CN104628424A - Method for harmlessly treating plague-infected animal tissues - Google Patents
Method for harmlessly treating plague-infected animal tissues Download PDFInfo
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- CN104628424A CN104628424A CN201510013092.1A CN201510013092A CN104628424A CN 104628424 A CN104628424 A CN 104628424A CN 201510013092 A CN201510013092 A CN 201510013092A CN 104628424 A CN104628424 A CN 104628424A
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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
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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Abstract
The invention discloses a method for harmlessly treating plague-infected animal tissues by using an alkaline hydrolysis mode. The method comprises the following steps: (1) weighing plague-infected animal tissues, and putting the plague-infected animal tissues into a reaction container; (2) adding water and alkali into the reaction container in proportions; (3) heating the reaction container, firstly performing stirring-free alkaline hydrolysis to soften the tissues, and then performing hydrolysis while stirring to crush the tissues; (6) dehydrating and condensing a hydrolysis product; and (7) discharging the product, and recycling. By adopting the method disclosed by the invention, vast majority of pathogenic microorganisms can be inactivated, sterilization and decomposition processes can also be completed, and secondary operations can be avoided; air and water cannot be polluted in an implementation process of the method, and high biological safety can be achieved; and a dehydration product can be taken as a biological fertilizer or a compost additive, and the recycling utilization of resources can be achieved.
Description
Technical field
The present invention relates to an epidemic-infected animal tissue treatment methods technical field, more particularly, relate to a kind of method utilizing basic hydrolysis mode harmless treatment epidemic-infected animal tissue.
Background technology
China is the country that mortality of livestock is higher, a large amount of epidemic-infected animal corpse also exists and propagates epidemic disease, threatens the potential hazard such as food safety, contaminate environment, traditional treatment process comprise directly bury, burn, the mode such as oil refining, wherein, method of burying exists cannot the thorough problem such as inactivation of pathogenic microorganism, land occupation, pollution underground environment; Although burning method is thorough to carcase process, can the obnoxious flavoures such as Dioxins be discharged in burning process, bring a large amount of pollution to air; Oil-refining method requires special refining equipment, and oil refining process can not kill some pathogenic agent such as Protein virus, and use range is limited.
Except this, China's biocontainment laboratory have also been developed the laboratory animal containing pathogenic micro-organism is cut into slices, the conventional treatment process of organ, corpse, but it is not enough also to there is self: the temperature 121 DEG C used now, the conventional high-pressure sterilising treatment of 30 minutes time cannot ensure that epidemic-infected animal tissue is by thorough disinfection, and need to be transported to other places and do disaggregating treatment, the sterilizing Sum decomposition process of animal tissues is carried out respectively, adds the risk and cost of transport and secondary treatment.
Therefore, study a kind of environmental protection and economy, sterilization capability is strong, Biosafety is high treatment process is the problem that those skilled in the art need solution badly to meet the actual demand of epidemic-infected animal corpse and laboratory wastes harmless treatment.
Summary of the invention
In view of the above problems, main purpose of the present invention is to provide a kind of method utilizing basic hydrolysis mode process epidemic-infected animal tissue, and described method is innoxious, can effectively inactivation of pathogenic microorganism, environmental protection and economy and product recoverable.
For realizing above object, the present invention by the following technical solutions: a kind of method utilizing basic hydrolysis mode harmless treatment epidemic-infected animal tissue, comprises the following steps:
(1) weighed by epidemic-infected animal tissue and put into reaction vessel, described reaction vessel is can pressure-bearing encloses container, and bearing capacity is greater than 0.5MPa;
(2) in reaction vessel, add water and alkali in proportion, the weight adding water is 25% ~ 50% of animal tissues's weight, and the weight adding alkali is 5% ~ 20% of the weight of water;
(3) under the pressure of at least 0.2MPa, heat, make internal tank temperature reach 110 DEG C ~ 150 DEG C to reaction vessel, the first full hydrolysis carrying out without stirring to animal tissues, the described hydrolysis time without stirring is 0.5 ~ 3 hour, softening tissue; Then animal tissues is had to the hydrolysis of stirring, described in have the hydrolysis time of stirring to be 3 ~ 9 hours, disrupting tissue, until pathogenic micro-organism complete inactivation, animal tissues's complete hydrolysis;
(4) dewater and condensation to the animal tissues after complete hydrolysis and alkali lye, the time of described dehydration and condensation is 3 ~ 12 hours, until liquid becomes solid.
