CN104877690A - Organic waste pyrolysis carbonization treatment method and device - Google Patents

Organic waste pyrolysis carbonization treatment method and device Download PDF

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Publication number
CN104877690A
CN104877690A CN201510314112.9A CN201510314112A CN104877690A CN 104877690 A CN104877690 A CN 104877690A CN 201510314112 A CN201510314112 A CN 201510314112A CN 104877690 A CN104877690 A CN 104877690A
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gas
treatment
combustion chamber
organic waste
flue gas
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CN201510314112.9A
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CN104877690B (en
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车磊
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湖州宜可欧环保科技有限公司
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Abstract

The invention relates to an organic waste pyrolysis carbonization treatment method which comprises a heat supply part, a pre-treatment part, a carbonization treatment part, a gas treatment part and a gas utilization part, wherein in the heat supply part, a burner is arranged, and a bocca of the burner is led into a combustion chamber, so as to obtain high-temperature flue gas; in the pre-treatment part, sludge is put in a pre-treatment chamber, and the high-temperature flue gas from the heat supply part is led in for heating; in the carbonization treatment part, the sludge after pre-treatment is sent to a carbonization treatment chamber, and the high-temperature flue gas from the heat supply part is led in for heating; in the gas treatment part, gas-phase products generated in pre-treatment and carbonization treatment are respectively collected and are correspondingly condensed by adopting a water spray way, so as to respectively obtain first oil and first non-condensable gas as well as second oil and second non-condensable gas; in the gas utilization part, the second non-condensable gas is led into the combustion chamber in the heat supply part, so as to be burnt. The invention further provides a device for implementing the method. The method and the device have the advantages of simple process and equipment, stability and reliability in operation, short carbonization time, high heat utilization efficiency and oil recovery rate and the like.

Description

A kind of organic waste matter pyrolysis charring treatment process and device

Technical field:

The invention belongs to reclaiming organic waste and utilize field, relate to a kind of organic waste matter pyrolysis charring treatment process and device in particular.

Background technology:

Contain containing organic waste in the materials such as the rubbish of the discharges such as the industrial waste of the discharge such as traditional agricultural, forestry, livestock industry, water industry or food-processing industry and various shop, enterprise, average family, only 3% by compost or be used as animal-feed in these organic waste matters, remaining is by by landfill or incinerator process.In addition, also comprise produce in oil production process based on the waste of sewage and mud, and the Biohazard Waste etc. of hospital's discharge, burning disposal can produce containing sour gas (as HCL, SOX, HF etc.), oxynitride (toxic gas and the toxic substance such as Nox), dioxin (PCDDS/PCDFS) and heavy metal (Hg, Pb), serious environment pollution.On the other hand, take to ferment, the mode of disaggregating treatment, although can by the composting of organic waste, fodder and realize effective utilization, organic waste be piled up and fully fermenting requires a great deal of time and energy.A few days ago, the resource treatment technique of organic waste gradually adopt by industry.

Chinese invention patent prospectus CN104031665A discloses a kind of combustible waste directional thermal decomposition method, it enters different pyrolysis step according to the pyrolysis demand different to combustible waste, comprise and obtain combustible waste RESEARCH OF PYROCARBON step, acquisition combustible waste pyrolytic tar step, acquisition combustible waste pyrolysis combustible gas step, different pyrolysis step is all carried out in pyrolysis oven, and the temperature by means of only regulable control pyrolysis oven reaches corresponding pyrolysis step.

In the use procedure of reality, reflect according to applicant, the method can complete domestic waste preferably, medical waste, old rubbish, damaged tire, plastic waste, trade waste, mud, changing food waste, gardens branch leaf waste, a kind of pyrolysis in feces of livestock and poultry, but there is following series of problems in it: different pyrolysis step is all carried out in pyrolysis oven, and can with two other pyrolysis step in combustible waste RESEARCH OF PYROCARBON step, but the temperature required difference of its pyrolysis of different pyrolysis step, reaction times in pyrolysis oven is also different, the composition of the gaseous product of two step generations also has very large difference, such as in the moisture evaporative process in early stage, the gas that produces is that just to there is water content high, the problem that calorific value is low, therefore different pyrolysis step institutes heat requirement can not automatically adjust according to the actual requirements, the method needs the preprocessing process moisture rate of raw material being reduced to less than 30% early stage in addition, this kind of method is batch process, can not realize continuous treatment, integrated artistic and counter structure complexity, heat utilization ratio is low, and production cost is high.

