CN104907317B - One kind is died of illness poultry harmless treatment integrated system and its technique - Google Patents

One kind is died of illness poultry harmless treatment integrated system and its technique Download PDF

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Publication number
CN104907317B
CN104907317B CN201510319584.3A CN201510319584A CN104907317B CN 104907317 B CN104907317 B CN 104907317B CN 201510319584 A CN201510319584 A CN 201510319584A CN 104907317 B CN104907317 B CN 104907317B
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China
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drying
incinerator
poultry
illness
dying
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CN201510319584.3A
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Chinese (zh)
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CN104907317A (en
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赵改菊
尹凤交
柴本银
王成运
李选友
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山东天力能源股份有限公司
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

Died of illness poultry harmless treatment integrated system and its technique the present invention relates to one kind, including:Drying device, incinerator, pyrolysis installation, dust arrester, exhaust gas processing device and circulating fan, wherein incinerator air outlet is connected with drying device air inlet, drying device is connected with pyrolysis installation, drying device is sequentially connected with dust arrester, exhaust gas processing device, and pyrolysis installation air outlet is connected with incinerator;The present invention is using washing, urea/H2O2Wet method simultaneous SO_2 and NO removal technique and the dried tail gas of charcoal absorbing process Combined Treatment, not only by ingredient draws soluble in water, reduce the use of the chemical reagent in subsequent processing steps, reduce reacting liquid temperature, increase the security of work, SO can also be removed simultaneously2、H2S、NOxAnd NH3Deng gas, also recyclable ammonium sulfate, the generation of non-secondary pollution.

Description

One kind is died of illness poultry harmless treatment integrated system and its technique

Technical field

The present invention relates to the processing technology field for poultry of dying of illness, more particularly to one kind is died of illness poultry minimizing, innoxious place Manage integrated system and its technique.

Background technology

China is livestock and poultry cultivation big country, cultivation scale it is at the forefront in the world, in breeding process animal because environment adaptability with And the death of the problems such as disease is objective reality and inevitably, for dying of illness or the livestock and poultry of dysoemia and its butchering discarded Thing, innoxious processing is scientifically carried out to it, urgent problem to be solved in being worked into current control and prevention of disease.At this stage, exist In poultry of dying of illness harmless treatment, the technology that application is more, more ripe mainly has " burn, bury, boiling, heap " 4 kinds of methods.But 4 kinds of sides Method respectively has drawback:" burying " wastes very much soil, also easy polluted underground water;" boiling " can produce a large amount of meat slags, high-concentration waste water and smelly Gas, easily produce secondary pollution;" heap " spent time is long, and very inapplicable to larger animal corpse;Handling process is relatively first " burning " entered is to handle poultry safety thoroughly method of dying of illness, but it has technology and equipment investment greatly, and operating cost is high, high temperature The problems such as flue gas fails to make full use of, how effectively by poultry of dying of illness is innoxious, the current countries in the world of recycling face one Individual common difficulty." animal pyrolysis charring treatment technology " is under anaerobic, condition of normal pressure, using pyrolysis charring technique, makes animal Organic principle in corpse cracks, and escapes volatile materials and forms a kind of high temperature harmless treatment skill of solid carbide Art.

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

It is an object of the invention to provide one kind have energy utilization rate is high, system integrated operation cost is low, non-secondary pollution, Poultry minimizing of dying of illness, harmless treatment integrated system and its technique for the advantages that entirely processing procedure is succinct.

To achieve the above object, the present invention adopts the following technical scheme that:

One kind is died of illness poultry harmless treatment integrated system, including:Drying device, incinerator, pyrolysis installation, dedusting dress Put, exhaust gas processing device and circulating fan;

The exhanst gas outlet of the incinerator connects with drying device, and the offgas outlet of drying device is all the way successively by removing Dirt device, circulating fan connect with incinerator, and another way connects with exhaust gas processing device;The discharging opening of drying device is straight all the way Connect and connected with incinerator, another way connects with pyrolysis installation, while the offgas outlet of pyrolysis installation connects with incinerator.

The drying device is with shredding mechanism and the multistage fluid bed dryer for smashing device.

The exhaust gas processing device is divided into two level, and the first order is spray column, and the second level is packed tower;

Spray the waste liquid part that tower bottom comes out and return to spray column, another part enters sewage disposal system;Packed tower The waste liquid part that bottom comes out returns to packed tower, and another part enters ammonium sulfate recovery system recovery ammonium sulfate.

The dust arrester includes the cyclone dust collectors and electric cleaner being sequentially connected.

