CN205313341U - Sludge dewatering drying combustion system - Google Patents
Sludge dewatering drying combustion system Download PDFInfo
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- CN205313341U CN205313341U CN201521133600.1U CN201521133600U CN205313341U CN 205313341 U CN205313341 U CN 205313341U CN 201521133600 U CN201521133600 U CN 201521133600U CN 205313341 U CN205313341 U CN 205313341U
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Abstract
The utility model relates to a sludge dewatering drying combustion system, control oneself including the mud quenching and tempering device, sludge deep dehydration device, sludge drying device, the mud that connect gradually and burn device, smoke treatment device, the sludge drying device is connected with condensation recovery device, condensation recovery device respectively with mud quenching and tempering device and mud are controlled oneself and are burned the device connection, mud control oneself burn the device with still be connected with heat reclamation device between the smoke treatment device, the utility model discloses recycle lift system heat energy utilization efficiency with steam in the sludge drying device, utilize condensation recovery device condensate quenching and tempering mud, do benefit to sludge dewatering, and control oneself mud and burn in the device flue gas lime -ash cyclic utilization again, need not to throw and add any auxiliary fuel, the level of resources utilization is high, consequently the utility model is suitable for an all kinds of mud resourceful treatment realize heat energy, water, sediment multistage utilization, and minimizing, resource effect are showing.
Description
Technical field
The utility model relates to a kind of sludge dehydrating and drying incineration system, belongs to technical field of sludge treatment.
Background technology
General city domestic sewage factory or waste water factory all produce a large amount of domestic sludge, common method for sludge treatment is: by domestic sludge after press filtration, its water ratio is usually about 80%, and the mud of high-moisture percentage is used for greatly landfill, During High-Temperature Composting etc., and this just easily causes new environmental pollution. And the burning disposal of mud is mud solution the most thoroughly, but the high mud of water ratio can not directly burn, it is necessary to first carries out dewatering, mummification or add burning auxiliary material. A kind of rear method not only wastes fuel but also can produce new pollution, so all first to be carried out mummification before general sludge incineration.
Traditional sludge drying all adopts high-temperature steam to be heated to 600-800 DEG C, completes by drying machine or employing residual heat of electric power plant, and this is with regard to the energy of inevitable at substantial. Sewage work needs supporting high-temperature steam boiler, can drop into very big capital construction expense like this, and sludge incineration could solve on the spot. Due to capital construction have high input, working cost height, therefore both at home and abroad sludge problem can not get effective solution all the time, and the mummification of mud and burning problem become municipal sewage treatment factory bottleneck problem urgently to be resolved hurrily.
There is following problem in existing sludge incineration system: drying machine steam cannot recycle, and sludge incineration kiln gas lime-ash does not have recycle, it is necessary to the energy of consumption is many, causes the cost height of burning sludge, is unfavorable for that the environmental protection of country is promoted.
Practical novel content
The technical problems to be solved in the utility model is: for overcoming the problems referred to above, it is provided that the sludge dehydrating and drying incineration system of a kind of heat recovery.
The utility model solves the technical scheme that its technical problem adopts:
A kind of sludge dehydrating and drying incineration system, comprise connect successively mud modifying device, sludge deep dehydrator, mud drying device, mud control oneself incinerator, flue gas processing device, described mud drying device is connected with condensate recycling device, described condensate recycling device is connected with the self-holding incinerator of described mud modifying device and mud respectively, and described mud is controlled oneself and is also connected with heat reclamation device between incinerator and described flue gas processing device;
The evaporant that described mud drying device is discharged by described condensate recycling device carries out condensation, more condensed non-condensable gas is sent into described mud controls oneself and burn in incinerator, and condensation hot water is transported to be used for mud in mud modifying device modified;
In the flue gas that self-holding for described mud incinerator is discharged by described heat reclamation device after heat recuperation, dry mud for described mud drying device.
Preferably, described condensate recycling device comprises the condenser being connected by negative blast machine with described mud drying device, described condenser is connected with described mud modifying device by condensing water conduit, and described condenser is also connected by the water extracter connected successively and machine of giving a dinner for a visitor from afar incinerator self-holding with described mud.
Preferably, described heat reclamation device comprises multistage heat-condutive oil heat exchanger and air heat exchanger.
Preferably, described sludge deep dehydrator comprises the lower conveyor belt on the downside of the pressure filter for dewatering and described pressure filter, the terminal of described lower conveyor belt is provided with elevator, the top of described elevator is provided with upper conveyor belt, and the mud of dehydration is sent into described mud drying device by described upper conveyor belt.
Preferably, described mud drying device comprises desiccation machine, dewatered sludge particle in described desiccation machine sends into sludge storage bin by worm conveyor, dewatered sludge in described sludge storage bin sends into the self-holding incinerator of mud by belt and multi-layer helical transfer roller successively, forms close, freeboard of fluidized bed multilayer burning.
