CN105948454A - Treatment method for industrial sludge and heat pump-solar coupling system implementing method - Google Patents
Treatment method for industrial sludge and heat pump-solar coupling system implementing method Download PDFInfo
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- CN105948454A CN105948454A CN201610550244.6A CN201610550244A CN105948454A CN 105948454 A CN105948454 A CN 105948454A CN 201610550244 A CN201610550244 A CN 201610550244A CN 105948454 A CN105948454 A CN 105948454A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
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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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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the field of industrial sludge treatment, in particular to a treatment method for industrial sludge and a heat pump-solar coupling system implementing the method. The method is characterized in that heat, collected by a sewage source heat pump, of sewage, heat, collected by a gas source pump, of waste gases generated in the sewage treatment process, and heat collected by a solar evacuated tube are used for drying industrial sludge; the sludge is dried until the water content is below 40 percent and is prepared into particles with millimeter grade; the particles are carbonized to obtain carbonized sludge. The invention further provides a corresponding heat-pump-solar energy coupling system, and the safe and energy-saving operation of the method is realized. According to the treatment method and the heat-pump-solar energy coupling system disclosed by the invention, self-owned resources of a sewage plant and solar energy are applied to sludge drying, so that energy consumption of the sludge drying process is greatly reduced, and the aim of saving energy is achieved; by using a sludge carbonizing technology, the sludge can be effectively treated; in addition, the sludge can be prepared into activated carbon with high added value, thereby really realizing resource treatment, such as reduction and harmlessness of sludge treatment.
Description
Technical field
The present invention relates to industrial sludge process field, in particular to a kind of industrial sludge process side
Method and the heat pump-solar energy coupled system of enforcement the method.
Background technology
Industrial sludge refers to the mud that Industrial Wastewater Treatment station produces, and general inorganic mud is more, contains
Produce the chemical composition in waste water, belong to the useless class of danger.The processing mode of industrial sludge is generally: dehydration
Select disposal options to recycle, isolation fills, innoxious burning.But the work after Chu Liing
Industry Sludge landfill or burning, not only workload is big, and can cause earth's surface potentially hazardous.
It addition, existing sludge drying technique uses artificial heat, its operation temperature (for mud granule)
Be typically larger than 100 DEG C, by diafiltration or evaporation etc. act on, from mud remove major part water content thus
Reach deep dehydration (its moisture content can be controlled in less than 20%), and then be easy to landfill.Therefore, mud
Drying process is the process of a Net Energy expenditure, energy expenditure height.
In view of this, the special proposition present invention.
Summary of the invention
The first object of the present invention is to provide a kind of industrial sludge treatment method, and this technique collects dirt
The heat of water, waste gas and solar energy, this heat of collection, for the mummification of industrial sludge, saves energy
Source；And the mud after mummification carries out carbonization, the Organic substance in mud is by carbonization, the mud after carbonization
Character is similar to activated carbon, can be widely applied to the dirt after the purposes, and carbonization such as absorbing and deodorizing dehydration
Mud volume is greatly reduced, and without toxic gas etc. in mud, does not results in secondary pollution, it is achieved that resource
Change processes.
The second object of the present invention is to provide a kind of heat pump implementing described industrial sludge treatment method
-solar energy coupled system, this device arranges simply, collects energy effective, it is easy to industrial applications.
In order to realize the above-mentioned purpose of the present invention, spy by the following technical solutions:
A kind of industrial sludge treatment method, by industry sludge drying, the heat that described mummification is used comes
Coming from sewage uses the waste gas produced in the heat of sewage source heat pump collection, sewage disposal process through too
The heat that sun is collected with heat and the solar energy vacuum tube of air supply heat pump collection after heating；
Sludge drying to water content is less than 40%, and carries out carbonization after making grade granule, system
Obtain carbonization mud.
The present invention utilizes Sewage Plant homegrown resource to carry out production capacity, specifically, comprehensively extracts waste gas, waste water
In low potential energy, be converted into high level heat, be applied in sludge drying, be substantially reduced sludge drying mistake
The power consumption of journey, reaches energy-conservation purpose.
