CN102191069A - Monitoring system for fluidized bed type biomass quick pyrolysis equipment - Google Patents
Monitoring system for fluidized bed type biomass quick pyrolysis equipment Download PDFInfo
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- CN102191069A CN102191069A CN201010127850XA CN201010127850A CN102191069A CN 102191069 A CN102191069 A CN 102191069A CN 201010127850X A CN201010127850X A CN 201010127850XA CN 201010127850 A CN201010127850 A CN 201010127850A CN 102191069 A CN102191069 A CN 102191069A
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The invention discloses a monitoring system for fluidized bed type biomass quick pyrolysis equipment, which mainly performs monitoring and control of temperature, pressure and flow. The technical scheme for implementing the system mainly comprise segmental control over a reactor, monitoring and regulation of pressure different of the inlet and outlet of the reactor and the pressure in the meddle section of the reactor, distribution control and self-recycling of uncondensed gases, and the like. The monitoring system for the fluidized bed type biomass quick pyrolysis equipment concretely consists of a data acquisition device, a data transmission device, a computer monitoring device and an execution mechanism. When the system is used, the precision of control over parameters such as temperature, pressure and flow in a reaction process can be improved effectively, the self-recycling of byproducts can be realized, energy consumption in a pyrolysis process can be lowered to a certain degree, the production operation of the fluidized bed type pyrolysis equipment is continuous and stable, and the operation of the fluidized bed type pyrolysis equipment is convenient and the fluidized bed type pyrolysis equipment is humanized.
Description
Technical field
The present invention relates to a kind of supervisory system that is used for fluidized bed type biomass fast pyrogenation equipment, belong to the derived energy chemical technical field.
Background technology
Along with the deficient day by day and excessive problem of environmental pollution that is caused that utilizes of fossil energy is serious day by day, development and use green energy resource, green chemical industry raw material, ecological environment material nd, green processing technology realize that the Sustainable development of human society has become the important development strategy of countries in the world.China's forest biomass resource is abundant, and reserves are big, and the energy density height is a desirable biomass resource of realizing extensive industrialization.Fast pyrolysis technology can be converted to the Wooden Biomass of low energy densities high-grade bio oil and other energy product, to produce fuel or Chemicals, is considered to one of the most potential biomass energy utilization technologies.
Rapidly pyrolysing and liquefying is meant that biomass are in the environment of anaerobic or a small amount of limited oxygen supply, at medium temperature of reaction (475-625 ℃), high temperature rise rate (10
3-10
5℃/s) lose heart under the condition of residence time (less than 2s) mutually with the utmost point, its direct heating is decomposed, in the middle of making then the liquid product molecule before further fracture generates micro-molecular gas by rapid condensation, thereby obtain the process of high yield bio oil, charcoal and clean gas (not condensable gases).The product of biomass fast pyrogenation gained has purposes widely, bio oil is a kind of mixture that mainly contains moisture and complicated oxygen-bearing organic matter, not only can be used as fuel and use, but also can directly or refine and be refined into the surrogate of industrial chemicals as fossil energy; Pyrolytic carbon can be used as the good raw material of surface fluxing agent, carburizing agent and the gac of metallurgical industry; Incondensable gas can be used as clean gas, as civilian or industrial fuel gas.
At present, the type of fast pyrogenation equipment is more, can be divided into spouted bed, fluidized-bed, rotation awl, circulating fluidized bed, drainage bed, ablation reactor, vacuum moving-bed etc. according to the heat and mass principle in the main reactor.In these device types, the fluidized bed type rapid pyrolysis apparatus be at home and abroad study early, more type of reactor, have simple in structure, advantages such as treatment capacity big, wide application range of material, be considered to have the favorable industrial application prospect.
Yet up to this point, the fluidized bed type fast pyrolysis technology does not still obtain large-scale commercial applications, and one of them major reason is exactly design and running problem, the especially supervisory system of equipment.The quality of monitor system performance affects the energy consumption of rapidly pyrolysing and liquefying biomass reaction process to a great extent, is determining the distribution and the performance of product, is the basis of rapidly pyrolysing and liquefying biomass technology and crucial.At present, for fluidized bed type fast pyrogenation equipment, the subject matter that exists aspect control is: the isoparametric control of temperature, pressure and flow is accurate inadequately, the not enough hommization of the operation interface of Controlling System, the self-circulation recycling of the by product of being unrealized etc.These problems have hindered the commercial application of fluidized bed type fast pyrolysis technology, have become the difficult scientific problems of a pendulum in face of the biomass energy worker.And, for the solution of these problems, rarely seen at home and abroad relevant report.
Summary of the invention
The present invention is directed to the monitoring aspect problem that exists in the present fluidized bed type fast pyrogenation equipment running process, propose a kind of supervisory system that is used for fluidized bed type fast pyrogenation equipment, to solve the problem that exists at present.