Preferably, the self-holding incinerator of described mud comprises incinerator, the bottom of described incinerator is provided with the first slag-drip opening discharging waste residue, flue gas after burning in described incinerator enters cyclopneumatic separator separation, by looping back, the imperfect combustion lime-ash isolated expects that pipe is sent in described incinerator again, the heavy slag after separation is discharged by the second row cinder notch arranged under described cyclopneumatic separator.
Preferably, described flue gas processing device comprises the alkaline desulfurizer being connected with described heat reclamation device, and the gas after the desulfurizer desulfurization of described alkalescence is discharged after extracting out by vacuum fan from chimney.
The beneficial effects of the utility model are: the utility model this by steam in mud drying device recycle, lifting system utilization efficiency of heat energy; Utilize the modified mud of condensate recycling device phlegma, it is beneficial to sludge dewatering; And flue gas lime-ash recycling in incinerator that mud is controlled oneself, without the need to adding any auxiliary fuel, level of resources utilization height, therefore the utility model is applicable to the process of all kinds of recycling sludge, realizing heat energy, water, slag Multi-class propagation, minimizing, resource utilization effect are remarkable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is illustrated further.
Fig. 1 is the structural representation of an a kind of sludge dehydrating and drying incineration system embodiment described in the utility model;
Fig. 2 is the structural representation of an a kind of sludge dehydrating and drying incineration system embodiment described in the utility model;
Fig. 3 is a kind of sludge dehydrating and drying incinerating method schema described in the utility model;
Figure marks: 1-mud modifying device, 2-pressure filter, 3-lower conveyor belt, 4-elevator, 41-upper conveyor belt, 5-desiccation machine, 6-worm conveyor, 7-multi-layer helical transfer roller, 8-incinerator, the multistage heat-condutive oil heat exchanger of 9-, 10-air heat exchanger, 11-alkalescence desulfurizer, 12-vacuum fan, 13-chimney, 14-bears blast machine, 15-condenser, 16-pipeline, 17-gives a dinner for a visitor from afar machine, 18-water extracter, 19-sludge storage bin, 801-blast inlet, 802-first slag-drip opening, 803-loops back material pipe, 804-bed, 805-cyclopneumatic separator, 806-second row cinder notch, 807-the 3rd slag-drip opening.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now. These accompanying drawings are the schematic diagram of simplification, only with illustration, basic structure of the present utility model are described, therefore it only shows the formation relevant with the utility model.
Embodiment 1
Described in the utility model a kind of sludge dehydrating and drying incineration system as shown in Figure 1, comprise the mud modifying device 1 connected successively, sludge deep dehydrator, mud drying device, mud is controlled oneself incinerator, flue gas processing device, mud carries out modified through said apparatus successively, dehydration, mummification and burning disposal, finally it is divided into the gas of residue and qualified discharge, described mud drying device is connected with condensate recycling device, described condensate recycling device is connected with the self-holding incinerator of described mud modifying device 1 and mud respectively, described mud is controlled oneself and is also connected with heat reclamation device between incinerator and described flue gas processing device,
The evaporant that described mud drying device is discharged by described condensate recycling device carries out condensation, again condensed non-condensable gas is sent in the self-holding incinerator of described mud and burn, condensation hot water is transported to that to be used for mud in mud modifying device 1 modified, the energy produced in process of production and waste water have been utilized by condensate recycling device fully, first resource has been saved, reducing processing cost, next reduces pollution emissions, and is conducive to the environmental protection of country;
In the flue gas that self-holding for described mud incinerator is discharged by described heat reclamation device after heat recuperation, dry mud for described mud drying device, further being reclaimed by heat on the basis of above energy recovery, reduce the energy consumed.
In a preferred embodiment, described condensate recycling device comprises the condenser 15 being connected by negative blast machine 14 with described mud drying device, evaporated vapor in described mud drying device and dust are by described negative pressure blower fan suction condenser 15, described condenser 15 is connected with described mud modifying device 1 by condensing water conduit 16, described condenser 15 is also connected by the water extracter 18 connected successively and machine 17 of giving a dinner for a visitor from afar incinerator self-holding with described mud, the non-condensable gas of condenser 15 dedusting cooling dewaters through water extracter 18, rear connecting fan 17 sends into the self-holding incinerator of described mud, the condensation hot water of condenser 15 inputs described mud modifying device 1 by pipeline 16, and to carry out mud modified, mud fluidised form can be improved, with pharmacy effect effect (such as flocculation reaction), realize other non-lime medicament decrements 30%～50%.
