CN104877690B - A kind of organic waste matter pyrolysis charring processing method and processing device - Google Patents

A kind of organic waste matter pyrolysis charring processing method and processing device Download PDF

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CN104877690B
CN104877690B CN201510314112.9A CN201510314112A CN104877690B CN 104877690 B CN104877690 B CN 104877690B CN 201510314112 A CN201510314112 A CN 201510314112A CN 104877690 B CN104877690 B CN 104877690B
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gas
combustion chamber
charing
preposition
flue gas
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CN201510314112.9A
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CN104877690A (en
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车磊
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浙江宜可欧环保科技有限公司
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Abstract

The present invention relates to a kind of organic waste matter pyrolysis charring processing method, including heat supply part:One burner is set, the bocca of burner is passed through in a combustion chamber and obtains high-temperature flue gas;Preposition process part:Sludge is inserted in preposition process chamber, the high-temperature flue gas for introducing heat supply part is heated;Charing process part:Preposition treated sludge is sent into charing process room, the high-temperature flue gas for introducing heat supply part is heated;Air treatment section:The gas-phase product generated in preposition processing and charing process is collected respectively, it is corresponding to be condensed using water spray mode, respectively obtain the first oil and the first on-condensible gas, the second oil and the second on-condensible gas;Gas utilizes part:Second on-condensible gas is introduced in the combustion chamber of heat supply part and is burnt;The present invention also provides a kind of devices for realizing this method.The present invention has many advantages, such as simple technique simplification, equipment, stable and reliable operation, carbonization time is short, heat utilization rate is high, Oil recovery rate is high.

Description

A kind of organic waste matter pyrolysis charring processing method and processing device

Technical field:

The invention belongs to reclaiming organic wastes to utilize field, more particularly to a kind of organic waste matter pyrolysis Carbonizing treatment method and device.

Background technology:

The industrial waste of the discharges such as traditional agricultural, forestry, animal husbandry, aquatic products industry or food processing industry and various business The discarded object containing organic matter is contained in the substances such as the rubbish of the discharges such as shop, enterprise, average family, in these organic waste matters only 3% by compost or is used as animal feed, remaining is passed through landfill or incinerator is handled.In addition, oil is further included to open Adopt Biohazard Waste of the discarded object based on sewage and sludge generated in the process and hospital's discharge etc., burning disposal meeting It generates containing sour gas (such as HCL, SOX, HF), nitrogen oxides (Nox), bioxin (PCDDS/PCDFS) and heavy metal Toxic gases such as (Hg, Pb) and noxious material, seriously pollute environment.On the other hand, fermentation, the mode of resolution process are taken, though It can so be efficiently used by Composting, the fodder of debirs to realize, but debirs accumulation and complete fermentation needs It expends considerable time and effort.A few days ago, the resource treatment technique of debirs is used gradually by industry.

Chinese invention patent prospectus CN104031665A discloses a kind of combustible waste directional thermal decomposition method, root Enter different pyrolysis steps according to the pyrolysis demand different to combustible waste, including obtaining combustible waste pyrolytic carbon step, obtaining Combustible waste pyrolytic tar step, obtain combustible waste pyrolysis combustible gas step, different pyrolysis steps in pyrolysis oven into Row, the temperature for being adjusted merely by control pyrolysis oven reach corresponding pyrolysis step.

In the actual use process, reflect according to applicant, this method can preferably complete domestic waste, medical treatment Rubbish, aging rubbish, damaged tire, waste plastics, trade waste, sludge, kitchen garbage, gardens branch leaf discarded object, livestock and poultry A kind of pyrolysis in excrement, but its there are following a series of problems:Different pyrolysis steps carries out in pyrolysis oven, And in combustible waste pyrolytic carbon step can with other two pyrolysis step, but different pyrolysis steps its be pyrolyzed required temperature not Together, the reaction time in pyrolysis oven is also different, and the ingredient of the gaseous product that two steps generate also has a very big difference, such as The gas generated in the water evaporation process of early period is to there is the problem of water content is high, calorific capacity is low, therefore different pyrolysis steps Rapid institute calorific requirement cannot automatically adjust according to actual demand;In addition this method needs the moisture rate of raw material being reduced to early period Less than 30% preprocessing process;This kind of method is batch processing, it is impossible to realize continuous treatment;Integrated artistic and corresponding knot Structure is complicated, and heat utilization ratio is low, and production cost is high.

