CN103693839A - Sludge treatment method and system - Google Patents
Sludge treatment method and system Download PDFInfo
- Publication number
- CN103693839A CN103693839A CN201410006626.3A CN201410006626A CN103693839A CN 103693839 A CN103693839 A CN 103693839A CN 201410006626 A CN201410006626 A CN 201410006626A CN 103693839 A CN103693839 A CN 103693839A
- Authority
- CN
- China
- Prior art keywords
- gas
- mud
- sludge
- heating unit
- retort
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge treatment method and system. The sludge treatment method comprises the following steps: S1, providing dewatered sludge, and baking the sludge, so as to obtain baked sludge; S2, drying the baked sludge in a distillation manner, so as to generate an oil and gas product and a solid product; S3, carrying out condensation treatment on the oil and gas product, so as to obtain retorting gas, tar and sewage, and sorting the solid products, so as to obtain semicoke and residue; S4, purifying the retorting gas generated in the step S3 to store inside an air storage tank; and S5, carrying out subsequent treatment on the tar, the sewage and the semicoke generated in the step S3, and recycling. Compared with a sludge incineration method, the sludge treatment method disclosed by the embodiment of the invention is friendly to environment, smoke emission and dust emission are greatly reduced, pollution to the environment caused by dioxin is completely eradicated, and no hazardous wastes such as a lot of fly ashes are generated.
Description
Technical field
The present invention relates to technical field of sludge treatment, more specifically, relate to a kind of method for sludge treatment and treatment system thereof.
Background technology
The sedimentable matter producing in municipal effluent and During Industrial Wastewater Treatment Process, comprises contained solid matter, suspended matter, colloidalmaterial in sewage and the sediment of separating from water, is referred to as mud.In sewage treatment process, the treatment process of mud comprises the primary treatments such as concentrated, digestion, dehydration, mummification and burning of mud and landfill, soil utilization etc. are final processes.
Water content is more than 94% after concentrated, digestion process for mud, and volume is very large.Sludge dewatering can be removed planar water and the capillary water in mud, makes sludge moisture content be reduced to 80% left and right, is convenient to transportation and subsequent disposal.
Sludge drying technique can make sludge moisture content be down to 30% left and right by 80% left and right, forms particle or powdery stable prod simultaneously, after drying and other treatment the peculiar smell of mud, pathogenic agent, the characteristic such as flow be improved significantly.
Sludge incineration technology is to use fuel by incinerator, the mud after mummification to be burned, can make the volume of mud reduce to minimizes, do not need to take large quantity space, organism after burning in mud is decomposed, pathogen kill, only the remaining seldom inorganics of amount becomes burning ash, and the material that finally need to dispose is less.But burn and need to consume a large amount of energy, the cost of burning and running cost are all very high.In addition, burning can cause the discharge of the Hazardous substancess such as heavy metal and Dioxins.
Mud soil utilizes technology to be subject to the impact of component in mud, because the source of mud is complicated, the substances content such as heavy metal are unstable, has restricted the development that soil utilizes technology.
Sludge landfill technology is the final processing means of all sludge treatment disposal technologies, need to solve the processing problem of percolate and landfill biogas.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, one object of the present invention is to propose a kind of environmentally friendly and method for sludge treatment that running cost is low.
Another object of the present invention is to propose a kind of sludge treating system little, that energy consumption is low and running cost is low that pollutes.
Method for sludge treatment according to first aspect present invention embodiment, comprises the following steps: S1, provide the mud through processed, and described mud is carried out to drying and processing, obtain drying mud; S2, described oven dry mud is carried out to destructive distillation, generate oil gas product and solid product; S3, described oil gas product is carried out to condensation process, obtain carbonization gas, tar and sewage, described solid product is carried out to sorting, obtain semicoke and residue; S4, carbonization gas that will produce in described step S3 are stored in gas-holder after purifying; And S5, the tar producing in described step S3, sewage and semicoke are carried out to subsequent disposal and recycle.
According to the method for sludge treatment of the embodiment of the present invention, before destructive distillation, first mud is carried out to drying and processing, reduce sludge moisture content, can improve product calorific value, reduce the heat that mud absorbs in carbonization process; In addition, destructive distillation product carbonization gas, tar and semicoke that mud destructive distillation produces, not only can be as fuel, and can be used as industrial raw material sale, have than the better economic worth of generating, than the method for sludge incineration, environmentally friendly, greatly reduce fume emission and dust discharge, stopped the pollution of dioxin to environment, and can not produce a large amount of danger wastes such as flying dust.
In addition, according to the method for sludge treatment of the embodiment of the present invention, can also there is following additional technical characterictic:
According to one embodiment of present invention, in step S1, described mud is dried by dryer and realized.
