CN104907317A - Integrated harmless dead livestock treatment system and process thereof - Google Patents
Integrated harmless dead livestock treatment system and process thereof Download PDFInfo
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- CN104907317A CN104907317A CN201510319584.3A CN201510319584A CN104907317A CN 104907317 A CN104907317 A CN 104907317A CN 201510319584 A CN201510319584 A CN 201510319584A CN 104907317 A CN104907317 A CN 104907317A
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- illness
- poultry
- dying
- incinerator
- drying device
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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
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention relates to an integrated harmless dead livestock treatment system and a process thereof. The integrated system comprises a drying device, an incinerating device, a pyrolysis device, a dust collection device, a tail gas treatment device and a circulating fan, wherein the air outlet of the incinerating device is connected with the air inlet of the drying device, the drying device is connected with the pyrolysis device and is connected with the dust collection device and the tail gas treatment device in sequence; the air outlet of the pyrolysis device is connected with the incinerating device. The system adopts a water wash and urea/H2O2 wet process as well as the desulfurization and denitration process and biological carbon adsorption process for combined treatment of the dried tail gas, not only is the easily water dissolved component absorbed, the usage of chemical reagent in subsequent treatment steps reduced, the temperature of reaction liquid lower and the work safety improved, and also SO2, H2S, NOx and NH3 gases can be removed simultaneously, ammonium sulfate can be recycled and no secondary pollution is caused.
Description
Technical field
The present invention relates to the processing technology field of poultry of dying of illness, particularly relate to one and to die of illness poultry minimizing, harmless treatment integrated system and technique thereof.
Background technology
China is livestock and poultry cultivation big country, cultivation scale is at the forefront in the world, in breeding process animal because of the problem death such as the adaptability of environment and disease be objective reality and inevitably, for dying of illness or the livestock and poultry of dysoemia and cutting offals thereof, scientifically innoxious process is carried out to it, become problem demanding prompt solution in current control and prevention of disease work.Present stage, dying of illness in poultry harmless treatment, applying more, more ripe technology and mainly contain " burn, bury, boil, pile " 4 kinds of methods.But 4 kinds of methods respectively have drawback: " burying " wastes soil very much, also easy polluted underground water; " boil " and a large amount of meat slag, high-concentration waste water and foul smell can be produced, easily produce secondary pollution; " heap " spent time is long, and very inapplicable to larger animal corpse; Treatment process relatively " burning " of advanced person processes poultry safety method thoroughly of dying of illness, but it is large to there is technology and equipment investment in it, operating cost is high, high-temperature flue gas such as fails to make full use of at the problem, how effectively by a common difficulty that innoxious for poultry of dying of illness, the current countries in the world of resource face." animal pyrolysis charring treatment technology " is under anaerobic, condition of normal pressure, adopts pyrolysis charring technique, makes the organic principle generation cracking in spoil, and effusion volatile materials also forms a kind of high temperature innoxious process for treating of solid carbide.
Invention (201310189412.X) discloses one and to die of illness harmful animal charing treatment process and device thereof, this invention carries out interior establishing in the RESEARCH OF PYROCARBON gasifying device of pyrolysis charring room and combustion chamber harmful animal anaerobic pyrolysis carbonization process of dying of illness, the harmful animal that dies of illness directly processes without the need to fragmentation, and harmful animal pyrolysis carbonization of dying of illness can be cementing in high temperature dehydration process, affect the heat-transfer effect of pyrolytic process, increase pyrolysis energy consumption and time, cause processing cost to increase.
Invention (201310643765.2) discloses the dead pig carbonization processing device of contiguous segmentation formula and technique, and this contrive equipment comprises combustion furnace, shredding mechanism, roller drier, retort, exhaust gas processing device etc.This system shredding mechanism is placed in isolation ward, and its exhaust gas processing device comprises cyclone separator and screen collector, has that floor space is large, vent gas treatment is thorough not, easily occurs secondary pollution problems.Therefore, develop a kind of set technique heat utilization efficiency high, the low even zero-emission of pollutant emission, final realize dying of illness that poultry is innoxious, minimizing, resource, there is important using value.