The content of the invention:

An object of the present invention is in view of the deficiencies of the prior art, to provide at a kind of organic waste matter pyrolysis charring Reason method, this method provides heat using a combustion chamber and mated burner for the drying and charing of organic waste matter, to heat Carbide and pyrolysis gas after solution charing are recycled respectively, and it is small that technique and counter structure are simplified, facility compact takes up an area face, To the moisture content of raw material without particular/special requirement, it can be achieved that continuous production, can pass through burning according to the actual needs of desiccation and charing Room carries out heat supply, and heat utilization ratio is high, and production cost is low.

The technology solution of the present invention is as follows:

A kind of organic waste matter pyrolysis charring processing method, including heat supply, preposition processing, charing process, gas treatment and Gas utilizes part, it is characterised in that:

(a) heat supply part:One burner is set, the bocca of burner is passed through in a combustion chamber and obtains high-temperature flue gas;

(b) preposition process part:Organic waste matter is inserted in preposition process chamber, the high-temperature flue gas for introducing heat supply part is adopted The indoor organic waste matter of preposition processing is heated with the mode that outer thermal jacket heats, temperature during work in chuck is 500-700 DEG C, 100-250 DEG C is heated in preposition process chamber;

(c) charing process part:Preposition treated organic waste matter is sent into charing process room, introduces heat supply part High-temperature flue gas heats the indoor organic waste matter of charing process by the way of the heating of outer thermal jacket, chuck during work Interior temperature is 700-900 DEG C, and charing process heating indoor is to 450-650 DEG C;Charing process room is oxygen debt or anaerobic state;

(d) air treatment section:The gas-phase product generated in preposition process part is collected, using the side of first order water spray Formula is condensed, and obtains the first oil and the first on-condensible gas;The gas-phase product generated during charing process is collected, using the The mode of two level water spray is condensed, and obtains the second oil and the second on-condensible gas;

(e) gas utilizes part:Second on-condensible gas is introduced in the combustion chamber of heat supply part and is carried out as fuel of heat supply Burning, second on-condensible gas occur oxidation reaction and obtain high-temperature flue gas in the combustion chamber, and the temperature of high-temperature flue gas is 700-900 ℃;

(f) discharge, and recycled after indoor solid residue cooling will be carbonized.

The present invention is to the gas-phase product generated in preposition process part and charing process partial routine using cleaning type respectively Recycling, from the aspect of two:First, lightweight oil component and dust account in the gas-phase product that preposition process part generates It is bigger, charing process part generate gas-phase product in heavy oil component and dust accounting it is larger, it is carried out separate condensation, Separately recycling, beneficial to Oil recovery and rate of recovery height;Second is that prevent various lightweight oil components and heavy oil component and mix dust After cause line clogging, reduce rate of occurrence of equipment failure, ensure technique normal work.

Water spray is respectively adopted to the gas-phase product generated in preposition process part and charing process partial routine in the present invention Mode condensed, be on the one hand that the gas-phase product moisture content being collected into is higher, shower water can fully blend fast with steam Speed completes gas-liquid and is converted into liquid;On the other hand it is that can remove the dust contained in gas-phase product simultaneously with water spray, plays The effect of on-condensible gas is purified, on-condensible gas is made to be passed through combustion chamber more abundant in burning.

As an improvement, the pressure of the outer thermal jacket of the preposition process part and charing process part outlet is by independent Set an air-duct adjusting device being connected with corresponding outer thermal jacket outlet that control, preposition process part and charcoal is adjusted It is negative pressure to change the pressure in the outer thermal jacket of process part.