Alternatively, described step S2 comprises: S21, described oven dry mud is carried out to processed compressed, obtain block or cylindric mud raw material; S22, described mud raw material is carried out to destructive distillation, generate oil gas product and solid product.
Alternatively, described step S22 realizes by gas retort, in described gas retort, has heating unit, and described heating unit comprises heating tube.
According to one embodiment of present invention, described gas-holder is connected that with described heating unit described carbonization gas is passed in described heating unit.
Alternatively, described heating unit is connected that with described dryer the flue gas of described heating unit discharge is passed in described dryer.
Further, after the interior mud heat exchange to be dried of the flue gas that described heating unit is discharged and described dryer, passing into flue gas purifying equipment purifies.
According to one embodiment of present invention, by described mud raw material even stone in described gas retort, described layer thickness is 50～400mm.
Alternatively, the pyrolysis temperature in described gas retort is 400～700 ℃.
Further, described mud raw material stops 0.5～2h under described pyrolysis temperature.
According to one embodiment of present invention, described gas retort has discharging mechanism, and described solid product is discharged by described discharging mechanism.
Alternatively, described gas retort is rotary hearth furnace.
According to one embodiment of present invention, in described step S2, described mud carries out destructive distillation under anaerobic state.
Sludge treating system according to second aspect present invention embodiment, comprising: dehydration equipment, and described dehydration equipment is used for described sludge dewatering; Dryer, described dryer is for carrying out drying and processing to obtain drying mud by the mud after dehydration; Extrusion forming device, described extrusion forming device carries out processed compressed by described oven dry mud after receiving described oven dry mud, obtains block or cylindric mud raw material; Feed bin, described feed bin is connected with described extrusion forming device by conveyor; Gas retort, the downstream that described gas retort is connected to described feed bin is to receive the raw material feeding from described feed bin described raw material destructive distillation to generate oil gas product and solid product, and wherein said solid product comprises semicoke and residue; Condensing works, the downstream that described condensing works is connected to described gas retort lowers the temperature described oil gas product after receiving described oil gas product; Tar separation equipment, described tar separation equipment is connected with described condensing works to receive after the oil gas product the cooling feeding from described condensing works the oil gas product separation after described cooling to obtain carbonization gas, tar and sewage; Gas-holder, described gas-holder is for storing the carbonization gas after purification; And finishing apparatus, described finishing apparatus carries out subsequent disposal and recycles sewage, tar and semicoke.
According to the sludge treating system of the embodiment of the present invention, by dehydration equipment and dryer, can significantly reduce the water content in mud, reduce the heat of moisture vaporization absorption in mud retort process, thereby reduce the energy consumption of total system; By gas retort, mud is carried out to destructive distillation processing, can obtain carbonization gas, tar and semicoke product, these destructive distillation products not only can be as fuel, and can be used as industrial raw material sale, have than the better economic worth of generating, than sludge incinerator, this system is environmentally friendly, greatly reduce fume emission and dust discharge, stopped the pollution of dioxin to environment, and can not produce a large amount of danger wastes such as flying dust.
According to one embodiment of present invention, in described gas retort, have heating unit, described heating unit comprises heating tube.
Alternatively, described gas-holder is connected that with described heating unit described carbonization gas is passed in described heating unit.
Further, after the interior mud heat exchange to be dried of the flue gas that described heating unit is discharged and described dryer, by flue gas purifying equipment, purify.
According to one embodiment of present invention, by described mud raw material even stone in described gas retort, described layer thickness is 50～400mm.
Alternatively, the pyrolysis temperature in described gas retort is 400～700 ℃.
Alternatively, described mud raw material stops 0.5～2h under described pyrolysis temperature.
According to one embodiment of present invention, described gas retort has discharging mechanism, and described solid product is discharged by described discharging mechanism.
Alternatively, described gas retort is rotary hearth furnace.
Alternatively, described mud carries out destructive distillation under anaerobic state.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the schematic flow sheet of the method for sludge treatment of the embodiment of the present invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " thickness ", " on ", orientation or the position relationship of the indication such as D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
First with reference to Fig. 1, specifically describe according to the method for sludge treatment of first aspect present invention embodiment below.
According to the method for sludge treatment of the embodiment of the present invention, comprise the following steps:
S1, provide the mud through processed, and described mud is carried out to drying and processing, obtain drying mud;
S2, described oven dry mud is carried out to destructive distillation, generate oil gas product and solid product;
S3, described oil gas product is carried out to condensation process, obtain carbonization gas, tar and sewage, described solid product is carried out to sorting, obtain semicoke and residue;
S4, carbonization gas that will produce in described step S3 are stored in gas-holder after purifying; And
S5, the tar producing in described step S3, sewage and semicoke are carried out to subsequent disposal and recycle.
