CN105906410A - Livestock manure harmless treatment device - Google Patents
Livestock manure harmless treatment device Download PDFInfo
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- CN105906410A CN105906410A CN201610232898.4A CN201610232898A CN105906410A CN 105906410 A CN105906410 A CN 105906410A CN 201610232898 A CN201610232898 A CN 201610232898A CN 105906410 A CN105906410 A CN 105906410A
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- liquid
- retort
- solid
- liquid storage
- fowl
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Soil Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to a livestock manure harmless treatment device, and solves the problems of large quantity and great disposal difficulty of livestock manure in livestock breeding sites. The equipment comprises a solid-liquid separator, and a liquid outlet of the solid-liquid separator is connected to liquid storage cylinders; a solid outlet of the solid-liquid separator is connected to carbonization furnaces, one sides of the carbonization furnaces are provided with combustion furnaces supplying heat, the discharge ports of the carbonization furnaces are connected to the liquid storage cylinders, liquid outlets of the liquid storage cylinders are connected to a drainage pipe, solid outlets of the liquid storage cylinders are connected to a granulator, and the granulator is connected to a dryer. The equipment provided by the invention carries out solid-liquid separation on the livestock manure, performs carbonization on the solid, and conducts adsorption on the liquid with the carbonized solid to prepare a carbon-based fertilizer for returning to filed, reduces direct discharge of livestock manure, also recycles the liquid for flushing of breeding sites, reduces water consumption, and saves water resources.
Description
Technical field
The present invention relates to a kind of waste treatment apparatus, particularly to a kind of fowl and animal excrement harmless treatment device.
Background technology
China is livestock culture big country, and cultivation scale is at the forefront in the world, is especially affected by people's eating habit, and the especially cultivation of China pig is huge.As a example by pig house, pig has certain requirement to feeding environment, and especially under the concentration cultivating condition of scale, pig house environment needs periodically to arrange, it is to avoid the pig of cultivation is sick even dead.In breeding process, substantial amounts of pig manure can be produced in pig house, cause pig house environment to be deteriorated, it is therefore desirable to periodically pig house excreta is rinsed cleaning.Pig house excreta substantially can be divided into two parts, and solid content is mainly pig manure, and liquid object is mainly pig urine, has abundant ammonia nitrogen in wash water, and liquid object, is the good fertilizer of plant growth.Traditional pig house excreta processing mode is typically direct returning to farmland, the most directly discharge processing mode low to the utilization ratio of fertilizer, and effect on environment is big.Biogas fermentation is also utilized now to process the excremental method of pig house, CN104355500A patent application document disclosed in 18 days February in 2015 of Patent Office of the People's Republic of China, entitled a kind of Process for Treatment of Swine Wastewater and circulation reuse method, construction methane generating pit carries out biogas fermentation, the dried composting of mud after biogas slurry precipitation, biogas slurry itself is through microbiological treatment afterflush pig house, it is circulated utilization, but pig house excretion is big, and persistently produce, the disposal ability of independent methane-generating pit is difficult to meet pig house excremental process demand.
Summary of the invention
It is an object of the invention to solve the problem that livestock culture place fowl and animal excrement quantity is big, intractability is big, it is provided that a kind of fowl and animal excrement harmless treatment device.
The technical solution adopted for the present invention to solve the technical problems is: a kind of fowl and animal excrement harmless treatment device, and including solid-liquid separator, the liquid object outlet of solid-liquid separator connects liquid storage cylinder;The solid content outlet of solid-liquid separator connects retort; the side of retort is provided with the combustion furnace providing heat, and retort discharging opening connects liquid storage cylinder, and the liquid object outlet of liquid storage cylinder connects drainpipe; the solid content outlet of liquid storage cylinder connects comminutor, and comminutor connects drying machine.Under the state not calculating flushing water, fowl and animal excrement moisture content is typically at 75%-85%, and the moisture content with 85% calculates, and fowl and animal excrement charcoal base manure product after dry charing, absorption composting process accounts for the 5% of fowl and animal excrement quality.The fowl and animal excrement of fowl and livestock farm develops as solid-liquid admixture, solid content is mainly excrement, liquid object is mainly urine, in flushing water, and liquid object rich in fertilizer such as substantial amounts of ammonia nitrogens, be the farm manure of high-quality.Fowl and animal excrement is carried out separation of solid and liquid by this device, and the solid content charing after separation forms charing solid content after processing, put in the liquid object after separation, the ammonia nitrogen in absorption liquid object.Liquid object after charing solid content adsorption treatment can be repeatedly circulated as the flushing water of farming site.Charing solid content ammonia nitrogen etc. in absorption liquid object, granulation forms charcoal base manure, charcoal base farm manure as high-quality, charcoal base manure not only acts as certain slow releasing function, improve utilization rate of fertilizer, reduce fertilizer and washed away the environmental pollution brought by rainwater, and soil can be repaired, improve the situation of soil erosion.Further, farming site is arranged on limit, farmland, after the charing solid content of fowl and animal excrement is to liquid object adsorption treatment, granulation forms charcoal base manure, and for providing fertilizer for crops, agricultural crop straw is as poultry and livestock feed and is dried the fuel carbonized, form a small-sized ecological circulation, reduce discharge.