A kind of technique for poultry harmless treatment integrated system of dying of illness, comprises the following steps:

(1) poultry of dying of illness is sent into drying device by conveying device and granulation is dried, and dies of illness poultry in drying by control Residence time in device, poultry of dying of illness is dried to the moisture of setting;

(2) poultry of dying of illness of desiccation obtained by drying device is sent into incinerator burning all the way, and another way is sent into pyrolysis installation heat Solution;

(3) caused high-temperature tail gas is sent directly into drying device after incinerator burns;Made of after pyrolysis installation pyrolysis Charcoal is sent into exhaust gas processing device;

(4) dry the dry poultry particle of dying of illness of the moisture separated out and part to be carried by the heat smoke in drying device, removing dust After device, a part is drawn by circulating fan and returns to incinerator as Secondary Air, and another part is through exhaust gas processing device heel row Go out system;

(5) tail gas of pyrolysis installation returns to incinerator as tertiary air, and charcoal is used as the filler of exhaust gas processing device.

In the step (2), the dried poultry temperature of dying of illness is 80~110 DEG C.

In the step (2), the poultry 70~90% of dying of illness of desiccation obtained by drying device enters incinerator and burned, and 10~30% It is sent into pyrolysis installation pyrolysis and prepares charcoal.

In the step (3), incinerator produces 850~1100 DEG C of high-temperature tail gas after burning, in the height of incinerator After warm area stops setting time, less than 350 DEG C are chilled into drying device.

The dead poultry of diseases caused by dampness is crushed into the particle that equivalent diameter is 8-20mm after entering drying device, is cut in control drying machine Heat exchange is cooled to 350 DEG C to caused high-temperature tail gas to surface current speed rapidly with the dead poultry particle of diseases caused by dampness after 4-6m/s, incinerator burning Below.

In the step (4), the absorbing liquid urea and H of the packed tower2O2The mixed liquor of solution, 70%~90% suction Receive liquid to extract out in return packed tower from filler tower bottom, remaining enters ammonium sulfate recovery system recovery ammonium sulfate.

The present invention is using washing, urea/H2O2Wet method simultaneous SO_2 and NO removal technique and charcoal absorbing process Combined Treatment are done Tail gas after dry.Washing can be by ingredient draws soluble in water in tail gas, moreover it is possible to, so not only will be easy for tail gas water removal cooling Be dissolved in the ingredient draws of water, reduce the use of the chemical reagent in subsequent processing steps, and avoid sour gas and VOC gas and temperature caused by the spray solution of tool strong oxidizing property and alkalescence generation chemical reaction are too high The problem of, strengthen security during work.Urea/H2O2Wet method simultaneous SO_2 and NO removal technique can remove SO simultaneously2、H2S、 NOxAnd NH3Deng gas, the absorbing liquid pH value of the technology is 5-9, reduces the corrosion to equipment, and tail gas can be discharged directly, is absorbed Liquid waste liquid recyclable ammonium sulfate after processing, the generation of non-secondary pollution, the discharge and can of pollutant both can control to recycle Resource, operation use cost is relatively low, is a technology with development prospect.Charcoal is with high-specific surface area, high absorption The loose porous property material of characteristic, so it is used as filler, more harmful substances can be adsorbed, realize the resource for poultry of dying of illness Change and utilize.

The beneficial effects of the invention are as follows:

(1) using drying tail gas and being pyrolyzed the reutilization technology of tail gas, the utilization rate of the energy had both been improved, has alleviated tail again The load of Flash Gas Compression Skid System, reduce integrated operation expense;

(2) urea/H is utilized2O2Wet flue gas simultaneous SO_2 and NO removal technique eliminates SO as tail gas treatment process2With NOxDeng gas, absorbing liquid recyclable ammonium sulfate after processing, secondary pollution is avoided the occurrence of;

(3) charcoal is prepared using poultry of dying of illness, filler of the charcoal as exhaust gas processing device, realizes poultry of dying of illness Recycling.

Brief description of the drawings

Fig. 1 is the process chart of the specific embodiment of the invention.

Wherein, 1. incinerator, 2. feed bins, 3. conveying devices, 4. drying machines, 5. pyrolysis ovens, 6. cyclone dust collectors, 7. siccatives Storehouse, 8. electric cleaners, 9. circulating fans, 10. water scrubbers, 11. packed towers.

Embodiment

The invention will be further described with embodiment below in conjunction with the accompanying drawings.