Particularly, first the mud of water content 80% left and right of crossing through processed is carried out to drying and processing, obtain as the raw material (mud of water content 30% left and right) of mud destructive distillation processing, drying mud; Then oven dry mud is heated and carries out destructive distillation gradually in enclosed space, generate oil gas product and solid product; Then oil gas product is carried out to condensation, isolate carbonization gas, tar and sewage, wherein, carbonization gas can be stored in gas-holder after purifying (such as decoking, desulphurization and denitration etc.), can be for productive life, tar can be used as raw material sale or further precision work, and sewage is qualified discharge after sewage disposal; Cooled destructive distillation residual solid mainly comprises semicoke and residue etc., can divide the semicoke of choosing wherein, is recycled.
According to the method for sludge treatment of the embodiment of the present invention, before destructive distillation, first mud is carried out to drying and processing, reduce sludge moisture content, can improve product calorific value, reduce the heat that mud absorbs in carbonization process; In addition, destructive distillation product carbonization gas, tar and semicoke that mud destructive distillation produces, not only can be as fuel, and can be used as industrial raw material sale, have than the better economic worth of generating, than the method for sludge incineration, environmentally friendly, greatly reduce fume emission and dust discharge, stopped the pollution of dioxin to environment, and can not produce a large amount of danger wastes such as flying dust.
Wherein, equipment and method that mud is dried are not particularly limited, and can adopt the conventional furnace drying method of those of ordinary skills.According to one embodiment of present invention, in step S1, described mud is dried by dryer and realized.Thus, this operation of equipment is simple and drying efficiency is high.
According to one embodiment of present invention, described step S2 comprises: S21, described oven dry mud is carried out to processed compressed, obtain block or cylindric mud raw material; With S22, described mud raw material is carried out to destructive distillation, generate oil gas product and solid product.Thus, before oven dry mud is carried out to destructive distillation, first it is carried out to compressed moulding processing, the mud raw material after compressed moulding is convenient transportation not only, and is convenient to stone.For example can mud raw material be transported to feed bin by conveyor, the more quantitative paving stock mechanism feed to gas retort.
In order to improve the dry distillation efficiency of mud raw material, according to the method for sludge treatment of the embodiment of the present invention, adopt the method for isolated flue gas destructive distillation mud to carry out destructive distillation to mud raw material, particularly, according to one embodiment of present invention, step S22 realizes by gas retort, in described gas retort, has heating unit, and described heating unit comprises heating tube.Thus, heating unit is to provide the heating installation of destructive distillation institute heat requirement, on heating unit, can be provided with combustion air and fuel channel, combustion air and fuel can pass into respectively heating unit and heat combustion inner pipe, the high-temperature flue gas that heating tube produces and the atmosphere in gas retort are isolated, can guarantee normally carrying out of destructive distillation, improve the calorific value of carbonization gas; The high isolated flue gas heating technology of energy utilization efficiency is applied to the extensive processing of mud, can makes mud raw material enter continuously gas retort and carry out destructive distillation, product is discharged continuously, improves dry distillation efficiency.
Further, according to one embodiment of present invention, described gas-holder is connected that with described heating unit described carbonization gas is passed in described heating unit.In one of them example of the present invention, the carbonization gas in gas-holder can be connected with heating unit with pipeline by press device, and carbonization gas can be used as combustion gas and provides source of the gas for heating unit.Be understandable that, carbonization gas can be all carries out destructive distillation as the fuel of heating unit with the mud in gas retort, or part carbonization gas is as the fuel of heating unit, and all the other carbonization gas can be used as carbonization gas product and use for other productive lifes.Thus, by carbonization gas being can be used as to the fuel of heating unit, effectively save energy and technique environmental protection, and the carbonization gas producing with mud destructive distillation is as fuel gas, not only realized stable burning, and efficiency of combustion can reach more than 85%, guaranteed the self-sufficiency of mud destructive distillation institute energy requirement, thereby reduced running cost.
In one embodiment of the invention, heating unit also can pass into afterburning combustion gas, and afterburning combustion gas starts for black furnace.In one of them example of the present invention, on heating unit, can be provided with afterburning blast tube to pass into afterburning combustion gas.
In order to make full use of the heat of the flue gas producing in heating unit, according to one embodiment of present invention, described heating unit is connected with described dryer and passes in described dryer with the flue gas that described heating unit is discharged.In other words, the flue gas that fuel combustion in heating unit produces has higher temperature, this high-temperature flue gas is passed in dryer, can make mud to be dried in itself and dryer carry out heat exchange, thereby dry mud to be dried, take full advantage of the heat of flue gas, solved traditional problem that external-heat type of heating energy expenditure is large, running cost is high.