The pipe is controlled by the pipeline flow diameter for changing the exhaust duct being connected with the air-duct adjusting device The sectional area in road, i.e., when the circulation diameter of pipeline is become small, in the unit interval by gas flow can reduce;It is on the contrary then On the contrary, so as to adjust flow velocity and flow that gas is flowed into the outer thermal jacket of preposition process part and charing process part, and tie The heating load of combined burner and then the normal working temperature for ensureing preposition process chamber and charing process room.

It burns as an improvement, the first on-condensible gas is introduced in the combustion chamber of heat supply part as fuel of heat supply, it should First on-condensible gas occurs oxidation reaction and obtains high-temperature flue gas in the combustion chamber.The first on-condensible gas is in the combustion chamber in the present invention The high-temperature flue gas of oxidation reaction acquisition occurs and the high-temperature flue gas of oxidation reaction acquisition occurs in the combustion chamber for the second on-condensible gas, Thermal energy is provided for preposition process part and charing process part, realizes energy recycling.

As an improvement, the organic waste matter be selected from controlled drug, pharmaceutical products, sewage sludge, oily sludge, agricultural and The group that straw waste, feces of livestock and poultry, house refuse, food debris, spoil, clinical waste are formed.

As an improvement, the flue gas of thermal jacket outlet discharge passes through activity outside the preposition process part and charing process part Charcoal is adsorbed to be discharged with after bag-type dust processing.Particularly, for the nitrogen oxides that contains in flue gas, (NOx), bioxin etc. is toxic Qualified discharge after gas is purified by activated carbon adsorption and bag-type dust.

As an improvement, the burner is neat gas burner, the combustion of biomass particle burner, oil burner, coal dust Burner.

Gas is utilized in part, and some ingredients of on-condensible gas may not burn fully, using indoor combustion of burning Burner provides auxiliary thermal source, and on-condensible gas is promoted fully to burn, while ensures the normal working temperature of combustion chamber.

As an improvement, the ignition temperature of first on-condensible gas and the second on-condensible gas is 1000~1100 DEG C.

It is another object of the present invention in view of the deficiencies of the prior art, provide at a kind of organic waste matter pyrolysis charring Device is managed, which configures a combustion chamber and burner, can respectively be supplied according to the actual needs of drying machine and retort Heat, equipment and counter structure simplify, and operation cost is low, it can be achieved that extensive consecutive production.

The present invention solve the technical problem scheme be:

A kind of organic waste matter pyrolysis charring processing unit, including combustion chamber, preprocessing unit, charing process unit, Air processing unit and gas range site, it is characterised in that:

The combustion chamber sets a burner;

The preprocessing unit is external-heat drier, which is provided with drying machine chuck, and drying machine chuck leads to Flue gas delivery pipe road is crossed to communicate with the high-temperature flue gas outlet of combustion chamber;

The charing process unit is external-heat retort, which is provided with retort chuck, and retort chuck leads to Flue gas delivery pipe road is crossed with the high-temperature flue gas outlet of combustion chamber to be connected;

The air processing unit includes fume collection pipeline, first order treating column and second level treating column, drying machine Gas vent is connected by fume collection pipeline with first order treating column, and the gas-phase product generated in drying machine introduces the first order Treating column obtains the first oil after the spray condensation of the first spray thrower;The gas vent of retort by fume collection pipeline with Second level treating column is connected, and the gas-phase product generated in retort introduces second level treating column, is sprayed through the second spray thrower cold The second oil is obtained after solidifying;

The gas range site includes fixed gas conduit, and the gas outlet of second level treating column passes through fixed gas conduit and combustion It burns room to be connected, the second on-condensible gas obtained in the treating column of the second level is introduced into combustion chamber, the high-temperature flue gas that combustion chamber generates It is transmitted to by flue gas delivery pipe road in drying machine chuck and retort chuck.

As an improvement, the export pipeline of the drying machine chuck and retort chuck be respectively provided with one for adjust it is corresponding The air passage regulating valve of outlet pressure controls drying by air passage regulating valve and the first air-introduced machine being connected with the air passage regulating valve Pressure in machine chuck and retort chuck.

