CN103420559B - A kind of sludge heat drying system and method - Google Patents
A kind of sludge heat drying system and method Download PDFInfo
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- CN103420559B CN103420559B CN201310410788.9A CN201310410788A CN103420559B CN 103420559 B CN103420559 B CN 103420559B CN 201310410788 A CN201310410788 A CN 201310410788A CN 103420559 B CN103420559 B CN 103420559B
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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
- 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
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Abstract
The invention discloses a kind of sludge heat drying system and method, comprise mud, heating equipment, brooder device and Rolling device; Mud is in brooder device; Rolling device is arranged in brooder device; Brooder device arranges radiating pipe and ventilating fan structure, and the heat delivery that heating equipment provides by radiating pipe is also distributed in mud, ventilating fan structure balance brooder device inner moisture.Heating equipment comprises anaerobic methane device, thermal-pump unit and solar energy equipment; Anaerobic methane device arranges anaerobic reactor and heat supply mechanism, and anaerobic reactor, heat supply mechanism are connected successively with radiating pipe, and changing food waste is changed into biogas by anaerobic reactor, and biogas enters heat supply mechanism and changes into heat, enters radiating pipe; Thermal-pump unit connects radiating pipe; Solar energy equipment comprises the transparent top-layer being arranged at brooder device, for utilizing sunlight to penetrate transparent top-layer, to provide heat.Ensure fine day cloudy day all energy heat drying mud throughout the year, cost is low, pollutes little.
Description
Technical field
The present invention relates to brooder plantation, particularly relate to a kind of sludge heat drying system and method.
Background technology
Mud is the solid precipitation material that water and sewage produce in treating processes.Along with the development of society, the problem of mankind's environmental pollution is more and more paid attention to, same, and along with the development of society, the generation of mud also gets more and more, and therefore will carry out minimizing, stabilization and harmless treatment to mud.
Plateau elevation is high, particularly the plateau in China western part, economics of underdevelopment, and facility is relatively backward, is more difficult thing at plateau lignin-sludge.
In prior art, be using the hot blast of Coalhotairfurnace generation as drying thermal source, boiler exhaust gas as heat source, heat power plant's steam as oven dry thermal source.Wherein, the cost of this method of Coalhotairfurnace is high, and the water vapour content after mummification in flue gas is very large, and mud granule is separated imperfect, and dustiness is high; Boiler exhaust gas drying efficiency is high, pollute few, but in the place that economy comparatively falls behind, boiler etc. arranges imperfection, cannot pass through boiler exhaust gas lignin-sludge; Heat power plant's drying with steam efficiency is high, but high expensive.
Summary of the invention
The invention provides a kind of sludge heat drying system and method, ensure fine day cloudy day all energy heat drying mud throughout the year, cost is low, pollutes little.
For solving the problem, the invention provides a kind of sludge heat drying system, comprising mud, heating equipment, brooder device and Rolling device;
Described mud is in described brooder device, and described heating equipment is used for providing heat for described mud; Described Rolling device is arranged in described brooder device, throws described mud for turning over;
Described brooder device arranges radiating pipe and ventilating fan structure, and the heat delivery that heating equipment provides by described radiating pipe is also distributed in described mud, and described ventilating fan structure balances described brooder device inner moisture;
Described heating equipment comprises anaerobic methane device, thermal-pump unit and solar energy equipment;
Described anaerobic methane device arranges anaerobic reactor and heat supply mechanism, described anaerobic reactor, described heat supply mechanism are connected successively with described radiating pipe, changing food waste is changed into biogas by described anaerobic reactor, and biogas enters heat supply mechanism and changes into heat, enters radiating pipe;
Described thermal-pump unit connects described radiating pipe, for thermal source process is converted into heat delivery to radiating pipe;
Described solar energy equipment comprises the transparent top-layer being arranged at described brooder device, for utilizing sunlight to penetrate described transparent top-layer, to provide heat.