In Fig. 1, one kind is died of illness poultry minimizing, harmless treatment set technique, the offgas duct of drying machine 4 and cyclone dust collectors 6th, electric cleaner 8, water scrubber 10 and packed tower 11 are sequentially connected, and the tail gas part after dedusting is drawn return by circulating fan 9 Incinerator 1, another part empty after water scrubber 10 and packed tower 11;Dried poultry of dying of illness through the discharging opening of drying machine 4 and The coarse powder that cyclone dust collectors 6 are collected transports siccative storehouse 7 back together;Circulating fan 9 connects the air outlet of dust arrester and incinerator enters Air port;

A waste liquid part for water scrubber 10 is returned in water scrubber 10 through circulating pump, and remaining enters sewage disposal system;Dry Poultry of dying of illness afterwards is burned by the most of poultry incinerator 1 of dying of illness that enters in siccative storehouse 7, and sub-fraction enters pyrolysis oven 5 and prepares life Thing charcoal;The tail gas of pyrolysis oven 5 returns to incinerator 1.

Drying machine 4 is with shredding mechanism and the multistage fluid bed dryer for smashing device;

Incinerator 1 is fluidized bed incinerator.

Pyrolysis oven 5 is dual temperature area pyrolysis oven, can be passed through activated gas, and carbonization-activation is completed to be disposable.

Dust arrester is two-stage dust removal, and the first order is cyclone dust collectors 6, and the second level is electric cleaner 8.

Exhaust gas processing device is two level, and the first order is water scrubber 10, and the second level is packed tower 11;The absorbing liquid of water scrubber 10 For water, the waste liquid part that tower bottom comes out returns to water scrubber 10, is partly into sewage disposal system;The absorption of packed tower 11 Liquid is urea and H2O2Solution, the waste liquid part that tower bottom comes out return to packed tower 11, are partly into ammonium sulfate recovery system Reclaim ammonium sulfate.

A kind of poultry minimizing of dying of illness, the technique of harmless treatment set technique, died of illness poultry available for processing.Its work Skill flow is:

(1) aqueous 70%~80% poultry of dying of illness by feed bin 2 after conveying device 3, into shredding mechanism and more Level smashes the drying machine 4 of device, in the drying machine 4 and the flue gas direct contact heat transfer from incinerator 1, is died of illness fowl by control The residence time in drying machine 4 is raiseeed, is dried to desired moisture;

(2) dried poultry of dying of illness is discharged by the discharging opening of drying machine 4, the dry powder one collected with first order dust arrester 6 Rise and be delivered to siccative storehouse 7;Dried poultry temperature of dying of illness is 80~110 DEG C;

(3) poultry of dying of illness that siccative storehouse 7 stores is sent into incinerator 1 and burned all the way, and the high-temperature flue gas after burning is sent directly into Drying machine 4;Another way is sent into pyrolysis oven 5 and prepares charcoal;

The dry poultry 70~90% of dying of illness that siccative storehouse 7 stores enters incinerator and burned, prepared by 10~30% feeding pyrolysis ovens 5 Charcoal;

850~1100 DEG C of high-temperature flue gas caused by incinerator, after at least stopping 2 seconds in the high-temperature region of incinerator, high temperature cigarette The high-temperature flue gas is chilled to less than 350 DEG C after gas enters drying machine.

The dead poultry of diseases caused by dampness is crushed into the particle that equivalent diameter is 8-20mm after entering drying machine, controls drying machine inner section Flow velocity in 4-6m/s, after incinerator burns caused high-temperature tail gas and the dead poultry particle of diseases caused by dampness rapidly heat exchange be cooled to 350 DEG C with Under;

(4) dry the dry poultry particle of dying of illness of the moisture separated out and part to be carried by the heat smoke in drying machine 4, removed through two level After dirt device, a part is drawn by circulating fan 9 and returns to incinerator 1 as Secondary Air, and another part is through water scrubber 10 and filler The discharge system of tower 11;

Flue-gas temperature after the processing of removing dust device is 100~150 DEG C, and 50~70% mix with air and send incinerator 1 back to, Surplus is through exhaust gas processing device discharge system.

The absorbing liquid of packed tower 11 is that mass concentration is (1~10%) urea+(0.05~0.5%) H2O2Solution, urea/ H2O2Solution can eliminate H simultaneously2S、SO2Deng sour gas and NOxDeng alkaline gas.Urea/H2O2Absorbing liquid is taken out from tower bottom Go out (70~90) % to return in packed tower 11, residue (10~30) % enters ammonium sulfate recovery system recovery ammonium sulfate;

(5) tail gas of pyrolysis oven 5 returns to incinerator 1, and charcoal is then used as the filler of packed tower 11.