Specifically, sewage is a kind of renewable heat resource containing abundant Lowlevel thermal energy, uses heat pump
This Lowlevel thermal energy is converted into high level heat, and utilizes this heat energy that mud in factory is carried out mummification,
Heat energy is utilized nearby.Not only the heat energy of sewage can utilize, the heat energy in the distributed waste gas of Sewage Plant
Also can utilize.Sewage Plant is in running, and each processing unit all can produce foul smell, waste gas
Processing and the most increasingly paid attention to by technical staff, the most more widespread practice is to add a cover, by air inducing
Power traction is to exhaust treatment system.And the present invention before exhaust-gas treatment by collect waste gas through solar energy liter
Temperature, then by heat pump techniques, this heat energy is applied to sludge drying, after the utilization of this technology also can reduce
The load of continuous odor treating device, and, solar energy provides energy as supplementary energy for Sewage Plant,
Safely cleaning.Additionally also setting up solar energy vacuum tube, the heat of collection is also simultaneously used for the mummification of mud.
The present invention utilizes heat pump-heliotechnics to couple institute's heat production can carry out drying and other treatment to mud, and mud is aqueous
Rate is substantially reduced, and whole process make use of the energy and the sun that Sewage Plant self runs off to greatest extent
The heat of energy, it is achieved that the clean energy-saving of mud drying process produces.
It addition, the present invention is also by the organic matter carbonizing in the mud after mummification, the sludge quality after carbonization
It is similar to activated carbon, can be widely applied to the purposes such as absorbing and deodorizing dehydration, there is economic worth.And
Sludge volume after carbonization is little, without toxic gas etc. in mud, does not results in secondary pollution.So it is dirty
Paludification is a kind of not only will not to have damaged environment but also can the economical treatment technology of resource reusing.Sludge carbonization
Technology can not only effectively process mud, moreover it is possible to is made into the activated carbon with high added value, really real
The minimizing of sludge treatment, the disposal of resources such as innoxious are showed.
For now, main research of technique point is to improve Solar use, and Fresnel Lenses is made
It is greatly improved the focusing of sunlight for a kind of solar energy condenser lens, improves solar energy utilization ratio with this.
Preferably, the thermal source heating described waste gas is mainly derived from Fresnel Lenses gathering sunlight collection
Heat.
Due to sewage complicated component and instability, the sewage of employing is usually through pretreated, to the greatest extent
So, owing to the internal structure of heat pump is the most complicated, not easy cleaning, therefore, the present invention is by sewage for pipe
First passing through centrifugal sewage heat exchanger to process, it solves well containing bigger float, granule or thing
The medium of body causes the situation that sewage source heat pump blocks, and avoids the cleaning taken time and effort simultaneously,
And the heat making waste water middle-low grade is fully applied.Preferably, described sewage first passes through centrifugal sewage
Heat exchanger processes, then uses sewage source heat pump to collect heat.
Further, described carbonization is carried out under anaerobic, and the temperature that described carbonization uses is
700-800 DEG C, the time of described carbonization is 30-60min.
" do under conditions of mud is carried out anaerobic or micro-oxygen in carbonizer by sludge carbonization technology
Slip ", make the moisture in mud be evaporated, remain the carbon value mistake in mud the most to greatest extent simultaneously
Journey.Organic substance in mud is similar to activated carbon by carbonization, the sludge quality after carbonization, can be extensive
For purposes such as absorbing and deodorizing dehydrations.And sludge volume after carbonization is little, without toxic gas in mud
Deng, do not result in secondary pollution.So sludge carbonization is one not only will not damage environment but also can resource return
Economical treatment technology.Sludge carbonization technology can not only effectively process mud, moreover it is possible to is made into
There is the activated carbon of high added value, be truly realized the disposal of resources of garbage.
In carbonization process, mud progressively heated up before this, and temperature reaches to there are about 75% when 200 DEG C～500 DEG C
Organic substance resolves into mummification gas (water, carbon dioxide, carbon monoxide), is warmed to when 800 DEG C produce do
Evaporate gas and carbide, wherein containing carbon monoxide, cyano group, ammonia etc. in carbonization gas.If the gas that will produce
Body directly discharges then can be to environmental concerns, it is therefore preferred that at the waste gas of described carbonization process
Discharge after reason.
Further, the carbonization gas aerator that described carbonization process produces imports air stove, and
At 850 ± 5 DEG C, burning carries out deodorization completely.Temperature is too high can produce new waste gas；In air stove
The energy can derive from kerosene and diesel combustion.
