CN113816081A - Device and method for heating by using high-temperature flue gas or hot air to assist in conveying solid waste - Google Patents
Device and method for heating by using high-temperature flue gas or hot air to assist in conveying solid waste Download PDFInfo
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- CN113816081A CN113816081A CN202111212123.8A CN202111212123A CN113816081A CN 113816081 A CN113816081 A CN 113816081A CN 202111212123 A CN202111212123 A CN 202111212123A CN 113816081 A CN113816081 A CN 113816081A
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- CN
- China
- Prior art keywords
- flue gas
- temperature flue
- hot air
- conveying
- solid waste
- 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.)
- Pending
Links
- 239000002910 solid waste Substances 0.000 title claims abstract description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000003546 flue gas Substances 0.000 title claims abstract description 26
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 10
- 239000002699 waste material Substances 0.000 description 9
- 239000000779 smoke Substances 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
- B65G33/18—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing with multiple screws in parallel arrangements, e.g. concentric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/32—Adaptations of bearings or couplings for supporting and connecting screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/34—Applications of driving gear
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Screw Conveyors (AREA)
- Coke Industry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a device and a method for heating by utilizing high-temperature flue gas or hot air to assist in conveying solid waste, wherein the device comprises a shell, a conveying screw, a speed reducer and a variable frequency motor; a material inlet and a heat source interface are arranged on one side of the shell, a product outlet is arranged on the other side of the shell, an output shaft of the variable frequency motor is connected with one end of the conveying screw through a speed reducer, and the other end of the conveying screw penetrates through the shell along the axial direction.
Description
Technical Field
The invention belongs to the field of multi-source solid waste treatment, and relates to a device and a method for assisting in conveying solid waste by heating with high-temperature flue gas or hot air.
Background
Along with the acceleration of the urbanization process in China, the multi-source solid waste of the building is rapidly increased, and the traditional modes such as landfill occupy a large area and are easy to cause secondary environmental pollution. With the increasing environmental awareness of the nation, the resource utilization and harmless disposal of multi-source solid wastes become difficult problems for various local governments. However, the multi-source solid waste has different dry and wet forms and complex components, particularly the disposal amount of waste such as cloth strips, rubber, biomass, garbage and the like is large, feeding and conveying are difficult, substances such as tar and the like are easily generated in the high-temperature disposal process, the phenomena of sticking and blocking of equipment and pipelines are generated, partial substances can be completely separated out in the environment with the temperature of more than 500 ℃ for a long time, the feeding amount of the waste is limited, and the complexity of the subsequent disposal process is increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device and a method for heating by using high-temperature flue gas or hot air to assist in conveying solid waste, and the device and the method can be used for preprocessing multi-source waste.
In order to achieve the aim, the device for heating by utilizing high-temperature flue gas or hot air to assist in conveying solid waste comprises a shell, a conveying screw, a speed reducer and a variable frequency motor;
one side of the shell is provided with a material inlet and a heat source interface, the other side of the shell is provided with a product outlet, an output shaft of the variable frequency motor is connected with one end of the conveying screw through a speed reducer, and the other end of the conveying screw penetrates through the shell along the axial direction.
The output shaft of the variable frequency motor is connected with the conveying screw through a speed reducer and a heat insulation connecting piece.
The heat insulation connecting piece is connected with the speed reducer through a connecting shaft.
The connecting shaft is provided with a water cooling device.
A high-temperature bearing is arranged between the shell and the conveying screw.
The number of the conveying screws is determined according to the physicochemical characteristics of the multi-source solid waste.
The working medium input into the heat source interface is high-temperature flue gas or hot air.
The method for heating by using high-temperature flue gas or hot air to assist in conveying solid waste comprises the following steps:
multisource solid waste enters the shell through the material inlet, high-temperature smoke or hot air enters the shell through the heat source interface, multisource solid waste entering the shell is conveyed to the product outlet through the conveying screw in a rotating mode, and in the process of rotating conveying, multisource solid waste is heated and carbonized through the high-temperature smoke or hot air, so that substances containing moisture and volatilizing in the multisource waste are converted into gaseous substances, tar is evaporated or converted into gas, and other substances exist in a solid state mode.