(5) reaction vessel is cooled, after temperature is lower than 70 DEG C, solid product is discharged.
Further, the described epidemic-infected animal tissue laboratory animal comprised containing pathogenic micro-organism is cut into slices, organ, corpse, epidemic-infected animal corpse and movement thereof, epidemic-infected animal product.
Further, step (1) described reaction vessel has whipping appts in establishing, and described whipping appts comprises stir shaft, stirring rake and agitator motor.
Further, alkali described in step (2) be alkali metal hydroxide, alkaline earth metal hydroxides one or more.
Further, the type of heating of step (3) described reaction vessel is turning oil heating or steam heating.
Further, step (3) described stirring is completed by described whipping appts, and whipped form comprises compartment and stirs and continuously stirring, and the broken softening animal tissues of stirring action, strengthens the interaction of animal tissues and alkali lye.
Further, the pathogenic micro-organism be inactivated described in step (3) comprises prions, parasite, fungi, bacterium, spirochete, mycoplasma, rickettsia, chlamydozoan or virus.
The inventive method has the following advantages:
(1) energy deactivation comprises all encountered pathogenic microorganisms of protein virus, and can process the tissue of low-activity pollution, and biological safety is high.
(2) sterilizing Sum decomposition is attached in a process, avoids the cost and risk of transport and secondary treatment.
(3) do not produce the obnoxious flavoures such as Dioxins and public refuse, treating processes can not pollute empty G&W, environmental protection.
(4) be rich in nutritive substance in product, can be used as bio-feritlizer or compost additive after treatment, realize the recycling of resource.
Embodiment
In order to more deep understanding technical scheme of the present invention, set forth the present invention further below in conjunction with specific examples.
Embodiment 1
A kind of method utilizing basic hydrolysis mode harmless treatment epidemic-infected animal tissue
(1) epidemic-infected animal tissue weighed and put into reaction vessel, the described epidemic-infected animal tissue laboratory animal comprised containing pathogenic micro-organism is cut into slices, organ, corpse, epidemic-infected animal corpse and movement thereof, epidemic-infected animal product.Described reaction vessel is can pressure-bearing encloses container, and bearing capacity is greater than 0.5MPa, and have whipping appts and gravity measure device in container, outside of containers has chuck, and whipping appts comprises stir shaft, stirring rake and agitator motor, the preferred Horizontal stirring axle of stir shaft.The gravity measure device in reaction vessel is used to weigh.
(2) in reaction vessel, add water and alkali in proportion, described alkali be alkali metal hydroxide, alkaline earth metal hydroxides one or more, in the present embodiment, alkali is preferably sodium hydroxide or potassium hydroxide.The weight adding water is 25% ~ 50% of animal tissues's weight, and preferred proportion is 30%.The weight adding alkali is 5% ~ 20% of the weight of water, and preferred proportion is 15%.
(3) reaction vessel is heated, make internal tank temperature reach 110 DEG C ~ 150 DEG C, and be maintained until animal tissues's hydrolysis completely.The type of heating of described reaction vessel comprises turning oil heating, steam heating and electrically heated, and in the present embodiment, the heating of preferred cycle oil, realizes heat-processed by passing into deep fat in the chuck of outside of containers.The heating of described reaction vessel is carried out under the pressure of at least 0.2MPa.The temperature that in the present embodiment, internal tank maintains is preferably 150 DEG C, heats and carries out under the pressure of 0.5MPa.