Mummification gas then can discharge after simple burning, it is possible to processes together with carbonization gas.
Present invention also offers the heat pump-solar energy coupled systemes of industrial sludge treatment method described in enforcement
System, including: sewage source heat pump, exhaust gas source heat pump, solar energy vacuum tube, mud drying device, charcoal
Gasifying device；
Described sewage source heat pump, exhaust gas source heat pump, solar energy vacuum tube fill with described sludge drying respectively
Put connection；
Described mud drying device is connected with described carbonizing apparatus.
Heat pump-solar energy the coupled systemes of the industrial sludge treatment method described in enforcement that the present invention provides
System, sets gradually each device, simple, and the process offer for mud rationally effectively processes dress
Put.
Wherein, mud drying device typically uses drying baker；Carbonizing apparatus uses retort.
Further, described heat pump-solar energy coupled system also includes gas collecting apparatus and Fresnel Lenses,
The energy that described Fresnel Lenses is collected is the heating of gas in described gas collecting apparatus, and described gas collection fills
Put and be connected with described exhaust gas source heat pump.
Further, described heat pump-solar energy coupled system also includes centrifugal sewage heat exchanger, described from
Heart sewage heat exchanger is connected with described sewage source heat pump.I.e. sewage first passes through at centrifugal sewage heat exchanger
Reason, enters back into sewage source heat pump, solves the most well containing bigger float, granule or object
Medium cause the situation that sewage source heat pump blocks, avoid the cleaning taken time and effort simultaneously, and
And make the heat of waste water middle-low grade fully apply.
Further, described heat pump-solar energy coupled system also includes chiller, described chiller
It is connected with described carbonizing apparatus.Chiller is for cooling down the carbonizing production in carbonizing apparatus.
Further, described heat pump-solar energy coupled system also includes aerator and air stove, described charcoal
Gasifying device is connected with described air stove by described aerator；
Described air stove is also connected with described carbonizing apparatus.
Retort used in the present invention is provided with inner core and urceolus, and the mud of mummification is by the spiral of feeding machine
Feeder is delivered in the inner core of retort.In carbonization process, inner core rotates slowly, and mud is at inner core
It is heated and thermally decomposes.
At first mud temperature reach to there are about when 200 DEG C～500 DEG C the Organic substance of 75% resolve into mummification gas (water,
Carbon dioxide, carbon monoxide), it is warmed to when 800 DEG C produce carbonization gas and carbide, wherein carbonization gas
In containing carbon monoxide, cyano group, ammonia etc., carbonization gas flows out to urceolus, then imports heat with aerator
Wind furnace, the carbonization gas that air stove is discharged can be 850 ± 5 DEG C of deodorization of burning completely.Burn for carbonization gas
Heat kerosene, diesel oil, LPG etc. can be used as auxiliary fuel.Air stove expellant gas delivers to carbonization
Stove urceolus, indirectly heats mud from inner tube wall.So utilize combustion gas to heat mud, can significantly subtract
Few energy cost.
Be furnished with on the downside of drying baker in the present invention heat pump heat distribution system, expansion valve, cold-producing medium, blower fan with
And pipeline, all there is airduct to be connected between heat pump with drying baker, airduct is provided with volume damper,
Being provided with air flow sensor in heat pump, air flow sensor is all connected with controller with volume damper；
It is additionally provided with the Temperature Humidity Sensor to drying baker on controller, can come according to the humiture in drying baker
Regulate the air quantity on each system airduct so that under conditions of drying system is in closed circulation, not with
External environment is connected.
Compared with prior art, the invention have the benefit that
(1) on the basis of sewage treatment plant is existing, the coupling of heat pump-heliotechnics is applied to sewage,
The thermal energy collecting of waste gas the mud producing sewage treatment plant carry out drying and other treatment, it is achieved that the energy is just
Nearly utilization, is to realize the effective way that integrated wastewater utilizes；After mummification, mud carries out sludge carbonization again,
Obtained carbonization mud is similar to activated carbon, it is achieved that the disposal of resources of garbage.
