CN102603147B - Sludge drying device - Google Patents
Sludge drying device Download PDFInfo
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- CN102603147B CN102603147B CN201210060277.4A CN201210060277A CN102603147B CN 102603147 B CN102603147 B CN 102603147B CN 201210060277 A CN201210060277 A CN 201210060277A CN 102603147 B CN102603147 B CN 102603147B
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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
Abstract
Sludge drying device of the present invention belongs to technical field of sewage.Sludge drying device of the present invention comprises solar energy collection device, solar energy transmitting device, solar energy conversion system, hot air flow generating apparatus and sludge treatment equipment.Wherein, the sunlight of collection is transferred to solar energy conversion system by solar energy transmitting device by solar energy collection device, gas in solar energy conversion system heat hot air-stream generating device, the hot gas after heating is entered in sludge treatment equipment body by gas outlet duct.Under hot gas flow effect, pending mud dehydration mummification, carries out granulation process while sludge drying or afterwards, can carry out second stage employ after process.The present invention has use clean energy, and exothermal process is free from environmental pollution, does not produce carbonic acid gas and the effect such as expense is low, and can realize the minimizing of mud and harmless treatment, resource regeneration, realizes the object of energy-saving and emission-reduction and protection of the environment.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to a kind of sludge drying device of energy-conserving and environment-protective.
Background technology
Sewage is the modern life and industrial product, and sewage can destroy ecotope, and harm humans is healthy.So sewage disposal has become urgent task.A large amount of mud can be produced in sewage treatment process, mud brings new problem, because mud forms by the pollutent richness in sewage is long-pending, the content of noxious pollutant is higher, if effectively process not in time, larger to the harm of environment, the mud that particularly industrial sewage produces has huge harm especially.
At present, about 100,000,000 tons of the every day output of China's city domestic sewage, annual generation about 3,200 ten thousand tons of sludge quantity.The harmless treatment of mud far can not meet the needs of reality, and the effective sludge disposal technology of environmental protection is badly in need of in society.
Now, sludge disposal technology may be summarized to be following several large class, wherein first class, and sludge treatment adopts compost treatment technology, shortcoming be compost time long, floor space greatly, not easily large-scale promotion.What is more important compost treatment technology is only applicable to the mud of process sanitary sewage, be not suitable for the mud processing trade effluent, because the mud of trade effluent is formed primarily of a large amount of objectionable impurities, the content of these objectionable impuritiess is high, toxicity is large, great destruction may be caused to environment, and to be difficult to degrade by nature, certainly can not do Fertilizer application.Second largest class, to burn the method for sludge treatment for core, this be the most thoroughly, the most effective method for sludge treatment.The method can make the whole carbonization of organism, kills pathogenic agent, can reduce sludge volume to greatest extent.But its shortcoming is treatment facility, and investment is large, and energy consumption is high, and processing costs is high, large-scale promotion is failed in market application.To have be exactly the building materials technology of mud again, turning sludge into fuel technology and anaerobic digestion (producing methane) technology are also in conceptual phase.
Other large classes, the ionizing rays treatment technology of such as mud, microwave and ultrasound lignin-sludge technology is all at the experimental stage, is also the technology of highly energy-consuming, and marketing prospect is a unknown number.Use microbiological treatment waste water, the feature due to microorganism self determines the restricted many factors of the method, and such as microorganism is to the requirement of water quality, and to the requirement of envrionment temperature, actual result shows that the change in season has a strong impact on microbiological treatment effect.For industrial sewage, the treatment effect of current microorganism can not be satisfied the demand far away.The difficulty of microbiological treatment mud is used to be greater than sewage disposal, especially industrial sludge.At present, the processing mode mainly landfill of mud, but become mud from sewage, be only the form changing pollutent existence, do not have decreasing pollution thing, also just do not reduce the harm of sewage to environment, even the harm of localized region is larger.Landfill disposal land occupation, has also built up " secondary " source of pollution artificially, has left long-term hidden danger to regional area.On the whole, the sludge treatment imperfection of present stage, the low and high in cost of production of processing horizontal.
Summary of the invention
In order to solve the problems of the technologies described above; the object of this invention is to provide a kind of sludge drying device; it is low that it has cost; use clean energy; exothermal process is free from environmental pollution; do not produce the effects such as carbonic acid gas, and the object of the minimizing of mud and harmless treatment, resource regeneration, energy-saving and emission-reduction and protection of the environment can be realized.
