CN108947172B - Environment-friendly sludge treatment equipment - Google Patents

Environment-friendly sludge treatment equipment Download PDF

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Publication number
CN108947172B
CN108947172B CN201811151338.1A CN201811151338A CN108947172B CN 108947172 B CN108947172 B CN 108947172B CN 201811151338 A CN201811151338 A CN 201811151338A CN 108947172 B CN108947172 B CN 108947172B
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Prior art keywords
pyrolysis
reaction furnace
temperature
sludge
pyrolysis gas
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CN108947172A (en
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马琦
许建全
罗雪雪
姜伟
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KARAMAY BODA ECOLOGICAL ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd.
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Karamay Boda Ecological Environmental Protection Science & Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/10Treatment of sludge; Devices therefor by pyrolysis
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/40Valorisation of by-products of wastewater, sewage or sludge processing

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention belongs to the field of environmental protection and sludge treatment, and particularly relates to an environment-friendly sludge treatment device which comprises a pyrolysis part, a data acquisition part and a control part, wherein when the temperature of pyrolysis gas is smaller than a standard temperature value, further judgment is carried out according to the size relation between a first weight value and a second weight value, when the first weight value is larger than the second weight value, the number of blades on the left side of a helical blade is controlled to be less than that on the right side, when the first weight value is smaller than the second weight value, the number of blades on the left side of the helical blade is controlled to be more than that on the right side, when the temperature of the pyrolysis gas is larger than the standard temperature value, a motor is controlled not to rotate, and the helical blade is uniformly wound on the outer wall. The sludge treatment equipment of environmental protection controls the distribution of helical blade on the outer wall according to the temperature of pyrolysis gas and the distribution of mud, makes different positions of pyrolysis reaction stove have different intensification effects to make the treatment effect good, energy-concerving and environment-protective.

