CN206385112U - The system that sludge dehydrating and drying prepares garbage derivatived fuel - Google Patents

The system that sludge dehydrating and drying prepares garbage derivatived fuel Download PDF

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Publication number
CN206385112U
CN206385112U CN201621394594.XU CN201621394594U CN206385112U CN 206385112 U CN206385112 U CN 206385112U CN 201621394594 U CN201621394594 U CN 201621394594U CN 206385112 U CN206385112 U CN 206385112U
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China
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drier
air
belt conveyor
cold wind
drying
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CN201621394594.XU
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Inventor
雷建国
雷丰源
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Sichuan Thundering Environmental Protection Equipment Co Ltd
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Sichuan Thundering Environmental Protection Equipment Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The utility model discloses the system that a kind of sludge dehydrating and drying prepares garbage derivatived fuel, including sludge dewatering equipment, electron helical scale and batch mixing belt conveyor, it is characterised in that:Also include the stalk belted electronic balance being connected with batch mixing belt conveyor; batch mixing belt conveyor is sequentially connected with mixer, Squeezinggranulator, air drier, cold wind drier; the hot wind inlet of air drier is connected with hot-blast stove; the air outlet of air drier is connected by blower fan with washing the air inlet of gas wash tower; the air outlet of cold wind drier is connected with cold wind blower fan, and wind closing type discharging impeller is equipped with the feed hopper of air drier and cold wind drier;The utility model can be such that the components of biomass in sludge is efficiently utilized, and improve the utilization rate of resource, and obtain high heating value derivatived fuel, while preparation technology overall process is discharged without waste residue, waste gas, environment be protected, with larger economic benefit.