(4) carry out the hydrolysis without stirring to animal tissues, softening tissue, the described hydrolysis time without stirring is 0.5 ~ 3 hour, is preferably 1 hour in the present embodiment.
(5) animal tissues is had to the hydrolysis of stirring, disrupting tissue, described in have the hydrolysis time of stirring to be 3 ~ 9 hours, be preferably 3 hours in the present embodiment.Described stirring is completed by whipping appts, and whipped form comprises compartment and stirs and continuously stirring, in 1st ~ 2 hours, has to stir to be hydrolyzed to adopt and stirs at interval of stirring in the 30 minutes compartment of 15 minutes; In 3rd hour, have and stir hydrolysis employing continuously stirring, agitator shaft speed is at 1 ~ 10r/min.The broken softening animal tissues of stirring action, strengthens the interaction of animal tissues and alkali lye.The hydrolysis of stirring is had to proceed to until pathogenic micro-organism complete inactivation, animal tissues's complete hydrolysis.The described pathogenic micro-organism be inactivated comprises prions, parasite, fungi, bacterium, spirochete, mycoplasma, rickettsia, chlamydozoan, virus.
(6) animal tissues after complete hydrolysis and alkali lye are dewatered and condensation, until liquid becomes solid.The time of described dehydration and condensation is 3 ~ 12 hours, is preferably 6 hours in the present embodiment.Dehydration and the condensing chamber of condensation process in reaction vessel complete, and the water content of the solid product after dehydration is less than 20%.
(7) discharged by solid product, exhaust temperature is below 70 DEG C.Solid product contains the nutritive substances such as nitrogen, phosphorus, potassium, can be used as bio-feritlizer or compost additive recycling.
Finally should understand, above embodiment is only not used in for illustration of the present invention and limits the scope of the invention, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is modified or equivalent replacement, and do not depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of right of the present invention.
Claims (7)
1. a method for harmless treatment epidemic-infected animal tissue, is characterized in that, comprises the following steps:
(1) weighed by epidemic-infected animal tissue and put into reaction vessel, described reaction vessel is can pressure-bearing encloses container, and bearing capacity is greater than 0.5Mpa;
(2) in reaction vessel, add water and alkali in proportion, the weight adding water is 25% ~ 50% of animal tissues's weight, and the weight adding alkali is 5% ~ 20% of the weight of water;
(3) under the pressure of 0.2MPa-0.5MPa, heating reaction vessel, make internal tank temperature reach 110 DEG C ~ 150 DEG C, first carrying out the hydrolysis without stirring to animal tissues, is 0.5 ~ 3 hour without the hydrolysis time stirred, softening tissue; Then animal tissues is had to the hydrolysis of stirring, have the hydrolysis time of stirring to be 3 ~ 9 hours, disrupting tissue, until pathogenic micro-organism complete inactivation, animal tissues's complete hydrolysis;
(4) dewater and condensation to the animal tissues after complete hydrolysis and alkali lye, the time of described dehydration and condensation is 3 ~ 12 hours, until liquid becomes solid;
(5) reaction vessel is cooled, after temperature is lower than 70 DEG C, solid product is discharged.
2. according to the method for a kind of harmless treatment epidemic-infected animal tissue according to claim 1, it is characterized in that: the described epidemic-infected animal tissue laboratory animal comprised containing pathogenic micro-organism is cut into slices, organ, corpse, epidemic-infected animal corpse and movement thereof or epidemic-infected animal product.
3. the method for a kind of harmless treatment epidemic-infected animal tissue according to claim 1, is characterized in that: in described step (2) alkali be alkali metal hydroxide, alkaline earth metal hydroxides one or more.
4. the method for a kind of harmless treatment epidemic-infected animal tissue according to claim 1, is characterized in that: in described step (3), the type of heating of reaction vessel is turning oil heating or steam heating.