According to one embodiment of present invention, after the interior mud heat exchange to be dried of the flue gas of described heating unit discharge and described dryer, passing into flue gas purifying equipment purifies.In one of them example of the present invention, dryer be connected with flue gas purification system with by with dryer in flue gas after material-heat-exchanging to be dried pass into flue gas purification system, purify.Thus, by flue gas purification system is set, effectively prevented the defective and situation to environment of flue gas.
Particularly, according to one embodiment of present invention, by described mud raw material even stone in described gas retort, described layer thickness is 50～400mm.Alternatively, in one of them example of the present invention, the pyrolysis temperature in described gas retort is 400～700 ℃.Further, described mud raw material stops 0.5～2h under described pyrolysis temperature.Thus, can farthest guarantee the destructive distillation effect of mud.
About gas retort, it will be appreciated that, gas retort need to guarantee that mud can carry out destructive distillation under enclosed space, can hold tubular heating device heats it, and can normally discharge oil gas product and solid product that destructive distillation produces, alternatively, according to one embodiment of present invention, described gas retort is rotary hearth furnace.Thus, the oil gas product of generation can be collected by the pipeline of gas retort top or sidewall.
In order to guarantee the solid product that destructive distillation produces, can normally discharge, according to one embodiment of present invention, described gas retort has discharging mechanism, and described solid product is discharged by described discharging mechanism, and solid product can rotate one week rear gas retort of discharging of stop at the bottom of the rotating bed bed of gas retort.
According to one embodiment of present invention, in described step S2, described mud carries out destructive distillation under anaerobic state.The flue gas producing in heat-processed due to heating unit and the material for the treatment of destructive distillation in gas retort are in isolation, add the Seal Design of gas retort, thereby guaranteed that mud carries out destructive distillation under oxygen free condition, thereby improved to greatest extent the calorific value of carbonization gas.Be understandable that, so-called " calorific value ", refers to perfect combustion 1kg(or 1m
3, gas) the energy that goes out of substance release.
Specifically describe according to the sludge treating system of second aspect present invention embodiment below.
According to the sludge treating system of the embodiment of the present invention, comprise: dehydration equipment, dryer, extrusion forming device, feed bin, gas retort, condensing works, tar separation equipment, gas-holder and finishing apparatus.
Particularly, dehydration equipment is used for described sludge dewatering, and dryer is for carrying out drying and processing to obtain drying mud by the mud after dehydration.Extrusion forming device carries out processed compressed by oven dry mud after receiving described oven dry mud, obtains block or cylindric mud raw material, and feed bin is connected with extrusion forming device by conveyor.The downstream that gas retort is connected to feed bin is to receive the raw material feeding from feed bin raw material destructive distillation to generate oil gas product and solid product, and wherein solid product comprises semicoke and residue.The downstream that condensing works is connected to gas retort lowers the temperature oil gas product after receiving oil gas product, and tar separation equipment is connected with condensing works to receive after the oil gas product the cooling feeding from condensing works the oil gas product separation after lowering the temperature to obtain carbonization gas, tar and sewage.Gas-holder is for storing the carbonization gas after purification, and finishing apparatus carries out subsequent disposal and recycles sewage, tar and semicoke.
It will be appreciated that, the term " downstream " that the application mentions in describing refers to along according to the direction of the work flow of raw material to be processed, that is to say, gas retort is connected to the downstream of feed bin, what refer to is exactly in work flow, and feed bin is connected before gas retort and with gas retort; Condensing works is connected to the downstream of gas retort, and what refer to is exactly in work flow, and gas retort is connected before condensing works and with condensing works.
In other words, first the mud of water content 80% left and right of processing through dehydration equipment is carried out to drying and processing on dryer, what obtain water content and be 30% left and right can be delivered to the oven dry mud that gas retort carries out destructive distillation processing.Then pending oven dry mud is sent into extrusion forming device for example push with forming machine in be compressed into block or cylindric, then can be transported to feed bin via conveyor, quantitatively to the gas retort paving stock mechanism feed of gas retort for example, the destructive distillation in gas retort of raw material after extrusion molding, the oil gas product producing for example can be collected by the pipeline of gas retort top or sidewall, then send in condensing works and lower the temperature, oil gas product after cooling passes into separation in tar separation equipment and obtains carbonization gas, tar and sewage, solid product comprises semicoke and residue, carbonization gas can be stored in gas-holder after purifying, finishing apparatus can be respectively to sewage, tar and semicoke carry out subsequent disposal and recycle.