The present invention carries out heat supply respectively using a combustion chamber to drying machine chuck and rotary carbide furnace chuck, passes through adjusting The heating load of the burner and then adjusting, control and holding enter the high-temperature flue gas in drying machine chuck and rotary carbide furnace chuck Temperature, and the actual demand in technical process, by the air passage openings of sizes and air-introduced machine that adjust air passage regulating valve Absorbing quantity realizes flow velocity of the high-temperature flue gas in drying machine chuck and rotary carbide furnace chuck, and then adjusts, controls and keep and is dry Dry machine and rotary carbide furnace remain at suitable operating temperature, simple in structure, easily controllable.

As an improvement, the gas outlet of the first order treating column is by fixed gas conduit and combustion chamber, by first The first on-condensible gas obtained in grade treating column introduces combustion chamber, and the high-temperature flue gas that combustion chamber generates is passed by flue gas delivery pipe road It transports in drying machine chuck and retort chuck.

As an improvement, being equipped with coupled the second logical air-introduced machine on the fixed gas conduit, first is not coagulated respectively Gas and the second on-condensible gas are introduced in combustion chamber to burn as fuel of heat supply.

It is purified as an improvement, further including for the flue gas to drying machine chuck and the discharge of rotary carbide furnace jacket outlet Activated carbon adsorber and bag filter.

Compared with prior art, the beneficial effects of the present invention are:

(1) normal mode for setting hot-blast stove is respectively adopted in drying machine and rotary carbide furnace of the present invention, by combustion chamber and heat Wind furnace is classified as one, using only burner, realizes mode of the combustion chamber to drying machine and rotary carbide furnace difference heat supply;It is only logical It overregulates the heating load of the burner and then adjusting, control and keeps the height into drying machine chuck and rotary carbide furnace chuck The temperature of warm flue gas.

(2) by the first order treating column and the structure and form of second level treating column that configure, sludge is in drying machine and rotation Cleaning type recycling can be distinguished by turning the gas-phase product generated in retort, improved Oil recovery efficiency, solved the problems, such as line clogging, can It realizes and recycling recycling is carried out to the pyrolysis gas of a variety of debirs.

(3) by air passage regulating valve and the collective effect of air-introduced machine, the pressure in drying machine and rotary carbide furnace chuck is realized The accurate control of power, can be according to the actual demand in technical process, by adjusting the air passage openings of sizes of air passage regulating valve and drawing The absorbing quantity of wind turbine realizes flow velocity of the high-temperature flue gas in drying machine chuck and rotary carbide furnace chuck, so adjust, control and Drying machine and rotary carbide furnace is kept to remain negative pressure state and maintain suitable operating temperature, simple in structure, adjusting It is convenient and at low cost.

(4) pyrolysis gas purification separation and bag filter are added, is applicable to the pyrolytic carbon of wider debirs Change is handled, and including common wooden, campanulaceae class biomass, can particularly be directed to processed material can generate pollution in processing procedure The waste of gas (e.g., Nox , bioxin etc.), such as house refuse, sewage plant sludge, hazardous waste, agricultural and straw waste, poultry Poultry manure, house refuse, food debris, medical waste and the harmful spoil etc. that dies of illness.

In conclusion the present invention has, technique is simplified, device structure is simple, stable and reliable operation, carbonization time are short, hot profit With rate it is high the advantages that.

Description of the drawings:

The present invention is described further below in conjunction with the accompanying drawings:

Fig. 1 is the part-structure schematic diagram of drying machine in the prior art;

Fig. 2 is the part-structure schematic diagram of rotary carbide furnace in the prior art;

Fig. 3 is the part-structure schematic diagram of drying machine in the present invention;

Fig. 4 is the part-structure schematic diagram of rotary carbide furnace in the present invention;

Fig. 5 is the process flow chart of the organic waste matter pyrolysis charring processing method of the embodiment of the present invention one;

Fig. 6 is the overall structure diagram of the organic waste matter pyrolysis charring processing unit of the embodiment of the present invention two;

Fig. 7 is the overall structure diagram of air-duct adjusting device in the present invention.

