CN105293861A - Wood chip and sludge blending system and blending method - Google Patents
Wood chip and sludge blending system and blending method Download PDFInfo
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- CN105293861A CN105293861A CN201510808459.9A CN201510808459A CN105293861A CN 105293861 A CN105293861 A CN 105293861A CN 201510808459 A CN201510808459 A CN 201510808459A CN 105293861 A CN105293861 A CN 105293861A
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Abstract
The invention discloses a wood chip and sludge blending system. The system comprises a sludge hopper and a wood chip hopper. The sludge hopper is provided with a material inlet. The material outlet of the sludge hopper is connected to the material inlet of a sludge auger conveyer. The material outlet of the sludge auger conveyor is connected to the material inlet of a conveyer belt wheel mechanism. The wood chip hopper is provided with a material inlet. The material outlet of the wood chip hopper is connected to the material inlet of a wood chip auger conveyor. The material outlet of the wood chip auger conveyor is connected to the material inlet of a wood chip distributor. The material outlet of the wood chip distributor is connected to the material inlet of the conveyer belt wheel mechanism. The material outlet of the conveyer belt wheel mechanism is connected to the material inlet of a horizontal screw rod helix ribbon type stirrer. The material outlet of the horizontal screw rod helix ribbon type stirrer is connected to the material inlet of a multi-shaft stirrer, which is also provided with a material outlet. The invention also discloses a method for blending wood chip and sludge.
Description
Technical field
The present invention relates to a kind of wood chip and mud blending system and mixing method.
Background technology
Since 21 century, along with economy develops rapidly, the annual production of China's sewage sludge sharply increases, wherein nearly 4,000 ten thousand tons of the output of 2014.As far back as nineteen ninety-five, World Water environmental organization determines the concept with " biosolids " replacement " sewage sludge "
[7], its specific definition is: " one is rich in and can utilizes organic pollutent ", highlights the value that sewage sludge has recycling, makes recycling sludge, the concept of energy is widely accepted.
Because the factors such as the water ratio of mud is high, energy density is low reduce its economy utilized separately, not yet effective exploitation and Appropriate application can be obtained.The water ratio of mud is greater than 70% usually, and containing combustiblecomponentss such as a large amount of C, H, if can reclaim energy wherein, and for air feed or as fuel oil substitute, is all significant for solution environment and energy problem.
Because the viscosity of mud is comparatively large, water ratio is higher, it is more difficult for directly carrying out pyrolysis to it; Mud and biomass wood chip are carried out blending, the viscosity of raw material and total water ratio can be reduced, increase carbon content in raw material, then can effectively address this problem.But the blending difficulty of mud and wood chip is comparatively large, has no mud and biomass wood chip blending technique, mixing device and blending systematic account at present.
Summary of the invention
Goal of the invention: the object of this invention is to provide a kind of blending system and the mixing method that can realize the abundant blending of mud and wood chip.
Technical scheme: for reaching this object, the present invention by the following technical solutions:
A kind of wood chip of the present invention and mud blending system, comprise mud hopper and wood chip hopper, mud hopper is provided with opening for feed, the discharge port of mud hopper connects the opening for feed of mud screw conveyor, the discharge port of mud screw conveyor connects the opening for feed of belt pulley for feeding foil mechanism, wood chip hopper is provided with opening for feed, the discharge port of wood chip hopper connects the opening for feed of wood chip screw conveyor, the discharge port of wood chip screw conveyor connects the opening for feed of wood chip sparger, the discharge port of wood chip sparger connects the opening for feed of belt pulley for feeding foil mechanism, the discharge port of belt pulley for feeding foil mechanism connects the opening for feed of horizontal screw bolt helix agitator, the discharge port of horizontal screw bolt helix agitator connects the opening for feed of multi-shaft agitator, multi-shaft agitator is also provided with discharge port.
In order to be uniformly distributed by wood chip, to improve the mixing effect of wood chip and mud, be provided with equally distributed duct in described wood chip sparger inside.
Further, described channel diameter is 10-50mm, and the width between centers of adjoining cell channels is 20-100mm.
In order to ensure that wood chip can be uniformly distributed in wood chip sparger discharge outlet, the shape of the cylindrical shell cross section of described wood chip sparger is identical with area with the shape of wood chip sparger discharge port cross section with area.