Technical scheme of the present invention mainly comprises the monitoring and the control of temperature, pressure and flow three aspects.Aspect monitoring temperature,, realize moderate temperature control (being about 475-625 ℃) accurately in the fast pyrogenation process by segmentation control to reactor; Aspect pressure monitor,, guarantee to have rational fluidized state in its reactor by monitoring and adjusting to reactor inlet outlet pressure differential and reactor stage casing pressure size; In traffic monitoring,, realize the beneficial effect of energy-saving and emission-reduction by flow-dividing control and self-circulation utilization to incondensable gas.
The supervisory system that is used for fluidized bed type fast pyrogenation equipment that the present invention proposes specifically is made of four parts such as data collector, data conduction device, computer monitoring device, topworkies.
1. data collector is to the measurement of flow, pressure, temperature parameter and collection everywhere in the equipment, mainly comprises under meter, thermopair, wet bulb thermometer, pressure warning unit etc.
2. the data conduction device is but that the information translation that data collecting system collects is passed to data collecting system for behind the conducted signal, comprises resistance temperature detector, resistance-type flow (speed) transmitter, digital pressure transmitter etc.
3. the computer monitoring device mainly is shown on the computer the signal that will receive, and has the function of data presentation, record and storage, has certain parameter control and regulating effect simultaneously, and monitoring software adopts Visual Basic (VB) language development.
4. topworks is the mechanism that the feedback signal that computer system software shows is carried out, and comprises automatic executing agency and manual topworks, and the former is as flow valve, contact voltage regulator etc., the latter such as silicon-controlled rectifier, electromagnetic flow valve etc.
The present invention compared with prior art, advantage that has and high-lighting progress are: improved the isoparametric control accuracy of temperature in the reaction process, pressure and flow effectively, realized the self-circulation recycling of by product, reduced energy consumption in the pyrolytic process to a certain extent, make the production run continous-stable of fluidized bed type fast pyrogenation equipment, easy to operate, hommization, improved principal product---the productive rate of bio oil has the beneficial effect of energy-saving and emission-reduction.
Description of drawings
Accompanying drawing is the Controlling System schema that is used for fluidized bed type biomass rapidly pyrolysing and liquefying equipment of the present invention.
Embodiment
Below in conjunction with accompanying drawing concrete structure of the present invention and embodiment are further described.
Embodiment 1: fast pyrolysis processes cotton wood on the fluidized bed type fast pyrogenation equipment of 5kg/h (water ratio is 10%, and particle diameter is 0.45-0.9mm) is to produce bio oil.Turn-on data gathering device, data conduction device, computer monitoring device (monitoring software), topworks successively, it is 565 ℃ that the target control temperature is set, the object gas flow is 6m
3/ h, goal pressure 1.0 * 10
5Handkerchief.By feeder the poplar wood powder is joined inside reactor, supervisory system automatically reaches part semiautomatic controls action by data gathering, conduction, feedback, execution etc. afterwards, in being controlled at the fluctuation range of above-mentioned condition to a certain degree, be that temperature is 565 ± 10 ℃, gas flow is 6 ± 0.4m
3/ h, pressure (1.0 ± 0.1) * 10
5Handkerchief.Treat that material disposes, during end of run, can get poplar bio oil productive rate and be 65%, the pyrolytic carbon productive rate is 20%, incondensable gas is 15%.
Embodiment 2: fast pyrolysis processes cotton stalk on the fluidized bed type fast pyrogenation equipment of 10kg/h (water ratio is 7%, and particle diameter is 0.2-0.45mm) is to produce bio oil.Turn-on data gathering device, data conduction device, computer monitoring device (monitoring software), topworks successively, it is 535 ℃ that the target control temperature is set, the object gas flow is 9m
3/ h, goal pressure 0.9 * 10
5Handkerchief.By feeder the cotton stalk powder is joined inside reactor, supervisory system automatically reaches part semiautomatic controls action by data gathering, conduction, feedback, execution etc. afterwards, in being controlled at the fluctuation range of above-mentioned condition to a certain degree, be that temperature is 535 ± 15 ℃, gas flow is 9 ± 0.6m
3/ h, pressure are (0.9 ± 0.08) * 10
5Handkerchief.Treat that material disposes, during end of run, can get cotton stalk bio oil productive rate and be 58%, the pyrolytic carbon productive rate is 22%, incondensable gas is 20%.
Claims (6)
1. Controlling System that is used for fluidized bed type biomass fast pyrogenation equipment, its technical scheme mainly comprises the monitoring and the control of temperature, pressure and flow three aspects.Aspect monitoring temperature,, realize moderate temperature control (being about 475-625 ℃) accurately in the fast pyrogenation process by segmentation control to reactor; Aspect pressure monitor,, guarantee to have rational fluidized state in its reactor by reactor inlet outlet pressure differential and reactor are interrupted the monitoring and the adjusting of pressure size; Aspect traffic monitoring,, realize the beneficial effect of energy-saving and emission-reduction by flow-dividing control and self-circulation utilization to incondensable gas.