In figure:1st, combustion chamber;1a, burner;2nd, drying machine;21st, drying machine chuck;The gas vent of 2a, drying machine; The solids inlet of 2b, drying machine;The solid outlet of 2c, drying machine;3rd, retort;31st, retort chuck;The gas of 3a, retort Body exports;The solids inlet of 3b, retort;1a, high-temperature flue gas outlet;4th, flue gas delivery pipe road;4a, dilution mouth;5th, flue gas is received Collect pipeline;6th, first order treating column;61st, the first spray thrower;7th, second level treating column;71st, the second spray thrower;8th, spiral conveying tube Road;9th, carbonization residue container;10th, fixed gas conduit;11st, export pipeline;12nd, air passage regulating valve;13rd, activated carbon adsorber;14、 Bag filter;15th, the first air-introduced machine;16th, chilling tower;17th, the second air-introduced machine.

Specific embodiment:

As described below is only presently preferred embodiments of the present invention, and not the scope of the present invention is defined.

Embodiment one

Fig. 5 is the process flow chart of one organic waste matter pyrolysis charring processing method of embodiment.As shown in figure 5, one kind has Machine matter waste pyrolysis carbonizing treatment method utilizes part including heat supply, preposition processing, charing process, gas treatment and gas,

(a) heat supply part:One burner is set, the bocca of burner is passed through in a combustion chamber and obtains high-temperature flue gas;

(b) preposition process part:Organic waste matter is inserted in preposition process chamber, the high-temperature flue gas for introducing heat supply part is adopted The indoor organic waste matter of preposition processing is heated with the mode that outer thermal jacket heats, temperature during work in chuck is 500-700 DEG C, 100-250 DEG C is heated in preposition process chamber;

(c) charing process part:Preposition treated organic waste matter is sent into charing process room, introduces heat supply part High-temperature flue gas heats the indoor organic waste matter of charing process by the way of the heating of outer thermal jacket, chuck during work Interior temperature is 700-900 DEG C, and charing process heating indoor is to 450-650 DEG C;Charing process room is oxygen debt or anaerobic state;

(d) air treatment section:The gas-phase product generated in preposition process part is collected, using the side of first order water spray Formula is condensed, and obtains the first oil and the first on-condensible gas;The gas-phase product generated during charing process is collected, using the The mode of two level water spray is condensed, and obtains the second oil and the second on-condensible gas;

(e) gas utilizes part:Second on-condensible gas is introduced in the combustion chamber of heat supply part and is carried out as fuel of heat supply Burning, second on-condensible gas occur oxidation reaction and obtain high-temperature flue gas in the combustion chamber, and the temperature of high-temperature flue gas is 700-900 DEG C, provide thermal energy for preposition process part and charing process part;

(f) it will discharge, and recycled after the indoor solid residue cooling of charing process.

The outer thermal jacket of the preposition process part and charing process part outlet pressure by be separately provided one with Control is adjusted in the air-duct adjusting device that corresponding outer thermal jacket outlet is connected so that at preposition process part and charing It is negative pressure to manage the pressure in the outer thermal jacket of part.

The pipe is controlled by the pipeline flow diameter for changing the exhaust duct being connected with the air-duct adjusting device The sectional area in road, i.e., when the circulation diameter of pipeline is become small, in the unit interval by gas flow can reduce;It is on the contrary then On the contrary, so as to adjust flow velocity and flow that gas is flowed into the outer thermal jacket of preposition process part and charing process part, and tie The heating load of combined burner and then the normal working temperature for ensureing preposition process chamber and charing process room.