Summary of the invention:

An object of the present invention is for the deficiencies in the prior art part, a kind of organic waste matter pyrolysis charring treatment process is provided, the method uses drying that a combustion chamber and mated burner are organic waste matter and charing to provide heat, carbide after pyrolysis charring and pyrolysis gas are recycled respectively, it is little that technique and counter structure simplify, facility compact takes up an area face, to the water ratio of raw material without particular requirement, continuous prodution can be realized, heat supply can be carried out by combustion chamber according to the actual needs of mummification and charing, heat utilization ratio is high, and production cost is low.

Technology solution of the present invention is as follows:

A kind of organic waste matter pyrolysis charring treatment process, comprises heat supply, pre-process, charing process, gas processing and gas and utilizes part, it is characterized in that:

A () heat supply part: arrange a burner, passes into the bocca of burner in a combustion chamber and obtains high-temperature flue gas;

(b) pre-process part: organic waste matter is inserted pre-process indoor, the high-temperature flue gas introducing heat supply part adopts the organic waste matter of mode to pre-process indoor of outer thermal jacket heating to heat, temperature during work in chuck is 500-700 DEG C, and pre-process heating indoor is to 100-250 DEG C;

(c) charing treating part: the organic waste matter after pre-process is sent into charing treatment chamber, introduce the high-temperature flue gas of heat supply part, the mode adopting outer thermal jacket to heat heats the organic waste matter in charing treatment chamber, temperature during work in chuck is 700-900 DEG C, is heated to 450-650 DEG C in charing treatment chamber; Charing treatment chamber is oxygen debt or anaerobic state;

D () air treatment section: collect the gas-phase product produced in pre-process part, adopts the mode of first step Water spray to carry out condensation, obtains the first oil content and the first noncondensable gas; Collect the gas-phase product produced in charing treating processes, adopt the mode of second stage Water spray to carry out condensation, obtain the second oil content and the second noncondensable gas;

E () gas utilizes part: burn in the combustion chamber of the second noncondensable gas introducing heat supply part as fuel of heat supply, this second noncondensable gas oxidizing reaction occurs in combustion chamber and obtains high-temperature flue gas, and the temperature of high-temperature flue gas is 700-900 DEG C;

F () is discharged after the solid residue cooling in coking chamber, and reclaim.

The present invention adopts cleaning type respectively to reclaim to the gas-phase product produced in pre-process part and charing treating part process, mainly consider for two aspects: one be in the gas-phase product that produces of pre-process part lightweight oil composition and dust accounting larger, charing treating part produce gas-phase product in mink cell focus composition and dust accounting larger, it is carried out separately condensation, is separately reclaimed, is beneficial to Oil recovery and the rate of recovery is high; Two are, cause line clogging after preventing various lightweight oil composition and mink cell focus composition and mix dust, reduce rate of occurrence of equipment failure, ensure that technique normally works.

The present invention adopts the mode of Water spray to carry out condensation to the gas-phase product produced in pre-process part and charing treating part process respectively, be on the one hand that the gas-phase product moisture content collected is higher, spray water fully can blend with steam and complete rapidly gas-liquid and be converted into liquid; Being can remove the dust contained in gas-phase product with Water spray on the other hand simultaneously, playing the effect of purification noncondensable gas, making noncondensable gas pass into combustion chamber more abundant when burning.

As improvement, the pressure of the outer thermal jacket outlet of described pre-process part and charing treating part all exports with corresponding outer thermal jacket the air-duct adjusting device be connected carry out regulable control by arranging separately one, and pre-process part is negative pressure with the pressure carbonized in the outer thermal jacket for the treatment of part.

Controlled the sectional area of this pipeline by the pipeline flow diameter changing the exhaust duct be connected with described air-duct adjusting device, namely when being diminished by the circulation diameter of pipeline, the gas flow passed through in its unit time can reduce; Otherwise then contrary, thus regulate the flow velocity and the flow that flow to gas in the outer thermal jacket of pre-process part and charing treating part, and in conjunction with the heat supplied of burner and then the normal working temperature of guarantee pre-process room and charing treatment chamber.

As improvement, burn in the combustion chamber of the first noncondensable gas introducing heat supply part as fuel of heat supply, there is oxidizing reaction and obtain high-temperature flue gas in this first noncondensable gas in combustion chamber.In the present invention the first noncondensable gas occur in combustion chamber oxidizing reaction obtain high-temperature flue gas and the second noncondensable gas occur in combustion chamber oxidizing reaction obtain high-temperature flue gas, for pre-process part and charing treating part provide heat energy, realize energy recycling.

As improvement, the group that described organic waste matter is selected from controlled drug, pharmaceutical products, sewage sludge, oily sludge, agricultural and straw waste, feces of livestock and poultry, domestic refuse, food debris, carcase, clinical waste form.

As improvement, the flue gas that described pre-process part and thermal jacket outlet outside charing treating part are discharged is by discharging after charcoal absorption and bag-type dust process.Particularly, for the oxynitride contained in flue gas, (toxic gas such as NOx), dioxin is undertaken purifying rear qualified discharge by charcoal absorption and bag-type dust.

As improvement, described burner is natural gas burner, biomass particle burner, oil fuel burner, coal burner.

Gas utilizes in part, and some composition of noncondensable gas may not sufficient combustion, the burner in combustion chamber can be utilized to provide auxiliary thermal source, impel noncondensable gas Thorough combustion, ensure the normal working temperature of combustion chamber simultaneously.

As improvement, the temperature of combustion of described first noncondensable gas and the second noncondensable gas is 1000 ~ 1100 DEG C.

Another object of the present invention is for the deficiencies in the prior art part, a kind of organic waste matter pyrolysis charring treatment unit is provided, this device configures a combustion chamber and burner, difference heat supply can be carried out according to the actual needs of drying machine and charring furnace, equipment and counter structure simplify, operation cost is low, can realize extensive consecutive production.

The scheme that the present invention solve the technical problem is:

A kind of organic waste matter pyrolysis charring treatment unit, comprises combustion chamber, preprocessing unit, charing processing unit, air processing unit and gas range site, it is characterized in that:

Described combustion chamber arranges a burner;

Described preprocessing unit is external-heat drier, and this drying machine is provided with drying machine chuck, and drying machine chuck to be exported with the high-temperature flue gas of combustion chamber by flue gas delivery pipe road and communicates;

Described charing processing unit is external-heat charring furnace, and this charring furnace is provided with charring furnace chuck, and charring furnace chuck to be exported with the high-temperature flue gas of combustion chamber by flue gas delivery pipe road and is connected;

Described air processing unit comprises fume collection pipeline, first step treating column and second stage treating column, the pneumatic outlet of drying machine is connected with first step treating column by fume collection pipeline, the gas-phase product produced in drying machine introduces first step treating column, after the first spray thrower spray condensation, obtain the first oil content; The pneumatic outlet of charring furnace is connected with second stage treating column by fume collection pipeline, and the gas-phase product produced in charring furnace introduces second stage treating column, after the second spray thrower spray condensation, obtain the second oil content;

Described gas range site comprises non-condensable gas conduit, the air outlet of second stage treating column is by non-condensable gas conduit and combustion chamber, the second noncondensable gas obtained in the treating column of the second stage is introduced combustion chamber, and the high-temperature flue gas that combustion chamber produces is transferred in drying machine chuck and charring furnace chuck by flue gas delivery pipe road.

As improvement, the export pipeline of described drying machine chuck and charring furnace chuck all arranges one for regulating the air channel variable valve of corresponding top hole pressure, is controlled the pressure in drying machine chuck and charring furnace chuck by air channel variable valve and the first induced draft fan of being connected with this air channel variable valve.

The present invention uses a combustion chamber to carry out heat supply respectively to drying machine chuck and rotary carbide furnace chuck, by regulating heat supplied and then the adjustment of this burner, control and keep the temperature of the high-temperature flue gas entered in drying machine chuck and rotary carbide furnace chuck, and according to the actual demand in technological process, the flow velocity of high-temperature flue gas in drying machine chuck and rotary carbide furnace chuck is realized by the absorbing quantity of the air channel openings of sizes and induced draft fan that regulate air channel variable valve, and then regulate, to control and keep dry machine and rotary carbide furnace remain at suitable working temperature, structure is simple, be easy to control.

As improvement, the air outlet of described first step treating column is by non-condensable gas conduit and combustion chamber, the first noncondensable gas obtained in first step treating column is introduced combustion chamber, and the high-temperature flue gas that combustion chamber produces is transferred in drying machine chuck and charring furnace chuck by flue gas delivery pipe road.

As improvement, described non-condensable gas conduit is equipped with coupled the second logical induced draft fan, the first noncondensable gas and the second noncondensable gas is introduced in combustion chamber burn as fuel of heat supply respectively.

As improvement, also comprise the activated carbon adsorber for purifying the flue gas of drying machine chuck and the discharge of rotary carbide furnace Jacket outlet and sack cleaner.

Compared with prior art, beneficial effect of the present invention is:

(1) drying machine of the present invention and rotary carbide furnace adopt the normal mode arranging hotblast stove respectively, combustion chamber and hotblast stove are classified as one, only use burner, achieve heat supply is distinguished in combustion chamber mode to drying machine and rotary carbide furnace; The temperature of the high-temperature flue gas in drying machine chuck and rotary carbide furnace chuck is entered by means of only the heat supplied and then adjustment, control and maintenance that regulate this burner.

(2) structure and the form of first step treating column and the second stage treating column configured is passed through, the gas-phase product that mud produces in drying machine and rotary carbide furnace can be distinguished cleaning type and reclaim, improve Oil recovery efficiency, solve line clogging problem, can realize carrying out resource utilization recovery to the pyrolysis gas of multiple organic waste.

(3) by the acting in conjunction of air channel variable valve and induced draft fan, realize the precise hard_drawn tuhes of the pressure in drying machine and rotary carbide furnace chuck, can according to the actual demand in technological process, the flow velocity of high-temperature flue gas in drying machine chuck and rotary carbide furnace chuck is realized by the absorbing quantity of the air channel openings of sizes and induced draft fan that regulate air channel variable valve, and then regulate, control and keep dry machine and rotary carbide furnace remain negative pressure state and maintain suitable working temperature, its structure is simple, easy to adjust and cost is low.

(4) pyrolysis gas purification separation and sack cleaner is added, be applicable to the pyrolysis charring process of wider organic waste, comprise the biomass of common wooden, balloonflower root class, particularly can for handled thing can produce in treating processes dusty gas (as, Nox dioxin etc.) refuse, as domestic refuse, sewage plant sludge, Hazardous wastes, agricultural and straw waste, feces of livestock and poultry, domestic refuse, food debris, medical waste and the harmful carcase etc. that dies of illness.

In sum, the present invention has that work simplification, device structure are simple, stable and reliable operation, carbonization time are short, heat utilization efficiency advantages of higher.

Accompanying drawing illustrates:

Below in conjunction with accompanying drawing, the present invention is described further:

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

Fig. 2 is the part-structure schematic diagram of rotary carbide furnace in 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 sheet of the organic waste matter pyrolysis charring treatment process of the embodiment of the present invention one;

Fig. 6 is the one-piece construction schematic diagram of the organic waste matter pyrolysis charring treatment unit of the embodiment of the present invention two;

Fig. 7 is the one-piece construction schematic diagram of air-duct adjusting device in the present invention.

In figure: 1, combustion chamber; 1a, burner; 2, drying machine; 21, drying machine chuck; The pneumatic outlet of 2a, drying machine; The solids inlet of 2b, drying machine; The solid outlet of 2c, drying machine; 3, charring furnace; 31, charring furnace chuck; The pneumatic outlet of 3a, charring furnace; The solids inlet of 3b, charring furnace; 1a, high-temperature flue gas export; 4, flue gas delivery pipe road; 4a, dilution mouth; 5, fume collection pipeline; 6, first step treating column; 61, the first spray thrower; 7, second stage treating column; 71, the second spray thrower; 8, helical feed pipeline; 9, carbonization residue container; 10, non-condensable gas conduit; 11, export pipeline; 12, air channel variable valve; 13, activated carbon adsorber; 14, sack cleaner; 15, the first induced draft fan; 16, quench tower; 17, the second induced draft fan.

Embodiment:

The following stated is only preferred embodiment of the present invention, not limits scope of the present invention.

Embodiment one

Fig. 5 is the process flow sheet of embodiment one organic waste matter pyrolysis charring treatment process.As shown in Figure 5, a kind of organic waste matter pyrolysis charring treatment process, comprises heat supply, pre-process, charing process, gas processing and gas and utilizes part,

A () heat supply part: arrange a burner, passes into the bocca of burner in a combustion chamber and obtains high-temperature flue gas;

(b) pre-process part: organic waste matter is inserted pre-process indoor, the high-temperature flue gas introducing heat supply part adopts the organic waste matter of mode to pre-process indoor of outer thermal jacket heating to heat, temperature during work in chuck is 500-700 DEG C, and pre-process heating indoor is to 100-250 DEG C;

(c) charing treating part: the organic waste matter after pre-process is sent into charing treatment chamber, introduce the high-temperature flue gas of heat supply part, the mode adopting outer thermal jacket to heat heats the organic waste matter in charing treatment chamber, temperature during work in chuck is 700-900 DEG C, is heated to 450-650 DEG C in charing treatment chamber; Charing treatment chamber is oxygen debt or anaerobic state;

D () air treatment section: collect the gas-phase product produced in pre-process part, adopts the mode of first step Water spray to carry out condensation, obtains the first oil content and the first noncondensable gas; Collect the gas-phase product produced in charing treating processes, adopt the mode of second stage Water spray to carry out condensation, obtain the second oil content and the second noncondensable gas;

E () gas utilizes part: burn in the combustion chamber of the second noncondensable gas introducing heat supply part as fuel of heat supply, oxidizing reaction is there is and obtains high-temperature flue gas in this second noncondensable gas in combustion chamber, the temperature of high-temperature flue gas is 700-900 DEG C, for pre-process part and charing treating part provide heat energy;

F () is discharged after the solid residue cooling in charing treatment chamber, and reclaim.

The pressure of the outer thermal jacket outlet of described pre-process part and charing treating part all exports with corresponding outer thermal jacket the air-duct adjusting device be connected carry out regulable control by arranging separately one, makes pre-process part be negative pressure with the pressure carbonized in the outer thermal jacket for the treatment of part.

Controlled the sectional area of this pipeline by the pipeline flow diameter changing the exhaust duct be connected with described air-duct adjusting device, namely when being diminished by the circulation diameter of pipeline, the gas flow passed through in its unit time can reduce; Otherwise then contrary, thus regulate the flow velocity and the flow that flow to gas in the outer thermal jacket of pre-process part and charing treating part, and in conjunction with the heat supplied of burner and then the normal working temperature of guarantee pre-process room and charing treatment chamber.

Burn in the combustion chamber of the first noncondensable gas introducing heat supply part as fuel of heat supply, oxidizing reaction is there is and obtains high-temperature flue gas in this first noncondensable gas in combustion chamber, the temperature of high-temperature flue gas is 700-900 DEG C, for pre-process part and charing treating part provide heat energy.The temperature of combustion of described first noncondensable gas and the second noncondensable gas is 1000 ~ 1100 DEG C, realizes energy recycling.Described organic waste matter is at least one of mixture of sewage sludge, oily sludge, biomass waste, carcase, Biohazard Waste composition, wherein, for the pyrolysis charring of carcase, after needing that carcase is carried out break process by shredder assembly, send into described pre-process indoor.The flue gas that described pre-process part is discharged with thermal jacket outlet outside charing treating part, particularly, for the oxynitride contained in flue gas, (toxic gas such as NOx), dioxin is cooled to after below 200 DEG C, add Powdered Activated Carbon and de-acidying agent, qualified discharge after air channel adjustment is purified by bag-type dust again, described de-acidying agent is unslaked lime etc., in order to remove the sour gas in flue gas.Described burner is natural gas burner, biomass particle burner, oil fuel burner, coal burner, gas utilizes in part, some composition of noncondensable gas may not sufficient combustion, the burner in combustion chamber can be utilized to provide auxiliary thermal source, impel noncondensable gas Thorough combustion, ensure the normal working temperature of combustion chamber simultaneously.

Embodiment two

Fig. 6 is the one-piece construction schematic diagram of embodiment two organic waste matter pyrolysis charring treatment unit.As shown in Figure 6, a kind of organic waste matter pyrolysis charring treatment unit, comprises combustion chamber 1, preprocessing unit, charing processing unit, air processing unit and gas range site, and described combustion chamber 1 arranges a burner 1a; As shown in Figure 3, described preprocessing unit is external-heat drier 2, and this drying machine 2 is provided with drying machine chuck 21, and drying machine chuck 21 exports 1a by flue gas delivery pipe road 4 with the high-temperature flue gas of combustion chamber 1 and communicates; As shown in Figure 4, described charing processing unit is external-heat charring furnace 3, and this charring furnace 3 is provided with charring furnace chuck 31, and charring furnace chuck 31 exports 1a by flue gas delivery pipe road 4 with the high-temperature flue gas of combustion chamber 1 and is connected;

Described air processing unit comprises fume collection pipeline 5, first step treating column 6 and second stage treating column 7, the pneumatic outlet 2a of drying machine 2 is connected with first step treating column 6 by fume collection pipeline 5, first step treating column 6 inside is provided with the first spray thrower 61, it is positioned at above the inlet mouth of first step treating column 6, the gas-phase product produced in drying machine 2 is introduced first step treating column 6 in through fume collection pipeline 5 by the inlet mouth of first step treating column 6 by its pneumatic outlet 2a, the first oil content is obtained after the first spray thrower 61 sprays condensation, oil is realized after water-and-oil separator, water is separated, the pneumatic outlet 3a of charring furnace 3 is connected with second stage treating column 7 by fume collection pipeline 5, second stage treating column 7 inside is provided with the second spray thrower 71, it is positioned at above its inlet mouth of second stage treating column 7, the gas-phase product produced in charring furnace 3 is introduced in second stage treating column 7 by its pneumatic outlet 3a through fume collection pipeline 5, after the second spray thrower 71 sprays condensation, obtain the second oil content, after water-and-oil separator, realize oil, water is separated, in the present invention, organic waste matter is sent in drying machine 2 by helical feed pipeline 8 by the solids inlet 2b of drying machine 2, discharge through its solid outlet 2c after mummification in drying machine 2, and send in charring furnace 3 by helical feed pipeline 8 by charring furnace 3 solids inlet 3b, the solid residue obtained after pyrolysis charring is sealed up for safekeeping in carbonization residue container 9 after discharging cooling by the solid outlet 3c of charring furnace 3.

Described gas range site comprises non-condensable gas conduit 10, non-condensable gas conduit 10 is provided with coupled the second logical induced draft fan 17, first step treating column 6 is connected with combustion chamber 1 respectively by non-condensable gas conduit 10 with the air outlet of second stage treating column 7, the first noncondensable gas obtained in first step treating column 6 is introduced combustion chamber 1 by its air outlet through non-condensable gas conduit 10 by the second induced draft fan 17 and is burnt, the second noncondensable gas obtained in second stage treating column 7 is introduced combustion chamber 1 by its air outlet through non-condensable gas conduit 10 by the second induced draft fan 17 and is burnt, the high-temperature flue gas that oxidizing reaction acquisition occurs in combustion chamber 1 for first noncondensable gas and the second noncondensable gas transfers in drying machine chuck 21 and charring furnace chuck 31 by flue gas delivery pipe road 4 drying machine chuck 21 and charring furnace chuck 31 import, realize 1 pair, combustion chamber drying machine 2 and charring furnace 3 heat supply respectively.

The export pipeline 11 of described drying machine chuck 21 and charring furnace chuck 31 all arranges a quench tower 16 and for regulating the air channel variable valve 12 of corresponding top hole pressure, one activated carbon adsorber 13 is all set between described quench tower 16 and air channel variable valve 12, the deacidifying device for removing the sour gas in flue gas also can be provided with between activated carbon adsorber 13 and air channel variable valve 12, simultaneously, the outlet of this sack cleaner 14 is provided with coupled the first logical induced draft fan 15, drying machine chuck 21 and charring furnace chuck 31 export the flue gas of discharging respectively first after below cold 16 but to 200 of quench tower DEG C, cross air channel variable valve 12 through activated carbon adsorber 13 and deacidifying device again to enter sack cleaner 14 and carry out qualified discharge after purifying treatment.As shown in Figure 7, by the air channel openings of sizes that regulates air channel variable valve 12 and the absorbing quantity size of the first induced draft fan 15 be connected with this air channel variable valve 12, realize the flow velocity of high-temperature flue gas in drying machine chuck and charring furnace chuck, the pressure controlled in drying machine chuck 21 and charring furnace chuck 31 is negative pressure, so regulate, control and keep dry machine and charring furnace remain at suitable working temperature.Wherein, air channel variable valve 12 all can be replaced by fan with low voltage, and by regulating the absorbing quantity size of the first induced draft fan 15 and fan with low voltage, the pressure controlled in drying machine chuck 21 and charring furnace chuck 31 is negative pressure.

The described flue gas delivery pipe road 4 be connected with the import of drying machine chuck 21 is also provided with the dilution mouth 4a for controlling drying machine chuck 21 air output, this dilution mouth 4a is for regulating the temperature entering high-temperature flue gas in drying machine chuck 21; Meanwhile, drying machine 2 and charring furnace 3 are provided with temperature and pressure transmitter, make pressure and temperature in drying machine chuck 21 and charring furnace chuck 31 can separately, precise hard_drawn tuhes.

Claims (10)

1. an organic waste matter pyrolysis charring treatment process, comprises heat supply, pre-process, charing process, gas processing and gas and utilizes part, it is characterized in that:
A () heat supply part: arrange a burner, passes into the bocca of burner in a combustion chamber and obtains high-temperature flue gas;
(b) pre-process part: organic waste matter is inserted pre-process indoor, the high-temperature flue gas introducing heat supply part adopts the organic waste matter of mode to pre-process indoor of outer thermal jacket heating to heat, and is heated to 100-300 DEG C;
(c) charing treating part: the organic waste matter after pre-process is sent into charing treatment chamber, introduce the high-temperature flue gas of heat supply part, the mode adopting outer thermal jacket to heat heats the organic waste matter in charing treatment chamber, is heated to 450-800 DEG C; Charing treatment chamber is oxygen debt or anaerobic state;
D () air treatment section: collect the gas-phase product produced in pre-process part, adopts the mode of first step Water spray to carry out condensation, obtains the first oil content and the first noncondensable gas; Collect the gas-phase product produced in charing treating processes, adopt the mode of second stage Water spray to carry out condensation, obtain the second oil content and the second noncondensable gas;
E () gas utilizes part: burn in the combustion chamber of the second noncondensable gas introducing heat supply part as fuel of heat supply, this second noncondensable gas oxidizing reaction occurs in combustion chamber and obtains high-temperature flue gas;
F () is discharged after the solid residue cooling in coking chamber, and reclaim.
2. a kind of organic waste matter pyrolysis charring treatment process as claimed in claim 1, it is characterized in that: the pressure of the outer thermal jacket outlet of described pre-process part and charing treating part all exports with corresponding outer thermal jacket the air-duct adjusting device be connected carry out regulable control by arranging separately one, and pre-process part is negative pressure with the pressure carbonized in the outer thermal jacket for the treatment of part.
3. a kind of organic waste matter pyrolysis charring treatment process as claimed in claim 1 or 2, it is characterized in that: burn in the combustion chamber of the first noncondensable gas introducing heat supply part as fuel of heat supply, this first noncondensable gas oxidizing reaction occurs in combustion chamber and obtains high-temperature flue gas.
4. a kind of organic waste matter pyrolysis charring treatment process as claimed in claim 1, is characterized in that: the group that described organic waste matter is selected from controlled drug, pharmaceutical products, sewage sludge, oily sludge, agricultural and straw waste, feces of livestock and poultry, domestic refuse, food debris, carcase, clinical waste form.
5. a kind of organic waste matter pyrolysis charring treatment process as claimed in claim 3, is characterized in that: the flue gas that described pre-process part and thermal jacket outlet outside charing treating part are discharged is by discharging after charcoal absorption and bag-type dust process.
6. a kind of organic waste matter pyrolysis charring treatment process as claimed in claim 1, is characterized in that: described burner is natural gas burner, biomass particle burner, oil fuel burner, coal burner.
7. an organic waste matter pyrolysis charring treatment unit, comprises combustion chamber, preprocessing unit, charing processing unit, air processing unit and gas range site, it is characterized in that:
Described combustion chamber arranges a burner;
Described preprocessing unit is external-heat drier, and this drying machine is provided with drying machine chuck, and drying machine chuck to be exported with the high-temperature flue gas of combustion chamber by flue gas delivery pipe road and communicates;
Described charing processing unit is external-heat charring furnace, and this charring furnace is provided with charring furnace chuck, and charring furnace chuck to be exported with the high-temperature flue gas of combustion chamber by flue gas delivery pipe road and is connected;
Described air processing unit comprises fume collection pipeline, first step treating column and second stage treating column, the pneumatic outlet of drying machine is connected with first step treating column by fume collection pipeline, the gas-phase product produced in drying machine introduces first step treating column, after the first spray thrower spray condensation, obtain the first oil content; The pneumatic outlet of charring furnace is connected with second stage treating column by fume collection pipeline, and the gas-phase product produced in charring furnace introduces second stage treating column, after the second spray thrower spray condensation, obtain the second oil content;
Described gas range site comprises non-condensable gas conduit, the air outlet of second stage treating column is by non-condensable gas conduit and combustion chamber, the second noncondensable gas obtained in the treating column of the second stage is introduced combustion chamber, and the high-temperature flue gas that combustion chamber produces is transferred in drying machine chuck and charring furnace chuck by flue gas delivery pipe road.
8. a kind of organic waste matter pyrolysis charring treatment unit as claimed in claim 7, it is characterized in that: the export pipeline of described drying machine chuck and charring furnace chuck all arranges one for regulating the air channel variable valve of corresponding top hole pressure, being controlled the pressure in drying machine chuck and charring furnace chuck by air channel variable valve and the first induced draft fan of being connected with this air channel variable valve.
9. a kind of organic waste matter pyrolysis charring treatment unit as claimed in claim 7 or 8, it is characterized in that: the first noncondensable gas obtained in first step treating column, by non-condensable gas conduit and combustion chamber, is introduced combustion chamber by the air outlet of described first step treating column; Described non-condensable gas conduit is equipped with coupled the second logical induced draft fan.
10. a kind of organic waste matter pyrolysis charring treatment unit as claimed in claim 9, is characterized in that: also comprise the activated carbon adsorber for purifying the flue gas of drying machine chuck and the discharge of charring furnace Jacket outlet and sack cleaner.
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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