The object of the invention is to be achieved through the following technical solutions:
A kind of sludge drying device, comprises solar energy collection device, solar energy transmitting device, solar energy conversion system and sludge treatment equipment.Wherein, the luminous energy collected is transferred to solar energy conversion system by solar energy transmitting device by solar energy collection device, solar energy conversion system is connected with sludge treatment equipment, by the pending mud Heating temperature to 50 in sludge treatment equipment degree Celsius to 2000 degrees Celsius, complete sludge dewatering treatment.Sludge moisture content after processed is no more than 50%.Above-mentioned pending mud Heating temperature preferably 50 degrees Celsius to 850 degrees Celsius.
In order to effectively realize heats, this sludge drying device can also comprise hot air flow generating apparatus, realized pending mud thermal dehydration process by hot gas flow, described hot air flow generating apparatus is located between solar energy conversion system and sludge treatment equipment.Now, the luminous energy collected is transferred to solar energy conversion system by solar energy transmitting device by solar energy collection device, solar energy conversion system is connected with hot air flow generating apparatus, by the gas heating in hot air flow generating apparatus, hot gas after heating is transferred to sludge treatment equipment, and pending mud has been heated sludge dewatering treatment.
In order to realize movable operation, this sludge drying device can also comprise moveable worktable, and described moveable worktable comprises is located at the Mobile support device bottom worktable, the support being located at worktable top and first control device; Described support is connected with described solar energy collection device, and first control device controls the motion of worktable and support.
Described solar energy collection device, solar energy transmitting device, solar energy conversion system, hot air flow generating apparatus or the arbitrary device of sludge treatment equipment or be all located on moveable worktable.
Described first control device comprises the first Controlling System and the first drive unit, and the first Controlling System controls the first drive unit motion.First Controlling System comprises computer controlling center.First control device controls the first drive unit, and then controls movable working platform and the operation of upper device thereof.Rotating to realize worktable, also one rotating shaft can be set in worktable bottom.
Described solar energy collection device comprises beam condensing unit and tracking device, and tracking device controls the beam condensing unit tracking sun and moves.
Described beam condensing unit comprises concave mirror or lens.
Described concave mirror comprises column concave mirror, dish-shaped concave mirror or selects the concave mirror of other shape as required.Described lens comprise convex lens or Fresnel Lenses.
Beam condensing unit can rotate to realize following the tracks of sun object.
Described tracking device comprises the sequence of control be located in first control device.In order to realize following the tracks of solar motion, can arrange in first control device and follow the tracks of the sequence of control of solar motion, sequence of control controls the linkage system be located on support, and then controls the beam condensing unit tracking sun and move and realize effective optically focused.
Described tracking device comprises photosensor.The sequence of control following the tracks of solar motion also can not be set in advance in first control device, and directly adopt photosensor as tracking device.The movement that photosensor can follow the tracks of the sun is more accurately set.
Described solar energy transmitting device comprise in light reflecting device, light refraction device and luminous energy transfer line or luminous energy transmission pipeline three kinds any one.When selecting concave mirror as beam condensing unit, also this concave mirror can be used as light reflecting device simultaneously, light is directly reflexed on solar energy conversion system, and solar energy conversion system can be located on sludge treatment equipment or hot air flow generating apparatus; When selecting lens as beam condensing unit, also these lens can be used as light refraction device simultaneously, light is directly refracted on solar energy conversion system, and solar energy conversion system can be located on sludge treatment equipment or hot air flow generating apparatus.Under this kind of situation, solar energy transmitting device and solar energy collection device are set to one.
Described hot air flow generating apparatus comprises hot air flow generating apparatus body, heat exchanger, gas input port, gas delivery port and gas outlet duct, gas input port and gas delivery port are located on hot air flow generating apparatus body, and gas outlet duct is connected with gas delivery port.
Described hot air flow generating apparatus body comprises the cavity of a hollow, holds gas in cavity.
Described gas comprises air, rare gas element or industrial tail gas.
Described hot air flow generating apparatus also comprises the 3rd control device, and the 3rd control device controls hot air flow generating apparatus and each device thereof.