Summary of the invention
The object of this invention is to provide a kind of there is the advantages such as energy utilization rate is high, system synthesis operating cost is low, non-secondary pollution, whole processing procedure are succinct poultry minimizing of dying of illness, harmless treatment integrated system and technique thereof.
For achieving the above object, the present invention adopts following technical scheme:
One is died of illness poultry harmless treatment integrated system, comprising: drying device, incinerator, pyrolysis installation, dust arrester, exhaust gas processing device and circulating fan;
The exhanst gas outlet of described incinerator is communicated with drying device, and offgas outlet one tunnel of drying device is communicated with incinerator through dust arrester, circulating fan successively, and another road is communicated with exhaust gas processing device; Discharging opening one tunnel of drying device is directly communicated with incinerator, and another road is communicated with pyrolysis installation, and the offgas outlet of pyrolysis installation is communicated with incinerator simultaneously.
Described drying device is with shredding mechanism and the multistage fluid bed dryer shattering device.
Described exhaust gas processing device is divided into secondary, and the first order is spray column, and the second level is packed tower;
Bottom spray column, a waste liquid part out returns spray column, and another part enters sewage disposal system; Bottom packed tower, a waste liquid part out returns packed tower, and another part enters ammonium sulfate recovery system reclaim sulfuric acid ammonium.
Described dust arrester comprises the cyclone dust collectors and electric cleaner that connect successively.
A technique for poultry of dying of illness harmless treatment integrated system, comprises the following steps:
(1) poultry of dying of illness is sent into drying device by conveying device and is carried out drying-granulating, by controlling to die of illness the time of staying of poultry in drying device, poultry of dying of illness is dried to the moisture of setting;
(2) drying device gained mummification poultry one tunnel of dying of illness is sent into incinerator and is burned, and pyrolysis installation pyrolysis is sent on another road;
(3) high-temperature tail gas that incinerator produces after burning directly sends into drying device; The charcoal made after pyrolysis installation pyrolysis sends into exhaust gas processing device;
(4) dry moisture of separating out and the dry poultry particle of dying of illness of part are carried by the heat smoke in drying device, and after dust arrester, a part is taken out to draw by circulating fan and returned incinerator as Secondary Air, and another part discharges system after exhaust gas processing device;
(5) tail gas of pyrolysis installation returns incinerator as tertiary air, and charcoal is used as the filler of exhaust gas processing device.
In described step (2), described dried poultry temperature of dying of illness is 80 ~ 110 DEG C.
In described step (2), drying device gained mummification poultry 70 ~ 90% of dying of illness enters incinerator and burns, and 10 ~ 30% send into pyrolysis installation pyrolysis prepares charcoal.
In described step (3), produce the high-temperature tail gas of 850 ~ 1100 DEG C after incinerator burns, after the high-temperature region of incinerator stops setting-up time, enter drying device and be chilled to less than 350 DEG C.
Be crushed into the particle that equivalent diameter is 8-20mm after the dead poultry of diseases caused by dampness enters drying device, in control drying machine, cross sectional flow rate is at 4-6m/s, and the high-temperature tail gas produced after incinerator burns and the rapid heat exchange of diseases caused by dampness dead poultry particle are cooled to less than 350 DEG C.
In described step (4), the absorbing liquid urea of described packed tower and H
2o
2the mixed liquor of solution, the absorbing liquid of 70% ~ 90% is extracted out and is returned in packed tower bottom packed tower, and all the other enter ammonium sulfate recovery system reclaim sulfuric acid ammonium.