First on-condensible gas is introduced in the combustion chamber of heat supply part and is burnt as fuel of heat supply, first fixed gas Body occurs oxidation reaction and obtains high-temperature flue gas in the combustion chamber, and the temperature of high-temperature flue gas is 700-900 DEG C, is preposition process part Thermal energy is provided with charing process part.The ignition temperature of first on-condensible gas and the second on-condensible gas is 1000~1100 DEG C, realize energy recycling.The organic waste matter is sewage sludge, oily sludge, biomass waste, spoil, doctor At least one of the mixture of discarded object composition is treated, wherein, the pyrolysis charring for spoil is, it is necessary to which spoil is passed through After breaker carries out break process, it is sent into the preposition process chamber.Outside the preposition process part and charing process part The flue gas of thermal jacket outlet discharge, particularly, for the nitrogen oxides that contains in flue gas, (toxic gases such as NOx), bioxin are cold But to after less than 200 DEG C, adding in Powdered Activated Carbon and deacidification agent, then the row up to standard after air passage adjusts and purified by bag-type dust It puts, the deacidification agent is quick lime etc., to remove the sour gas in flue gas.The burner is neat gas burner, life Material grains burner, oil burner, coal burner, gas are utilized in part, and some ingredients of on-condensible gas may not It can burn abundant, using burning, indoor burner provides auxiliary thermal source, and on-condensible gas is promoted fully to burn, while ensures to fire Burn the normal working temperature of room.

Embodiment two

Fig. 6 is the overall structure diagram of two organic waste matter pyrolysis charring processing unit of embodiment.As shown in fig. 6, one Kind organic waste matter pyrolysis charring processing unit, including combustion chamber 1, preprocessing unit, charing process unit, gas treatment list Member and gas range site, the combustion chamber 1 set a burner 1a;As shown in figure 3, the preprocessing unit is external-heat Drying machine 2, the drying machine 2 are provided with drying machine chuck 21, and drying machine chuck 21 passes through flue gas delivery pipe road 4 and combustion chamber 1 High-temperature flue gas outlet 1a is communicated;As shown in figure 4, the charing process unit is external-heat retort 3, which is provided with Retort chuck 31, retort chuck 31 are connected by flue gas delivery pipe road 4 with the high-temperature flue gas outlet 1a of combustion chamber 1;

The air processing unit includes fume collection pipeline 5, first order treating column 6 and second level treating column 7, drying machine 2 gas vent 2a is connected by fume collection pipeline 5 with first order treating column 6, and first order treating column 6 is internally provided with first Spray thrower 61 is located above the air inlet of first order treating column 6, and the gas-phase product generated in drying machine 2 is gone out by its gas Mouth 2a is introduced by the air inlet of first order treating column 6 in first order treating column 6 through fume collection pipeline 5, through the first spray thrower 61 The first oil is obtained after spray condensation, oil, water separation are realized after oil water separator;The gas vent 3a of retort 3 passes through cigarette Gas collecting 5 is connected with second level treating column 7, and second level treating column 7 is internally provided with the second spray thrower 71, is located at second Above its air inlet of grade treating column 7, the gas-phase product generated in retort 3 is by its gas vent 3a through fume collection pipeline 5 introduce in second level treating column 7, obtain the second oil after the spray condensation of the second spray thrower 71, are realized after oil water separator Oil, water separation;Organic waste matter is sent into drying machine 2 by helical feed pipeline 8 by the solids inlet 2b of drying machine 2 in the present invention It is interior, it is discharged in drying machine 2 after desiccation through its solid outlet 2c, and passes through helical feed pipeline 8 by 3 solids inlet 3b of retort It is sent into retort 3, the solid residue obtained after pyrolysis charring after the solid outlet 3c discharge coolings of retort 3 by sealing charcoal up for safekeeping Change in residue container 9.

The gas range site includes fixed gas conduit 10, and fixed gas conduit 10 is equipped with coupled logical second and draws The gas outlet of wind turbine 17, first order treating column 6 and second level treating column 7 is connected respectively by fixed gas conduit 10 with combustion chamber 1 Logical, the first on-condensible gas obtained in first order treating column 6 is by the second air-introduced machine 17 by its gas outlet through fixed gas conduit 10 It introduces combustion chamber 1 to burn, the second on-condensible gas obtained in second level treating column 7 is by the second air-introduced machine 17 by its outlet Mouth introduces combustion chamber 1 through fixed gas conduit 10 and burns, and the first on-condensible gas and the second on-condensible gas occur in combustion chamber 1 The high-temperature flue gas that oxidation reaction obtains is transmitted to by flue gas delivery pipe road 4 through drying machine chuck 21 and 31 import of retort chuck In drying machine chuck 21 and retort chuck 31, realize that heat supply is distinguished in combustion chamber 1 to drying machine 2 and retort 3.