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 (1)

1. a kind of technique for poultry harmless treatment integrated system of dying of illness, it is characterized in that,
The poultry harmless treatment integrated system of dying of illness of the technique application, including:Drying device, incinerator, pyrolysis installation, Dust arrester, exhaust gas processing device and circulating fan;
The exhanst gas outlet of the incinerator connects with drying device, and the offgas outlet of drying device fills by dedusting successively all the way Put, circulating fan connects with incinerator, another way connects with exhaust gas processing device;The discharging opening of drying device all the way directly with Incinerator connects, and another way connects with pyrolysis installation, while the offgas outlet of pyrolysis installation connects with incinerator;
The drying device is with shredding mechanism and the multistage fluid bed dryer for smashing device;
The exhaust gas processing device is divided into two level, and the first order is spray column, and the second level is packed tower;
Spray the waste liquid part that tower bottom comes out and return to spray column, another part enters sewage disposal system;Filler tower bottom A waste liquid part out returns to packed tower, and another part enters ammonium sulfate recovery system recovery ammonium sulfate;
The dust arrester includes the cyclone dust collectors and electric cleaner being sequentially connected;
The technique comprises the following steps:
(1) poultry of dying of illness is sent into drying device by conveying device and granulation is dried, and dies of illness poultry in drying device by control The interior residence time, poultry of dying of illness is dried to the moisture of setting;
(2) poultry of dying of illness of desiccation obtained by drying device is sent into incinerator burning all the way, and another way is sent into pyrolysis installation pyrolysis;
(3) caused high-temperature tail gas is sent directly into drying device after incinerator burns;Manufactured biology after pyrolysis installation pyrolysis Charcoal is sent into exhaust gas processing device;
(4) dry the dry poultry particle of dying of illness of the moisture separated out and part to be carried by the heat smoke in drying device, removing dust device Afterwards, a part is drawn by circulating fan and returns to incinerator as Secondary Air, and another part discharges system after exhaust gas processing device System;
(5) tail gas of pyrolysis installation returns to incinerator as tertiary air, and charcoal is used as the filler of exhaust gas processing device;
In the step (2), the dried poultry temperature of dying of illness is 80~110 DEG C;
In the step (2), the poultry 70~90% of dying of illness of desiccation obtained by drying device enters incinerator and burned, and 10~30% are sent into Pyrolysis installation pyrolysis prepares charcoal;
In the step (3), incinerator produces 850~1100 DEG C of high-temperature tail gas after burning, in the high-temperature region of incinerator After stopping setting time, less than 350 DEG C are chilled into drying device;
The dead poultry of diseases caused by dampness is crushed into the particle that equivalent diameter is 8-20mm after entering drying device, controls drying machine inner section stream Heat exchange is cooled to less than 350 DEG C to caused high-temperature tail gas to speed rapidly with the dead poultry particle of diseases caused by dampness after 4-6m/s, incinerator burning;
In the step (4), the absorbing liquid urea and H of the packed tower2O2The mixed liquor of solution, 70%~90% absorbing liquid Extract out and returned in packed tower from filler tower bottom, remaining enters ammonium sulfate recovery system recovery ammonium sulfate.
CN201510319584.3A 2015-06-11 2015-06-11 One kind is died of illness poultry harmless treatment integrated system and its technique CN104907317B (en)

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CN106524167B (en) * 2016-11-17 2018-08-21 遵义市黔图农牧有限公司 Recycling processing technology for the fowl that dies of illness

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JP2007204563A (en) * 2006-01-31 2007-08-16 Miura Co Ltd Apparatus for carbonization treatment and method of carbonization treatment
CN101813316B (en) * 2010-04-19 2011-07-27 山东天力干燥股份有限公司 Municipal sludge drying and incineration system and treatment process thereof
CN103264037B (en) * 2013-04-16 2015-06-17 浙江布莱蒙农业科技股份有限公司 Treatment process of livestock died of epidemic diseases
CN103736710B (en) * 2013-12-05 2016-03-30 浙江省农业科学院 The dead pig carbonization processing device of contiguous segmentation formula and technique
CN103964656B (en) * 2014-04-30 2015-11-18 山东天力干燥股份有限公司 A kind of municipal sludge minimizing, innocuity disposal system and treatment process
CN204769831U (en) * 2015-06-11 2015-11-18 山东天力干燥股份有限公司 Birds that dies of illness poultry innocent treatment integrated system

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Address after: 250101 Shandong city of Ji'nan province high tech Zone Shun Road No. 2000 Shun Tai Plaza No. 2 building 15 room 1501

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