(2) water outlet after the waste water i.e. second pond discharged after Sewage Plant is processed by sewage source heat pump carries
Take its low temperature heat energy, by sewage source heat pump unit, be promoted to high temperature heat and be used for sludge drying,
The secondary being achieved in sewage utilizes, and turns waste into wealth, and improves the utilization rate of resource.
(3) each stage of sewage treatment plant can produce substantial amounts of waste gas, and waste gas can distribute stench,
Can have undesirable effect the resident of staff and surrounding, whole sewage disposal is produced by the present invention
Gas sampling gets up, and utilizes Fresnel Lenses more effectively direct light and the scattered light of sunlight to be filled
Divide and utilize, improve capacity usage ratio, gas is heated, then gas is utilized air source heat as thermal source
Its low level heat energy collected by pump, by waste gas Appropriate application, and reduces the load of follow-up odor removal,
Reach the purpose of pretreatment.
(4) on the one hand by tradition greenhouse dry technology, in conjunction with the development of automatic technology in the present age,
Use this clean energy resource of solar energy as the portion of energy source of sludge drying.
(5) under conditions of mud is carried out anaerobic or micro-oxygen in carbonizer by sludge carbonization technology
" dry slip ", makes the moisture in mud be evaporated, and remains the carbon in mud the most to greatest extent simultaneously
Value process.Organic substance in mud is by carbonization, and the sludge quality after carbonization is similar to activated carbon, permissible
It is widely used in the purposes such as absorbing and deodorizing dehydration.And sludge volume after carbonization is little, without poisonous in mud
Gas etc., do not result in secondary pollution.So sludge carbonization is one not only will not damage environment but also can provide
The economical treatment technology of source reuse.Sludge carbonization technology can not only effectively process mud, moreover it is possible to by it
Make the activated carbon with high added value, be truly realized the disposal of resources of garbage.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described.
The device schematic diagram implementing industrial sludge treatment method that Fig. 1 provides for the present invention.
Detailed description of the invention
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but this area skill
Art personnel are it will be appreciated that the following example is merely to illustrate the present invention, and are not construed as limiting the present invention
Scope.Unreceipted actual conditions person in embodiment, the condition advised according to normal condition or manufacturer
Carry out.Agents useful for same or instrument unreceipted production firm person, being can be by commercially available purchase acquisition
Conventional products.
A kind of industrial sludge treatment method, by industry sludge drying, the heat that described mummification is used comes
Coming from sewage uses the waste gas produced in the heat of sewage source heat pump collection, sewage disposal process through too
The heat that sun is collected with heat and the solar energy vacuum tube of air supply heat pump collection after heating；
Sludge drying to water content is less than 40%, and carries out carbonization after making grade granule, system
Obtain carbonization mud.
1, the heat that sewage source heat pump is collected
The main operational principle of sewage source heat pump is as follows:
By sewage source heat pump compressor assembly, consume a small amount of electric energy, in the winter time being stored in water
Lowlevel thermal energy " extracts " out, for user's heat supply, then indoor heat " is extracted " summer
Come, be discharged in water, thus reduce room temperature, reach the effect of refrigeration.Its energy Flow is to utilize
Whole heat energy (i.e. the heat energy of electric energy+absorption) one that source pump institute consumed energy (electric energy) draws
Play row and transport to high temperature heat source, and play institute's consumed energy effect is to make media collapse to High Temperature High Pressure shape
State, thus reach to absorb the effect of heat energy in low-temperature heat source.
The present invention use sewage be generally the trade effluent after two stage treatment.While it is true,
Trade effluent composition is the most complicated and unstable, and owing to the internal structure of heat pump is the most complicated, is difficult to clear
Washing, therefore, sewage first passes through centrifugal sewage heat exchanger and processes, and it solves well containing the most outstanding
The medium of float, granule or object causes the situation that sewage source heat pump blocks, and avoids time-consuming consumption simultaneously
The cleaning of power, and make the heat of waste water middle-low grade fully apply.Therefore, in the present invention
Use first passes through the process of centrifugal sewage heat exchanger through pretreated trade effluent, then uses sewage
Heat collected by source heat pump.