2. the supervisory system that is used for fluidized bed type fast pyrogenation equipment as claimed in claim 1 specifically is made of data collector, data conduction device, computer monitoring device, topworks's four parts.
3. the supervisory system that is used for fluidized bed type fast pyrogenation equipment as claimed in claim 1, wherein data collector comprises under meter, thermopair, wet bulb thermometer, pressure warning unit.
4. the supervisory system that is used for fluidized bed type fast pyrogenation equipment as claimed in claim 1, wherein the data conduction device comprises resistance temperature detector, resistance-type flow (speed) transmitter, digital pressure transmitter.
5. the supervisory system that is used for fluidized bed type fast pyrogenation equipment as claimed in claim 1, wherein the control software of computer monitoring device adopts Visual Basic (VB) language compilation, has data presentation, record, storage, parameter control and regulating effect.
6. the supervisory system that is used for fluidized bed type fast pyrogenation equipment as claimed in claim 1, wherein topworks comprises automatic executing agency and manual topworks, automatic executing agency comprises flow valve, contact voltage regulator, and manually topworks comprises silicon-controlled rectifier, electromagnetic flow valve.
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| CN201010127850XA CN102191069A (en) | 2010-03-19 | 2010-03-19 | Monitoring system for fluidized bed type biomass quick pyrolysis equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647657A (en) * | 2016-11-29 | 2017-05-10 | 嘉成林业控股有限公司 | Control system of distributive agriculture and forestry biomass fermentation-thermal decoupling treatment device |
| CN106675593A (en) * | 2017-03-17 | 2017-05-17 | 上海亚泰仪表有限公司 | Self-balanced non-quantification biomass treatment system and control method |
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| WO2009014682A2 (en) * | 2007-07-24 | 2009-01-29 | Univation Technologies, Llc | Method for monitoring a polymerization reaction |
| US20090092522A1 (en) * | 2007-10-09 | 2009-04-09 | Honeywell International Inc. | Wireless temperature sensor for obtaining temperature profiles in a mixing vessel |
| CN101486919A (en) * | 2009-02-17 | 2009-07-22 | 北京海润川投资咨询有限公司 | Sectional temperature-controlled fluidized bed type biomass rapid pyrolysis reactor |
| CN101486918A (en) * | 2009-02-17 | 2009-07-22 | 北京海润川投资咨询有限公司 | Novel spouted circulating fluid bed timber rapid pyrolysis apparatus and technological process |
| CN101595439A (en) * | 2006-05-05 | 2009-12-02 | 普拉斯科能源Ip控股集团毕尔巴鄂沙夫豪森分公司 | Be used for carbon raw material is changed into the control system of gas |
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2010
- 2010-03-19 CN CN201010127850XA patent/CN102191069A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101595439A (en) * | 2006-05-05 | 2009-12-02 | 普拉斯科能源Ip控股集团毕尔巴鄂沙夫豪森分公司 | Be used for carbon raw material is changed into the control system of gas |
| WO2009014682A2 (en) * | 2007-07-24 | 2009-01-29 | Univation Technologies, Llc | Method for monitoring a polymerization reaction |
| US20090092522A1 (en) * | 2007-10-09 | 2009-04-09 | Honeywell International Inc. | Wireless temperature sensor for obtaining temperature profiles in a mixing vessel |
| CN101486919A (en) * | 2009-02-17 | 2009-07-22 | 北京海润川投资咨询有限公司 | Sectional temperature-controlled fluidized bed type biomass rapid pyrolysis reactor |
| CN101486918A (en) * | 2009-02-17 | 2009-07-22 | 北京海润川投资咨询有限公司 | Novel spouted circulating fluid bed timber rapid pyrolysis apparatus and technological process |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647657A (en) * | 2016-11-29 | 2017-05-10 | 嘉成林业控股有限公司 | Control system of distributive agriculture and forestry biomass fermentation-thermal decoupling treatment device |
| CN106647657B (en) * | 2016-11-29 | 2019-02-19 | 嘉成林业控股有限公司 | Distributed agricultural-forestry biomass fermentation-pyrolysis coupling processing equipment control system |
| CN106675593A (en) * | 2017-03-17 | 2017-05-17 | 上海亚泰仪表有限公司 | Self-balanced non-quantification biomass treatment system and control method |
| CN106675593B (en) * | 2017-03-17 | 2020-07-03 | 上海亚泰仪表有限公司 | Self-balancing non-quantitative biomass processing system and control method |
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Application publication date: 20110921 |