As preferably, described retort arranges multiple, is provided with the waste heat pipe connected two-by-two between each retort, each retort starts successively, during the charing of previous retort, later retort feeds in advance, and the pre-charging of later retort is carried out predrying by waste heat pipe by previous retort charing waste heat.After separation of solid and liquid, in solid content, moisture content is too high, it is therefore desirable to carry out predrying, in this device, arranges multiple retort, starts successively, previous retort charing time, later retort start charging.Utilize the heat that in the waste heat in solid content carbonization process and carbonization process, itself produces, can later retort be carried out predrying.
As preferably, described retort is set to three, and carbonization process is divided into pre-charging, high temperature carbonization, cools down three phases with stove, and three retorts start successively and are respectively at different carbonization stage.Charing solid content temperature after high temperature carbonization completes is high, if directly discharging cools down outside, charcoal is oxidized easily, if be directly placed in liquid storage cylinder, liquid in the charing solid content meeting transient heating liquid storage cylinder of high temperature, producing a large amount of steam, cause environmental pollution, therefore the solid content after high temperature carbonization cools down with stove.
As preferably, described waste heat pipe also connects with drying machine.
As preferably, described liquid storage cylinder arrange multiple and with retort quantity one_to_one corresponding.Each retort is respectively put in the liquid storage cylinder of correspondence with the charing solid content of stove cooling discharging, adsorbs.
As preferably, between solid content outlet and the comminutor of described liquid storage cylinder, it is provided with pulverizer.
As preferably, described drying machine is cylindrical drier, and the head end connection of cylindrical drier is provided with the combustion furnace of hot blast, end connects exhaust gas processing device.According to the fertility situation of charcoal base farm manure, the head end at roller drier can also use spray gun to add inorganic fertilizer, forms charcoal base composite organic-inorganic fertilizer.
As preferably, cylindrical drier is two-layer cylinder structure, and including inner core and urceolus, the end of the end connection urceolus of inner core, inner core is from head end terminad feeding, and urceolus is from end to head end feeding and in urceolus head end discharging, and described combustion furnace connects the head end of inner core.
As preferably, the liquid object outfall drain pipe of liquid storage cylinder connects wash tub pipe, and the draining of liquid storage cylinder is as the flushing water in livestock culture place.
As preferably; when the adsorption capacity carbonizing solid content can not meet the requirement of liquid object absorption; methane-generating pit is set; the liquid object of separation of solid and liquid is introduced into methane-generating pit fermentation; the liquid object that methane-generating pit fermentation process is crossed inputs liquid storage cylinder again, and the cripple of methane-generating pit can use as the binding agent of granulator granulation.Liquid object ammonia nitrogen and suspension content after methane-generating pit ferments all have reduction, alleviate charing solid content adsorptive pressure, take full advantage of the fertility composition in cripple simultaneously, eliminate again the trouble that cripple processes.
Solid content, to fowl and animal excrement separation of solid and liquid, is carbonized, carbonizes solid content and adsorb liquid object, make charcoal base manure also field by the equipment of the present invention, decrease the direct discharge of fowl and animal excrement, and liquid object is rinsed farming site recycles, reduce water consumption, saving water resource.
Accompanying drawing explanation
Fig. 1 is one plan structure schematic diagram of the present invention.
Fig. 2 is the process flow diagram of the present invention.
In figure: 1. solid-liquid separator, 2. retort, 3. liquid storage cylinder, 4. waste heat pipe, 5. combustion furnace, 6. pulverizer, 7. granulating disc, 8. cylindrical drier, 9. inner core, 10. urceolus, 11. vibratory sieves, 12. sack cleaners, 13. air-introduced machines, 14. spray columns.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing the present invention is further described.
Embodiment: a kind of excremental harmless treatment device of pig house, as shown in Figure 1.The head end of this device is solid-liquid separator 1, after the excreta collection that pig house washing goes out, is separated into solid content and liquid object by solid-liquid separator.The liquid object outlet of solid-liquid separator 1 connects liquid storage cylinder 3;The solid content outlet of solid-liquid separator connects retort 2, and the side of retort is provided with the combustion furnace 5 providing heat, and retort discharging opening connects liquid storage cylinder 3.Retort 2 is provided with three, and three retorts are correspondingly arranged combustion furnace 5 respectively, and each retort is connected by waste heat pipe 4 between any two.Liquid storage cylinder and retort one_to_one corresponding arrange three.