The 3rd described control device comprises the 3rd Controlling System and the 3rd drive unit, and the 3rd Controlling System controls the 3rd drive unit operation hot air flow generating apparatus and each device thereof.
Described hot air flow generating apparatus also comprises induced draft fan, and described induced draft fan is located on hot air flow generating apparatus body, gas outlet duct or gas delivery port position.
Described sludge treatment equipment comprises sludge treatment equipment body, heater gas inlet port, sludge inlet, mud discharge port, tail gas discharge outlet and second control device, wherein, heater gas inlet port, sludge inlet, mud discharge port and tail gas discharge outlet are located on sludge treatment equipment body.
Described sludge treatment equipment also comprises exhaust gas processing device, and described exhaust gas processing device is located at outside tail gas discharge outlet.
Described exhaust gas processing device comprise in cleaning apparatus, deodorizing device and collecting tank three kinds any one or several, described cleaning apparatus, deodorizing device or collecting tank are located at outside tail gas discharge outlet.Consider particular case when arranging, above-mentioned cleaning apparatus, deodorizing device or collecting tank can be selected simultaneously to arrange, also can select a setting.
Described sludge treatment equipment also comprises prilling granulator, and sludge treatment is become particulate state by described prilling granulator.
Described prilling granulator comprises is located at the intrinsic vibration screen of sludge treatment equipment or grid, or is located at this external independent prilling granulator of sludge treatment equipment.Described independent prilling granulator comprises common fertilizer tablets press.
Mud granule diameter after described process is 1 millimeter to 50 millimeters.
Described sludge treatment equipment body comprises the cavity of a hollow.
Described second control device comprises the second drive unit and the second Controlling System, and the second Controlling System controls the second drive unit and then controls the operation of temperature in the sewage sludge feed of sludge treatment equipment, mud discharging, tail gas discharge, exhaust gas processing device, prilling granulator or sludge treatment equipment body.The second described Controlling System comprises computer controlling center.
By technique scheme of the present invention, this sludge drying device adopts solar energy as the energy, uses hot gas heat treated mud simultaneously, so greatly reduces sludge treatment cost.It has use clean energy, and exothermal process is free from environmental pollution, does not produce the effects such as carbonic acid gas, and can realize the object of the minimizing of mud and harmless treatment, resource regeneration, energy-saving and emission-reduction and protection of the environment.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment structural representation of sludge drying device of the present invention;
Fig. 2 is a kind of embodiment structural representation of hot air flow generating apparatus of the present invention;
Fig. 3 is a kind of embodiment structural representation of sludge treatment equipment of the present invention.
Embodiment
Below, by reference to the accompanying drawings the specific embodiment of the present invention is described in detail:
Wherein, accompanying drawing tag is described as follows:
1, support, 2, linkage system, 3, solar energy collection device, 4, solar energy transmitting device, 5, photosensor, 6, first drive unit, 7, Mobile support device, 8, worktable, 9, rotating shaft, 10, wire, 11, first Controlling System, 12, hot air flow generating apparatus, 13, induced draft fan, 14, sludge treatment equipment, 15, heat exchanger, 16, solar energy conversion system, 17, gas input port, 18, 3rd Controlling System, 19, gas delivery port, 20, 3rd drive unit, 21, hot air flow generating apparatus body, 22, sludge inlet, 23, heater gas inlet port, 24, sludge treatment equipment body, 25, second drive unit, 26, prilling granulator, 27, mud discharge port, 28, collecting tank, 29, tail gas discharge outlet, 30, second Controlling System, 31, cleaning apparatus, 32, deodorizing device.
As depicted in figs. 1 and 2, a kind of sludge drying device, comprises solar energy collection device, solar energy transmitting device 4, solar energy conversion system 16, hot air flow generating apparatus 12 and sludge treatment equipment 14.
The luminous energy collected is transferred to solar energy conversion system 16 by solar energy transmitting device 4 by solar energy collection device, solar energy conversion system 16 is connected with hot air flow generating apparatus 12, by the gas heating in hot air flow generating apparatus 12, hot gas after heating is transferred to sludge treatment equipment 14, control temperature to 50 in sludge treatment equipment degree Celsius to 2000 degrees Celsius, preferably 50 degrees Celsius to 850 degrees Celsius.Pending mud has been heated sludge dewatering treatment.