The present invention adopts washing, urea/H
2o
2wet method simultaneous SO_2 and NO removal technique and the dried tail gas of charcoal absorbing process Combined Treatment.Washing can by ingredient draws soluble in water in tail gas, can also for tail gas be except water for cooling, so not only by ingredient draws soluble in water, decrease the use of the chemical reagent in subsequent processing steps, and avoid sour gas and VOC gas and the tool strong oxidizing property problem too high with the temperature produced during alkaline spray solution generation chemical reaction, strengthen security during work.Urea/H
2o
2wet method simultaneous SO_2 and NO removal technique can remove SO simultaneously
2, H
2s, NO
xand NH
3deng gas, the absorbing liquid pH value of this technology is 5-9, reduce the corrosion to equipment, tail gas can directly discharge, absorbing liquid waste liquid is recyclable ammonium sulfate after treatment, the generation of non-secondary pollution, not only can control polluted articles discharge but also can resource be recycled, running use cost lower, is a technology with development prospect.Charcoal is the loose porous property material with high-specific surface area, high characterization of adsorption, it is used as filler, can adsorbs more harmful substance, achieve the recycling of poultry of dying of illness.
The invention has the beneficial effects as follows:
(1) utilize the reutilization technology of dried tail gas and pyrolysis tail gas, both improve the utilization rate of the energy, alleviate again the load of exhaust gas processing device, reduce integrated operation expense;
(2) urea/H is utilized
2o
2wet flue gas simultaneous SO_2 and NO removal technique, as tail gas treatment process, eliminates SO simultaneously
2and NO
xdeng gas, absorbing liquid is recyclable ammonium sulfate after treatment, avoids occurring secondary pollution;
(3) utilize poultry of dying of illness to prepare charcoal, charcoal, as the filler of exhaust gas processing device, achieves the recycling of poultry of dying of illness.
Accompanying drawing explanation
Fig. 1 is the process chart of the specific embodiment of the invention.
Wherein, 1. incinerator, 2. feed bin, 3. conveying device, 4. drying machine, 5. pyrolysis oven, 6. cyclone dust collectors, 7. siccative storehouse, 8. electric cleaner, 9. circulating fan, 10. water scrubber, 11. packed towers.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
In Fig. 1, one is died of illness poultry minimizing, harmless treatment set technique, drying machine 4 offgas duct is connected successively with cyclone dust collectors 6, electric cleaner 8, water scrubber 10 and packed tower 11, a tail gas part after dedusting is recycled blower fan 9 and takes out to draw and return incinerator 1, and another part is emptying after water scrubber 10 and packed tower 11; Siccative storehouse 7 is transported back together with the meal that dried die of illness poultry drying machine 4 discharging opening and cyclone dust collectors 6 are collected; Circulating fan 9 connects air outlet and the incinerator air inlet of dust arrester;
A waste liquid part for water scrubber 10 returns in water scrubber 10 through circulating pump, and all the other enter sewage disposal system; Dried poultry of dying of illness enters by siccative storehouse 7 major part poultry incinerator 1 of dying of illness and burns, and sub-fraction enters pyrolysis oven 5 and prepares charcoal; The tail gas of pyrolysis oven 5 returns incinerator 1.
Drying machine 4 is with shredding mechanism and the multistage fluid bed dryer shattering device;
Incinerator 1 is fluidized bed incinerator.
Pyrolysis oven 5 is two warm area pyrolysis ovens, and can pass into activated gas, carbonization-activation is disposable completing.
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 secondary, and the first order is water scrubber 10, and the second level is packed tower 11; The absorbing liquid of water scrubber 10 is water, and a tower bottom waste liquid part out returns water scrubber 10, and a part enters sewage disposal system; The absorbing liquid of packed tower 11 is urea and H
2o
2solution, a tower bottom waste liquid part out returns packed tower 11, and a part enters ammonium sulfate recovery system reclaim sulfuric acid ammonium.