Thus, according to the sludge treating system of the embodiment of the present invention, by dehydration equipment and dryer, can significantly reduce the water content in mud, reduce the heat of moisture vaporization absorption in mud retort process, thereby reduce the energy consumption of total system; By gas retort, mud is carried out to destructive distillation processing, can obtain carbonization gas, tar and semicoke product, these destructive distillation products not only can be as fuel, and can be used as industrial raw material sale, have than the better economic worth of generating, than sludge incinerator, this system is environmentally friendly, greatly reduce fume emission and dust discharge, stopped the pollution of dioxin to environment, and can not produce a large amount of danger wastes such as flying dust.
Particularly, according to one embodiment of present invention, have heating unit in gas retort, heating unit comprises heating tube.Thus, heating unit is to provide the heating installation of destructive distillation institute heat requirement, on heating unit, can be provided with combustion air and fuel channel, combustion air and fuel can pass into respectively heating unit and heat combustion inner pipe, the high-temperature flue gas that heating tube produces and the atmosphere in gas retort are isolated, can guarantee normally carrying out of destructive distillation, improve the calorific value of carbonization gas; The high isolated flue gas heating technology of energy utilization efficiency is applied to the extensive processing of mud, can makes mud raw material enter continuously gas retort and carry out destructive distillation, product is discharged continuously, improves dry distillation efficiency.
Further, according to one embodiment of present invention, described gas-holder is connected that with described heating unit described carbonization gas is passed in described heating unit.In one of them example of the present invention, the carbonization gas in gas-holder can be connected with heating unit with pipeline by press device, and carbonization gas can be used as combustion gas and provides source of the gas for heating unit.Be understandable that, carbonization gas can be all carries out destructive distillation as the fuel of heating unit with the mud in gas retort, or part carbonization gas is as the fuel of heating unit, and all the other carbonization gas can be used as carbonization gas product and use for other productive lifes.Thus, by the fuel using carbonization gas as heating unit, effectively save energy and technique environmental protection, and the carbonization gas producing with mud destructive distillation is as fuel gas, not only realized stable burning, and efficiency of combustion can reach more than 85%, guaranteed the self-sufficiency of mud destructive distillation institute energy requirement, thereby reduced running cost.
According to one embodiment of present invention, after the interior mud heat exchange to be dried of the flue gas of described heating unit discharge and described dryer, passing into flue gas purifying equipment purifies.In one of them example of the present invention, dryer be connected with flue gas purification system with by with dryer in flue gas after material-heat-exchanging to be dried pass into flue gas purification system, purify.Thus, by flue gas purification system is set, effectively prevented the defective and situation to environment of flue gas.
Particularly, according to one embodiment of present invention, by described mud raw material even stone in described gas retort, described layer thickness is 50～400mm.Alternatively, in one of them example of the present invention, the pyrolysis temperature in described gas retort is 400～700 ℃.Further, described mud raw material stops 0.5～2h under described pyrolysis temperature.Thus, can farthest guarantee the destructive distillation effect of mud.
About gas retort, it will be appreciated that, gas retort need to guarantee that mud can carry out destructive distillation under enclosed space, can hold tubular heating device heats it, and can normally discharge oil gas product and solid product that destructive distillation produces, alternatively, according to one embodiment of present invention, described gas retort is rotary hearth furnace.Thus, the oil gas product of generation can be collected by the pipeline of gas retort top or sidewall.
In order to guarantee the solid product that destructive distillation produces, can normally discharge, according to one embodiment of present invention, described gas retort has discharging mechanism, and described solid product is discharged by described discharging mechanism, and solid product can rotate one week rear gas retort of discharging of stop at the bottom of the rotating bed bed of gas retort.
According to one embodiment of present invention, described mud carries out destructive distillation under anaerobic state.The flue gas producing in heat-processed due to heating unit and the material for the treatment of destructive distillation in gas retort are in isolation, add the Seal Design of gas retort, thereby guaranteed that mud carries out destructive distillation under oxygen free condition, thereby improved to greatest extent the calorific value of carbonization gas.Be understandable that, so-called " calorific value ", refers to perfect combustion 1kg(or 1m
3, gas) the energy that goes out of substance release.
Generally speaking, according to the method for sludge treatment of the embodiment of the present invention and treatment facility thereof, destructive distillation product carbonization gas, tar and semicoke that mud destructive distillation produces, not only can be as fuel, and can be used as industrial raw material and sell, have than the better economic worth of generating, than the method for sludge incineration, environmentally friendly, greatly reduced fume emission and dust discharge, stop the pollution of dioxin to environment, and can not produce a large amount of danger wastes such as flying dust.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, raw material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, raw material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention in the situation that not departing from principle of the present invention and aim, modification, replacement and modification.