Description

The system that sludge dehydrating and drying prepares garbage derivatived fuel
Technical field
The utility model is related to the system that a kind of use sludge dehydrating and drying prepares garbage derivatived fuel.
Background technology
At present, sewage treatment plant can produce a large amount of sludge during sewage is purified, now generally by the way of landfill Handled;Both land occupation data, also polluted environment;In fact in sludge contain substantial amounts of components of biomass, such as swill, Pericarp shell and straw crops branches and leaves, the calorific value of such material are not utilized effectively, cause the wasting of resources.
The content of the invention
The purpose of this utility model is that the above-mentioned deficiency for being directed to prior art prepares rubbish there is provided a kind of sludge dehydrating and drying The system and technique of derivatived fuel, it can be such that the components of biomass in sludge is efficiently utilized, and improve the utilization rate of resource, And high heating value derivatived fuel is obtained, while preparation technology overall process is discharged without waste residue, waste gas, environment is protected, with larger Economic benefit.
In order to achieve the above object, the system that a kind of sludge dehydrating and drying of the present utility model prepares garbage derivatived fuel, Including sludge dewatering equipment, electron helical scale and batch mixing belt conveyor, it is characterised in that:Also include and batch mixing belt conveyor phase Stalk belted electronic balance even, batch mixing belt conveyor and mixer, Squeezinggranulator, air drier, cold wind drier according to Secondary to be connected, the hot wind inlet of air drier is connected with hot-blast stove, and the air outlet of air drier passes through blower fan and washing dedusting The air inlet of tower is connected, and the air outlet of cold wind drier is connected with cold wind blower fan, in entering for air drier and cold wind drier Wind closing type discharging impeller is equipped with hopper.
The technique that the system of garbage derivatived fuel is prepared suitable for above-mentioned sludge dehydrating and drying, comprises the following steps:1)It is de- Water:By sludge dewatering to water content below 55%;2)Match feeding:It will be sent by the dewatered sludge and powder of straw of default ratio To batch mixing belt conveyor;3)Mixing:Dewatered sludge and powder of straw are delivered in mixer and mixed, water content is less than 35%;4)Squeeze Pressure granulation:Compound is extruded, granulated, material is warmed simultaneously in the process, is realized quenched;Grain diameter is less than 8 Millimeter;5)Heated-air drying:Granule materials are sent into air drier, start hot-blast stove and blower fan, granule materials enter with hot blast Row counter-current drying, hot blast temperature is 90-110 DEG C, and granule materials water content is down to less than 20%, from air drier discharge;Heat exchange Hot blast afterwards is discharged after being cleaned to washing gas wash tower;6)Cold air drying:Granule materials are sent into cold wind drier, started cold Wind blower fan, granule materials carry out counter-current drying with cold wind, and water content is down to less than 13%, from cold wind drier discharge, complete to derive The preparation of fuel.
The utility model, which first passes through sludge dewatering equipment, will usually contain the sludge dewatering of 80% moisture to less than 55%, then with straw After the mixing of stalk powder, calorific value can be both improved, there is further reduction moisture;During extruder grain, material is extruded, and bears height Press, while being heated up naturally, the pliability of wherein biomass is improved, the activity of its internal combination water and tar etc Organic matter is extruded out, realizes quenched, and as natural adhesive, without adding adhesive again, material is pushed out granulation hole Plate is to complete granulating and forming, and treatment effeciency is high;Grain diameter is less than 8 millimeters and is beneficial to follow-up drying;Again by two-stage hot blast, cold After wind counter-current drying so that water content is met to generate electricity or as boiler oil for gasification system gas, makes the biology in sludge Matter composition is efficiently utilized, and improves the utilization rate of resource, no waste sludge discharge, and obtain high heating value derivatived fuel;Rise main It is pumped down to after washing gas wash tower is cleaned and discharges after the hot air heat exchange of desiccation, protects environment, non-exhaust emission;
Pass through blower fan and cyclone dust removal as the air outlet to further improvement of the utility model, the cold wind drier Device is connected;Accordingly, cold wind cold wind drier air outlet come out is evacuated to after cyclone dust collectors dedusting and discharged;Cold wind can be entered Discharged after row purification, dedusting, complete non-exhaust emission;
As granular mill to further improvement of the utility model, is additionally provided with, the discharging opening of granular mill is with returning Expect that belted electronic balance is connected, returning charge belted electronic balance is connected with the batch mixing belt conveyor, the discharging opening of granular mill leads to Cross airduct and blower fan and be connected with washing the air inlet of gas wash tower;Accordingly, the derivatived fuel prepared is broken by granular mill Delivered to after broken, again through returning charge belted electronic balance on batch mixing belt conveyor, realize and press preset ratio with dewatered sludge and powder of straw Proportioning, enter back into subsequent handling;The calorific value of the derivatived fuel in the case where powder of straw supplied materials is not enough can be improved;
As to further improvement of the utility model, stalk belted electronic balance, mixer, Squeezinggranulator, hot air drying Dry machine and cold wind drier are connected by belt conveyor or elevator;Conveying equipment can be selected according to operating mode;
As to further improvement of the utility model, mixer is connected with Squeezinggranulator by belt conveyor, Belt conveyor is provided with magnetic separator;Accordingly, compound is isolated wherein before Squeezinggranulator is entered by magnetic separator Irony impurity;Both material calorific value had been improved, extruding granulation equipment is protected again;