The invention has the following beneficial effects:
the invention relates to a device and a method for heating by utilizing high-temperature flue gas or hot air to assist in conveying solid waste, wherein during specific operation, multi-source solid waste enters a shell through a material inlet, the high-temperature flue gas or hot air enters the shell through a heat source interface, the multi-source solid waste is conveyed to a product outlet through the rotation of a conveying screw in the shell, during the conveying process, the multi-source waste is heated and carbonized in the shell through the high-temperature flue gas or hot air, substances containing moisture and volatilization are converted into gaseous substances, tar is evaporated or converted into gas, and other substances exist in a solid form, so that the volume is greatly reduced, the physical property is improved, and the pretreatment of the multi-source solid waste is realized: for fluffy materials such as cloth strips and the like, the conveying volume is reduced by heating and carbonizing in a large proportion, so that the conveying difficulty is solved; the rubber waste can be subjected to high-temperature long-time pyrolysis in the conveying stage, so that carbonization and decomposition and tar precipitation and oxidation are facilitated, and good conditions are provided for subsequent treatment.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a shell, 2 is a material inlet, 3 is a heat source interface, 4 is a product outlet, 5 is a conveying screw, 6 is a high-temperature bearing, 7 is a heat insulation connecting piece, 8 is a water cooling device, 9 is a speed reducer, and 10 is a variable frequency motor.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the device for assisting in conveying solid waste by heating with high-temperature flue gas or hot air according to the present invention includes a housing 1, a conveying screw 5, a high-temperature bearing 6, a heat insulation connecting member 7, a water cooling device 8, a speed reducer 9, and a variable frequency motor 10.
A material inlet 2 and a heat source interface 3 are arranged on one side of the shell 1, a product outlet 4 is arranged on the other side of the shell 1, an output shaft of a variable frequency motor 10 is connected with one end of a conveying screw 5 through a speed reducer 9 and a heat insulation connecting piece 7, the other end of the conveying screw 5 axially penetrates through the shell 1, a water cooling device 8 is arranged on a connecting shaft between the heat insulation connecting piece 7 and the speed reducer 9, and a high-temperature bearing 6 is arranged between the shell 1 and the conveying screw 5.
The number of the conveying screws 5 is determined according to the physical and chemical properties of the materials.
The method for heating by using high-temperature flue gas or hot air to assist in conveying solid waste comprises the following steps:
multisource solid waste enters the shell 1 through the material inlet 2, high-temperature smoke or hot air enters the shell 1 through the heat source interface 3, multisource solid waste entering the shell 1 is conveyed to the product outlet 4 through the conveying screw 5 in a rotating mode, the retention time of the multisource solid waste in the shell 1 is adjusted through the frequency of the variable frequency motor 10, the retention time of the multisource solid waste can reach more than 30min, the multisource waste is heated and carbonized by the high-temperature smoke or the hot air in the shell 1, due to the fact that the multisource waste is long in the retention time of the multisource waste in the shell 1, substances containing moisture and volatilizing are converted into gaseous substances, tar is evaporated and converted into gas, and other substances exist in a solid form to reduce the size and improve the physical properties, and are convenient to convey and subsequently dispose. Wherein, the gaseous product is conveyed to a product outlet 4 along with high-temperature flue gas or hot air flow; the solid product is conveyed to the product outlet 4 by the conveying screw 5, and the gaseous and solid products from the product outlet 4 enter the subsequent flow for further disposal.
In addition, in order to prevent the conveying screw 5 in a high-temperature environment from guiding heat to the speed reducer 9 and the variable frequency motor 10 through the shaft, the conveying screw 5 is connected with the speed reducer 9 through the heat insulation connecting piece 7, and the water cooling device 8 is arranged on the connecting shaft between the speed reducer 9 and the heat insulation connecting piece 7 to prevent the heat from being guided to the speed reducer through the shaft.
Claims (8)
1. A device for heating by utilizing high-temperature flue gas or hot air to assist in conveying solid waste is characterized by comprising a shell (1), a conveying screw (5), a speed reducer (9) and a variable frequency motor (10);
a material inlet (2) and a heat source interface (3) are arranged on one side of the shell (1), a product outlet (4) is arranged on the other side of the shell (1), an output shaft of the variable frequency motor (10) is connected with one end of the conveying screw (5) through a speed reducer (9), and the other end of the conveying screw (5) penetrates through the shell (1) along the axial direction.
2. The device for assisting in conveying solid waste by utilizing high-temperature flue gas or hot air for heating according to claim 1, wherein an output shaft of the variable frequency motor (10) is connected with the conveying screw (5) through a speed reducer (9) and a heat insulation connecting piece (7).
3. The device for assisting in conveying solid waste by utilizing high-temperature flue gas or hot air for heating as claimed in claim 2, wherein the heat insulation connecting piece (7) is connected with the speed reducer (9) through a connecting shaft.
4. The device for assisting in conveying solid waste by heating with high-temperature flue gas or hot air according to claim 3, wherein a water cooling device (8) is arranged on the connecting shaft.
5. The device for assisting in conveying solid waste by utilizing high-temperature flue gas or hot air for heating according to claim 1, characterized in that a high-temperature bearing (6) is arranged between the shell (1) and the conveying screw (5).
6. The device for assisting in conveying solid waste by utilizing high-temperature flue gas or hot air heating as claimed in claim 1, wherein the number of the conveying screws (5) is determined according to physicochemical characteristics of multi-source solid waste.
7. The device for assisting in conveying solid wastes through heating by using high-temperature flue gas or hot air as claimed in claim 1, wherein the working medium input into the heat source interface (3) is the high-temperature flue gas or the hot air.
