heating device 8 is also arranged in the sludge drying box 7, the electric heating device 8 is connected with the power output end of the storage battery 4, and the power input end of the storage battery 4 is connected with the power output end of the generator 3; preferably, the electrical heating device 8 has a nominal power of 1 KW.
A feed inlet at the upper part of the front end of the sludge drying box 7 is communicated with a feed hopper 9, and a sludge discharge outlet 11 is arranged at the lower part of the rear end of the sludge drying box 7.
For the regulation of the feeding quantity according to the actual need that makes the feeding can be better, feeder hopper 9 lower part exit end passes through the feed inlet of frequency conversion screw feeder 12 intercommunication sludge drying case 7, and frequency conversion screw feeder 12's driving motor is connected with the power take off end of battery 4.
The rated power of the driving motor of the variable-frequency screw feeder 12 is 1 KW.
Because the moisture content in the mud is higher, in order to prevent the electric leakage, guarantee electric heater unit 8's safety in utilization, electric heater unit 8 sets up in the inner wall intermediate layer of sludge drying case 7, is electric heating jacket or electric heating wire.
For preventing that mud from removing to the rear of discharge gate and unable in time discharging under helical mixing blade 6's drive, the rear end of mud discharge gate 11 still is equipped with sludge baffle 10, and the vertical setting of this baffle is on keeping away from the sludge drying case 7 bottom plate of feeder hopper 9 one end in sludge drying case 7, and its height is not less than the height of helical mixing blade 6's power shaft.
A sludge drying method for energy storage by utilizing a flywheel driven by wind power comprises the following steps:
1) conveying wet sludge to be dried into a sludge drying box 7 from a feed hopper 9;
2) the wind driven impeller 1 outputs captured wind energy to the gear box 2, a first power output shaft of the gear box 2 is conveyed to a power input end of the generator 3, the generator 3 converts part of kinetic energy into electric energy and conveys the electric energy to the storage battery 4, the storage battery 4 supplies power to the electric heating device 8, and the electric energy is converted into heat energy to heat the sludge drying box 7;
3) synchronously with the step 2), a second power output shaft of the gear box 2 drives a flywheel energy storage device 5, the flywheel energy storage device 5 stores a part of kinetic energy in a rotating flywheel, and simultaneously drives a rotating shaft at the center of a spiral stirring paddle 6 to rotate through the power output shaft, so that the sludge in the sludge drying box 7 is stirred and conveyed, the evaporation of the moisture of the sludge is accelerated, and the drying of wet sludge is realized;
4) the dried wet sludge is discharged from a sludge discharge port 11 under the blocking of a sludge baffle 10 so as to be convenient for the next treatment process.
In the step 1), wet sludge to be dried is conveyed into the sludge drying box 7 from the feed hopper through the variable-frequency screw feeder 12, and the rotating speed of a driving motor of the variable-frequency screw feeder 12 can be adjusted according to actual feeding requirements.
The sludge drying system and the method capture wind energy through the pneumatic impeller 1, the wind energy is captured to be used as power input of the gear box 2, the gear box 2 transmits part of power to the generator 3, the generator 3 converts kinetic energy into electric energy, the electric energy is stored in the storage battery 4, and the electric energy supplies power for the electric heating device 8 in the sludge drying box 7 and a driving motor of the variable-frequency screw feeder 12; the gear box 2 transmits the other part of power to a power input shaft of the flywheel energy storage device 5, the flywheel energy storage device 5 stores one part of kinetic energy in a rotating flywheel, meanwhile, a rotating shaft at the center of the spiral stirring paddle 6 is driven to rotate through a power output shaft, the sludge in the sludge drying box 7 is stirred and transmitted, so that the evaporation of the moisture of the sludge is accelerated, the drying of wet sludge is realized, the stored kinetic energy which changes along with time can be slowly released due to the flywheel energy storage device 5, the continuous operation of the spiral stirring paddle 6 is realized, meanwhile, the electric energy is stored by the storage battery 4, the continuous heating of the electric heating device 8 is guaranteed, the continuous operation of the drying system is realized by combining the two, the system is simple in structure, easy to implement and popularize, and the utilization rate of clean energy is improved.
Claims (5)
1. A sludge drying system for driving a flywheel to store energy by wind power comprises a wind driven impeller (1), a gear box (2) and a generator (3), wherein the power output end of the wind driven impeller (1) is connected with the power input end of the gear box (2), the first power output shaft of the gear box (2) is connected with the power input end of the generator (3), and the sludge drying system is characterized by further comprising a storage battery (4), a flywheel energy storage device (5) and a sludge drying box (7),
the power input end of the flywheel energy storage device (5) is connected with the second power output shaft of the gear box (2);
a spiral stirring blade (6) extending along the length direction of the sludge drying box (7) is arranged in the sludge drying box (7), and a rotating shaft at the center of the spiral stirring blade (6) is connected with a power output shaft of the flywheel energy storage device (5);
an electric heating device (8) is also arranged in the sludge drying box (7), the electric heating device (8) is connected with the power output end of the storage battery (4), and the power input end of the storage battery (4) is connected with the power output end of the generator (3);
a feed inlet at the upper part of the front end of the sludge drying box (7) is communicated with a feed hopper (9), and a sludge discharge outlet (11) is arranged at the lower part of the rear end of the sludge drying box (7).
2. The sludge drying system utilizing the wind power to drive the flywheel to store energy according to claim 1, wherein the outlet end of the lower part of the feed hopper (9) is communicated with the feed inlet of the sludge drying box (7) through a variable frequency screw feeder (12), and a driving motor of the variable frequency screw feeder (12) is connected with the power output end of the storage battery (4).
3. The sludge drying system utilizing wind power to drive the flywheel to store energy according to claim 1 or 2, wherein the electric heating device (8) is arranged in an interlayer of the inner wall of the sludge drying box (7) and is an electric heating sleeve or an electric heating wire.
4. The sludge drying system utilizing wind power to drive the flywheel to store energy according to claim 3, wherein a sludge baffle (10) is further arranged at the rear end of the sludge discharge hole (11).
5. The sludge drying system utilizing wind power to drive the flywheel to store energy according to claim 4, wherein the spiral stirring blade (6) is a solid blade made of carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822200921.9U CN210340663U (en) | 2018-12-26 | 2018-12-26 | Sludge drying system for driving flywheel to store energy by wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822200921.9U CN210340663U (en) | 2018-12-26 | 2018-12-26 | Sludge drying system for driving flywheel to store energy by wind power |
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| Publication Number | Publication Date |
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| CN210340663U true CN210340663U (en) | 2020-04-17 |
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| CN201822200921.9U Expired - Fee Related CN210340663U (en) | 2018-12-26 | 2018-12-26 | Sludge drying system for driving flywheel to store energy by wind power |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592876A (en) * | 2018-12-26 | 2019-04-09 | 徐州工程学院 | A kind of sludge drying system and method using wind drive flywheel energy storage |
| CN114031143A (en) * | 2021-11-23 | 2022-02-11 | 河南科技大学 | Unattended industrial waste liquid treatment and water-hydrogen-electricity cogeneration system and method |
-
2018
- 2018-12-26 CN CN201822200921.9U patent/CN210340663U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592876A (en) * | 2018-12-26 | 2019-04-09 | 徐州工程学院 | A kind of sludge drying system and method using wind drive flywheel energy storage |
| CN114031143A (en) * | 2021-11-23 | 2022-02-11 | 河南科技大学 | Unattended industrial waste liquid treatment and water-hydrogen-electricity cogeneration system and method |
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Granted publication date: 20200417 Termination date: 20201226 |