As shown in Figure 1, solar energy collection device comprises beam condensing unit 3 and tracking device, and wherein, beam condensing unit 3 can select concave mirror or lens.Concave mirror can be selected column concave mirror, dish-shaped concave mirror as required or select other shaped concave surface mirrors according to specific needs.Lens can select convex lens or Fresnel Lenses as required.This clean energy of sunlight is collected by concave mirror or lens.
Tracking device can select the sequence of control be located in first control device.In order to realize following the tracks of solar motion, can arrange in first control device and follow the tracks of the sequence of control of solar motion, sequence of control controls the linkage system 2 be located on support 1, and then control beam condensing unit 3 is followed the tracks of the sun and moved and realize effective optically focused.
Tracking device can also select photosensor 5.The sequence of control following the tracks of solar motion also can not be set in advance in first control device, and directly adopt photosensor 5 as tracking device.The movement that photosensor 5 can follow the tracks of the sun is more accurately set.
Photosensor 5 is connected with linkage system 2 by wire 10.Photosensor 5 controls linkage system 2 and follows the tracks of the sun and move, and controls the motion of beam condensing unit 3.In order to realize the object of following the tracks of the sun, beam condensing unit 3 can rotate.
Solar energy transmitting device 4 any one in selective light reflection unit, light refraction device and luminous energy transfer line or luminous energy transmission pipeline three kinds can carry out luminous energy transmission.When selecting concave mirror as beam condensing unit 3, also this concave mirror can be used as light reflecting device simultaneously, light is directly reflexed on solar energy conversion system 16, and solar energy conversion system 16 can be located on sludge treatment equipment 14 or hot air flow generating apparatus 12.When selecting lens as beam condensing unit 3, also these lens can be used as light refraction device simultaneously, light is directly refracted on solar energy conversion system 16, and solar energy conversion system 16 can be located on sludge treatment equipment 14 or hot air flow generating apparatus 12.Under this kind of situation, solar energy transmitting device 4 and solar energy collection device are set to one.
Solar energy conversion system 16 and hot air flow generating apparatus 12 can be set to one, also can be provided separately.By solar energy conversion system 16, solar energy is converted into heat energy, to realize object of the present invention further.Same reason, when directly utilizing solar energy to carry out sludge drying processed, solar energy conversion system 16 and sludge treatment equipment 14 can be set to one, also can be provided separately.
As shown in Figure 1, in order to realize mobile operational process, this sludge drying device can also arrange moveable worktable 8, and moveable worktable 8 comprises is located at the Mobile support device 7 bottom worktable, the support 1 being located at worktable top and first control device.First control device controls the motion of the device on worktable 8 and worktable 8, comprises mobile and/or rotates.First control device comprises the first Controlling System 11 and the first drive unit 6.Support 1 is connected with solar energy collection device 3, and the first Controlling System 11 controls the motion of the device on the first drive unit 6 operative employee station 8 and worktable 8.
, also photosensor 5 can be connected by wire 10 with the first Controlling System 11, to realize the motion controlling beam condensing unit 3 by the first Controlling System 11 meanwhile.
Mobile support device 7 can realize movement and the support of worktable 8, in order to better realize the rotating function of worktable 8, also can arrange rotating shaft 9, supplemental support and realize the good rotating effect of worktable 8.
First Controlling System 11 comprises computer controlling center.
As depicted in figs. 1 and 2, solar energy collection device, solar energy transmitting device 4, solar energy conversion system 16, hot air flow generating apparatus 12 or any one device of sludge treatment equipment 14 or be all located on moveable worktable 8.All devices are all arranged on moveable worktable and make facility compact, and floor space is little, is convenient to equipment moving.If be designed to large-scale sludge dewatering treatment device, each device can not be located on worktable.
As depicted in figs. 1 and 2, hot air flow generating apparatus 12 comprises hot air flow generating apparatus body 21, heat exchanger 15, solar energy conversion system 16, gas input port 17, gas delivery port, the 3rd control device and gas outlet duct 19, gas input port 17 and gas delivery port are located on hot air flow generating apparatus body 21, heat exchanger 15 and solar energy conversion system 16 can be located on hot air flow generating apparatus body 21, gas heating process can be completed better like this, avoid the wasting of resources.