Sewage water heat pump AOF calculation:
Heating energy coefficient 1.33, heating energy coefficient 0, cooling energy coefficient 0.66, refrigerated energy-saving system
Several 0.If unit sewage quantity is with 105m3Meter, utilizing the sensible heat temperature difference is 5 DEG C, then may utilize cold and hot amount and be
2.1×109KJ.Can be calculated by above-mentioned data and formula: during heating, primary energy (coal-fired) can be saved,
Be equivalent to 71.3 tons (22800 yuan) coal-fired.Primary energy (combustion gas) can be saved, be equivalent to 40.7 tons
(48800 yuan) combustion gas.During refrigeration, primary energy (coal-fired) can be saved, be equivalent to 19 ton (6100
Unit) coal-fired.Primary energy (combustion gas) can be saved, be equivalent to 10.5 tons of (12600 yuan) combustion gas.
With 1000m3/ h sewage calculates, and when the sewage temperature difference is 5 DEG C, extractible heat is 5800kw,
If carrying out heat production by combustion standard coal about to need to consume 5000kg.The sewage of 100,000 tons is processed by this calculating
Day, production capacity was up to 580000000kw.
2, waste gas uses air supply heat pump to collect heat
Sewage Plant is in running, and each processing unit all can produce foul smell, and the process of waste gas the most more comes
More being paid attention to by technical staff, the most more widespread practice is to add a cover, air-introduced machine cause waste gas
Processing system.And the present invention before exhaust-gas treatment by collect waste gas through solar temperature rising, specifically,
Fresnel Lenses is used to be collected solar energy, with Fresnel Lenses as a kind of solar energy condenser lens
It is greatly improved the focusing of sunlight, improves solar energy utilization ratio with this, the temperature of the waste gas after heating
About 40 DEG C.The energy of collection is not directly used in the mummification of mud but first adds by Fresnel Lenses
Hot waste gas, then by heat pump techniques, this heat energy is applied to sludge drying, the purpose of do so is to improve
The stable supply of the sludge drying energy.It addition, the utilization of this technology also can reduce follow-up Odor control dress
The load put, and, solar energy provides energy, safely cleaning as supplementary energy for Sewage Plant.
Being computed, the waste gas of the Fresnel Lenses heating of 10m × 10m can be collected through air supply heat pump
Heat is 3870kwh.
3, the heat that solar energy vacuum tube is collected
Also setting up solar energy vacuum tube, the heat of collection is also simultaneously used for the mummification of mud, the most
The clean energy resource utilizing solar energy.
Solar energy uses vacuum tube heat absorbing, and air thermally contacts with vacuum tube as heat-carrying agent, band
Walk the sun heat wave that vacuum tube absorbs.Calculating according to the medium regional areas of China's solar energy resources, year is too
Sun radiation amount is 5850～6680MJ/m2, it is contemplated that with day amount of radiation 4.5～5.1kW h/m2, vacuum tube
Area calculates according to 144m2, and every day can produce the heat of about 740kwh.According to standard fire coal
Energy balane, the heat that standard coal burning produces is 7000 kilocalories/kilogram be converted into joule i.e.
29260J/kg, 740kwh are converted into joule 740 × 103× 3600J obtains the tonnage of coal: 740 ×
103× 3600/ (29260 × 1000)=91.0458 ton.
It addition, Fresnel Lenses and solar energy vacuum tube can select suitable size according to demand.
In summary, sewage is a kind of renewable heat resource containing abundant Lowlevel thermal energy, uses heat
This Lowlevel thermal energy is converted into high level heat by pump, and utilizes this heat energy that mud in factory is carried out mummification,
Heat energy is utilized nearby.Not only the heat energy of sewage can utilize, the heat energy in the distributed waste gas of Sewage Plant
Also can utilize.Sewage Plant is in running, and each processing unit all can produce foul smell, waste gas
Processing and the most increasingly paid attention to by technical staff, the most more widespread practice is to add a cover, by air inducing
Power traction is to exhaust treatment system.And the present invention is special through solar energy by the waste gas of collection before exhaust-gas treatment
It not that the energy that Fresnel Lenses is collected heats up, then by heat pump techniques, this heat energy is applied to dirt
Mud mummification, the utilization of this technology also can reduce the load of follow-up emission-control equipment, and, solar energy
Energy, safely cleaning is provided for Sewage Plant as supplementary energy.Additionally also set up solar energy vacuum tube,
The heat collected also is simultaneously used for the mummification of mud.