Further, the cylindrical shell cross section of described wood chip sparger and wood chip sparger discharge port cross section are rectangle or square.
Described belt pulley for feeding foil mechanism comprises conveying belt, and in order to the wood chip making wood chip sparger export is uniformly distributed on the conveyor belt, the width of the opening for feed of belt pulley for feeding foil mechanism is identical with the width of conveying belt.
In order to mud being carried out preliminary fragmentation before blending, blending system also comprises blade type crusher, and blade type crusher is provided with opening for feed, and the discharge port of blade type crusher connects the opening for feed of mud hopper.
A kind of wood chip of the present invention and mud mixing method, comprise the following steps:
S1: added by the opening for feed of mud from mud hopper, meanwhile, adds the opening for feed of wood chip from wood chip hopper;
S2: mud exports the opening for feed of mud screw conveyor to from the discharge port of mud hopper, wood chip exports the opening for feed of wood chip screw conveyor to from the discharge port of wood chip hopper;
S3: mud exports the opening for feed of belt pulley for feeding foil mechanism to after the transporting of mud screw conveyor from the discharge port of mud screw conveyor, wood chip exports the opening for feed of wood chip sparger to after the transporting of wood chip screw conveyor from the discharge port of wood chip screw conveyor, being uniformly distributed of wood chip is achieved after wood chip sparger, then the wood chip after being uniformly distributed exports the opening for feed of belt pulley for feeding foil mechanism again to from the discharge port of wood chip sparger, now, wood chip is evenly distributed on the surface of the in-house mud of belt pulley for feeding foil, obtains first mixing raw material;
S4: first mixing raw material exports the opening for feed of horizontal screw bolt helix agitator to from the discharge port of belt pulley for feeding foil mechanism, through sufficient Agitation and mixing, obtain secondary mixing raw material;
S5: secondary mixing raw material exports the opening for feed of multi-shaft agitator to from the discharge port of horizontal screw bolt helix agitator, through further Agitation and mixing, obtains final mixing raw material, and exports from the discharge port of multi-shaft agitator.
In order to ensure that mixture reaches the mixing proportion of expection, avoid the situation occurring only having single material in blending system, described mud screw conveyor and the run-in synchronism of wood chip screw conveyor.
In order to mud being carried out preliminary fragmentation before blending, the opening for feed of mud from blade type crusher adds by described step S1, meanwhile, added by the opening for feed of wood chip from wood chip hopper, mud exports the opening for feed of mud hopper to through the discharge port of blade type crusher.
Beneficial effect: compared with prior art, the present invention has following beneficial effect:
(1) blending system of the present invention and mixing method are applicable to all types of industries organic sludge of water ratio 30%-80%, domestic sludge, the organic detritus of high-moisture percentage and the blending of wood chip;
(2) blending system of the present invention and mixing method have employed wood chip sparger, achieve wood chip being uniformly distributed in Sludge Surface, thus improve the mixing effect of wood chip and mud;
(3) block mud can be carried out preliminary fragmentation by the blade type crusher arranged before mud hopper, and the blending after making is more prone to, thoroughly;
(4) mixing method of the present invention have employed the different blending operation in three roads, form respectively first mixing raw material, secondary mixing raw material and final mixing raw material, effectively ensure that the even blending of mud and wood chip, improve efficiency and the treatment capacity of blending.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of blending system of the present invention;
Fig. 2 is the structural representation of the second embodiment of blending system of the present invention;
11---mud hopper, 21---wood chip hopper, 12---mud screw conveyor, 22---wood chip screw conveyor, 23---wood chip sparger, 3---belt pulley for feeding foil mechanism, 4---horizontal screw bolt helix agitator, 5---multi-shaft agitator, 6---blade type crusher, 121---the first motor, 221---the second motor, 41---the 3rd motor, a---wood chip, b---mud, c---first mixing raw material, d---secondary mixing raw material, e---final mixing raw material.
Embodiment
Below in conjunction with embodiment, technical scheme of the present invention is further introduced.