Gas outlet duct 19 is connected with gas delivery port.Hot gas is delivered to sludge treatment equipment 14 by gas outlet duct 19.
Hot air flow generating apparatus body 21 is cavitys of a hollow, can hold gas in cavity, can be set to cylindric or other shape.Wherein, gas used comprises air, rare gas element or industrial tail gas.Preferred air, because air is easy to obtain.
In order to ensure that hot gas is better delivered to sludge treatment equipment 14, hot air flow generating apparatus 12 can also arrange induced draft fan 13, and induced draft fan 13 is effectively delivered to warm air in sludge treatment equipment body 24.
Heat exchanger 15 becomes high-temperature gas cryogenic gas heating.
Solar energy conversion system 16 comprises the good conductor sheet material of heat.
3rd control device controls hot air flow generating apparatus 12 and each device thereof.3rd control device comprises the 3rd Controlling System 18 and the 3rd drive unit 20, wherein, 3rd drive unit 20 drives the motion of hot air flow generating apparatus 12 and each device thereof, and can regulate the distance between solar energy collection device, the temperature of regulation and control hot gas flow.3rd control device, when controlling hot air flow generating apparatus gas flow temperature, is undertaken by the 3rd Controlling System 18, the 3rd drive unit 20 and temperature sensor.
During work, hot air flow generating apparatus body 21 is connected with heat exchanger 15 with solar energy conversion system 16, solar energy conversion system 16 is heat energy light energy conversion, passes to heat exchanger 15, and heat exchanger 15 is converted into hot gas by heat exchange cold air.
As shown in figures 1 and 3, sludge treatment equipment 14 comprises sludge treatment equipment body 24, heater gas inlet port 23, sludge inlet 22, mud discharge port 27, collecting tank 28, tail gas discharge outlet 29, cleaning apparatus 31, deodorizing device 32 and second control device.Heater gas inlet port 23, sludge inlet 22, mud discharge port 27 and tail gas discharge outlet 29 are located on sludge treatment equipment body 24.
Wherein collecting tank 28, cleaning apparatus 31, deodorizing device 32 form exhaust gas processing device, and when arranging, cleaning apparatus 31, deodorizing device 32 or collecting tank 28 are located at outside tail gas discharge outlet 29.Consider particular case when arranging, above-mentioned cleaning apparatus 31, deodorizing device 32 or collecting tank 28 can be selected simultaneously to arrange, also can select a setting.
Sludge treatment equipment body 24 is the cavity of a hollow, can be set to cylindric or other shapes.
In order to ensure the treatment effect of mud, sludge treatment equipment can also comprise prilling granulator 26, and the sludge treatment after dehydration is become particulate state by described prilling granulator.
Prilling granulator 26 involving vibrations screen cloth, grid, directly can be located at sludge treatment equipment body 24 inner, or independently arrange common prilling granulator.Common prilling granulator refers to general granulation of fertilizer machine.Independently prilling granulator can be located at sludge treatment equipment body 24 outside.
Mud granule diameter after process is 1 millimeter to 50 millimeters.Be convenient to so effectively utilize the mud after processed.
Second control device comprises the second drive unit 25 and the second Controlling System 30, and second control device controls the operation of temperature in the sewage sludge feed of sludge treatment equipment, mud discharging, tail gas discharge, cleaning apparatus, prilling granulator and sludge treatment equipment body.Second Controlling System 30 comprises computer controlling center, in order to realize the automatic control function of second control device, and can also selective temperature sensor and under meter.
In order to better process the tail gas of discharge, outside tail gas discharge outlet 29, be provided with dust removal installation 31, deodorizing device 32 and collecting tank 28.In sludge treatment equipment body 24, pending mud is heated, and contained moisture is by thermal evaporation, and wet mud is converted into dry mud, and simultaneously the granular sludge of drying, export with fine granularity, granular size is 1-30 millimeter.Tail gas passes into dust removal installation 31, deodorizing device 32 and collecting tank 28 by tail gas discharge outlet 29, makes the tail gas clean-up of discharge.
Sludge moisture content after processed is no more than 50%.