In summary, the utility model can be such that the components of biomass in sludge is efficiently utilized, and improve the profit of resource With rate, and obtain high heating value derivatived fuel, while preparation technology overall process is discharged without waste residue, waste gas, protect environment, with compared with Big economic benefit.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment.
Fig. 2 is the front view of Squeezinggranulator in Fig. 1.
Fig. 3 is Fig. 2 A-A sectional views.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in further detail.
As shown in figure 1, the system that the sludge dehydrating and drying of the embodiment prepares garbage derivatived fuel, including sludge dewatering equipment 1st, the batch mixing belt conveyor 3 being connected by electron helical scale 2 with sludge dewatering equipment 1, the straw being connected with batch mixing belt conveyor 3 Stalk belted electronic balance 4, the granular mill 6 being connected by returning charge belted electronic balance 5 with batch mixing belt conveyor 3, batch mixing belt Conveyer 3, mixer 7, Squeezinggranulator 8 are sequentially connected by two belt conveyors 9,10, are provided with belt conveyor 10 Magnetic separator 11;Squeezinggranulator 8, air drier 12, cold wind drier 13 are sequentially connected by two elevators, air drier 12 hot wind inlet is connected with hot-blast stove 14, and the air outlet of air drier 12 passes through blower fan with washing the air inlet of gas wash tower 15 It is connected, the air outlet of cold wind drier 13 is connected by cold wind blower fan with cyclone dust collectors 16, in air drier 12 and cold wind Wind closing type discharging impeller 17 is equipped with the feed hopper of drying machine 13;The discharging opening of granular mill 6 by airduct and blower fan with The air inlet for washing gas wash tower 15 is connected;
Squeezinggranulator as shown in Figure 2 and Figure 3, including motor 18, casing 19, pass through as transmission device belt pulley pass Power transmission shaft 23 that motivation structure 20, decelerator 21 and shaft coupling 22 are connected with motor 18, in casing 19 and with the phase of power transmission shaft 23 The main shaft 24 of connection, import is provided with the front end of casing 19, and the end of casing 19 is provided with solid on the cone section 26 gradually tapered up, main shaft 24 Provided with helical blade 27, helical blade its pitch in cone section 26 is gradually reduced, and orifice plate 28, hole are provided with cone section 25 rear Plate 28 is provided with several forming holes 29;
The utility model prepares the technique of garbage derivatived fuel suitable for the sludge dehydrating and drying of said system, including following Step:1)Dehydration:Extrusion dehydration is carried out to sludge by sludge dewatering equipment 1, by sludge dewatering to water content below 55%;2)Match somebody with somebody Compare feeding:Weighed by electron helical scale 2 and stalk belted electronic balance 4, feeding, the dehydration by default ratio is dirty Mud and powder of straw are delivered on batch mixing belt conveyor 3, and powder of straw accounts for the 30%-40% of dewatered sludge weight;3)Mixing:Pass through batch mixing Dewatered sludge and powder of straw are delivered to mixing in mixer 7 by belt conveyor 3, belt conveyor 9, reach that water content is less than 35%; 4)Extruder grain:Removed after irony impurity, fed the mixture into Squeezinggranulator 8 by belt conveyor 10, magnetic separator 11, Screw type stirring, conveying are carried out by helical blade 27, the pressurized shaping for extruding, being pressed into orifice plate 28 of section 26 is bored in casing Hole 29 is granulated, and storeroom phase mutual friction rubbing is crushed, and the granularity and pliability of material are improved, in the process material Heated up, realized quenched naturally simultaneously;It is less than 8 millimeters by the pore size control grain diameter of forming hole 29;5)Heated-air drying: Granule materials are sent into air drier 12 by elevator, start hot-blast stove 14 and blower fan, granule materials are carried out with hot blast Counter-current drying, hot blast temperature is 90-110 DEG C, and granule materials water content is down to less than 20%, is discharged from air drier 12;Heat exchange Hot blast afterwards is discharged after being cleaned to washing gas wash tower 15;6)Cold air drying:Granule materials are sent into by cold air drying by elevator In dry machine 13, start cold wind blower fan, granule materials and 30-50 DEG C of cold wind carry out counter-current drying, and water content is down to less than 13%, Discharged from cold wind drier 13, complete the preparation of derivatized particles fuel;Such as occur the insufficient situation of powder of straw, will can prepare Good derivatized particles fuel by granular mill 6 it is broken after, deliver to again on batch mixing belt conveyor 3 through returning charge belted electronic balance 5, The proportioning that preset ratio is pressed with dewatered sludge and powder of straw is realized, subsequent handling is entered back into and prepares derivatized particles fuel;Pass through wind Dust leakage when machine can prevent from crushing;
The utility model, which first passes through sludge dewatering equipment, will usually contain the sludge dewatering of 80% moisture to less than 55%, then with straw Stalk powder is pressed after the accurate mixing of default ratio, can both be improved calorific value, further be reduced moisture;During extruder grain, Material is extruded, and bears high pressure, while being heated up naturally, the granularity and pliability of wherein biomass are improved, inside it Combination water and the acitve organic matter of tar etc be extruded out, realize it is quenched, as natural adhesive, without adding again Adhesive, material is pushed out granulation orifice plate 29 and completes granulating and forming, and treatment effeciency is high;After grain diameter is beneficial to less than 8 millimeters Continuous drying;Again by two-stage hot blast, cold wind counter-current drying after so that water content meet for gasification system gas generate electricity or make For boiler oil, the components of biomass in sludge is efficiently utilized, improve the utilization rate of resource, no waste sludge discharge, and Obtain high heating value derivatived fuel;Rise desiccation hot blast and cold wind heat exchange after be pumped down to that washing gas wash tower 15 is cleaned or whirlwind Discharged after the dedusting of deduster 16, protect environment, non-exhaust emission;In the feed hopper of air drier 12 and cold wind drier 13 Wind closing type discharging impeller 17 can prevent charging when leak out, it is ensured that drying effect.