Claims (23)
1. a method for sludge treatment, is characterized in that, comprises the following steps:
S1, provide the mud through processed, and described mud is carried out to drying and processing, obtain drying mud;
S2, described oven dry mud is carried out to destructive distillation, generate oil gas product and solid product;
S3, described oil gas product is carried out to condensation process, obtain carbonization gas, tar and sewage, described solid product is carried out to sorting, obtain semicoke and residue;
S4, carbonization gas that will produce in described step S3 are stored in gas-holder after purifying; And
S5, the tar producing in described step S3, sewage and semicoke are carried out to subsequent disposal and recycle.
2. method for sludge treatment according to claim 1, is characterized in that, in step S1, described mud is dried by dryer and is realized.
3. method for sludge treatment according to claim 1, is characterized in that, described step S2 comprises:
S21, described oven dry mud is carried out to processed compressed, obtain block or cylindric mud raw material;
S22, described mud raw material is carried out to destructive distillation, generate oil gas product and solid product.
4. method for sludge treatment according to claim 3, is characterized in that, described step S22 realizes by gas retort, in described gas retort, has heating unit, and described heating unit comprises heating tube.
5. method for sludge treatment according to claim 4, is characterized in that, described gas-holder is connected that with described heating unit described carbonization gas is passed in described heating unit.
6. method for sludge treatment according to claim 5, is characterized in that, described heating unit is connected with described dryer and passes in described dryer with the flue gas that described heating unit is discharged.
7. method for sludge treatment according to claim 6, is characterized in that, passes into flue gas purifying equipment and purify after the interior mud heat exchange to be dried of the flue gas that described heating unit is discharged and described dryer.
8. method for sludge treatment according to claim 4, is characterized in that, by described mud raw material even stone in described gas retort, described layer thickness is 50～400mm.
9. method for sludge treatment according to claim 4, is characterized in that, the pyrolysis temperature in described gas retort is 400～700 ℃.
10. method for sludge treatment according to claim 9, is characterized in that, described mud raw material stops 0.5～2h under described pyrolysis temperature.
11. according to the method for sludge treatment described in any one in claim 4-10, it is characterized in that, described gas retort has discharging mechanism, and described solid product is discharged by described discharging mechanism.
12. method for sludge treatment according to claim 11, is characterized in that, described gas retort is rotary hearth furnace.
13. according to the method for sludge treatment described in any one in claim 1-10, it is characterized in that, in described step S2, described mud carries out destructive distillation under anaerobic state.
14. 1 kinds of sludge treating systems, is characterized in that, comprising:
Dehydration equipment, described dehydration equipment is used for described sludge dewatering;
Dryer, described dryer is for carrying out drying and processing to obtain drying mud by the mud after dehydration;
Extrusion forming device, described extrusion forming device carries out processed compressed by described oven dry mud after receiving described oven dry mud, obtains block or cylindric mud raw material;
Feed bin, described feed bin is connected with described extrusion forming device by conveyor;
Gas retort, the downstream that described gas retort is connected to described feed bin is to receive the raw material feeding from described feed bin described raw material destructive distillation to generate oil gas product and solid product, and wherein said solid product comprises semicoke and residue;
Condensing works, the downstream that described condensing works is connected to described gas retort lowers the temperature described oil gas product after receiving described oil gas product;
Tar separation equipment, described tar separation equipment is connected to receive the oil gas product the cooling feeding from described condensing works with described condensing works, by the oil gas product separation after described cooling to obtain carbonization gas, tar and sewage;
Gas-holder, described gas-holder is for storing the carbonization gas after purification; With
Finishing apparatus, described finishing apparatus carries out subsequent disposal and recycles sewage, tar and semicoke.
15. sludge treating systems according to claim 14, is characterized in that, in described gas retort, have heating unit, and described heating unit comprises heating tube.
16. sludge treating systems according to claim 15, is characterized in that, described gas-holder is connected that with described heating unit described carbonization gas is passed in described heating unit.
17. sludge treating systems according to claim 16, is characterized in that, after the interior mud heat exchange to be dried of the flue gas that described heating unit is discharged and described dryer, by flue gas purifying equipment, purify.
18. sludge treating systems according to claim 14, is characterized in that, by described mud raw material even stone in described gas retort, described layer thickness is 50～400mm.
19. sludge treating systems according to claim 14, is characterized in that, the pyrolysis temperature in described gas retort is 400～700 ℃.
20. sludge treating systems according to claim 19, is characterized in that, described mud raw material stops 0.5～2h under described pyrolysis temperature.
21. according to the sludge treating system described in any one in claim 14-20, it is characterized in that, described gas retort has discharging mechanism, and described solid product is discharged by described discharging mechanism.
22. sludge treating systems according to claim 21, is characterized in that, described gas retort is rotary hearth furnace.