As can be seen here, the present invention utilizes the heat production of heat pump-heliotechnics coupling institute can do mud
Change processes, and draws materials nearby, comprehensively extracts the low potential energy in waste gas, waste water, be converted into high level heat,
And use solar energy, and it being applied in sludge drying, whole process make use of Sewage Plant certainly to greatest extent
The energy of body loss and the heat of solar energy, be substantially reduced the power consumption of mud drying process, reaches joint
The purpose of energy, it is achieved that the clean energy-saving of mud drying process produces；And also reduce follow-up waste gas
The load of processing means.
Further, the present invention is by the organic matter carbonizing in the mud after mummification, the mud after carbonization
Matter is similar to activated carbon, can be widely applied to the purposes such as absorbing and deodorizing dehydration, has economic worth.And
And sludge volume after carbonization is little, without toxic gas etc. in mud, do not result in secondary pollution.So
Sludge carbonization is a kind of not only will not to have damaged environment but also can the economical treatment technology of resource reusing.Sludge carbon
Change technology can not only effectively process mud, moreover it is possible to is made into the activated carbon with high added value, really
Achieve the minimizing of sludge treatment, the disposal of resources such as innoxious.
Embodiment 1
A kind of industrial sludge treatment method, comprises the following steps:
Take industrial sludge, be put in drying baker；
Sewage uses the waste gas produced in the heat of sewage source heat pump collection, sewage disposal process through luxuriant and rich with fragrance alunite
Heat and solar energy that your lens are collected with air supply heat pump after assembling the heat of sunlight collection are true
The heat that blank pipe is collected imports drying baker, for sludge dehydrating and drying；
Sludge drying to water content is less than 40%, the mud of mummification is made grade granule, puts into
Retort, is heated to 700 DEG C, and the time is 60min, and cooling obtains carbonization mud.
Calculating by mud per ton, the activated carbon obtained is 40kg.
Embodiment 2
A kind of industrial sludge treatment method, comprises the following steps:
Take industrial sludge, be put in drying baker；
Sewage sewage heat exchanger by centrifugation uses sewage source heat pump to collect heat, the heat of collection after processing
It is passed through drying baker by heat pipe；
Fresnel Lenses assembles the waste gas that the heat gas collecting apparatus of sunlight collection is collected, after heating
Waste gas air supply heat pump collect heat be passed through drying baker by heat pipe；
The heat that solar energy vacuum tube is collected imports drying baker by heat pipe；
Drying baker is by controlling the heat sludge dehydrating and drying in the inner of separate sources；
Sludge drying is less than 40% to water content, makes grade granule, puts into retort, heating
To 800 DEG C, the time is 30min, and cooling obtains carbonization mud；
The carbonization gas aerator produced in carbonization process imports air stove, and at 850 ± 5 DEG C
Burning completely carries out deodorization；
The steam that air stove simultaneously produces is passed through in retort.
Calculating by mud per ton, the activated carbon obtained is 50kg.
Embodiment 3
A kind of industrial sludge treatment method, comprises the following steps:
Take industrial sludge, be put in drying baker；
Sewage sewage heat exchanger by centrifugation uses sewage source heat pump to collect heat, the heat of collection after processing
It is passed through drying baker by heat pipe；
Fresnel Lenses assembles the waste gas that the heat gas collecting apparatus of sunlight collection is collected, after heating
Waste gas air supply heat pump collect heat be passed through drying baker by heat pipe；
The heat that solar energy vacuum tube is collected imports drying baker by heat pipe；
Drying baker is by controlling the heat sludge dehydrating and drying in the inner of separate sources；
Sludge drying is less than 40% to water content, makes grade granule, puts into retort, heating
To 750 DEG C, the time is 45min, and cooling obtains carbonization mud；
The carbonization gas aerator produced in carbonization process imports air stove, and at 850 ± 5 DEG C
Burning completely carries out deodorization；
The steam that air stove simultaneously produces is passed through in retort.
Calculating by mud per ton, the activated carbon obtained is 45kg.
Be furnished with on the downside of drying baker in the present invention heat pump heat distribution system, expansion valve, cold-producing medium, blower fan with
And pipeline, all there is airduct to be connected between heat pump with drying baker, airduct is provided with volume damper,
Being provided with air flow sensor in heat pump, air flow sensor is all connected with controller with volume damper；
It is additionally provided with the Temperature Humidity Sensor to drying baker on controller, can come according to the humiture in drying baker
Regulate the air quantity on each system airduct so that under conditions of drying system is in closed circulation, not with
External environment is connected.