Claims (5)

1. the system that a kind of sludge dehydrating and drying prepares garbage derivatived fuel, including sludge dewatering equipment, electron helical scale and batch mixing Belt conveyor, it is characterised in that:Also include the stalk belted electronic balance being connected with batch mixing belt conveyor, batch mixing Belt Conveying Machine is sequentially connected with mixer, Squeezinggranulator, air drier, cold wind drier, hot wind inlet and the heat of air drier Wind furnace is connected, and the air outlet of air drier is connected by blower fan with washing the air inlet of gas wash tower, the air-out of cold wind drier Mouth is connected with cold wind blower fan, and wind closing type discharging impeller is equipped with the feed hopper of air drier and cold wind drier.
2. the system that sludge dehydrating and drying according to claim 1 prepares garbage derivatived fuel, it is characterised in that:It is described cold The air outlet of wind drying machine is connected by blower fan with cyclone dust collectors.
3. the system that sludge dehydrating and drying as claimed in claim 1 or 2 prepares garbage derivatived fuel, it is characterised in that:Also set There is granular mill, the discharging opening of granular mill is connected with returning charge belted electronic balance, returning charge belted electronic balance and the batch mixing Belt conveyor is connected, and the discharging opening of granular mill is connected by airduct and blower fan with washing the air inlet of gas wash tower.
4. the system that sludge dehydrating and drying as claimed in claim 3 prepares garbage derivatived fuel, it is characterised in that:Stalk electronics Belt conveyer scale, mixer, Squeezinggranulator, air drier and cold wind drier are connected by belt conveyor or elevator.
5. the system that sludge dehydrating and drying as claimed in claim 3 prepares garbage derivatived fuel, it is characterised in that:Mixer with Squeezinggranulator is connected by belt conveyor, and magnetic separator is provided with belt conveyor.
CN201621394594.XU 2016-12-19 2016-12-19 The system that sludge dehydrating and drying prepares garbage derivatived fuel Active CN206385112U (en)

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CN201621394594.XU CN206385112U (en) 2016-12-19 2016-12-19 The system that sludge dehydrating and drying prepares garbage derivatived fuel

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Application Number Priority Date Filing Date Title
CN201621394594.XU CN206385112U (en) 2016-12-19 2016-12-19 The system that sludge dehydrating and drying prepares garbage derivatived fuel

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106635237A (en) * 2016-12-19 2017-05-10 四川雷鸣环保装备有限公司 System and technology for preparing garbage derivative fuel by dewatering and drying sludge
CN108355815A (en) * 2018-03-19 2018-08-03 山东京博装备制造安装有限公司 A kind of solid waste pretreatment unit and technique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106635237A (en) * 2016-12-19 2017-05-10 四川雷鸣环保装备有限公司 System and technology for preparing garbage derivative fuel by dewatering and drying sludge
CN108355815A (en) * 2018-03-19 2018-08-03 山东京博装备制造安装有限公司 A kind of solid waste pretreatment unit and technique
CN108355815B (en) * 2018-03-19 2023-08-22 山东京博装备制造安装有限公司 Solid waste pretreatment device and process

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