Concrete treating processes is as follows:
During work, solar energy collection device is after solar ray collecting, solar energy conversion system 16 is transferred to by solar energy transmitting device 4, solar energy conversion system 16 becomes heat energy light energy conversion, solar energy conversion system thermal energy transfer to heat exchanger 15, heat exchanger 15 thermal energy transfer to the gas in hot air flow generating apparatus body 21, hot gas is transported to sludge treatment equipment 14, heat energy makes the water in pending mud absorb heat to become steam and discharged by tail gas discharge outlet 29, thus reduce the water content of mud, make sludge drying.Mud after mummification can be used for for heat and generating power etc.
Pending mud pushes away pump, transport tape or transfer tube etc. by axle and adds in sludge treatment equipment body 24 by sludge inlet 22, heat through overheated gas, moisture evaporation removing in mud, mud is by mummification, and prilling granulator 26 discharges sludge treatment equipment 14 by mud discharge port 27 after mud is further converted to small-particle.Dewatered sludge particle after processed can be used as fuel, obtains innoxious resistates after burning, can be used for paving the way, making cement etc.
By the technical scheme of the invention described above, can realize the drying and other treatment of mud, obtain dry mud, water content can below 35%, also can as required, and conditioning equipment obtains required dewatered sludge.
Several specific embodiment is as follows:
Embodiment one, solar energy collection device is formed by butterfly concave mirror, all devices are all placed on worktable 8, hot gas temperature is regulated to be 350 degree, mud in sludge treatment equipment 14 by heat temperature raising, water is heated to vaporize to be removed and obtains dry mud, and prilling granulator 26 makes dried mud be 2-20 mm dia particulate state.Granule sludge is discharged by the mud discharge port 27 of sludge treatment equipment 14, granular dewatered sludge moisture 48%, can be used as fuel.
Embodiment two, solar energy collection device is formed by butterfly concave mirror, all devices are all placed on worktable 8, hot gas temperature is regulated to be 1800 degree, mud in sludge treatment equipment 14 by heat temperature raising, water is heated to vaporize to be removed and obtains dry mud, and prilling granulator 26 makes dried mud be 2-20 mm dia particulate state.Granule sludge is discharged by the mud discharge port 27 of sludge treatment equipment 14, granular dewatered sludge moisture 28%, can be used as fuel.
Embodiment three, solar energy collection device is formed by butterfly concave mirror, all devices are not all placed on worktable 8, the moisture mud of about 85% in sludge treatment equipment 14 by heat temperature raising, hot gas temperature is 550 degree, water is heated vaporization, and obtain the sludge-drying that water content is less than 30%, granulating equipment 26 makes dried mud be 2-30 mm dia particulate state.Granule sludge is discharged by the mud discharge port 27 of sludge treatment equipment 14, and granular dewatered sludge is used as fuel, and obtain innoxious resistates after burning, major ingredient is metal oxide and salt, may be used for baking bricks, paving the way.
Embodiment four, solar energy collection device is formed by column concave mirror, the moisture mud of about 85% in sludge treatment equipment 14 by heat temperature raising, all devices are not placed on worktable 8, hot gas temperature is 1250 degree, water is heated to vaporize to be removed and obtains dry mud, and prilling granulator 26 makes dried mud be 2-20 mm dia particulate state.Granule sludge is discharged at the mud discharge port 27 of sludge treatment equipment 14, water content 28.5%, and granular dewatered sludge is used as fuel.
Embodiment five, forms solar energy collection device by large-scale column concave mirror, and solar energy conversion system 16, hot air flow generating apparatus 12 and sludge treatment equipment 14 are not put on the table.Hot gas temperature 450 degree, mud is by heat temperature raising in sludge treatment equipment 14, and water is heated to vaporize to be removed and obtains dry mud, and prilling granulator 26 makes dried mud be 1-30 mm dia particulate state.Granule sludge is discharged by the mud discharge port 27 of sludge treatment equipment 14, and granular dewatered sludge can be used as fuel.
Embodiment six, solar energy collection device is formed by Fresnel Lenses, all devices are all placed on worktable 8, hot gas temperature is regulated to be 320 degree, mud in sludge treatment equipment 14 by heat temperature raising, water is heated to vaporize to be removed and obtains dry mud, and prilling granulator 26 makes dried mud be 2-30 mm dia particulate state.Granule sludge is discharged by the mud discharge port 27 of sludge treatment equipment 14, granular dewatered sludge moisture 29%, can be used as fuel.
