CN207632686U - A kind of energy-efficient recycling sludge utilizes system - Google Patents
A kind of energy-efficient recycling sludge utilizes system Download PDFInfo
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- CN207632686U CN207632686U CN201721049904.9U CN201721049904U CN207632686U CN 207632686 U CN207632686 U CN 207632686U CN 201721049904 U CN201721049904 U CN 201721049904U CN 207632686 U CN207632686 U CN 207632686U
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- retort
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- cracking gas
- sludge
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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
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a kind of energy-efficient recycling sludges to utilize system, and the cracking gas formed using retort is more efficient directly to drying oven and retort combustion heating.This programme realizes the cracking gas formed in retort and directly recycles, and maximally utilizing for energy is realized by the recycling of cracking gas, and the extra heat source for reducing retort and drying oven utilizes, and reduces cost of energy, reduces energy consumption.Whole process is safe, reliable, efficient, the generation of the secondary pollutions gas such as no bioxin.Final product activated carbon sludge composite adsorbing material, pollution of these solid waste to environment can be not only eliminated, can also further improve environment with the sorbing material of generation come treated sewage or pernicious gas, people's life quality is improved, there is significant social benefit.
Description
Technical field
The utility model is related to technical field of sludge treatment, more particularly to a kind of energy-efficient recycling sludge utilizes system
System.
Background technology
Sludge of sewage treatment plant is that product of sewage disposal, including micropopulation, organic substance and inorganic substances etc. are several
Part.5~10 tons of sludge (in terms of moisture content 80%) is about generated after per ten thousand stere sewage disposal.In sludge containing pathogen,
The poisonous and harmful substances such as heavy metal and persistent organism easily cause two without disposition is effectively treated to underground water, soil etc.
Secondary pollution, direct threatening environment safety and public health, make the environmental benefit of sewage treatment facility substantially reduce.
The technique of sludge treatment includes mainly both at home and abroad at present：Desiccation, compost, farmland utilization and land use are burned, are filled out
It buries and other comprehensive utilizations (brickmaking, potting grain etc.).Closely about ten years, developed country is with the gradually progress of contamination control, ring
The continuous improvement that border requires, has formulated higher sludge treatment standard, gradually limits soil directly application of sludge etc.
Traditional handicraft.
Charing is one of the main trend of specific resistance to filtration development, and it is multiple to possess that secondary pollution is small, minimizing is apparent etc.
Advantage.Sludge carbonization is exactly by heating and pressurizeing to sludge, make the cell cracking in biochemical sludge, force moisture therein
It releases, while remaining the process of the carbonaceous in sludge to the maximum extent again.However, existing sludge carbonization technology is inadequate
Maturation, there are of high cost, treatment effeciency is low, the thermal efficiency is low, energy consumption is big, take up a large area, equipment loss is high, foul smell is released
The high-volume problems such as big.To further decrease the energy expenditure during sludge carbonization, treating sludge cost is reduced, research and development are set
It is most important to count a kind of sludge carbonization process unit of more low energy consumption requirement.
Utility model content
In view of this, the utility model, which provides a kind of energy-efficient recycling sludge, utilizes system, retort is realized
The cracking gas of middle formation directly recycles, and realizes maximally utilizing for energy by the recycling of cracking gas, reduces charing
The extra heat source of stove and drying oven utilizes, and reduces cost of energy, reduces energy consumption.
To achieve the above object, the utility model provides the following technical solutions：
A kind of energy-efficient recycling sludge utilizes system, including drying oven and retort；The cracking gas of the retort
Outlet is in the combustion heating mechanism of the drying oven and/or the retort.
Preferably, the drying oven and/or the retort include outer layer furnace body and internal layer furnace body, and the outer layer furnace body is
The combustion heating mechanism, the internal layer furnace body are material treatment mechanism.
Preferably, the cracking gas outlet is respectively communicated with the outer layer furnace body in the drying oven and the retort.
Preferably, further include combustion-supporting gas storage tank, gas outlet is communicated in the described of the drying oven and/or the retort
Combustion heating mechanism.
Preferably, the outlet of the combustion-supporting gas storage tank is communicated in the drying oven after being mixed with the cracking gas of the retort
And/or the combustion heating mechanism of the retort.
Preferably, further include cracking gas storage tank, the cracking gas outlet of the retort is in the cracking gas storage tank
The cracking gas can be exported the combustion heating to the drying oven and/or the retort by import, the cracking gas storage tank
Mechanism.
Preferably, the cracking gas storage tank is pressurized storage tank.