Description

Environment-friendly sludge treatment equipment
Technical Field
The invention belongs to the fields of environmental protection and sludge treatment, and particularly relates to an environment-friendly sludge treatment device.
Background
Low temperature pyrolysis of sludge is a developing energy recovery type sludge thermochemical treatment technology. For example, patent products of li academic literature, a continuous sludge thermal decomposition method and device (refer to patent document CN104986934B), patent products of shenzhen university, a technical method for treating municipal sludge by microwave pyrolysis (refer to patent document CN105417918B), patent products of guhekken university, a treatment method, a treatment device and a heat energy utilization method (refer to patent document CN101998941B), patent products of hangpeng zhi, sludge or organic garbage high and low temperature coupled pyrolysis method (refer to patent document CN101708938B), patent products of beijing jielan environmental science and technology limited company, a modular sludge thermal hydrolysis treatment device and method (refer to patent document CN105016595B), and patent products of ataxia university, a system and method for oil, gas and carbon adjustable waste pyrolysis (refer to patent document CN 104087340B).
Disclosure of Invention
The invention provides environment-friendly sludge treatment equipment which can dynamically adjust the process parameters of pyrolysis treatment or the structural form of a pyrolysis device according to the property and the treatment process of sludge to be treated, so that the treatment effect is good, and the equipment is energy-saving and environment-friendly.
The device comprises a pyrolysis part, a data acquisition part and a control part, wherein the control part controls the pyrolysis part to perform corresponding structure adjustment according to information acquired by the data acquisition part; the pyrolysis section includes:
the pyrolysis reaction furnace is used for placing and containing sludge to be treated;
the pyrolysis gas chamber is wrapped at the periphery of the pyrolysis reaction furnace, and high-temperature pyrolysis gas serving as a heat source for sludge pyrolysis is introduced into the pyrolysis gas chamber;
the spiral blade is arranged in the pyrolysis air cavity and uniformly wound on the outer wall of the pyrolysis reaction furnace, one end of the spiral blade is fixed at the air inlet, the other end of the spiral blade is fixed at the air outlet, the middle part of the spiral blade can move along the outer wall of the pyrolysis reaction furnace, and the spiral blade is used for guiding pyrolysis gas to flow along the winding direction of the spiral blade;
one end of the telescopic rod is fixed in the middle of the helical blade;
the motor is arranged outside the pyrolysis air cavity, is connected with the other end of the telescopic rod and is used for driving the telescopic rod to stretch;
the motor drives the telescopic rod to stretch and retract, so that the spiral blades move along the outer wall of the pyrolysis reaction furnace, the distribution of the number of the spiral blades on the outer wall is changed, the flow of pyrolysis gas in the pyrolysis gas cavity chamber becomes uneven, and different heating effects are generated at different positions of the pyrolysis reaction furnace;
the data acquisition part includes:
the first weight sensor is arranged on the left side of the pyrolysis reaction furnace and used for detecting the first weight of sludge on the left side of the pyrolysis reaction furnace;
the second weight sensor is arranged on the right side of the pyrolysis reaction furnace and used for detecting the second weight of the sludge on the right side of the pyrolysis reaction furnace;
the temperature sensor is arranged at the air inlet and used for detecting the temperature of the pyrolysis gas;
the control section is configured to:
when the temperature of the pyrolysis gas is smaller than a standard value, the pyrolysis gas at the temperature is not enough to completely pyrolyze the sludge, at the moment, further judgment is carried out according to the size relation between the first weight value and the second weight value, when the first weight value is larger than the second weight value, the sludge on the right side of the pyrolysis reaction furnace is less, the motor is controlled to drive the telescopic rod to be shortened, the middle part of the spiral blade is enabled to move rightwards along the outer wall of the pyrolysis reaction furnace, at the moment, the number of blades on the left side of the spiral blade is smaller than that of blades on the right side, the backflow frequency of the pyrolysis gas on the right side is increased, the heating time of the furnace wall on the right side is prolonged, the temperature rising speed is accelerated, the sludge on the right side is completely pyrolyzed, and similarly, when the first weight value is smaller than the second weight value;
when the temperature of pyrolysis gas is greater than the standard value, show that pyrolysis gas under this temperature can make the mud pyrolysis complete, and at this moment, the control motor does not rotate, and helical blade evenly twines on the outer wall of pyrolysis reacting furnace, and pyrolysis gas flows evenly, and whole pyrolysis reacting furnace evenly heaies up, and the mud pyrolysis is complete.
Preferably, the moving distance of the spiral blade is one third to one fourth of the length of the pyrolysis reaction furnace.
The invention has the beneficial effects that: according to the invention, the distribution of the helical blades on the outer wall is controlled according to the distribution of the sludge, and different positions of the pyrolysis reaction furnace have different heating effects, so that the pyrolysis treatment effect is good, and the pyrolysis reaction furnace is energy-saving and environment-friendly.
Drawings
FIG. 1 shows a schematic view of a helical blade profile;
FIG. 2 shows a block diagram of the composition of an environmentally friendly sludge treatment facility.
Detailed Description
The structure of the present system and the functions performed are described in detail below with reference to the accompanying drawings.
An environment-friendly sludge treatment device comprises a pyrolysis part 1, a data acquisition part 2 and a control part 3;
wherein the content of the first and second substances,
the pyrolysis section 1 includes:
the pyrolysis reaction furnace 11 is a hollow cylinder and is used for placing sludge to be pyrolyzed and residual solid residues after pyrolysis reaction;
a pyrolysis gas chamber 12, which is wrapped on the periphery of the pyrolysis reaction furnace 11 and is internally provided with pyrolysis gas;
the spiral blades 13 are arranged in the pyrolysis air cavity 12 and are uniformly wound on the outer wall of the pyrolysis reaction furnace 11, one end of each spiral blade is fixed at the air inlet, the other end of each spiral blade is fixed at the air outlet, and the middle part of each spiral blade can move along the outer wall of the pyrolysis reaction furnace 11 and is used for guiding pyrolysis gas to flow along the winding direction of the pyrolysis gas so that the pyrolysis gas forms a backflow channel in the pyrolysis chamber 12;
a telescopic rod 14, one end of which is fixed at the middle position of the helical blade 13;
the motor 15 is arranged outside the pyrolysis gas chamber 12, is connected with the other end of the telescopic rod 14, and is used for driving the telescopic rod 14 to stretch;
the motor 15 rotates to drive the telescopic rod 14 to stretch and retract, so that the spiral blades 13 move along the outer wall of the pyrolysis reaction furnace 11, the distribution of the number of the spiral blades 13 on the outer wall is changed, and different heating effects are generated at different positions of the pyrolysis reaction furnace 11;
the data acquisition unit 2 includes:
a first weight sensor 21 disposed at a left side of the pyrolysis reactor 11, for detecting a first weight of sludge at the left side of the pyrolysis reactor 11;
a second weight sensor 22 disposed at the right side of the pyrolysis reactor 11 for detecting a second weight of the sludge at the right side of the pyrolysis reactor 11;
a temperature sensor 23, which is arranged at the air inlet and is used for detecting the temperature of the pyrolysis gas;
a control section 3 configured to:
when the temperature of the pyrolysis gas is lower than the standard temperature value, the pyrolysis gas at the temperature is not enough to completely pyrolyze the sludge, at the moment, further judgment is carried out according to the size relationship between the first weight value and the second weight value, when the first weight value is larger than the second weight value, the sludge on the right side of the pyrolysis reaction furnace is less, the motor is controlled to rotate to drive the telescopic rod to shorten, the middle part of the spiral blade moves rightwards along the outer wall of the pyrolysis reaction furnace, at the moment, the number of blades on the left side of the spiral blade is less than that of blades on the right side, the backflow frequency of pyrolysis gas on the right side is increased, the heating time of the furnace wall on the right side is prolonged, the temperature rising speed is accelerated, and the sludge on the right side is pyrolyzed completely, when the first weight value is smaller than the second weight value, the sludge on the left side of the pyrolysis reaction furnace is less, and the motor is controlled to rotate reversely, so that the number of blades on the left side of the spiral blades is more than that of blades on the right side;
when the temperature of pyrolysis gas is greater than the standard temperature value, show that pyrolysis gas under this temperature can make the mud pyrolysis complete, and at this moment, the control motor does not rotate, and helical blade evenly twines on the outer wall of pyrolysis reacting furnace, and pyrolysis gas flows evenly, and whole pyrolysis reacting furnace evenly heaies up, and the mud pyrolysis is complete.
It will be appreciated by persons skilled in the art that numerous variations and/or modifications may be made to the invention as shown in the specific embodiments without departing from the spirit or scope of the invention as broadly described. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. Likewise, the invention encompasses any combination of features, in particular of features in the patent claims, even if this feature or this combination of features is not explicitly specified in the patent claims or in the individual embodiments herein.