The export pipeline 11 of the drying machine chuck 21 and retort chuck 31 is respectively provided with a chilling tower 16 and for adjusting The air passage regulating valve 12 of corresponding outlet pressure is respectively provided with activated carbon suction between the chilling tower 16 and air passage regulating valve 12 Attached tower 13 can also be equipped with to remove the de- of the sour gas in flue gas between activated carbon adsorber 13 and air passage regulating valve 12 Sour device, meanwhile, the outlet of the bag filter 14 is provided with coupled the first logical air-introduced machine 15,21 He of drying machine chuck The flue gas of the outlet of retort chuck 31 discharge is respectively first through chilling tower cold 16 but to after less than 200 DEG C, then through activated carbon adsorber 13 and deacidifying device cross air passage regulating valve 12 into bag filter 14 carry out purified treatment after qualified discharge.It is as shown in fig. 7, logical Overregulate the air passage openings of sizes of air passage regulating valve 12 and the air inducing for the first air-introduced machine 15 being connected with the air passage regulating valve 12 Size is measured, realizes flow velocity of the high-temperature flue gas in drying machine chuck and retort chuck, control drying machine chuck 21 and retort Pressure in chuck 31 is negative pressure, and then adjusts, controls and keep drying machine and retort to remain at suitable work temperature Degree.Wherein, air passage regulating valve 12 can be replaced by low pressure blower, by the absorbing quantity for adjusting the first air-introduced machine 15 and low pressure blower Size, it is negative pressure to control the pressure in drying machine chuck 21 and retort chuck 31.

It is additionally provided with that drying machine is controlled to press from both sides on the flue gas delivery pipe road 4 that the import with drying machine chuck 21 is connected The dilution mouth 4a of 21 intakes is covered, dilution mouth 4a enters the temperature of high-temperature flue gas in drying machine chuck 21 for adjusting;With this Meanwhile drying machine 2 and retort 3 are both provided with temperature and pressure transmitter so that in drying machine chuck 21 and retort chuck 31 Pressure and temperature can individually, accurate control.

Claims (8)