It can be seen from the above technical scheme that energy-efficient recycling sludge provided by the utility model utilizes system,
The cracking gas formed using charing is directly to drying oven and retort combustion heating so that the more efficient effect of combustion heating.We
Case realizes the cracking gas formed in retort and directly recycles, and the maximization profit of energy is realized by the recycling of cracking gas
With the extra heat source for reducing retort and drying oven utilizes, and reduces cost of energy, reduces energy consumption.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram that the energy-efficient recycling sludge that the utility model embodiment provides utilizes system.
Wherein, 1 is LNG storage tank；2 be retort；3 be drying oven, and 31 be the upper opening of drying oven；4 be cracking gas storage tank；
5 be cooler；6 and 7 be wind turbine；8 be heat exchanger；9 be desulfurizer；10 be deodorization device；
A is flue gas, and B is material (dewatered sludge), and C is combustion-supporting gas, and D is the energy, and E is cracking gas, and F is activated carbon composite wood
Expect finished product, G is non-pollution discharge.
Specific implementation mode
The utility model discloses a kind of energy-efficient recycling sludges, and system, the recycling to heat, recycling to be utilized to split
It vents one's spleen and is mixed with a certain proportion of natural gas, directly the inner wall combustion heating to drying oven and retort, heat more efficient, this reality
Recycling burning is carried out with the novel gas not generated to drying oven, is only burnt to the gas of retort cracking so that burning
More efficient effect.The utility model is to be made into the adsorption material of NEW TYPE OF COMPOSITE containing activated carbon using residual active sludge as raw material
Material, has not only widened the raw material range for preparing sorbing material, while also achieving harmless treatment and the money of residual active sludge
Sourceization utilizes.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The energy-efficient recycling sludge that the utility model embodiment provides utilizes system, including drying oven 3 and retort
2, wherein reducing the moisture content of sludge by drying oven 3, retort 2 is cracked sludge high temperature using oxygen-free environment, this is certainly
System can also include being further processed device (cooler 5) to sludge after charing, and to drying flue gas and carbonize the place of flue gas
Manage device (such as wind turbine, heat-exchanger rig, desulfuring and denitrifying apparatus and biological deodorizing device)；Its core improvement is, retort 2
Cracking gas outlet is in the combustion heating mechanism of drying oven 3 and/or retort 2.
It can be seen from the above technical scheme that the energy-efficient recycling sludge that the utility model embodiment provides utilizes
System, for the cracking gas formed using retort 2 directly to 2 combustion heating of drying oven 3 and/or retort, heating is more efficient.We
The gas that case only cracks retort 2 burns, and the gas without being generated to drying oven 3 carries out recycling burning, avoids it
In mixed with a large amount of vapor influence efficiency of combustion so that efficiency of combustion is more efficient.The design realizes the formation of retort 2
Cracking gas directly recycle, maximally utilizing for energy is realized by the recycling of cracking gas, reduce retort 2 and dry
The extra heat source of dry stove 3 utilizes, and reduces cost of energy, reduces energy consumption.
Preferably, drying oven 3 and/or retort 2 include outer layer furnace body and internal layer furnace body, outer layer furnace body is combustion heating
Mechanism, internal layer furnace body are material treatment mechanism.Using ectonexine Proper Design, sludge material B is sent in internal layer by spiral way
Material, outer layer has burner arrangement, in the case where it lights effect, directly to the internal layer furnace body wall combustion heating equipped with sludge, structure letter
Single, operability is strong.
In the specific embodiment that this programme provides, cracking gas outlet is respectively communicated in the outer layer of drying oven 3 and retort 2
Internal layer furnace body is heated in furnace body burning, to make full use of recycling cracking gas.
The energy-efficient recycling sludge that the utility model embodiment provides utilizes system, further includes combustion-supporting gas storage tank,
Gas outlet is communicated in the combustion heating mechanism of drying oven 3 and/or retort 2.Also combustion-supporting pneumatic transmission to drying oven 3 and/or is split
LNG (natural gas) specifically may be used to optimize combustion efficiency therein in solution stove combustion heating.Preferably, first by cracking gas
It mixes, then is sent to drying oven 3 and/or pyrolysis furnace combustion heating, to improve efficiency of combustion with combustion-supporting gas C.Each object in above-mentioned mixing
Matter content can freely be matched according to actual condition.
In order to advanced optimize above-mentioned technical solution, this system further includes cracking gas storage tank 4, the cracking gas of retort 2
Outlet can quantitatively export cracking gas E in the import of cracking gas storage tank 4, cracking gas storage tank 4 to drying oven 3 and/or charcoal
Change the combustion heating mechanism of stove 2.It, can according to actual needs (opportunity, content) by cracking the intermediate storage effect of gas storage tank 4
Pneumatic transmission will be cracked to drying oven 3 and/or pyrolysis furnace, to reach the combustion heating of stable ideal, effect is more preferable, Optimum utilization rate.