23. sludge treating systems according to claim 22, is characterized in that, described mud carries out destructive distillation under anaerobic state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006626.3A CN103693839B (en) | 2014-01-07 | 2014-01-07 | Method for sludge treatment and treatment system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006626.3A CN103693839B (en) | 2014-01-07 | 2014-01-07 | Method for sludge treatment and treatment system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103693839A true CN103693839A (en) | 2014-04-02 |
| CN103693839B CN103693839B (en) | 2016-03-30 |
Family
ID=50355536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410006626.3A Expired - Fee Related CN103693839B (en) | 2014-01-07 | 2014-01-07 | Method for sludge treatment and treatment system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103693839B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104211271A (en) * | 2014-07-30 | 2014-12-17 | 浙江德谦节能科技有限公司 | Two-section sludge gas-generating treatment method and two-section sludge gas-generating treatment device |
| CN104312600A (en) * | 2014-10-14 | 2015-01-28 | 北京北宇机械设备有限公司 | Sludge pyrolysis and gasification treatment process and sludge pyrolysis and gasification treatment system |
| CN105174678A (en) * | 2015-08-31 | 2015-12-23 | 重庆丹霞节能科技有限公司 | Pyrolysis treatment process for domestic sludge |
| CN105255534A (en) * | 2015-10-23 | 2016-01-20 | 石家庄新华能源环保科技股份有限公司 | Device for processing tar without water |
| CN105333441A (en) * | 2015-10-21 | 2016-02-17 | 北京神雾环境能源科技集团股份有限公司 | Garbage disposal method and garbage dry distillation furnace |
| CN105541078A (en) * | 2016-01-28 | 2016-05-04 | 北京神雾环境能源科技集团股份有限公司 | Ferruginous oil sludge recycling system and method thereof |
| WO2016127594A1 (en) * | 2015-02-09 | 2016-08-18 | 谭修光 | Sludge treatment method using solar pyrolysis carbonization technology |
| CN106145592A (en) * | 2016-08-08 | 2016-11-23 | 江苏中宜生态土研究院有限公司 | A kind of municipal sludge dry distilling carbonization test system |
| CN106399620A (en) * | 2016-11-29 | 2017-02-15 | 北京神雾环境能源科技集团股份有限公司 | System and method for treating iron-contained oil sludge |
| CN106556016A (en) * | 2016-11-30 | 2017-04-05 | 中冶华天南京工程技术有限公司 | Sludge carbonization plus incinerating method and system |
| CN109293190A (en) * | 2018-11-02 | 2019-02-01 | 南华大学 | A kind of processing method of oily sludge |
| CN109592865A (en) * | 2018-11-02 | 2019-04-09 | 湖北亚首生物质新能源科技有限公司 | The method for reducing oily sludge thermal decomposition product oil content |
| CN111153577A (en) * | 2020-01-21 | 2020-05-15 | 美景（北京）环保科技有限公司 | Oily sludge treatment device and treatment method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001010978A1 (en) * | 1999-08-04 | 2001-02-15 | Nkk Corporation | Method for treating combustible waste |
| CN101113067A (en) * | 2006-07-28 | 2008-01-30 | 中国石油天然气股份有限公司 | Resource treating method for oil-containing sludge |
| CN101318759A (en) * | 2008-07-11 | 2008-12-10 | 谢忠诚 | Resource regeneration processing method and equipment for urban sewage sludge |
| CN103008331A (en) * | 2012-12-18 | 2013-04-03 | 北京华福环境工程科技有限公司 | Resource treatment method for household garbage and biochemical sludge |
| CN103466912A (en) * | 2013-09-29 | 2013-12-25 | 江苏兆盛环保集团有限公司 | Process and device for sludge pyrolysis |
-
2014
- 2014-01-07 CN CN201410006626.3A patent/CN103693839B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001010978A1 (en) * | 1999-08-04 | 2001-02-15 | Nkk Corporation | Method for treating combustible waste |
| CN101113067A (en) * | 2006-07-28 | 2008-01-30 | 中国石油天然气股份有限公司 | Resource treating method for oil-containing sludge |
| CN101318759A (en) * | 2008-07-11 | 2008-12-10 | 谢忠诚 | Resource regeneration processing method and equipment for urban sewage sludge |
| CN103008331A (en) * | 2012-12-18 | 2013-04-03 | 北京华福环境工程科技有限公司 | Resource treatment method for household garbage and biochemical sludge |
| CN103466912A (en) * | 2013-09-29 | 2013-12-25 | 江苏兆盛环保集团有限公司 | Process and device for sludge pyrolysis |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104211271B (en) * | 2014-07-30 | 2016-05-18 | 浙江德谦节能科技有限公司 | A kind of two-period form mud gasification processing method and treating apparatus |
| CN104211271A (en) * | 2014-07-30 | 2014-12-17 | 浙江德谦节能科技有限公司 | Two-section sludge gas-generating treatment method and two-section sludge gas-generating treatment device |