5. a kind of method utilizing basic hydrolysis mode process epidemic-infected animal tissue according to claim 1, it is characterized in that: in described step (3), reaction vessel has whipping appts in establishing, and described whipping appts comprises stir shaft, stirring rake and agitator motor.
6. the method for a kind of harmless treatment epidemic-infected animal tissue according to claim 1, is characterized in that: in described step (3), whipped form comprises compartment stirring and continuously stirring.
7. the method for a kind of harmless treatment epidemic-infected animal tissue according to claim 1, is characterized in that: the pathogenic micro-organism be inactivated in described step (3) comprises prions, parasite, fungi, bacterium, spirochete, mycoplasma, rickettsia, chlamydozoan or virus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510013092.1A CN104628424A (en) | 2015-01-09 | 2015-01-09 | Method for harmlessly treating plague-infected animal tissues |
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| CN201510013092.1A CN104628424A (en) | 2015-01-09 | 2015-01-09 | Method for harmlessly treating plague-infected animal tissues |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105367147A (en) * | 2015-11-09 | 2016-03-02 | 博白县动物无害化处理中心 | Harmless processing method for diseased dead pigs |
| CN105694907A (en) * | 2016-03-15 | 2016-06-22 | 湛江市博泰生物化工科技实业有限公司 | Method for preparing soil conditioner from diseased animals or inedible meat products |
| CN107254319A (en) * | 2017-06-26 | 2017-10-17 | 连晓华 | A kind of saline-alkali land soil conditioner and preparation method |
| CN108617858A (en) * | 2017-03-21 | 2018-10-09 | 刘和平 | A kind of swill treatment process |
| CN111036358A (en) * | 2019-12-24 | 2020-04-21 | 河北工业职业技术学院 | Harmless treatment device and method for biological waste |
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| KR20020006548A (en) * | 2002-01-02 | 2002-01-19 | 김찬홍 | Amino acid liquid fertilizer |
| CN102069087A (en) * | 2010-12-30 | 2011-05-25 | 青岛欧特尔生物安全技术有限公司 | Fixed safety disposal device for animals with diseases by alkaline degradation |
| CN202045121U (en) * | 2011-02-21 | 2011-11-23 | 全勇 | Equipment for treating body of pathogen-infected animal through chemical harmless method |
| CN103495588A (en) * | 2013-09-11 | 2014-01-08 | 何玉萍 | Carcass processing method capable of resource recycling |
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2015
- 2015-01-09 CN CN201510013092.1A patent/CN104628424A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020006548A (en) * | 2002-01-02 | 2002-01-19 | 김찬홍 | Amino acid liquid fertilizer |
| CN102069087A (en) * | 2010-12-30 | 2011-05-25 | 青岛欧特尔生物安全技术有限公司 | Fixed safety disposal device for animals with diseases by alkaline degradation |
| CN202045121U (en) * | 2011-02-21 | 2011-11-23 | 全勇 | Equipment for treating body of pathogen-infected animal through chemical harmless method |
| CN103495588A (en) * | 2013-09-11 | 2014-01-08 | 何玉萍 | Carcass processing method capable of resource recycling |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105367147A (en) * | 2015-11-09 | 2016-03-02 | 博白县动物无害化处理中心 | Harmless processing method for diseased dead pigs |
| CN105694907A (en) * | 2016-03-15 | 2016-06-22 | 湛江市博泰生物化工科技实业有限公司 | Method for preparing soil conditioner from diseased animals or inedible meat products |
| CN108617858A (en) * | 2017-03-21 | 2018-10-09 | 刘和平 | A kind of swill treatment process |
| CN107254319A (en) * | 2017-06-26 | 2017-10-17 | 连晓华 | A kind of saline-alkali land soil conditioner and preparation method |
| CN111036358A (en) * | 2019-12-24 | 2020-04-21 | 河北工业职业技术学院 | Harmless treatment device and method for biological waste |
| CN111036358B (en) * | 2019-12-24 | 2022-03-15 | 河北工业职业技术学院 | Harmless treatment device and method for biological waste |
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