The invention discloses a kind of wood chip and mud blending system and mixing method, the first embodiment of blending system as shown in Figure 1, comprise mud hopper 11 and wood chip hopper 21, mud hopper 11 is provided with opening for feed, the discharge port of mud hopper 11 connects the opening for feed of mud screw conveyor 12, the discharge port of mud screw conveyor 12 connects the opening for feed of belt pulley for feeding foil mechanism 3, wood chip hopper 21 is provided with opening for feed, the discharge port of wood chip hopper 21 connects the opening for feed of wood chip screw conveyor 22, the discharge port of wood chip screw conveyor 22 connects the opening for feed of wood chip sparger 23, the discharge port of wood chip sparger 23 connects the opening for feed of belt pulley for feeding foil mechanism 3, the discharge port of belt pulley for feeding foil mechanism 3 connects the opening for feed of horizontal screw bolt helix agitator 4, the discharge port of horizontal screw bolt helix agitator 4 connects the opening for feed of multi-shaft agitator 5, multi-shaft agitator 5 is also provided with discharge port.Mud screw conveyor 12 is driven by the first motor 121, and wood chip screw conveyor 22 is driven by the second motor 221, and horizontal screw bolt helix agitator 4 is driven by the 3rd motor 41.
In order to be uniformly distributed by wood chip a, to improve the mixing effect of wood chip a and mud b, be provided with equally distributed duct in wood chip sparger 23 inside.Channel diameter is 10-50mm, and the width between centers of adjoining cell channels is 20-100mm.
In order to ensure that wood chip a can be uniformly distributed in wood chip sparger discharge outlet, the shape of the cylindrical shell cross section of wood chip sparger 23 is identical with area with the shape of wood chip sparger 23 discharge port cross section with area.Cylindrical shell cross section and wood chip sparger (23) the discharge port cross section of wood chip sparger 23 are rectangle or square.
Belt pulley for feeding foil mechanism 3 comprises conveying belt, and the wood chip a exported to make wood chip sparger 23 is uniformly distributed on the conveyor belt, and the width of the opening for feed of belt pulley for feeding foil mechanism 3 is identical with the width of conveying belt.
The first embodiment of mixing method comprises the following steps:
S1: added from the opening for feed of mud hopper 11 by mud b, meanwhile, adds wood chip a from the opening for feed of wood chip hopper 21;
S2: mud b exports the opening for feed of mud screw conveyor 12 to from the discharge port of mud hopper 11, wood chip a exports the opening for feed of wood chip screw conveyor 22 to from the discharge port of wood chip hopper 21;
S3: the mud b opening for feed exporting belt pulley for feeding foil mechanism 3 after the transporting of mud screw conveyor 12 from the discharge port of mud screw conveyor 12 to, wood chip a exports the opening for feed of wood chip sparger 23 to after the transporting of wood chip screw conveyor 22 from the discharge port of wood chip screw conveyor 22, being uniformly distributed of wood chip a is achieved after wood chip sparger 23, then the wood chip a after being uniformly distributed exports the opening for feed of belt pulley for feeding foil mechanism 3 again to from the discharge port of wood chip sparger 23, now, wood chip a is evenly distributed on the surface of the mud b in belt pulley for feeding foil mechanism 3, obtain first mixing raw material c,
S4: first mixing raw material c exports the opening for feed of horizontal screw bolt helix agitator 4 to from the discharge port of belt pulley for feeding foil mechanism 3, through sufficient Agitation and mixing, obtain secondary mixing raw material d;
S5: secondary mixing raw material d exports the opening for feed of multi-shaft agitator 5 to from the discharge port of horizontal screw bolt helix agitator 4, through further Agitation and mixing, obtains final mixing raw material e, and exports from the discharge port of multi-shaft agitator 5.
In the first embodiment of blending system and mixing method: when the envrionment temperature of system works be 30 DEG C, the feeding rate of mud b and wood chip a be 100kg/h time, the final mixing raw material e obtained contains the wood chip a of 50%; When the envrionment temperature of system works be 10 DEG C, the feeding rate of mud b is 100kg/h, the feeding rate of wood chip a is 200kg/h time, the final mixing raw material e obtained contains the wood chip a of 67%; When the envrionment temperature of system works be 20 DEG C, the feeding rate of mud b is 200kg/h, the feeding rate of wood chip a is 100kg/h time, the final mixing raw material e obtained contains the wood chip a of 33%.