In the present invention, average mud per ton can produce 140 kilograms of carbonization mud, in these 140 kilograms of dirts
In mud, fixed carbon accounts for 25%-40%, is completely used as active sludge carbon, and mud per ton finally can produce 140
× 25%-140 × 40%kg active sludge carbon, the most significantly reduces the volume of mud, also creates huge
Big economic benefit.
The present invention directly utilizes the sewage after Sewage Plant two stage treatment and the produced waste gas low temperature as heat pump
Thermal source, so near heat user, saves the energy consumption of conveying heat, thus improves the economy of its system.
Solar collecting device as auxiliary energy supply is taked, with Fresnel Lenses and solar energy vacuum tube, to promote
The utilization rate of the sun.In current this energy crisis, under conditions of ecological deterioration, mud carbonization is because of it
There is no secondary pollution, turn waste into wealth, because its biochemistry again realizing resource will become a new generation's mud
Newly warding off for the treatment of technology, can realize reducing discharging and can producing economic benefit, kill two birds with one stone.
Although illustrate and describing the present invention with specific embodiment, but it will be appreciated that and do not carrying on the back
May be made that in the case of the spirit and scope of the present invention many other change and amendment.Therefore,
This means all these changes including belonging in the scope of the invention in the following claims and repair
Change.
Claims (10)
1. an industrial sludge treatment method, it is characterised in that by industry sludge drying, described dry
Change heat, sewage disposal process that the origin of heat used uses sewage source heat pump to collect in sewage
The waste gas of middle generation after solar energy heating with air supply heat pump collect heat and solar energy vacuum tube
The heat collected；
Sludge drying to water content is less than 40%, and carries out carbonization after making grade granule, system
Obtain carbonization mud.
Industrial sludge treatment method the most according to claim 1, it is characterised in that heating is described
The thermal source of waste gas derives from Fresnel Lenses and assembles the heat of sunlight collection.
Industrial sludge treatment method the most according to claim 1, it is characterised in that described sewage
First pass through centrifugal sewage heat exchanger to process, then use sewage source heat pump to collect heat.
Industrial sludge treatment method the most according to claim 1, it is characterised in that described carbonization
Carrying out under anaerobic, the temperature that described carbonization uses is 700-800 DEG C, and the time of described carbonization is
30-60min。
Industrial sludge treatment method the most according to claim 4, it is characterised in that described carbonization
Discharge after the exhaust-gas treatment of process.
Industrial sludge treatment method the most according to claim 5, it is characterised in that described carbonization
The carbonization gas aerator that process produces imports air stove, and burning is carried out completely at 850 ± 5 DEG C
Deodorization.
7. heat pump-the solar energy of enforcement industrial sludge treatment method described in any one of claim 1-6
Coupled system, it is characterised in that including: sewage source heat pump, exhaust gas source heat pump, solar energy vacuum tube,
Mud drying device, carbonizing apparatus；
Described sewage source heat pump, exhaust gas source heat pump, solar energy vacuum tube fill with described sludge drying respectively
Put connection；
Described mud drying device is connected with described carbonizing apparatus.
Heat pump the most according to claim 7-solar energy coupled system, it is characterised in that described
Heat pump-solar energy coupled system also includes gas collecting apparatus and Fresnel Lenses, and described Fresnel Lenses is collected
Energy heating of gas in the described gas collecting apparatus, described gas collecting apparatus and described exhaust gas source heat pump
Connect.
Heat pump the most according to claim 7-solar energy coupled system, it is characterised in that described
Heat pump-solar energy coupled system also includes centrifugal sewage heat exchanger, and described centrifugal sewage heat exchanger is with described
Sewage source heat pump connects；
Preferably, described heat pump-solar energy coupled system also includes chiller, described chiller with
Described carbonizing apparatus connects.
10., according to the heat pump described in any one of claim 7-9-solar energy coupled system, its feature exists
In, described heat pump-solar energy coupled system also includes that aerator and air stove, described carbonizing apparatus are passed through
Described aerator is connected with described air stove；
Described air stove is also connected with described carbonizing apparatus.
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