A technique for poultry of dying of illness minimizing, harmless treatment set technique, can be used for process and to die of illness poultry.Its technological process is:
(1) poultry of dying of illness of moisture 70% ~ 80% by feed bin 2 after conveying device 3, enter with shredding mechanism and the multistage drying machine 4 shattering device, in drying machine 4 and from the flue gas direct contact heat transfer of incinerator 1, by controlling to die of illness the time of staying of poultry in drying machine 4, be dried to the moisture of requirement;
(2) dried poultry of dying of illness is discharged by drying machine 4 discharging opening, is delivered to siccative storehouse 7 together with the dry powder that first order dust arrester 6 is collected; Dried poultry temperature of dying of illness is 80 ~ 110 DEG C;
(3) the poultry one tunnel feeding incinerator 1 of dying of illness of siccative storehouse 7 storage burns, and the high-temperature flue gas after burning directly sends into drying machine 4; Another road feeding enters pyrolysis oven 5 and prepares charcoal;
The dry poultry 70 ~ 90% of dying of illness that siccative storehouse 7 stores enters incinerator and burns, and 10 ~ 30% send into pyrolysis oven 5 prepares charcoal;
850 ~ 1100 DEG C of high-temperature flue gas that incinerator produces, after the high-temperature region of incinerator at least stops 2 seconds, after high-temperature flue gas enters drying machine, this high-temperature flue gas is chilled to less than 350 DEG C.
Be crushed into the particle that equivalent diameter is 8-20mm after the dead poultry of diseases caused by dampness enters drying machine, in control drying machine, cross sectional flow rate is at 4-6m/s, and the high-temperature tail gas produced after incinerator burns and the rapid heat exchange of diseases caused by dampness dead poultry particle are cooled to less than 350 DEG C;
(4) dry moisture of separating out and the dry poultry particle of dying of illness of part are carried by the heat smoke in drying machine 4, after two-stage dust removal device, a part is taken out to draw by circulating fan 9 and is returned incinerator 1 as Secondary Air, and another part discharges system through water scrubber 10 and packed tower 11;
Flue-gas temperature after dust arrester process is 100 ~ 150 DEG C, and 50 ~ 70% to mix with air and send incinerator 1 back to, and surplus discharges system through exhaust gas processing device.
The absorbing liquid of packed tower 11 is mass concentration is (1 ~ 10%) urea+(0.05 ~ 0.5%) H
2o
2solution, urea/H
2o
2solution can eliminate H simultaneously
2s, SO
2deng sour gas and NO
xdeng alkaline gas.Urea/H
2o
2absorbing liquid is extracted (70 ~ 90) % out from tower bottom and is returned in packed tower 11, and residue (10 ~ 30) % enters ammonium sulfate recovery system reclaim sulfuric acid ammonium;
(5) tail gas of pyrolysis oven 5 returns incinerator 1, and charcoal is then used as the filler of packed tower 11.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. poultry of dying of illness a harmless treatment integrated system, is characterized in that, comprising: drying device, incinerator, pyrolysis installation, dust arrester, exhaust gas processing device and circulating fan;
The exhanst gas outlet of described incinerator is communicated with drying device, and offgas outlet one tunnel of drying device is communicated with incinerator through dust arrester, circulating fan successively, and another road is communicated with exhaust gas processing device; Discharging opening one tunnel of drying device is directly communicated with incinerator, and another road is communicated with pyrolysis installation, and the offgas outlet of pyrolysis installation is communicated with incinerator simultaneously.
2. one as claimed in claim 1 is died of illness poultry harmless treatment integrated system, and it is characterized in that, described drying device is with shredding mechanism and the multistage fluid bed dryer shattering device.
3. one as claimed in claim 1 is died of illness poultry harmless treatment integrated system, and it is characterized in that, described exhaust gas processing device is divided into secondary, and the first order is spray column, and the second level is packed tower;
Bottom spray column, a waste liquid part out returns spray column, and another part enters sewage disposal system; Bottom packed tower, a waste liquid part out returns packed tower, and another part enters ammonium sulfate recovery system reclaim sulfuric acid ammonium.
4. one as claimed in claim 1 is died of illness poultry harmless treatment integrated system, and it is characterized in that, described dust arrester comprises the cyclone dust collectors and electric cleaner that connect successively.