| CN104312600A (en) * | 2014-10-14 | 2015-01-28 | 北京北宇机械设备有限公司 | Sludge pyrolysis and gasification treatment process and sludge pyrolysis and gasification treatment system |
| WO2016127594A1 (en) * | 2015-02-09 | 2016-08-18 | 谭修光 | Sludge treatment method using solar pyrolysis carbonization technology |
| CN105174678A (en) * | 2015-08-31 | 2015-12-23 | 重庆丹霞节能科技有限公司 | Pyrolysis treatment process for domestic sludge |
| CN105174678B (en) * | 2015-08-31 | 2017-09-22 | 安徽卓新洁净能源科技有限公司 | Domestic sludge pyrolysis processing technique |
| CN105333441B (en) * | 2015-10-21 | 2018-03-23 | 神雾科技集团股份有限公司 | A kind of waste disposal method and rubbish gas retort |
| CN105333441A (en) * | 2015-10-21 | 2016-02-17 | 北京神雾环境能源科技集团股份有限公司 | Garbage disposal method and garbage dry distillation furnace |
| CN105255534A (en) * | 2015-10-23 | 2016-01-20 | 石家庄新华能源环保科技股份有限公司 | Device for processing tar without water |
| CN105541078A (en) * | 2016-01-28 | 2016-05-04 | 北京神雾环境能源科技集团股份有限公司 | Ferruginous oil sludge recycling system and method thereof |
| CN106145592A (en) * | 2016-08-08 | 2016-11-23 | 江苏中宜生态土研究院有限公司 | A kind of municipal sludge dry distilling carbonization test system |
| CN106399620A (en) * | 2016-11-29 | 2017-02-15 | 北京神雾环境能源科技集团股份有限公司 | System and method for treating iron-contained oil sludge |
| CN106556016A (en) * | 2016-11-30 | 2017-04-05 | 中冶华天南京工程技术有限公司 | Sludge carbonization plus incinerating method and system |
| CN109293190A (en) * | 2018-11-02 | 2019-02-01 | 南华大学 | A kind of processing method of oily sludge |
| CN109592865A (en) * | 2018-11-02 | 2019-04-09 | 湖北亚首生物质新能源科技有限公司 | The method for reducing oily sludge thermal decomposition product oil content |
| CN111153577A (en) * | 2020-01-21 | 2020-05-15 | 美景（北京）环保科技有限公司 | Oily sludge treatment device and treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103693839B (en) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103693839B (en) | Method for sludge treatment and treatment system thereof | |
| CN105841160B (en) | A kind of organic matter self energizing is dried and pyrolysis, full constituent recycling system and process | |
| CN103756697A (en) | Method and system for processing waste and sludge | |
| CN104874593A (en) | Method and device for treating organic polluted soil by two-section-type indirect thermal desorption technology | |
| RU2763026C2 (en) | Furnace | |
| EP3012037B1 (en) | Production line and method for recycling of charcoal and gas from garbage | |
| CN107339702B (en) | Method for cooperatively treating urban and rural domestic garbage by using cement kiln | |
| CN104176897A (en) | Environment-friendly and energy-saving sludge high-temperature carbonization system | |
| CN101476729A (en) | Drying pretreatment method and device for urban domestic garbage | |
| WO2019050431A1 (en) | Method for utilizing solid carbon-containing waste by pyrolysis and waste processing complex for implementing same | |
| CN204281524U (en) | Sludge treating system | |
| KR101112581B1 (en) | System for treating sludge or waste | |
| CN203781995U (en) | Sludge treatment system | |
| KR101152613B1 (en) | System for treating sludge or waste having a by-pass line | |
| KR200420688Y1 (en) | Reusing system for organic dry active solid waste | |
| CN210176701U (en) | System for municipal sludge deep reduction treatment | |
| CN101871649A (en) | System for pyrolyzing and burning sludge at low temperature | |
| CN102537979A (en) | Method for integrating sludge drying and waste incineration | |
| CN201852110U (en) | Sludge low-temperature themolysis incineration system | |
| KR101860041B1 (en) | Hybrid Sludge Fuel, Manufacturing Method and System of Fuel Production thereof | |
| EA014169B1 (en) | Device for energetically utilizing solid waste | |
| KR101252289B1 (en) | Livestock wastewater sludge treatment apparatus | |
| CN112735625A (en) | Equipment and process for treating organic matters by utilizing heat carrier | |
| CN208869480U (en) | A kind of process system of industrial sludge cracking | |
| CN102580676B (en) | Preparation method of active coke for wastewater advanced treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161031 Address after: 102200 Beijing city Changping District Machi Town cow Road Patentee after: Beijing Shenyuan environmental protection Co. Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: Beijing Shenwu Environment Energy Technology Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20190107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |