CN104858219B - One kind is died of illness poultry anhydration and incineration pyrolysis system and its technique - Google Patents
One kind is died of illness poultry anhydration and incineration pyrolysis system and its technique Download PDFInfo
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- CN104858219B CN104858219B CN201510320719.8A CN201510320719A CN104858219B CN 104858219 B CN104858219 B CN 104858219B CN 201510320719 A CN201510320719 A CN 201510320719A CN 104858219 B CN104858219 B CN 104858219B
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/70—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in livestock or poultry
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Abstract
Died of illness poultry anhydration and incineration pyrolysis system and its technique, including drying machine, incinerator, charcoal pyrolysis oven and exhaust gas processing device the invention discloses one kind；The exhanst gas outlet of incinerator connects with drying machine, and drying machine tail gas outlet connects with incinerator all the way, and another way connects with exhaust gas processing device；The discharging opening of drying machine directly connects with incinerator all the way, and another way connects with pyrolysis oven, while cracking tail gas outlet connects with incinerator.The flue gas that the present invention is burned using product after dead poultry desiccation is directly entered drying machine and carries out heat exchange with aqueous high poultry of dying of illness, and effective heat energy is fully used；Lime-ash after burning can be used for making construction material (hollow brick, cement filler etc.)；Poultry of dying of illness after remaining desiccation can produce charcoal；Dry tail gas and charcoal pyrolysis gas is passed through incinerator, it is final to realize die of illness the innoxious of poultry, minimizing, recycling.
Description
Technical field
The present invention relates to the environment-protective process for poultry processing of dying of illness, more particularly to one kind to die of illness poultry anhydration and incineration pyrolysis system
And its technique.
Background technology
The current processing to animals died of illness both at home and abroad mainly has " burn, bury, boiling, heap " 4 kinds of methods.Wherein, " burying " wastes soil
Ground, also easy polluted underground water；" boiling " can produce a large amount of meat slag, high-concentration waste water and foul smell, easily produce secondary pollution；" heap "
Spent time is long, and very inapplicable to larger animal corpse；" burning " is to realize die of illness innoxious poultry, minimizing, stabilisation
The most thoroughly means, but the problems such as its technology and equipment investment is big, and operating cost is high, and high-temperature tail gas fails to make full use of.Such as
What is effectively by poultry of dying of illness is innoxious, the current countries in the world of recycling face a common difficulty." at animal pyrolysis charring
Reason technology " is under anaerobic, condition of normal pressure, using pyrolysis charring technique, cracks the organic principle in spoil, ease
Go out volatile materials and form a kind of high temperature innoxious process for treating of solid carbide.
Invention (201310189412.X) discloses that one kind dies of illness harmful animal charing handling process and its device, the invention exist
Inside set and harmful animal anaerobic pyrolysis carbonization processing of dying of illness is carried out in the pyrolysis carbonizing plant of pyrolysis charring room and combustion chamber, evil of dying of illness is dynamic
Thing is directly handled without broken, and the harmful animal that dies of illness be pyrolyzed carbonization can be cementing during high temperature dehydration, influence pyrolytic process
Heat-transfer effect, increase pyrolysis energy consumption and time, processing cost is caused to increase.
Invention (201310643765.2) discloses the dead pig carbonization processing device of contiguous segmentation formula and technique, the invention device
Including combustion furnace, shredding mechanism, roller drier, retort, exhaust gas processing device etc..The system shredding mechanism is placed in isolation ward
It is interior, and its exhaust gas processing device includes cyclone separator and screen collector, have that floor space is big, vent gas treatment is not thorough enough
Bottom, easily there are secondary pollution problems.Therefore, it is high to develop a kind of set technique heat utilization efficiency, pollutant emission is low or even zero-emission
Put, it is final to realize die of illness innoxious poultry, minimizing, recycling, there is important application value.
The content of the invention
The purpose of the present invention is exactly to solve high energy consumption existing for poultry processing system of dying of illness at present, there is secondary pollution etc.
Problem, there is provided a kind of energy utilization rate is high, die of illness poultry anhydration and incineration pyrolysis system and its technique the advantages that non-secondary pollution.
To achieve the above object, the present invention adopts the following technical scheme that：
One kind is died of illness poultry anhydration and incineration pyrolysis system, including：At incinerator, drying machine, charcoal pyrolysis oven and tail gas
Manage device；
The exhanst gas outlet of the incinerator connects with drying machine, and drying machine tail gas outlet connects with incinerator all the way, another
Road connects with exhaust gas processing device；The discharging opening of drying machine directly connects with incinerator all the way, another way and charcoal pyrolysis oven
Connection, while the offgas outlet of charcoal pyrolysis oven connects with incinerator.
The drying machine is with shredding mechanism and multistage smashing device.
The exhaust gas processing device is divided into two level, and the first order is spray column, and the second level is charcoal adsorption tower；The spray
The waste liquid part that tower bottom comes out returns to spray column, and another part enters sewage disposal system.
The charcoal pyrolysis oven is dual temperature area pyrolysis oven, pyrolysis charring is carried out in low-temperature space, in high-temperature region to low-temperature space
Thermal decomposition product carries out activation generation charcoal.
The feed bin for poultry of dying of illness connects by the charging aperture of conveying device and drying machine.
After the discharging opening of the drying machine is sequentially connected cyclone dust collectors and siccative storehouse, enter all the way with charcoal pyrolysis oven
Material mouth connects, and the charging aperture of another way and incinerator connects.
After the exhaust outlet of the drying machine is sequentially connected cyclone dust collectors and electric cleaner, it is sent into burns by air-introduced machine all the way
Stove is burnt, another way enters exhaust gas processing device.
A kind of handling process for poultry anhydration and incineration pyrolysis system of dying of illness, comprises the following steps：
(1) poultry of dying of illness (moisture content 70%-80%) is sent directly into shredding mechanism and multistage smashing by conveying device
The drying machine of device, the tail gas directly contact in drying machine after shredding mechanism and multi-stage crushing device and from incinerator are changed
Heat realizes drying-granulating；
(2) poultry of dying of illness of desiccation obtained by drying machine is sent into incinerator by conveyer all the way and burned, after incinerator burning
Drying machine is sent into after high-temperature tail gas and air mixing temperature adjustment, directly contacts and is dried with poultry of dying of illness；
850-1100 DEG C of high-temperature tail gas caused by incinerator, enter drying after at least being stopped in the high-temperature region of incinerator 2 seconds
Machine, the high-temperature tail gas is chilled to less than 350 DEG C after.The purpose is to avoid decomposing bioxin under high temperature in cooling procedure
Synthesize again, this method can efficiently control the discharge of bioxin.Chilling technique is main with the following method：The dead poultry of diseases caused by dampness
Device is chopped into after into drying machine and the multistage device that smashes is broken for particle of the equivalent diameter for 8-20mm, and controls drying
Machine inner section flow velocity is in 4-6m/s, and heat exchange is cooled to less than 350 DEG C rapidly with the dead poultry particle of diseases caused by dampness.
(3) desiccation obtained by drying machine dies of illness poultry another way by conveying worm feeding dual temperature area pyrolysis oven, in low temperature
Area carries out pyrolysis charring, and subsequently into high-temperature region, now activated gas is entered in pyrolysis oven by the air inlet being located on body of heater,
Activation generation charcoal is carried out to low-temperature space pyrolysis product, charcoal finished product is sent into charcoal exhaust gas processing device, absorption tail gas
Middle pollutant.Pyrolysis oven byproduct be pyrolyzed caused by gas be sent into incinerator and burn, be both effectively utilized poultry of dying of illness can
Composition is fired, the treating capacity of tail gas can be reduced again；
(4) tail gas of drying machine is sent into incinerator after extracting a part of combustion air mixing, and this portion gas is not only able to
Warm-up combustion-supporting air, and combustion rate and flame temperature are reduced, temperature uniformity in combustion chamber can be improved,
Hot-spot is prevented, therefore efficiently avoid fuel coking and high temperature modification NOxGeneration；
(5) the tail gas another way of drying machine enters exhaust gas processing device, is emptied after two stage treatment.The first order is spray
Tower, the second level are charcoal adsorption tower；The absorbing liquid of spray column is alkali lye, and the waste liquid part that spray tower bottom comes out returns to spray
Tower is drenched, is partly into sewage disposal system；The filler of adsorption tower is charcoal.
The present invention realizes anhydration system power self-support, is burnt, is produced as fuel using the poultry of dying of illness after desiccation
Raw high-temperature tail gas directly for poultry desiccation of dying of illness provide needed for the energy；Died of illness poultry for desiccation more than needed, available for dying of illness
The preparation of the high value added products such as poultry charcoal；Creatively realize not by the addition of external heat, realize desiccation
System energy is self-supporting, and desiccation power self-support rate is up to more than 80%；Using poultry of dying of illness is dry, granulating integrated technology, by interior
The effect of portion's special component, system are surely run, without being separately provided prilling granulator, you can are directly obtained graininess desiccation and died of illness fowl
Poultry, reduces system investments, improves equipment reliability；Drying machine Nei bioxin control chilling technique, in poultry of dying of illness
In drying process, by special material distribution technique, high-temperature tail gas can be achieved and be dried poultry high intensity heat and mass of dying of illness
Process, high-temperature tail gas can be chilled to less than 350 DEG C rapidly by 850-1100 DEG C, effectively realize the generation control of Dui bioxin；Biology
Charcoal prepares the application in the recycling and system vent gas treatment of accessory substance, in charcoal preparation process simultaneously can generate liquid and
Gaseous high heating value byproduct, byproduct is introduced into incinerator burning, is effectively utilized the energy, and avoid secondary pollution.It is raw
Thing charcoal product is used for the processing of the system tail gas, fully demonstrates the treatment of wastes with processes of wastes against one another and technology concentrates complete set of advantage.
The beneficial effects of the invention are as follows：
(1) died of illness poultry using high-temperature tail gas convection drying, the low skill of the heat transfer efficiency of the poultry drying system that solves to die of illness
Art difficult point.
(2) using poultry of dying of illness is dry, granulating integrated technology, solve and be separately provided prilling granulator and need to build isolation
The problem of room, system investments are reduced, improve equipment reliability.
(3) advanced fluidized combustion technology is utilized, poultry desiccation energy partly self-supporting of dying of illness is solved, realizes energy saving of system
Consumption reduction problem.
(4) chilling technique built in system is utilized, solves easily to occur in poultry anhydration and incineration pyrolytic process of dying of illness secondary
The technological difficulties of pollution.
(5) prepare the reutilization technology of tail gas using poultry charcoal of dying of illness, solution die of illness poultry charcoal prepare in tail
The contamination control problem of gas.
Brief description of the drawings
Fig. 1 is the process chart of the specific embodiment of the invention.
Wherein, 1. circulating fluidized bed incinerator, 2. feed bins, 3. conveying worms, 4. fluid bed dryers, 5. pyrolysis ovens,
6. cyclone dust collectors, 7. siccative storehouses, 8. electric cleaners, 9. air-introduced machines, 10. spray columns, 11. adsorption towers.
Embodiment
1 to the embodiment of the present invention with being described further below in conjunction with the accompanying drawings.
In Fig. 1, system, which is formed, mainly includes circulating fluidized bed incinerator 1, fluid bed dryer 4, pyrolysis oven 5, spray column
10th, adsorption tower 11 and other auxiliary equipments.
The exhanst gas outlet of circulating fluidized bed incinerator 1 connects with fluid bed dryer 4, the offgas outlet of fluid bed dryer 4
Connected all the way with circulating fluidized bed incinerator 1, another way connects with exhaust gas processing device；The discharging opening of fluid bed dryer 4 according to
It is secondary connection cyclone dust collectors 6 and siccative storehouse 7 after, the charging aperture with charcoal pyrolysis oven 5 is connected all the way, another way with it is ciculation fluidized
The charging aperture connection of bed incinerator 1.The offgas outlet of charcoal pyrolysis oven 5 connects with circulating fluidized bed incinerator 1 simultaneously.Fluidisation
After the exhaust outlet of bed dryer 4 is sequentially connected cyclone dust collectors 6 and electric cleaner 8, incinerator is sent into by air-introduced machine 9 all the way,
Another way enters exhaust gas processing device.
Fluid bed dryer 4 is with shredding mechanism and multistage smashing device；Exhaust gas processing device is divided into two level, and the first order is spray
Tower 10 is drenched, the second level is charcoal adsorption tower 11；The waste liquid part that the bottom of spray column 10 comes out returns to spray column 10, another portion
Divide and enter sewage disposal system.
Charcoal pyrolysis oven is dual temperature area pyrolysis oven, carries out pyrolysis charring in low-temperature space, low-temperature space is pyrolyzed in high-temperature region
Product carries out activation generation charcoal.The feed bin for poultry of dying of illness connects by the charging aperture of conveying device and drying machine.
The handling process of poultry anhydration and incineration pyrolysis system of the present invention of dying of illness, its method are to be done using poultry of dying of illness
Change and burn thermal decomposition integrated, comprise the following steps that：
(1) poultry of dying of illness (moisture content 70%-80%) is hung to feed bin 2 by lifting machine, enters to become a mandarin by conveying worm 3
Change in bed dryer 4, in fluid bed dryer 4 after shredding mechanism and multistage smashing device and from Incineration in CFB
The tail gas direct contact heat transfer of stove 1, which is realized, to be dried, is granulated.
(2) the gained desiccation of fluid bed dryer 4 poultry of dying of illness is sent into circulating fluid-bed incinerator 1 by conveyer all the way,
Fluid bed dryer 4 is sent into after burning after caused high-temperature tail gas and air mixing temperature adjustment, progress is directly contacted with poultry of dying of illness
Dry, effectively raise heat transfer efficiency.
850-1100 DEG C of high-temperature tail gas caused by incinerator, fluidisation is entered after at least being stopped in the high-temperature region of incinerator 2 seconds
Bed dryer 4, the high-temperature tail gas is chilled to less than 350 DEG C after.The purpose is to avoid decomposing bioxin under high temperature cold
But synthesized again during, this method can efficiently control the discharge of bioxin.Chilling technique is main with the following method：It is wet
Poultry of dying of illness, which enters after drying machine, is broken up component and is broken for the particle that equivalent diameter is 8-20mm rapidly, and controls drying machine
Inner section flow velocity is in 4-6m/s, and heat exchange is cooled to less than 350 DEG C rapidly with the dead poultry particle of diseases caused by dampness.
(3) the gained desiccation of fluid bed dryer 4 poultry another way of dying of illness passes through conveyer and is sent into dual temperature area pyrolysis oven 5.It is first
First pyrolysis charring is carried out in low-temperature space；Subsequently into high-temperature region, now activated gas is entered by the air inlet being located on body of heater
In pyrolysis oven, activation generation charcoal is carried out to low-temperature space pyrolysis product, charcoal finished product is sent into adsorption tower 11, in absorption tail gas
Heavy metal ion is He bioxin.The byproduct of pyrolysis oven 5 is that gas feeding circulating fluidized bed incinerator 1 burns caused by pyrolysis, both
The combustible component for poultry of dying of illness is effectively utilized, avoids pollution emission environment again.
(4) fluid bed dryer 4 tail gas extract a part be sent into fluidized bed incinerator 1, fluidized bed incinerator 1 one,
2nd, combustion-supporting gas three times, is not only able to warm-up combustion-supporting air, and reduces combustion rate and flame temperature, Neng Gougai
Enter temperature uniformity in combustion chamber, prevent hot-spot, therefore efficiently avoid fuel coking and high temperature modification NOxLife
Into.(5) another way of the tail gas of fluid bed dryer 4 empties after two level vent gas treatment.The first order is spray column 10, and the second level is
Charcoal adsorption tower 11；The absorbing liquid of spray column 10 is alkali lye, and the waste liquid part that the bottom of spray column 10 comes out returns to spray column
10, it is partly into sewage disposal system；The filler of adsorption tower 11 is charcoal.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (2)
1. a kind of handling process for poultry anhydration and incineration pyrolysis system of dying of illness, it is characterized in that,
The poultry anhydration and incineration pyrolysis system of dying of illness includes：Incinerator, drying machine, charcoal pyrolysis oven and vent gas treatment are put；
The exhanst gas outlet of the incinerator connects with drying machine, drying machine tail gas outlet connect all the way with incinerator, another way and
Exhaust gas processing device leads to；
The discharging opening of the drying machine is sequentially connected cyclone dust collectors and siccative storehouse, and the discharging opening of drying machine is straight all the way through siccative storehouse
Connecing and connected with incinerator, another way connects with charcoal pyrolysis oven,
After the exhaust outlet of the drying machine is sequentially connected cyclone dust collectors and electric cleaner, it is sent into burns by air-introduced machine all the way
Stove, another way enters exhaust gas processing device, while the offgas outlet of charcoal pyrolysis oven connects with incinerator,
The drying machine is with shredding mechanism and multistage smashing device；
The charcoal pyrolysis oven is dual temperature area pyrolysis oven, carries out pyrolysis charring in low-temperature space, low-temperature space is pyrolyzed in high-temperature region
Product carries out activation generation charcoal, and manufactured charcoal enters exhaust gas processing device as adsorbent, heat after pyrolysis oven pyrolysis
Solve byproduct caused by stove and be sent into incinerator；
The exhaust gas processing device is divided into two level, and the first order is spray column, and the second level is charcoal adsorption tower, the spray column bottom
The waste liquid part that portion comes out returns to spray column, and another part enters sewage disposal system；
The handling process comprises the following steps：
(1) poultry of dying of illness is sent into shredding mechanism and the multistage drying machine drying-granulating for smashing device, diseases caused by dampness by conveying device
Dead poultry is crushed into the particle that equivalent diameter is 8-20mm after entering drying machine, and control drying machine inner section flow velocity is in 4-6m/
s；
(2) poultry of dying of illness of desiccation obtained by drying machine is sent into incinerator burning all the way, and another way is sent into pyrolysis oven pyrolysis；
(3) caused 850-1100 DEG C of high-temperature tail gas enters drying machine after at least stopping 2 seconds after incinerator burns, in incinerator
High-temperature region, with being dried poultry high intensity heat and mass of dying of illness, high-temperature tail gas is chilled to rapidly high-temperature tail gas by 850-1100 DEG C
Less than 350 DEG C；
(4) manufactured charcoal enters exhaust gas processing device as adsorbent after pyrolysis oven pyrolysis, byproduct caused by pyrolysis oven
It is sent into incinerator；
(5) tail gas caused by drying machine returns to incinerator all the way, and another way is sent into exhaust gas processing device.
2. a kind of handling process for poultry anhydration and incineration pyrolysis system of dying of illness as claimed in claim 1, it is characterized in that, die of illness fowl
The feed bin of poultry connects by the charging aperture of conveying device and drying machine.
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| CN107642780A (en) * | 2017-08-18 | 2018-01-30 | 侨银环保科技股份有限公司 | A kind of dead livestock and poultry innocent treatment equipment and its method |
| CN112337941A (en) * | 2020-09-27 | 2021-02-09 | 广西壮族自治区农业科学院 | Harmless treatment method for livestock and poultry died of diseases |
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| JP2004263972A (en) * | 2003-03-04 | 2004-09-24 | Tadashi Miyamoto | Oxygen free carbonization system and power generation system using this system |
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| CN1706916A (en) * | 2004-06-07 | 2005-12-14 | 徐浩 | Technological process and apparatus for converting organic waste into regenerated energy source |
| CN2787653Y (en) * | 2005-01-17 | 2006-06-14 | 吴桐 | Waste water and waste substance treatment integrated machine for slaughtering and meat processing plant |
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