1. a kind of organic waste matter pyrolysis charring processing method, gentle including heat supply, preposition processing, charing process, gas treatment Body utilizes part, it is characterised in that:
(a)Heat supply part:One burner is set, the bocca of burner is passed through in a combustion chamber and obtains high-temperature flue gas;
(b)Preposition process part:Organic waste matter is inserted in preposition process chamber, introduces the high-temperature flue gas of heat supply part using outer The mode of thermal jacket heating heats the preposition indoor organic waste matter of processing, is heated to 100-300 DEG C;
(c)Charing process part:Preposition treated organic waste matter is sent into charing process room, introduces the high temperature of heat supply part Flue gas heats the indoor organic waste matter of charing process by the way of the heating of outer thermal jacket, is heated to 450-800 ℃;Charing process room is oxygen debt or anaerobic state;
(d)Air treatment section:Collect the gas-phase product generated in preposition process part, by the way of first order water spray into Row condensation, obtains the first oil and the first on-condensible gas;The gas-phase product generated during charing process is collected, using the second level The mode of water spray is condensed, and obtains the second oil and the second on-condensible gas;
(e)Gas utilizes part:Second on-condensible gas is introduced in the combustion chamber of heat supply part and is burnt as fuel of heat supply, Second on-condensible gas occurs oxidation reaction and obtains high-temperature flue gas in the combustion chamber;
(f)It will discharge, and is recycled after indoor solid residue cooling will be carbonized;
The pressure of the outer thermal jacket of the preposition process part and charing process part outlet by be separately provided one with it is opposite Control, the outer thermal jacket intake of preposition process part is adjusted in the air-duct adjusting device that the outer thermal jacket outlet answered is connected The dilution mouth control set by the flue gas delivery pipe road being connected with its import, preposition process part and charing process part Pressure in outer thermal jacket is negative pressure.
2. a kind of organic waste matter pyrolysis charring processing method as described in claim 1, it is characterised in that:By the first fixed gas Body is introduced in the combustion chamber of heat supply part to burn as fuel of heat supply, which aoxidizes in the combustion chamber Reaction obtains high-temperature flue gas.
3. a kind of organic waste matter pyrolysis charring processing method as described in claim 1, it is characterised in that:The organic matter gives up Object is selected from controlled drug, pharmaceutical products, sewage sludge, oily sludge, agricultural and straw waste, feces of livestock and poultry, house refuse, food The group that product residue, spoil, clinical waste are formed.
4. a kind of organic waste matter pyrolysis charring processing method as claimed in claim 2, it is characterised in that:The preposition processing The flue gas of thermal jacket outlet discharge after activated carbon adsorption and bag-type dust processing by discharging outside part and charing process part.
5. a kind of organic waste matter pyrolysis charring processing method as described in claim 1, it is characterised in that:The burner is Neat gas burner, biomass particle burner, oil burner, coal burner.
6. a kind of organic waste matter pyrolysis charring processing unit, including combustion chamber, preprocessing unit, charing process unit, gas Body processing unit and gas range site, it is characterised in that:A kind of organic matter of claim 1-5 any one of them is further included to give up Object pyrolysis charring processing method;
The combustion chamber sets a burner;
The preprocessing unit is external-heat drier, which is provided with drying machine chuck, and drying machine chuck passes through cigarette Letter shoot road is communicated with the high-temperature flue gas outlet of combustion chamber;
The charing process unit is external-heat retort, which is provided with retort chuck, and retort chuck passes through cigarette Letter shoot road is connected with the high-temperature flue gas outlet of combustion chamber;
The air processing unit includes fume collection pipeline, first order treating column and second level treating column, the gas of drying machine Outlet is connected by fume collection pipeline with first order treating column, and the gas-phase product generated in drying machine introduces first order processing Tower obtains the first oil after the spray condensation of the first spray thrower;The gas vent of retort passes through fume collection pipeline and second Grade treating column is connected, and the gas-phase product generated in retort introduces second level treating column, after the spray condensation of the second spray thrower Obtain the second oil;
The gas range site includes fixed gas conduit, and the gas outlet of second level treating column passes through fixed gas conduit and combustion chamber It is connected, the second on-condensible gas obtained in the treating column of the second level is introduced into combustion chamber, the high-temperature flue gas that combustion chamber generates passes through Flue gas delivery pipe road is transmitted in drying machine chuck and retort chuck;
The export pipeline of the drying machine chuck and retort chuck is respectively provided with one for adjusting the wind of corresponding outlet pressure Road regulating valve controls drying machine chuck and charing by air passage regulating valve and the first air-introduced machine being connected with the air passage regulating valve Pressure in stove chuck;The flue gas delivery pipe road that import with drying machine chuck is connected is additionally provided with that drying machine is controlled to press from both sides Cover the dilution mouth of intake.
7. a kind of organic waste matter pyrolysis charring processing unit as claimed in claim 6, it is characterised in that:At the first order The gas outlet of tower is managed by fixed gas conduit and combustion chamber, the first on-condensible gas obtained in first order treating column is drawn Enter combustion chamber;Coupled the second logical air-introduced machine is equipped on the fixed gas conduit.
8. a kind of organic waste matter pyrolysis charring processing unit as claimed in claim 7, it is characterised in that:Further include for pair The activated carbon adsorber and bag filter that drying machine chuck and the flue gas of retort jacket outlet discharge are purified.
CN201510314112.9A 2015-06-09 2015-06-09 A kind of organic waste matter pyrolysis charring processing method and processing device CN104877690B (en)

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