In a preferred embodiment, described heat reclamation device preferably comprises multistage heat-condutive oil heat exchanger 9 and air heat exchanger 10, but is not limited to this, it is also possible to be the device of other heat recuperation.
In a preferred embodiment, as shown in Figure 2, described sludge deep dehydrator comprises the lower conveyor belt 3 on the downside of the pressure filter 2 for dewatering and described pressure filter 2, the terminal of described lower conveyor belt 3 is provided with elevator 4, the top of described elevator 4 is provided with upper conveyor belt 41, and the mud of dehydration is sent into described mud drying device by described upper conveyor belt 41.
In a preferred embodiment, described mud drying device comprises desiccation machine 5, dewatered sludge particle in described desiccation machine 5 sends into sludge storage bin 19 by worm conveyor 6, dewatered sludge in described sludge storage bin 19 sends into the self-holding incinerator of mud by belt and multi-layer helical transfer roller 7 successively, the self-holding incinerator of described mud is provided with bed 804, dewatered sludge is sent between the bed 804 of multilayer, forms close, freeboard of fluidized bed multilayer burning.
In a preferred embodiment, the self-holding incinerator of described mud comprises incinerator 8, the bottom of described incinerator 8 is provided with the first slag-drip opening 802 and blast inlet 801 of discharging waste residue, flue gas after burning in described incinerator 8 enters cyclopneumatic separator 805 and is separated, by looping back, the imperfect combustion lime-ash isolated expects that pipe 803 is sent in described incinerator 8 again, the second row cinder notch 806 that the heavy slag after separation is arranged for 805 times by described cyclopneumatic separator is discharged.
In a preferred embodiment, described flue gas processing device comprises the alkaline desulfurizer 11 being connected with described heat reclamation device, the 3rd slag-drip opening 807 also it is provided with in the front end of described alkalescence desulfurizer 11, being discharged by the slag material cooled in heat reclamation device, the gas after desulfurizer 11 desulfurization of described alkalescence is discharged after extracting out by vacuum fan 12 from chimney 13.
Embodiment 2
A kind of sludge dehydrating and drying incinerating method, as shown in Figure 3, comprises the following steps:
(1) mud is modified: mud is discharged into mud modifying device 1, the condensation hot water that described condensate recycling device is discharged and other heat exchange waste water send into mud modifying device 1, mud is carried out dilution and increases temperature, increasing the rear temperature of temperature is 30 DEG C～70 DEG C, press filtration layer can realize the cooling turbid solution pre-treatment of the mummification section to high SS, ammonia nitrogen simultaneously and remove, without the need to carrying out separately agent-feeding treatment, this section realizes water saving, joint medicine, raising efficiency;
(2) sludge dewatering: dilution increasing the mud after temperature and forms mud cake by the dehydration of described sludge deep dehydrator, described moisture content of the cake is 50%～60%, and temperature is 30 DEG C～60 DEG C;
(3) sludge drying: described mud cake is sent into described mud drying device, described mud drying device adopts high temperature heat conductive oil to dry mud as heat-transfer medium, owing to material temperature difference reduces, desiccation machine 5 rotating paddle stress decrease, can extension device work-ing life about 10%, drying time shortens simultaneously, and processed in units amount increases, dewatered sludge water ratio is 30%～55%;
(4) sludge incineration: the mud after mummification is sent in the self-holding incinerator of described mud and carried out multilayer combustion, the envrionment temperature that described mud is controlled oneself in incinerator is 860 DEG C～900 DEG C, the lime mixed in mud suppresses flue gas to produce acid thing, and the gas after burning is discharge after flue gas processing device processes.
In a preferred embodiment, described sludge incineration step also comprises circulation and burns, described circulation burning is specially: the flue gas that described incinerator 8 is discharged is separated through described cyclonic separator, relatively heavier ash is first separated to be back in described incinerator 8 and burns, and the ash after separating for several times is discharged by cyclonic separator slag-drip opening.
Taking above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff in the scope not deviateing this practical new technique thought, can carry out various change and amendment completely. The content that the novel technical scope of this practicality is not limited on specification sheets, it is necessary to determine its technical scope according to right.
Claims (7)
1. a sludge dehydrating and drying incineration system, it is characterized in that, comprise connect successively mud modifying device, sludge deep dehydrator, mud drying device, mud control oneself incinerator, flue gas processing device, described mud drying device is connected with condensate recycling device, described condensate recycling device is connected with the self-holding incinerator of described mud modifying device and mud respectively, and described mud is controlled oneself and is also connected with heat reclamation device between incinerator and described flue gas processing device;
The evaporant that described mud drying device is discharged by described condensate recycling device carries out condensation, more condensed non-condensable gas is sent into described mud controls oneself and burn in incinerator, and condensation hot water is transported to be used for mud in mud modifying device modified;
In the flue gas that self-holding for described mud incinerator is discharged by described heat reclamation device after heat recuperation, dry mud for described mud drying device.