In order to mud b being carried out preliminary fragmentation before blending, as shown in Figure 2, the second embodiment of blending system also comprises blade type crusher 6, and blade type crusher 6 is provided with opening for feed, and the discharge port of blade type crusher 6 connects the opening for feed of mud hopper 11.Mud b adds from the opening for feed of blade type crusher 6 by the step S1 of the second embodiment of mixing method, meanwhile, added from the opening for feed of wood chip hopper 21 by wood chip a, mud b exports the opening for feed of mud hopper 11 to through the discharge port of blade type crusher 6.
In the second embodiment of blending system and mixing method, when the envrionment temperature of system works is-5 DEG C, the mud b at this temperature is blocks of solid, and viscosity is relatively little, therefore utilizes blade type crusher 6 block mud b can be carried out preliminary fragmentation.The feeding rate of mud b is 200kg/h, and the feeding rate of wood chip a is 100kg/h, and the final mixing raw material e obtained contains the wood chip a of 33%.
Claims (10)
1. a wood chip and mud blending system, it is characterized in that: comprise mud hopper (11) and wood chip hopper (21), mud hopper (11) is provided with opening for feed, the discharge port of mud hopper (11) connects the opening for feed of mud screw conveyor (12), the discharge port of mud screw conveyor (12) connects the opening for feed of belt pulley for feeding foil mechanism (3), wood chip hopper (21) is provided with opening for feed, the discharge port of wood chip hopper (21) connects the opening for feed of wood chip screw conveyor (22), the discharge port of wood chip screw conveyor (22) connects the opening for feed of wood chip sparger (23), the discharge port of wood chip sparger (23) connects the opening for feed of belt pulley for feeding foil mechanism (3), the discharge port of belt pulley for feeding foil mechanism (3) connects the opening for feed of horizontal screw bolt helix agitator (4), the discharge port of horizontal screw bolt helix agitator (4) connects the opening for feed of multi-shaft agitator (5), multi-shaft agitator (5) is also provided with discharge port.
2. wood chip according to claim 1 and mud blending system, is characterized in that: described wood chip sparger (23) inside is provided with equally distributed duct.
3. wood chip according to claim 2 and mud blending system, is characterized in that: described channel diameter is 10-50mm, the width between centers of adjoining cell channels is 20-100mm.
4. wood chip according to claim 1 and mud blending system, is characterized in that: the shape of the cylindrical shell cross section of described wood chip sparger (23) is identical with area with the shape of wood chip sparger (23) discharge port cross section with area.
5. wood chip according to claim 4 and mud blending system, is characterized in that: cylindrical shell cross section and wood chip sparger (23) the discharge port cross section of described wood chip sparger (23) are rectangle or square.
6. wood chip according to claim 1 and mud blending system, is characterized in that: described belt pulley for feeding foil mechanism (3) comprises conveying belt, and the width of the opening for feed of belt pulley for feeding foil mechanism (3) is identical with the width of conveying belt.
7. wood chip according to claim 1 and mud blending system, it is characterized in that: blending system also comprises blade type crusher (6), blade type crusher (6) is provided with opening for feed, and the discharge port of blade type crusher (6) connects the opening for feed of mud hopper (11).
8. wood chip and a mud mixing method, is characterized in that: comprise the following steps:
S1: added by the opening for feed of mud (b) from mud hopper (11), meanwhile, adds the opening for feed of wood chip (a) from wood chip hopper (21);
S2: mud (b) exports the opening for feed of mud screw conveyor (12) to from the discharge port of mud hopper (11), wood chip (a) exports the opening for feed of wood chip screw conveyor (22) to from the discharge port of wood chip hopper (21);
S3: mud (b) exports the opening for feed of belt pulley for feeding foil mechanism (3) to after the transporting of mud screw conveyor (12) from the discharge port of mud screw conveyor (12), wood chip (a) exports the opening for feed of wood chip sparger (23) to after the transporting of wood chip screw conveyor (22) from the discharge port of wood chip screw conveyor (22), being uniformly distributed of wood chip (a) is achieved after wood chip sparger (23), then the wood chip (a) after being uniformly distributed exports the opening for feed of belt pulley for feeding foil mechanism (3) again to from the discharge port of wood chip sparger (23), now, wood chip (a) is evenly distributed on the surface of the mud (b) in belt pulley for feeding foil mechanism (3), obtain first mixing raw material (c),
S4: first mixing raw material (c) exports the opening for feed of horizontal screw bolt helix agitator (4) to from the discharge port of belt pulley for feeding foil mechanism (3), through sufficient Agitation and mixing, obtain secondary mixing raw material (d);
S5: secondary mixing raw material (d) exports the opening for feed of multi-shaft agitator (5) to from the discharge port of horizontal screw bolt helix agitator (4), through further Agitation and mixing, obtain final mixing raw material (e), and export from the discharge port of multi-shaft agitator (5).