Embodiment seven, solar energy collection device is formed by Fresnel Lenses, all devices are not placed on worktable 8, hot gas temperature is regulated to be 280 degree, mud in sludge treatment equipment 14 by heat temperature raising, water is heated to vaporize to be removed and obtains dry mud, and prilling granulator 26 makes dried mud be 2-30 mm dia particulate state.Granule sludge is discharged by the mud discharge port 27 of sludge treatment equipment 14, granular dewatered sludge moisture 31%, can be used as fuel.
Embodiment eight, solar energy collection device is formed by Fresnel Lenses, do not use solar energy transmitting device 4, the light converged shines directly into light energy conversion device 16, all devices are all put not on worktable 8, regulate hot gas temperature be 280 degree, mud in sludge treatment equipment 14 by heat temperature raising, water is heated to vaporize to be removed and obtains dry mud, and prilling granulator 26 makes dried mud be 2-45 mm dia particulate state.Granule sludge is discharged by the mud discharge port 27 of sludge treatment equipment 14, granular dewatered sludge moisture 31%, can be used as fuel.
Embodiment nine, solar energy collection device is formed by butterfly concave mirror, do not use solar energy transmitting device 4, the light converged shines directly into light energy conversion device 16, all devices are all placed on worktable 8, regulate hot gas temperature be 580 degree, mud in sludge treatment equipment 14 by heat temperature raising, water is heated to vaporize to be removed and obtains dry mud, and prilling granulator 26 makes dried mud be 2-30 mm dia particulate state.Granule sludge is discharged by the mud discharge port 27 of sludge treatment equipment 14, granular dewatered sludge moisture 47%, can be used as fuel.
By the technical scheme of the invention described above, sludge drying process can be realized, obtain dry mud and can be used for heat supply, generating and production etc.This equipment cost is cheap, is easy to safeguard, exothermal process is free from environmental pollution, does not produce carbonic acid gas, is clean energy.Equipment of the present invention and correlation technique not only can improve and expand utilization ratio and the use range of sun power, promote heliotechnics fast-developing, promote the technology upgrading of solar energy industry.And, the object of the minimizing of mud and harmless treatment, resource regeneration, energy-saving and emission-reduction and protection of the environment can be realized.This is also distinguishing feature of the present invention.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (25)
1. a sludge drying device, is characterized in that, comprises solar energy collection device, solar energy transmitting device, solar energy conversion system, hot air flow generating apparatus, sludge treatment equipment and moveable worktable; The luminous energy collected is transferred to solar energy conversion system by solar energy transmitting device by solar energy collection device, and described hot air flow generating apparatus is located between solar energy conversion system and sludge treatment equipment; Solar energy conversion system is located on sludge treatment equipment or hot air flow generating apparatus, and light energy conversion is heat energy by solar energy conversion system; Described moveable worktable comprises is located at the Mobile support device bottom worktable, the support being located at worktable top and first control device; Described support is connected with described solar energy collection device, and first control device controls the motion of worktable and support; Hot stream temperature in sludge treatment equipment be 280 degrees Celsius to 1800 degrees Celsius, complete sludge dewatering treatment, the sludge moisture content after described processed is no more than 50%.
2. sludge drying device according to claim 1, is characterized in that, in described sludge treatment equipment, hot gas flow Heating temperature to 280 is degree Celsius to 850 degrees Celsius.
3. sludge drying device according to claim 1, it is characterized in that, described solar energy collection device, solar energy transmitting device, solar energy conversion system, hot air flow generating apparatus or the arbitrary device of sludge treatment equipment or be all located on moveable worktable.
4. sludge drying device according to claim 1, is characterized in that, described first control device comprises the first Controlling System and the first drive unit, and the first Controlling System controls the first drive unit motion.
5. sludge drying device according to claim 1, is characterized in that, described moveable worktable also comprises rotating shaft, realizes the rotation of worktable.
6. sludge drying device according to claim 1, is characterized in that, described solar energy collection device comprises beam condensing unit and tracking device, and tracking device controls the beam condensing unit tracking sun and moves.
7. sludge drying device according to claim 6, is characterized in that, described beam condensing unit comprises concave mirror or lens.
8. sludge drying device according to claim 7, is characterized in that, described concave mirror comprises column concave mirror or disk like concave mirror; Described lens comprise convex lens or Fresnel Lenses.