5. a technique for poultry harmless treatment integrated system of dying of illness as claimed in claim 1, is characterized in that, comprise the following steps:
(1) poultry of dying of illness is sent into drying device by conveying device and is carried out drying-granulating, by controlling to die of illness the time of staying of poultry in drying device, poultry of dying of illness is dried to the moisture of setting;
(2) drying device gained mummification poultry one tunnel of dying of illness is sent into incinerator and is burned, and pyrolysis installation pyrolysis is sent on another road;
(3) high-temperature tail gas that incinerator produces after burning directly sends into drying device; The charcoal made after pyrolysis installation pyrolysis sends into exhaust gas processing device;
(4) dry moisture of separating out and the dry poultry particle of dying of illness of part are carried by the heat smoke in drying device, and after dust arrester, a part is taken out to draw by circulating fan and returned incinerator as Secondary Air, and another part discharges system after exhaust gas processing device;
(5) tail gas of pyrolysis installation returns incinerator as tertiary air, and charcoal is used as the filler of exhaust gas processing device.
6. the technique of a kind of poultry harmless treatment integrated system of dying of illness as claimed in claim 5, it is characterized in that, in described step (2), described dried poultry temperature of dying of illness is 80 ~ 110 DEG C.
7. the technique of a kind of poultry harmless treatment integrated system of dying of illness as claimed in claim 5, it is characterized in that, in described step (2), drying device gained mummification poultry 70 ~ 90% of dying of illness enters incinerator and burns, and 10 ~ 30% send into pyrolysis installation pyrolysis prepares charcoal.
8. the technique of a kind of poultry harmless treatment integrated system of dying of illness as claimed in claim 5, it is characterized in that, in described step (3), the high-temperature tail gas of 850 ~ 1100 DEG C is produced after incinerator burns, after the high-temperature region of incinerator stops setting-up time, enter drying device and be chilled to less than 350 DEG C.
9. the technique of a kind of poultry harmless treatment integrated system of dying of illness as claimed in claim 5, it is characterized in that, the particle that equivalent diameter is 8-20mm is crushed into after the dead poultry of diseases caused by dampness enters drying device, in control drying machine, cross sectional flow rate is at 4-6m/s, and the high-temperature tail gas produced after incinerator burns and the rapid heat exchange of diseases caused by dampness dead poultry particle are cooled to less than 350 DEG C.
10. the technique of a kind of poultry harmless treatment integrated system of dying of illness as claimed in claim 5, is characterized in that, in described step (4), and the absorbing liquid urea of described packed tower and H
2o
2the mixed liquor of solution, the absorbing liquid of 70% ~ 90% is extracted out and is returned in packed tower bottom packed tower, and all the other enter ammonium sulfate recovery system reclaim sulfuric acid ammonium.
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| CN201510319584.3A CN104907317B (en) | 2015-06-11 | 2015-06-11 | One kind is died of illness poultry harmless treatment integrated system and its technique |
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| CN201510319584.3A CN104907317B (en) | 2015-06-11 | 2015-06-11 | One kind is died of illness poultry harmless treatment integrated system and its technique |
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| CN104907317A true CN104907317A (en) | 2015-09-16 |
| CN104907317B CN104907317B (en) | 2017-11-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524167A (en) * | 2016-11-17 | 2017-03-22 | 遵义市黔图农牧有限公司 | Recovery processing technology for sick and dead poultry |
| CN112403206A (en) * | 2020-11-17 | 2021-02-26 | 江苏绿都环境工程有限公司 | Flue gas ultralow emission system based on wet desulfurization and denitrification technology |
| CN114287387A (en) * | 2021-11-30 | 2022-04-08 | 浙江百奥迈斯生物科技股份有限公司 | Method for feeding fly maggots by using harmless treatment products of animals died of diseases |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114287387A (en) * | 2021-11-30 | 2022-04-08 | 浙江百奥迈斯生物科技股份有限公司 | Method for feeding fly maggots by using harmless treatment products of animals died of diseases |
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|---|---|
| CN104907317B (en) | 2017-11-24 |
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