9. wood chip according to claim 8 and mud mixing method, is characterized in that: described mud screw conveyor (12) and wood chip screw conveyor (22) run-in synchronism.
10. wood chip according to claim 8 and mud mixing method, it is characterized in that: the opening for feed of mud (b) from blade type crusher (6) adds by described step S1, meanwhile, added by the opening for feed of wood chip (a) from wood chip hopper (21), mud (b) exports the opening for feed of mud hopper (11) to through the discharge port of blade type crusher (6).
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| CN201510808459.9A CN105293861B (en) | 2015-11-20 | 2015-11-20 | A kind of wood chip and sludge blending system and mixing method |
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| CN201510808459.9A CN105293861B (en) | 2015-11-20 | 2015-11-20 | A kind of wood chip and sludge blending system and mixing method |
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| CN105293861A true CN105293861A (en) | 2016-02-03 |
| CN105293861B CN105293861B (en) | 2017-11-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455813A (en) * | 2017-02-22 | 2018-08-28 | 郑百祥 | A kind of sludge treatment equipment |
| CN109397483A (en) * | 2018-12-05 | 2019-03-01 | 徐州逸刻新型墙体材料有限公司 | Highly effective sludge brick equipment |
| CN111644450A (en) * | 2020-06-29 | 2020-09-11 | 盐城工学院 | Organic household garbage treatment system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202415348U (en) * | 2011-12-31 | 2012-09-05 | 青州市圣洁环保设备科技有限公司 | Movable type sludge solidification treatment device |
| WO2014107177A1 (en) * | 2013-01-02 | 2014-07-10 | American Fuel Producers, LLC | Methods for producing synthetic fuel |
| CN104277883A (en) * | 2013-09-13 | 2015-01-14 | 苏韶华 | Preparation method of sludge synthetic fuel |
| CN104593112A (en) * | 2015-01-30 | 2015-05-06 | 湖南大学 | Preparation method and preparation system for biomass forming granular fuels |
| CN104974812A (en) * | 2014-04-07 | 2015-10-14 | 晏捷 | Method for producing clean coal (carbon) spheres by using municipal sludge and agricultural wastes |
-
2015
- 2015-11-20 CN CN201510808459.9A patent/CN105293861B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202415348U (en) * | 2011-12-31 | 2012-09-05 | 青州市圣洁环保设备科技有限公司 | Movable type sludge solidification treatment device |
| WO2014107177A1 (en) * | 2013-01-02 | 2014-07-10 | American Fuel Producers, LLC | Methods for producing synthetic fuel |
| CN104277883A (en) * | 2013-09-13 | 2015-01-14 | 苏韶华 | Preparation method of sludge synthetic fuel |
| CN104974812A (en) * | 2014-04-07 | 2015-10-14 | 晏捷 | Method for producing clean coal (carbon) spheres by using municipal sludge and agricultural wastes |
| CN104593112A (en) * | 2015-01-30 | 2015-05-06 | 湖南大学 | Preparation method and preparation system for biomass forming granular fuels |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455813A (en) * | 2017-02-22 | 2018-08-28 | 郑百祥 | A kind of sludge treatment equipment |
| CN108455813B (en) * | 2017-02-22 | 2023-08-29 | 郑百祥 | Sludge treatment device |
| CN109397483A (en) * | 2018-12-05 | 2019-03-01 | 徐州逸刻新型墙体材料有限公司 | Highly effective sludge brick equipment |
| CN111644450A (en) * | 2020-06-29 | 2020-09-11 | 盐城工学院 | Organic household garbage treatment system and method |
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| CN105293861B (en) | 2017-11-21 |
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Effective date of registration: 20230331 Address after: 224000 in the village committee of Yangxu village, panhuang street, Yandu District, Yancheng City, Jiangsu Province Patentee after: Jiangsu selon energy saving technology Engineering Co.,Ltd. Address before: 224051 middle road of hope Avenue, Yancheng City, Jiangsu Province, No. 1 Patentee before: YANCHENG INSTITUTE OF TECHNOLOGY |
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