Preferably, go back set temperature induction installation, described temperature sensing device detects temperature in described brooder device, and according to heat regulating and controlling heat pump device and anaerobic methane device.
Preferably, described anaerobic methane device also arranges meal kitchen sorting mechanism and stirring mechanism, and described meal kitchen sorting mechanism, stirring mechanism are connected successively with anaerobic reactor;
Described meal kitchen sorting mechanism is selected suitable changing food waste and is delivered to described stirring mechanism, and described stirring mechanism fragmentation is stirred changing food waste and the changing food waste after stirring is delivered to anaerobic reactor.
Preferably, described thermal-pump unit comprises drying machine, compressor, condenser and vaporizer, and described drying machine, vaporizer, compressor, condenser are connected successively with radiating pipe.
Preferably, described anaerobic methane device also arranges purification mechanism, and described purification mechanism is arranged between described anaerobic reactor and heat supply mechanism, for purifying the biogas of anaerobic reactor output and biogas after purification being delivered to heat supply mechanism.
Preferably, described solar energy equipment comprises solar energy photovoltaic panel, and described solar energy photovoltaic panel absorbs heat and is the electric energy driving thermal-pump unit and anaerobic methane device by converting heat.
Preferably, described radiating pipe is arranged on the bottom of described brooder device, arranges base plate between described radiating pipe and described mud, and described base plate is used for the even heat heat radiation in described radiating pipe to described mud.
Preferably, described brooder device arranges sliding bar, and described sliding bar is across in brooder device, and described Rolling device moves on described sliding bar, to turn over throwing mud.
Present invention also offers a kind of thermal drying method for sludge, comprising:
Changing food waste reacts and forms methane in anaerobic reactor, and become heat by heat supply mechanism thermal conversion, heat delivery is to radiating pipe;
Thermal source through super-dry enters thermal-pump unit, thermal-pump unit by transform heat delivery to radiating pipe;
Sunlight is penetrated, to provide heat by the transparent top-layer being arranged on brooder device top.
Preferably, detect temperature in described brooder device, if lower than the first set(ting)value, then thermal-pump unit and anaerobic methane device are opened in regulation and control; If higher than the second set(ting)value, then thermal-pump unit and anaerobic methane device are closed in regulation and control.
As can be seen from the above technical solutions, the present invention has the following advantages: arrange anaerobic methane device, thermal-pump unit and solar energy equipment simultaneously: when sunlight is sufficient, solar energy equipment can provide heat by transparent top-layer, thus dewatered sludge; When sunlight is inadequate or rainy weather time, heat supply can be carried out by anaerobic methane device and thermal-pump unit; This anaerobic methane device, using the changing food waste of Municipal waste as raw material, changing food waste has nutritional condition required for anaerobe, ensure that anaerobe Efficient Conversion becomes methane, and then combustion of methane provides heat, thus dewatered sludge; Also because external agency is changed into heat thus dewatered sludge by this thermal-pump unit.The mud High Efficiency Thermal mummification of above three kinds of appliance ensure, make use of sun power, particularly area, plateau sun power is very abundant, light application time is long, also use changing food waste, effective reduction municipal pollution, farthest ensure fine day cloudy day all energy heat drying mud throughout the year, cost is low, pollutes little.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of sludge heat drying system of the present invention;
Fig. 2 is the anaerobic methane apparatus structure schematic diagram of a kind of sludge heat drying system of the present invention;
Fig. 3 is the thermal-pump unit structural representation of a kind of sludge heat drying system of the present invention;
Fig. 4 is the wind direction schematic diagram of a kind of sludge heat drying system of the present invention.
Embodiment
The invention provides a kind of sludge heat drying system and method, ensure fine day cloudy day all energy heat drying mud throughout the year, cost is low, pollutes little.
In order to make those skilled in the art understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Refer to Fig. 1, Fig. 2, Fig. 1 is the structural representation of a kind of sludge heat drying system of the present invention, Fig. 2 is the anaerobic methane apparatus structure schematic diagram of a kind of sludge heat drying system of the present invention, Fig. 3 is the thermal-pump unit structural representation of a kind of sludge heat drying system of the present invention, and Fig. 4 is the wind direction schematic diagram of a kind of sludge heat drying system of the present invention.
A kind of sludge heat drying system of the present invention, comprises mud 2, heating equipment, brooder device 3 and Rolling device 4;
Mud 2 is in brooder device 3, and heating equipment is used for providing heat for mud 2; Rolling device 4 is arranged in brooder device 3, throws mud 2 for turning over;
Brooder device 3 arranges radiating pipe 301 and ventilating fan structure, and the heat delivery that heating equipment provides by radiating pipe 301 is also distributed in mud 2, ventilating fan structure balance brooder device 3 inner moisture.
Heating equipment comprises anaerobic methane device 5, thermal-pump unit 6 and solar energy equipment (not shown in the diagram);
Anaerobic methane device 5 arranges anaerobic reactor 501 and heat supply mechanism 502, anaerobic reactor 501, heat supply mechanism 502 are connected successively with radiating pipe 301, changing food waste is changed into biogas by anaerobic reactor 501, and biogas enters heat supply mechanism 502 and changes into heat, enters radiating pipe 301;
Thermal-pump unit 6 connects radiating pipe 301, for thermal source process is converted into heat delivery to radiating pipe 301;
Solar energy equipment comprises the transparent top-layer being arranged at brooder device 3, for utilizing sunlight to penetrate transparent top-layer, to provide heat.
Brooder and energy saving sunlight greenhouse, be widely used in the north of China.The top of brooder device 3 alleged in this embodiment can be set to encircle round type, micro-arcuately etc., alleged brooder device 3 can be made up of steel-wood structure, skeleton construction, full steel structure etc., its top can be set to transparent top-layer, this transparent top-layer can be made up of transparent material, is convenient to sunlight and is at utmost projected to inside.
Alleged Rolling device 4 can roll on mud 2, and this Rolling device 4 can be set to smaller Rolling device 4, so that mobile, also can be set to relatively large-scale Rolling device 4, be convenient to improve the speed of turning over and throwing mud 2.This Rolling device 4 can arrange multiple ploughshare.The effect of this Rolling device 4 turns over to throw mud 2, to make the moisture in the mud 2 after heating to distribute rapidly, effectively ensures that mud 2 mummification degree is high.This Rolling device is preferably turnover throwing machine.
Radiating pipe 301 can be arranged on the bottom of brooder device 3, and ventilating fan structure can be arranged on top or the top of brooder device 3.
Satisfactory changing food waste can be fed into anaerobic reactor 501, environment residing for anaerobic reactor 501 is the condition of a free-dioxygen, the organic molecules such as anaerobe and double health thing are effectively changed into methane and carbon dioxide by this environment, methane and carbon dioxide is changed into by biodegradable organic material decomposition most of in solid waste, after methane generation, heat is become by heat supply mechanism 502 burning, heat enters radiating pipe 301, thus provides heat by radiating pipe 301 pairs of brooder devices 3.
Wherein, alleged heat supply mechanism 502 can be boiler.
In this embodiment, anaerobic methane device 5 also arranges meal kitchen sorting mechanism 503 and stirring mechanism 504, and meal kitchen sorting mechanism 503, stirring mechanism 504 are connected successively with anaerobic reactor 501;
Meal kitchen sorting mechanism 503 is selected suitable changing food waste and is delivered to stirring mechanism 504, and stirring mechanism 504 fragmentation is stirred changing food waste and the changing food waste after stirring is delivered to anaerobic reactor 501.
Wherein, because changing food waste comprises broad variety, alleged suitable changing food waste can comprise anaerobe, oxygen of holding concurrently is biological and happiness oxygen is biological, and meeting the biology that anaerobic methane device 5 processes is that anaerobe and double oxygen are biological, first can be rejected by happiness oxygen biology by sorting mechanism 503.
After obtaining anaerobe and double oxygen biology, need it broken, its shattering process can carry out fragmentation by this stirring mechanism 504, then stirs, and can produce biogas better to make it in anaerobic reactor 501.
In this embodiment, anaerobic methane device 5 also arranges purification mechanism 505, purification mechanism 505 is arranged between anaerobic reactor 501 and heat supply mechanism 502, for purifying the biogas of anaerobic reactor 501 output and biogas after purification being delivered to heat supply mechanism 502.
Wherein, the biogas that anaerobic reactor 501 produces is purified, thus discharge other foreign material, to make biogas pure, be delivered to radiating pipe 301 after being heated by biogas, thus carry out heat supply.
Alleged thermal-pump unit 6 comprises drying machine 601, compressor 602, condenser 603, throttling set and vaporizer 604, and described drying machine 601, vaporizer 604, compressor 602, condenser 603 are connected successively with radiating pipe 301.
This drying machine 601 can be compartment dryer 601.This drying machine 601 absorbs external heat, by heat delivery to vaporizer 604, due to when hot and humid gas discharged by drying machine 601, this hot and humid gas water content is very high, and its relative humidity is about 75 ~ 80%, simultaneously because vaporizer 604 surface temperature is lower than gas dewpoint, this hot and humid gas cools down at vaporizer 604 surface water, and with outside the state discharge system of liquid water, reduces to make this hot and humid gas relative temperature, obtain dry gas, carry out the follow-up gain of heat; When dry gas enters vaporizer 604, in vaporizer 604, the working medium of flowing absorbs the heat in hot and humid gas, and dehumidify, working medium flashes to low-pressure steam from low-pressure liquid; Low-pressure steam enters compressor 602 supercharging again, and low-pressure steam supercharging is become high temperature and high pressure steam; This high temperature and high pressure steam enters condenser 603, and the working medium releases heat heat drying gas of High Temperature High Pressure, the dry gas after this heating enters radiating pipe 301.Working medium in condenser 603 itself to be congealed into highly pressurised liquid from gas cold, highly pressurised liquid enters throttling set, and throttling set creates blocking effect to highly pressurised liquid working medium, reduces pressure, thus forming heat pump process, above process operates repeatedly, and what form heat pump cycle heats dehumidifying.
Above-mentioned alleged working medium is realize the media material that heat energy and mechanical energy transforms mutually, relies on its change of state in heat engine could obtain merit, and does work and need could transmit heat by working medium.Alleged dew-point temperature refers to that air is under moisture content and all immovable condition of air pressure, temperature when being cooled to saturated.
Solar energy equipment comprises the transparent top-layer being arranged on this brooder device 3 top, and solar energy equipment can penetrate sunlight by transparent top-layer.
In this embodiment, solar energy equipment arranges solar energy photovoltaic panel (not shown in the diagram), and solar energy photovoltaic panel absorbs heat and is converted into the electric energy driving thermal-pump unit 6 and anaerobic methane device 5.
Operate because thermal-pump unit 6 and anaerobic methane device 5 all need to consume electric energy, the solar energy photovoltaic panel of solar energy equipment by arranging, the heat of sunlight can be absorbed, and converting heat is become to drive the electric energy of thermal-pump unit 6 and anaerobic device, electric energy can also be preserved.This solar energy photovoltaic panel can be arranged on the surrounding of brooder device 3.
In this embodiment, radiating pipe 301 is arranged on the bottom of brooder device 3, arranges base plate between radiating pipe 301 and mud 2, and base plate is used for the even heat heat radiation in radiating pipe 301 to mud 2.
The heat transfer base plate that alleged base plate can be made for macromolecular material, is effectively scattered in base plate everywhere by the even heat in radiating pipe 301, for the mud 2 being placed on base plate top provides heat.
In this embodiment, brooder device 3 also arranges ventilating fan structure, and ventilating fan structure is arranged on brooder device 3, for changing the wet gas in brooder device 3.
Ventilating fan structure comprises gas blower and vent window 304, and this gas blower can comprise indoor blower 303 and outdoor blowers 303.Wherein, indoor blower 303 can be suspended on brooder and arrange inner top, and outdoor blowers 303 can be arranged on brooder device 3, and vent window 304 can be arranged on brooder device 3.
The heat that heating equipment is supplied to mud 2 can increase the homogeneity of spread heat by indoor blower 303, turned over by Rolling device 4 again and throw mud 2, moisture in mud 2 is taken out of, and then by outdoor blowers 303, the gas with moisture is discharged brooder device 3 again, in the process of outdoor blowers 303 Exhaust Gas, vent window 304 correspondence absorbs suitable gas from brooder device 3, the balance of balance brooder device 3.
Wherein, a gas filter can also be set, connect vent window 304, reduce its water content to make the air entering brooder device 3.
In this embodiment, brooder device 3 arranges sliding bar, and sliding bar is across in brooder device 3, and Rolling device 4 moves on sliding bar, throws mud 2 to turn over.Wherein, this sliding bar can across the two ends of brooder device 3, two sliding bars can be set and be arranged on the both sides of brooder device 3, a sliding bar also can be set and be arranged on the middle part of brooder device 3, after Rolling device 4 fully contacts with mud 2, it can equal sliding bar height overhead to the height on ground in fixed position.
In this specific embodiment, go back set temperature induction installation, temperature sensing device detects temperature in brooder device 3, and according to heat regulating and controlling heat pump device 6 and anaerobic methane device 5.
This temperature sensing device can hang and be arranged in the middle part of brooder device 3, and for responding to warm temperature of shed, thus control thermal-pump unit 6 starts and controls the running of anaerobic methane device 5.
Multiple set(ting)value can be preset, as the first set(ting)value and the second set(ting)value:
When sunlight is inadequate or it is cloudy, temperature inductor detected temperatures does not meet set(ting)value, in brooder device 3, temperature is lower than the first set(ting)value, then start or deepen thermal-pump unit 6 and anaerobic methane device 5 and operate, and also can only start thermal-pump unit 6 or only start the running of anaerobic methane device 5.
When sunny, temperature inductor detected temperatures does not meet set(ting)value, in brooder device 3, temperature is lower than the second set(ting)value, then close or weaken thermal-pump unit 6 and anaerobic methane device 5 operates, and also correspondingly can close thermal-pump unit 6 or corresponding running of closing anaerobic methane device 5.
A kind of sludge heat drying system of the present invention arranges anaerobic methane device, thermal-pump unit 6 and solar energy equipment simultaneously: when sunlight is sufficient, solar energy equipment can provide heat by transparent top-layer, thus dewatered sludge; When sunlight is inadequate or rainy weather time, heat supply can be carried out by anaerobic methane device and thermal-pump unit; This anaerobic methane device, using the changing food waste of Municipal waste as raw material, changing food waste has nutritional condition required for anaerobe, ensure that anaerobe Efficient Conversion becomes methane, and then combustion of methane provides heat, thus dewatered sludge; Also because external agency is changed into heat thus dewatered sludge by this thermal-pump unit.The mud High Efficiency Thermal mummification of above three kinds of appliance ensure, make use of sun power, particularly area, plateau sun power is very abundant, light application time is long, also use changing food waste, effective reduction municipal pollution, farthest ensure fine day cloudy day all energy heat drying mud throughout the year, cost is low, pollutes little.
Present invention also offers a kind of thermal drying method for sludge, comprising:
(101) changing food waste reacts and forms methane in anaerobic reactor 501, and become heat by heat supply mechanism 502 thermal conversion, heat delivery is to radiating pipe 301;
(102) thermal source through super-dry enters thermal-pump unit 6, thermal-pump unit 6 by transform heat delivery to radiating pipe 301;
(103) transparent top-layer by being arranged on brooder device 3 top penetrates sunlight, to provide heat.
Wherein, enter into anaerobic reactor 501 through the changing food waste selected, changing food waste is changed into biogas by anaerobic reactor 501 under the condition of anoxic, then changes into heat by heating unit, and final heat enters radiating pipe 301.
Wherein, the thermal source through drying machine 601 drying enters thermal-pump unit 6, and by the effect of vaporizer 604, compressor 602 and condenser 603, heat enters radiating pipe 301.
In this embodiment, detect temperature in brooder device 3, if lower than the first set(ting)value, then thermal-pump unit 6 and anaerobic methane device 5 are opened in regulation and control; If higher than the second set(ting)value, then thermal-pump unit 6 and anaerobic methane device 5 are closed in regulation and control.
In this detection brooder device 3, temperature is temperature sensing device, and this temperature sensing device can hang and be arranged in the middle part of brooder device 3, and for responding to warm temperature of shed, thus control thermal-pump unit 6 starts and controls the running of anaerobic methane device 5.
Multiple set(ting)value can be preset, as the first set(ting)value and the second set(ting)value:
When sunlight is inadequate or it is cloudy, temperature inductor detected temperatures does not meet set(ting)value, in brooder device 3, temperature is lower than the first set(ting)value, then start or deepen thermal-pump unit 6 and anaerobic methane device 5 and operate, and also only can start thermal-pump unit 6 or only start anaerobic methane to fill 5 runnings of putting.
When sunny, temperature inductor detected temperatures does not meet set(ting)value, in brooder device 3, temperature is lower than the second set(ting)value, then close or weaken thermal-pump unit 6 and anaerobic methane device 5 operates, and also correspondingly can close thermal-pump unit 6 or corresponding running of closing anaerobic methane device 5.
A kind of thermal drying method for sludge of the present invention arranges anaerobic methane device, thermal-pump unit and solar energy equipment simultaneously: when sunlight is sufficient, solar energy equipment can provide heat by transparent top-layer, thus dewatered sludge; When sunlight is inadequate or rainy weather time, heat supply can be carried out by anaerobic methane device and thermal-pump unit; This anaerobic methane device, using the changing food waste of Municipal waste as raw material, changing food waste has nutritional condition required for anaerobe, ensure that anaerobe Efficient Conversion becomes methane, and then combustion of methane provides heat, thus dewatered sludge; Also because external agency is changed into heat thus dewatered sludge by this thermal-pump unit.The mud High Efficiency Thermal mummification of above three kinds of appliance ensure, make use of sun power, particularly area, plateau sun power is very abundant, light application time is long, also use changing food waste, effective reduction municipal pollution, farthest ensure fine day cloudy day all energy heat drying mud throughout the year, cost is low, pollutes little.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a sludge heat drying system, is characterized in that, comprises mud, heating equipment, brooder device and Rolling device;
Described mud is in described brooder device, and described heating equipment is used for providing heat for described mud; Described Rolling device is arranged in described brooder device, throws described mud for turning over;
Described brooder device arranges radiating pipe and ventilating fan structure, and the heat delivery that heating equipment provides by described radiating pipe is also distributed in described mud, and described ventilating fan structure balances described brooder device inner moisture;
Described heating equipment comprises anaerobic methane device, thermal-pump unit and solar energy equipment;
Described anaerobic methane device arranges anaerobic reactor and heat supply mechanism, described anaerobic reactor, described heat supply mechanism are connected successively with described radiating pipe, changing food waste is changed into biogas by described anaerobic reactor, and biogas enters heat supply mechanism and changes into heat, enters radiating pipe;
Described thermal-pump unit connects described radiating pipe, for thermal source process is converted into heat delivery to radiating pipe;
Described solar energy equipment comprises the transparent top-layer being arranged at described brooder device, for utilizing sunlight to penetrate described transparent top-layer, to provide heat;
Described anaerobic methane device also arranges meal kitchen sorting mechanism and stirring mechanism, and described meal kitchen sorting mechanism, stirring mechanism are connected successively with anaerobic reactor;
Described meal kitchen sorting mechanism is selected suitable changing food waste and is delivered to described stirring mechanism, and described stirring mechanism fragmentation is stirred changing food waste and the changing food waste after stirring is delivered to anaerobic reactor;
Described ventilating fan structure is arranged on top or the top of described brooder device.