Claims (2)

1. An environment-friendly sludge treatment device, which comprises a pyrolysis part, a data acquisition part and a control part and is characterized in that,
the pyrolysis section includes:
the pyrolysis reaction furnace is used for placing and containing sludge to be treated;
the pyrolysis gas chamber is wrapped at the periphery of the pyrolysis reaction furnace, and high-temperature pyrolysis gas serving as a heat source for sludge pyrolysis is introduced into the pyrolysis gas chamber;
the spiral blade is arranged in the pyrolysis air cavity and uniformly wound on the outer wall of the pyrolysis reaction furnace, one end of the spiral blade is fixed at the air inlet, the other end of the spiral blade is fixed at the air outlet, the middle part of the spiral blade can move along the outer wall of the pyrolysis reaction furnace, and the spiral blade is used for guiding pyrolysis gas to flow along the winding direction of the spiral blade;
one end of the telescopic rod is fixed in the middle of the helical blade;
the motor is arranged outside the pyrolysis air cavity, is connected with the other end of the telescopic rod and is used for driving the telescopic rod to stretch;
the motor drives the telescopic rod to stretch and retract, so that the spiral blades move along the outer wall of the pyrolysis reaction furnace, the distribution of the number of the spiral blades on the outer wall is changed, the flow of pyrolysis gas in the pyrolysis gas cavity chamber becomes uneven, and different heating effects are generated at different positions of the pyrolysis reaction furnace;
the data acquisition unit includes:
the first weight sensor is arranged on the left side of the pyrolysis reaction furnace and used for detecting the first weight of sludge on the left side of the pyrolysis reaction furnace;
the second weight sensor is arranged on the right side of the pyrolysis reaction furnace and used for detecting the second weight of the sludge on the right side of the pyrolysis reaction furnace;
the temperature sensor is arranged at the air inlet and used for detecting the temperature of the pyrolysis gas;
the control section is configured to:
when the temperature of the pyrolysis gas is smaller than a standard value, the pyrolysis gas at the temperature is not enough to completely pyrolyze the sludge, at the moment, further judgment is carried out according to the size relation between the first weight value and the second weight value, when the first weight value is larger than the second weight value, the sludge on the right side of the pyrolysis reaction furnace is less, the motor is controlled to drive the telescopic rod to be shortened, the middle part of the spiral blade is enabled to move rightwards along the outer wall of the pyrolysis reaction furnace, at the moment, the number of blades on the left side of the spiral blade is smaller than that of blades on the right side, the backflow frequency of the pyrolysis gas on the right side is increased, the heating time of the furnace wall on the right side is prolonged, the temperature rising speed is accelerated, the sludge on the right side is completely pyrolyzed, and similarly, when the first weight value is smaller than the second weight value;
when the temperature of pyrolysis gas is greater than the standard value, show that pyrolysis gas under this temperature can make the mud pyrolysis complete, and at this moment, the control motor does not rotate, and helical blade evenly twines on the outer wall of pyrolysis reacting furnace, and pyrolysis gas flows evenly, and whole pyrolysis reacting furnace evenly heaies up, and the mud pyrolysis is complete.
2. The apparatus of claim 1, wherein the helical blade is moved by a distance of one third to one fourth of a length of the pyrolysis reactor.
CN201811151338.1A 2018-09-29 2018-09-29 Environment-friendly sludge treatment equipment Active CN108947172B (en)