8. The method for heating by using high-temperature flue gas or hot air to assist in conveying solid waste is characterized by comprising the following steps of based on a device for heating by using high-temperature flue gas or hot air to assist in conveying solid waste:
multisource is useless admittedly in material entry (2) gets into casing (1), and high temperature flue gas or hot-blast get into casing (1) through heat source interface (3), and multisource that gets into in casing (1) is useless admittedly through carrying screw (5) rotatory transport to product export (4), and multisource is useless admittedly at rotatory transportation in-process, heats and carbomorphism to multisource discarded object through high temperature flue gas or hot-blast for contain moisture and volatile material in the multisource discarded object and turn into gaseous material, tar evaporation or turn into gas, and other materials exist with solid state form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111212123.8A CN113816081A (en) | 2021-10-18 | 2021-10-18 | Device and method for heating by using high-temperature flue gas or hot air to assist in conveying solid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111212123.8A CN113816081A (en) | 2021-10-18 | 2021-10-18 | Device and method for heating by using high-temperature flue gas or hot air to assist in conveying solid waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113816081A true CN113816081A (en) | 2021-12-21 |
Family
ID=78920662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111212123.8A Pending CN113816081A (en) | 2021-10-18 | 2021-10-18 | Device and method for heating by using high-temperature flue gas or hot air to assist in conveying solid waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113816081A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1711337A (en) * | 2002-10-04 | 2005-12-21 | 丹尼利克里斯技术服务有限公司 | Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof |
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| CN101972773A (en) * | 2010-11-23 | 2011-02-16 | 南京农业大学 | System for restoring organic contaminated soil by forced ventilation and spiral stirring thermal desorption |
| CN102010730A (en) * | 2010-12-19 | 2011-04-13 | 昆明理工大学 | Biomass spiral pyrolytic process and antipyretic device |
| CN102154019A (en) * | 2011-03-22 | 2011-08-17 | 苏州辰昌新能源技术有限公司 | Spiral push type low temperature pyrolysis carbonation furnace |
| CN102168853A (en) * | 2011-04-22 | 2011-08-31 | 哈尔滨工业大学 | Three-dimensional hierarchical air supply combined waste incinerator |
| CN102556608A (en) * | 2012-01-12 | 2012-07-11 | 冀州中科能源有限公司 | High-temperature-resistant screw conveyor |
| CN104531227A (en) * | 2014-12-23 | 2015-04-22 | 华中科技大学 | Biomass double-shaft screw pyrolysis device |
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| CN109135831A (en) * | 2018-10-31 | 2019-01-04 | 上海电气集团股份有限公司 | A kind of pyrolysis cylinder conveying device of internal heating type biomass gasifying furnace |
| CN210463016U (en) * | 2019-08-30 | 2020-05-05 | 西安西热锅炉环保工程有限公司 | A waste pyrolysis and incineration harmless disposal system based on pulverized coal boiler |
| CN212894593U (en) * | 2020-08-27 | 2021-04-06 | 杨丽娟 | Multistage pyrolysis device for organic wastes |
| CN214244314U (en) * | 2020-12-09 | 2021-09-21 | 浙江大学 | Waste rubber and plastic high-efficiency pyrolysis device with heat transfer enhanced coupling grinding function |
-
2021
- 2021-10-18 CN CN202111212123.8A patent/CN113816081A/en active Pending
Patent Citations (13)
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|---|---|---|---|---|
| CN1711337A (en) * | 2002-10-04 | 2005-12-21 | 丹尼利克里斯技术服务有限公司 | Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof |
| CN201277557Y (en) * | 2008-09-28 | 2009-07-22 | 浙江汉洁能源环保工程有限公司 | Thermal decomposition apparatus for organic waste |
| CN101972773A (en) * | 2010-11-23 | 2011-02-16 | 南京农业大学 | System for restoring organic contaminated soil by forced ventilation and spiral stirring thermal desorption |
| CN102010730A (en) * | 2010-12-19 | 2011-04-13 | 昆明理工大学 | Biomass spiral pyrolytic process and antipyretic device |
| CN102154019A (en) * | 2011-03-22 | 2011-08-17 | 苏州辰昌新能源技术有限公司 | Spiral push type low temperature pyrolysis carbonation furnace |
| CN102168853A (en) * | 2011-04-22 | 2011-08-31 | 哈尔滨工业大学 | Three-dimensional hierarchical air supply combined waste incinerator |
| CN102556608A (en) * | 2012-01-12 | 2012-07-11 | 冀州中科能源有限公司 | High-temperature-resistant screw conveyor |
| CN104531227A (en) * | 2014-12-23 | 2015-04-22 | 华中科技大学 | Biomass double-shaft screw pyrolysis device |
| CN108485690A (en) * | 2018-05-29 | 2018-09-04 | 西北大学 | A kind of device and method of fine coal low temperature static pyrolysis extraction oil gas |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20211221 |