Specifically, cracking gas storage tank 4 is pressurized storage tank, cracking gas pressurization is passed through cracking gas storage tank 4, can store more, avoid setting
Standby volume is excessive.
This programme is described further with reference to specific embodiment：
The energy-efficient recycling sludge of the utility model utilizes system, including rotary kiln drying oven, rotary kiln retort, splits
It vents one's spleen holding vessel, LNG storage tank 1, heat exchanger 8, sludge cooling device, desulfurizer 9 and biological deodorizing.Moisture content is about 60%
Activated sludge precursor drying oven 3 is entered by transmission belt, drying oven 3 passes through feed screw with retort 2 and connects with retort 2
It connects, while drying oven 3 is followed by wind turbine 6 and desulfurizer 9, and biological deodorizing device 10 is connected after desulfurizer 9.After retort 2
Connection point three tunnels, first, flue gas moves towards route after burning, the order of connection is wind turbine 7, heat-exchanger rig, desulphurization denitration dress respectively
Set (shared with drying oven 3) and biological deodorizing device (being shared with drying oven 3)；Two tunnels are that sludge moves towards route, and retort 2 connects
Cooler 5 reconnects active sludge carbon discharging bin；Three tunnels are that cracking gas moves towards route, and the order of connection is wind turbine, cracking gas storage tank 4
Respectively enter the outer layer furnace body burner of drying oven 3 and pyrolysis furnace again with LNG storage tank 1 (gas of the two is mixed by certain proportion)
Device is to carry out the burning of next step.
Concrete technology is as follows：It is defeated through feed screw by the sludge reconciled and the water content of preliminary press filtration is about 60%
It send to drying oven, the drying oven uses rotary kiln drying machine, the sludge design parameter moisture content 20% after drying, drying oven stove
Body includes two layers, cylinder internal diameter 2.0m, outer diameter 3.5m, barrel lenght 20m, cylinder inclination 4%, rotating speed 3r.p.m, outside drying oven
2 flame-thrower nozzles, drying oven outer layer upper of furnace body opening are arranged in layer lower part, and drying oven is using low temperature drying method, drying temperature
120 degree.The retort, retort are connected by feed screw with drying oven, and retort uses oxygen-free environment, in retort
Main process is Pintsch process, and cracking temperature is 700 degree, and moisture percentage in sewage sludge is about 3% after retort carbonizes, retort knot
Structure equally uses rotary kiln form, furnace body to have two layers, cylinder internal diameter 1.6m, outer diameter 3m, barrel lenght 16m, and cylinder tilts 4%,
2 flame-thrower nozzles, pyrolysis furnace outer layer upper of furnace body opening are arranged in rotating speed 3r.p.m, furnace body outer layer lower part, and the gas after cracking exists
Enter cracking gas holding vessel, Pintsch process gas and the natural gas storage tanks expenditure of cracking gas holding vessel expenditure under the action of wind turbine
Natural gas is mixed according to a usual practice, constitutes drying oven and retort energy fuel, the fuel each lead into dryer and pyrolysis furnace
Outer layer furnace body burner arrangement directly drying oven and retort internal layer furnace body are fired under the action of burner firing device
Burn heating.
The trend of flue gas after the utility model burning：Flue gas after burning for drying oven energy mix is under fan action
By the hole extraction on drying furnace body outer layer top drying furnace body internal layer, the mistake that flue gas passes through drying oven internal layer are passed through into pipeline
The vapor that Cheng Zhongyu is evaporated further purifies under the action of wind turbine into desulfurizer together, after desulfurizing and purifying, into
Enter biological deodorizing device, air is discharged into after purification；For retort energy mix burn after flue gas through wind turbine by retort outside
Layer furnace body upper opening extraction, gas after extraction after heat-exchanger rig exchanges heat directly together with the flue gas that drying oven is extracted out into
Enter desulfurizer.The heat exchanger heat transferring medium is air, and the heat of collection is recycled by retort；The cracking gas storage
Tank has pressurization and storage effect simultaneously；The sludge cooling device water is cooling medium, and heat flows to air；The desulfurization dress
It sets and uses limestone/lime-gypsum method flue gas desulfurization absorption plant, wet desulfurization of flue gas by limestone-gypsum method process system main
It is made of absorption system, flue gas system, limestone slurry liquid preparing system and gypsum dehydration system etc..The biological deodorizing is mainly
Using microbial deodorant, will have substance frowzy by the physiological metabolism of microorganism and converted, target contaminant is made to be had
Effect decomposes removal, to reach the improvement purpose of stench.The activated carbon sludge composite adsorbing material that this technique generates, has work completely
The absorption property of property charcoal, can externally sell as active carbon adsorption material.This system device is by unified PLC PLC technologies
Device is uniformly controlled.