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Publication number Priority date Publication date Assignee Title
CN108929013B (en) * 2018-09-29 2021-04-13 南京华昭环保设备有限公司 Device for pyrolysis treatment of sludge
CN108947173B (en) * 2018-09-29 2021-03-16 克拉玛依博达生态环保科技有限责任公司 Sludge pyrolysis device

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CN103979491A (en) * 2014-05-20 2014-08-13 青岛理工大学 Method and device for producing hydrogen through blending and gasifying of sludge and biomass
CN104140827A (en) * 2013-05-06 2014-11-12 周鼎力 A rotary reactor for pyrolysis of coal or garbage organic waste
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CN105330117A (en) * 2015-11-30 2016-02-17 李波 Horizontal type town sludge spiral type propelling pyrolysis treatment disposal equipment
CN205933580U (en) * 2016-07-12 2017-02-08 佛山市联智新创科技有限公司 Schizolysis system that contains oil sludge
CN206244626U (en) * 2016-12-05 2017-06-13 北京中源环保工程有限公司 Pyrolyzing sludge device
CN107013928A (en) * 2017-05-19 2017-08-04 重庆三峰卡万塔环境产业有限公司 A kind of method and system of grate furnace waste incineration cooperatively processing sludge
CN108147639A (en) * 2018-02-24 2018-06-12 航天慧能(江苏)环境工程有限公司 A kind of sludge of sewage treatment plant plasma handling system
CN207811529U (en) * 2017-12-13 2018-09-04 湖南海鑫环保科技有限公司 Arch vertical multi-stage multitube pyrolyzing sludge advanced treatment apparatus
CN108929013A (en) * 2018-09-29 2018-12-04 姜伟 Device for pyrolysis processing sludge
CN108947173A (en) * 2018-09-29 2018-12-07 姜伟 Pyrolyzing sludge device

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Publication number Priority date Publication date Assignee Title
CN102322642A (en) * 2011-06-07 2012-01-18 创冠环保(中国)有限公司 Sludge drying and incinerating system on basis of incineration of waste grate furnace and treatment method thereof
CN104140827A (en) * 2013-05-06 2014-11-12 周鼎力 A rotary reactor for pyrolysis of coal or garbage organic waste
CN103979491A (en) * 2014-05-20 2014-08-13 青岛理工大学 Method and device for producing hydrogen through blending and gasifying of sludge and biomass
CN204529623U (en) * 2015-04-03 2015-08-05 天津城建大学 Pyrolyzing sludge gasification installation
CN105330117A (en) * 2015-11-30 2016-02-17 李波 Horizontal type town sludge spiral type propelling pyrolysis treatment disposal equipment
CN205933580U (en) * 2016-07-12 2017-02-08 佛山市联智新创科技有限公司 Schizolysis system that contains oil sludge
CN206244626U (en) * 2016-12-05 2017-06-13 北京中源环保工程有限公司 Pyrolyzing sludge device
CN107013928A (en) * 2017-05-19 2017-08-04 重庆三峰卡万塔环境产业有限公司 A kind of method and system of grate furnace waste incineration cooperatively processing sludge
CN207811529U (en) * 2017-12-13 2018-09-04 湖南海鑫环保科技有限公司 Arch vertical multi-stage multitube pyrolyzing sludge advanced treatment apparatus
CN108147639A (en) * 2018-02-24 2018-06-12 航天慧能(江苏)环境工程有限公司 A kind of sludge of sewage treatment plant plasma handling system
CN108929013A (en) * 2018-09-29 2018-12-04 姜伟 Device for pyrolysis processing sludge
CN108947173A (en) * 2018-09-29 2018-12-07 姜伟 Pyrolyzing sludge device

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Inventor after: Ma Qi

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Denomination of invention: Environmentally friendly sludge treatment equipment

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