2. sludge dehydrating and drying incineration system as claimed in claim 1, it is characterized in that, described condensate recycling device comprises the condenser being connected by negative blast machine with described mud drying device, described condenser is connected with described mud modifying device by condensing water conduit, and described condenser is also connected by the water extracter connected successively and machine of giving a dinner for a visitor from afar incinerator self-holding with described mud.
3. sludge dehydrating and drying incineration system as claimed in claim 2, it is characterised in that, described heat reclamation device comprises multistage heat-condutive oil heat exchanger and air heat exchanger.
4. sludge dehydrating and drying incineration system as claimed in claim 3, it is characterized in that, described sludge deep dehydrator comprises the lower conveyor belt on the downside of the pressure filter for dewatering and described pressure filter, the terminal of described lower conveyor belt is provided with elevator, the top of described elevator is provided with upper conveyor belt, and the mud of dehydration is sent into described mud drying device by described upper conveyor belt.
5. sludge dehydrating and drying incineration system as claimed in claim 4, it is characterized in that, described mud drying device comprises desiccation machine, dewatered sludge particle in described desiccation machine sends into sludge storage bin by worm conveyor, dewatered sludge in described sludge storage bin sends into the self-holding incinerator of mud by belt and multi-layer helical transfer roller successively, forms close, freeboard of fluidized bed multilayer burning.
6. sludge dehydrating and drying incineration system as claimed in claim 5, it is characterized in that, the self-holding incinerator of described mud comprises incinerator, the bottom of described incinerator is provided with the first slag-drip opening discharging waste residue, flue gas after burning in described incinerator enters cyclopneumatic separator separation, by looping back, the imperfect combustion lime-ash isolated expects that pipe is sent in described incinerator again, the heavy slag after separation is discharged by the second row cinder notch arranged under described cyclopneumatic separator.
7. sludge dehydrating and drying incineration system as claimed in claim 6, it is characterized in that, described flue gas processing device comprises the alkaline desulfurizer being connected with described heat reclamation device, and the gas after the desulfurizer desulfurization of described alkalescence is discharged after extracting out by vacuum fan from chimney.
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| CN201521133600.1U CN205313341U (en) | 2015-12-31 | 2015-12-31 | Sludge dewatering drying combustion system |
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| CN201521133600.1U CN205313341U (en) | 2015-12-31 | 2015-12-31 | Sludge dewatering drying combustion system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439404A (en) * | 2015-12-31 | 2016-03-30 | 无锡国联环保科技股份有限公司 | Sludge dewatering, drying and incinerating system and method |
| CN106115757A (en) * | 2016-06-24 | 2016-11-16 | 季栋梁 | Drilling sludge processing system and method |
| CN107265821A (en) * | 2017-07-21 | 2017-10-20 | 浙江绿治环保技术有限公司 | Sludge continuous heat reforming apparatus and deep dehydration anhydration and incineration technique |
| CN109869728A (en) * | 2019-03-07 | 2019-06-11 | 淄博华焰窑炉技术有限公司 | A kind of sludge treatment system and its treatment process |
| CN110215790A (en) * | 2019-07-02 | 2019-09-10 | 江苏康泰环保股份有限公司 | A kind of low-heat steam total heat recovery dedusting dehumidifying seperator |
| CN113072270A (en) * | 2021-04-06 | 2021-07-06 | 河南城建学院 | Sludge integrated energy utilization system |
-
2015
- 2015-12-31 CN CN201521133600.1U patent/CN205313341U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439404A (en) * | 2015-12-31 | 2016-03-30 | 无锡国联环保科技股份有限公司 | Sludge dewatering, drying and incinerating system and method |
| CN106115757A (en) * | 2016-06-24 | 2016-11-16 | 季栋梁 | Drilling sludge processing system and method |
| CN106115757B (en) * | 2016-06-24 | 2017-11-10 | 季栋梁 | Drilling sludge processing system and method |
| CN107265821A (en) * | 2017-07-21 | 2017-10-20 | 浙江绿治环保技术有限公司 | Sludge continuous heat reforming apparatus and deep dehydration anhydration and incineration technique |
| CN109869728A (en) * | 2019-03-07 | 2019-06-11 | 淄博华焰窑炉技术有限公司 | A kind of sludge treatment system and its treatment process |
| CN110215790A (en) * | 2019-07-02 | 2019-09-10 | 江苏康泰环保股份有限公司 | A kind of low-heat steam total heat recovery dedusting dehumidifying seperator |
| CN113072270A (en) * | 2021-04-06 | 2021-07-06 | 河南城建学院 | Sludge integrated energy utilization system |
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