9. the sludge drying device according to claim 1 or 6, is characterized in that, described tracking device comprises the sequence of control be located in first control device.
10. the sludge drying device according to claim 1 or 6, is characterized in that, described tracking device comprises photosensor.
11. sludge drying devices according to claim 1, is characterized in that, described solar energy transmitting device comprise in light reflecting device, light refraction device and luminous energy transfer line or luminous energy transmission pipeline three kinds any one.
12. sludge drying devices according to claim 1, it is characterized in that, described hot air flow generating apparatus comprises hot air flow generating apparatus body, heat exchanger, gas input port, gas delivery port and gas outlet duct, gas input port and gas delivery port are located on hot air flow generating apparatus body, and gas outlet duct is connected with gas delivery port.
13. sludge drying devices according to claim 12, is characterized in that, described hot air flow generating apparatus body comprises the cavity of a hollow, hold gas in cavity.
14. sludge drying devices according to claim 13, is characterized in that, described gas comprises air, rare gas element or industrial tail gas.
15. sludge drying device according to claim 12, is characterized in that, described hot air flow generating apparatus also comprises the 3rd control device, and the 3rd control device controls hot air flow generating apparatus and each device thereof.
16. sludge drying devices according to claim 15, is characterized in that, the 3rd described control device comprises the 3rd Controlling System and the 3rd drive unit, and the 3rd Controlling System controls the 3rd drive unit operation hot air flow generating apparatus and each device thereof.
17. sludge drying devices according to claim 12, is characterized in that, described hot air flow generating apparatus also comprises induced draft fan, and described induced draft fan is located on hot air flow generating apparatus body, gas outlet duct or gas delivery port position.
18. sludge drying devices according to claim 1, it is characterized in that, described sludge treatment equipment comprises sludge treatment equipment body, heater gas inlet port, sludge inlet, mud discharge port, tail gas discharge outlet and second control device, wherein, heater gas inlet port, sludge inlet, mud discharge port and tail gas discharge outlet are located on sludge treatment equipment body.
19. sludge drying devices according to claim 18, it is characterized in that, described sludge treatment equipment also comprises exhaust gas processing device, described exhaust gas processing device is located at outside tail gas discharge outlet.
20. sludge drying devices according to claim 19, it is characterized in that, described exhaust gas processing device comprise in cleaning apparatus, deodorizing device and collecting tank three kinds any one or several, described cleaning apparatus, deodorizing device or collecting tank are located at outside tail gas discharge outlet.
21. sludge drying devices according to claim 18, it is characterized in that, described sludge treatment equipment also comprises prilling granulator, sludge treatment is become particulate state by described prilling granulator.
22. sludge drying devices according to claim 21, is characterized in that, described prilling granulator comprises is located at the intrinsic vibration screen of sludge treatment equipment or grid, or are located at this external independent prilling granulator of sludge treatment equipment.
23. sludge drying device according to claim 21, is characterized in that, the mud granule diameter after described process is 1 millimeter to 50 millimeters.
24. sludge drying devices according to claim 18, is characterized in that, described sludge treatment equipment body comprises the cavity of a hollow.
25. sludge drying devices according to claim 18, it is characterized in that, described second control device comprises the second drive unit and the second Controlling System, and the second Controlling System controls the second drive unit and then controls the operation of temperature in the sewage sludge feed of sludge treatment equipment, mud discharging, tail gas discharge, exhaust gas processing device, prilling granulator or sludge treatment equipment body.
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| CN201210060277.4A CN102603147B (en) | 2012-03-09 | 2012-03-09 | Sludge drying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106946437B (en) * | 2017-05-05 | 2019-06-25 | 中国计量大学 | Sludge drier |
| CN109020146B (en) * | 2018-09-03 | 2021-06-25 | 哈尔滨工业大学 | Automatic sludge fuel device and method based on solar greenhouse |
| CN109052904A (en) * | 2018-09-17 | 2018-12-21 | 湖北大学 | Self-propelled luminous energy sludge drying device |
| CN109912171B (en) * | 2019-03-04 | 2022-06-10 | 光大环保技术研究院（南京）有限公司 | Sludge drying device based on industrial waste heat |
| CN110257092A (en) * | 2019-06-10 | 2019-09-20 | 辽东学院 | Solar energy crops stalk stem carbonizing plant |
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