In conclusion the utility model embodiment, which provides a kind of energy-efficient recycling sludge, utilizes system, by pair
The processing of sludge early period, is dried, the charing of sludge, the recycling of the energy after charing forms sludge after charing using sludge
Absorbent charcoal composite material while realizing sludge efficient process, forms sludge activity carbon composite, it is national right to have fully demonstrated
Treatment of Sludge minimizing, the requirement of recycling, and recycling sludge performed to ultimate attainment, it fully saves cost, environmental protection, carry
High economic benefit.
What the utility model reached has the beneficial effect that the cracking gas for realizing and being formed in retort directly recycles, and passes through
The recycling of cracking gas realizes maximally utilizing for energy, and the extra heat source for reducing retort and drying oven utilizes, and reduces
Cost of energy reduces energy consumption.Whole process is safe, reliable, efficient, the generation of the secondary pollutions gas such as no bioxin.Finally
Lytic activity charcoal sludge composite adsorbing material, can not only eliminate pollution of these solid waste to environment, can also use and generate
Sorbing material come treated sewage or pernicious gas, further improve environment, improve people's life quality, there is significant society
Benefit.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (6)
1. a kind of energy-efficient recycling sludge utilizes system, including drying oven and retort；It is characterized in that, the retort
Cracking gas outlet in the combustion heating mechanism of the drying oven and/or the retort；The drying oven and/or described
Retort includes outer layer furnace body and internal layer furnace body, and the outer layer furnace body is the combustion heating mechanism, and the internal layer furnace body is object
Expect processing mechanism.
2. energy-efficient recycling sludge according to claim 1 utilizes system, which is characterized in that the cracking gas outlet
It is respectively communicated with the outer layer furnace body in the drying oven and the retort.
3. energy-efficient recycling sludge according to claim 1 utilizes system, which is characterized in that further include combustion-supporting gas storage
Tank, gas outlet are communicated in the combustion heating mechanism of the drying oven and/or the retort.
4. energy-efficient recycling sludge according to claim 3 utilizes system, which is characterized in that the combustion-supporting gas storage tank
Outlet mixed with the cracking gas of the retort after be communicated in the combustion heating of the drying oven and/or the retort
Mechanism.
5. energy-efficient recycling sludge according to claim 1 utilizes system, which is characterized in that further include cracking gas storage
Tank, the cracking gas outlet of the retort in the import of the cracking gas storage tank, the cracking gas storage tank can will described in
Cracking gas exports the combustion heating mechanism to the drying oven and/or the retort.
6. energy-efficient recycling sludge according to claim 5 utilizes system, which is characterized in that the cracking gas storage tank
For pressurized storage tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721049904.9U CN207632686U (en) | 2017-08-21 | 2017-08-21 | A kind of energy-efficient recycling sludge utilizes system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721049904.9U CN207632686U (en) | 2017-08-21 | 2017-08-21 | A kind of energy-efficient recycling sludge utilizes system |
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| CN207632686U true CN207632686U (en) | 2018-07-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179364A (en) * | 2018-08-20 | 2019-01-11 | 广西大学 | A kind of filter mud of sugar refinery carbonizing treatment method and device |
| CN112745136A (en) * | 2021-01-13 | 2021-05-04 | 华中科技大学 | External heating type light sludge ceramsite firing method based on biomass micron fuel |
-
2017
- 2017-08-21 CN CN201721049904.9U patent/CN207632686U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179364A (en) * | 2018-08-20 | 2019-01-11 | 广西大学 | A kind of filter mud of sugar refinery carbonizing treatment method and device |
| CN112745136A (en) * | 2021-01-13 | 2021-05-04 | 华中科技大学 | External heating type light sludge ceramsite firing method based on biomass micron fuel |
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| GR01 | Patent grant | ||
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Address after: 230088 A3 409, innovation industrial park, 800 Wangjiang West Road, Hefei High-tech Zone, Anhui Patentee after: Anhui Baihe Environmental Protection Technology Co., Ltd. Address before: 230000 21 floor of block A, Huizhou Merchants Plaza, Baohe District, Hefei, Anhui. Patentee before: Hefei hundred and Environmental Protection Technology Co., Ltd |
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