2. sludge heat drying system according to claim 1, is characterized in that, goes back set temperature induction installation, and described temperature sensing device detects temperature in described brooder device, and according to heat regulating and controlling heat pump device and anaerobic methane device.
3. sludge heat drying system according to claim 1, is characterized in that, described thermal-pump unit comprises drying machine, compressor, condenser and vaporizer, and described drying machine, vaporizer, compressor, condenser are connected successively with radiating pipe.
4. sludge heat drying system according to claim 1, is characterized in that, described solar energy equipment comprises solar energy photovoltaic panel, and described solar energy photovoltaic panel absorbs heat and is the electric energy driving thermal-pump unit and anaerobic methane device by converting heat.
5. sludge heat drying system according to claim 1, it is characterized in that, described radiating pipe is arranged on the bottom of described brooder device, arranges base plate between described radiating pipe and described mud, and described base plate is used for the even heat heat radiation in described radiating pipe to described mud.
6. sludge heat drying system according to claim 1, it is characterized in that, described anaerobic methane device also arranges purification mechanism, described purification mechanism is arranged between described anaerobic reactor and heat supply mechanism, for purifying the biogas of anaerobic reactor output and biogas after purification being delivered to heat supply mechanism.
7. sludge heat drying system according to claim 1, is characterized in that, described brooder device arranges sliding bar, and described sliding bar is across in brooder device, and described Rolling device moves on described sliding bar, to turn over throwing mud.
8., based on a thermal drying method for sludge for system described in any one of claim 1 ~ 7, it is characterized in that, comprising:
Changing food waste reacts and forms methane in anaerobic reactor, and become heat by heat supply mechanism thermal conversion, heat delivery is to radiating pipe;
Thermal source through super-dry enters thermal-pump unit, thermal-pump unit by transform heat delivery to radiating pipe;
Sunlight is penetrated, to provide heat by the transparent top-layer being arranged on brooder device top.
9. thermal drying method for sludge according to claim 8, is characterized in that, detects temperature in described brooder device, if lower than the first set(ting)value, then thermal-pump unit and anaerobic methane device are opened in regulation and control; If higher than the second set(ting)value, then thermal-pump unit and anaerobic methane device are closed in regulation and control.
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| CN104492788A (en) * | 2014-12-03 | 2015-04-08 | 广西大学 | Comprehensive treatment method for urban garbage and sludge |
| CN106964633A (en) * | 2017-04-14 | 2017-07-21 | 镇江市海润环保科技有限公司 | A kind of kitchen castoff and sewage plant sludge cooperative processing method |
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| JP2009101276A (en) * | 2007-10-22 | 2009-05-14 | Metawater Co Ltd | Sludge dryer and sludge drying method |
| CN101628780A (en) * | 2009-08-07 | 2010-01-20 | 镇江同盛环保设备工程有限公司 | Sludge drying system and sludge drying process |
| CN102992570A (en) * | 2011-09-09 | 2013-03-27 | 同济大学 | Electric-regenerative solar energy assisted sludge biodrying system |
| CN203451347U (en) * | 2013-09-10 | 2014-02-26 | 广东浩元环保科技发展有限公司 | Sludge heat-drying system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009101276A (en) * | 2007-10-22 | 2009-05-14 | Metawater Co Ltd | Sludge dryer and sludge drying method |
| CN101628780A (en) * | 2009-08-07 | 2010-01-20 | 镇江同盛环保设备工程有限公司 | Sludge drying system and sludge drying process |
| CN102992570A (en) * | 2011-09-09 | 2013-03-27 | 同济大学 | Electric-regenerative solar energy assisted sludge biodrying system |
| CN203451347U (en) * | 2013-09-10 | 2014-02-26 | 广东浩元环保科技发展有限公司 | Sludge heat-drying system |
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