Solid content in retort is transported to the fertilizer such as the ammonia nitrogen in liquid storage cylinder absorption liquid object after charing.The liquid object outlet of liquid storage cylinder discharges the water after absorption, for the flushing of pig house.The solid content outlet clutch disk comminutor 7 of liquid storage cylinder, the charing solid content after output absorption, granulating disc 7 connects cylindrical drier 8, and the waste heat pipe of described retort is connected with cylindrical drier.
Described cylindrical drier is two-layer cylinder, including nested inner core 9 and urceolus 10, inner core and urceolus synchronous axial system.Inner core end connects with urceolus end, and inner core carries material from head end terminad, and urceolus carries material from high end to head end, is provided with discharging opening in the side of urceolus head end, and discharging opening connects vibratory sieve 11 and sieves discharging.The head end of inner core is additionally provided with combustion furnace 5, and combustion furnace provides the hot blast of drying machine, and inner core end connects sack cleaner 12 by blast pipe, and the rear side of sack cleaner is provided with air-introduced machine 13 and provides air draft power, and the rear side of air-introduced machine connects spray column 14.
The operation process of this device is as in figure 2 it is shown, comprise the following steps:
Step 1, pig house washing, excreta collection;
Step 2, excreta separation of solid and liquid, liquid object is transported to liquid storage cylinder, solid content is transported to retort;
Step 3, retort carry out solid content high temperature carbonization, ultimately form charing solid content;
Step 4, charing solid content are rendered in liquid storage cylinder, the ammonia nitrogen in standing adsorption liquid object;
Step 5, liquid storage cylinder liquid object are used for rinsing pig house through absorption Posterior circle;
After step 6, liquid storage cylinder solid content absorption ammonia nitrogen, enter pulverizer pulverizing, then at feeding granulating disc granulation, formation granulated fertilizer;
Step 7, granulated fertilizer enter cylindrical drier and are dried, and sieve according to granular size after drying, form charcoal base manure finished product.
Wherein, in step 3, charing divides pre-charging, high temperature carbonization, cools down three phases with stove, and retort arranges three, and three retorts start successively, and are respectively at different carbonization stage.
It is in the waste heat of the retort in high temperature carbonization stage, carries out predrying by the solid content in the waste heat pipe retort to pre-loading stage.
It is in the waste heat of the retort in high temperature carbonization stage, by waste heat pipe supplementing as step 7 cylindrical drier dry-heat air.
Accordingly, liquid storage cylinder arranges three, corresponding with three retorts.When conveying liquid object is to liquid storage cylinder, selecting to be transported to be in the liquid storage cylinder corresponding with stove cooling stage retort by liquid object, when liquid storage cylinder is filled, the charing solid content after cooling down with stove sends into corresponding liquid storage cylinder standing adsorption.
Under the state not calculating flushing water, the moisture content of pig manure is typically at about 75%-85%, and the moisture content with 85% calculates, and pig manure charcoal base manure product after dry charing, absorption composting process is in about the 5% of pig manure quality.I.e. 20 tons pig manures can obtain the charcoal base manure of about 1 ton at dry composting.
This device can be used for the harmless treatment of other fowl and animal excrement.
Claims (9)
1. a fowl and animal excrement harmless treatment device, it is characterised in that: including solid-liquid separator, the liquid object outlet of solid-liquid separator connects liquid storage cylinder;The solid content outlet of solid-liquid separator connects retort; the side of retort is provided with the combustion furnace providing heat, and retort discharging opening connects liquid storage cylinder, and the liquid object outlet of liquid storage cylinder connects drainpipe; the solid content outlet of liquid storage cylinder connects comminutor, and comminutor connects drying machine.
A kind of fowl and animal excrement harmless treatment device the most according to claim 1, it is characterized in that: described retort arranges multiple, the waste heat pipe connected two-by-two it is provided with between each retort, each retort starts successively, during the charing of previous retort, later retort feeds in advance, and the pre-charging of later retort is carried out predrying by waste heat pipe by previous retort charing waste heat.
A kind of fowl and animal excrement harmless treatment device the most according to claim 2, it is characterized in that: described retort is set to three, carbonization process is divided into pre-charging, high temperature carbonization, cools down three phases with stove, and three retorts start successively and are respectively at different carbonization stage.
4. according to a kind of fowl and animal excrement harmless treatment device described in Claims 2 or 3, it is characterised in that: described waste heat pipe also connects with drying machine.
5. according to a kind of fowl and animal excrement harmless treatment device described in claim 1 or 2 or 3, it is characterised in that: described liquid storage cylinder arrange multiple and with retort quantity one_to_one corresponding.
6. according to a kind of fowl and animal excrement harmless treatment device described in claim 1 or 2 or 3, it is characterised in that: it is provided with pulverizer between solid content outlet and the comminutor of described liquid storage cylinder.
7. according to a kind of fowl and animal excrement harmless treatment device described in claim 1 or 2 or 3, it is characterised in that: described drying machine is cylindrical drier, and the head end connection of cylindrical drier is provided with the combustion furnace of hot blast, end connects exhaust gas processing device.
A kind of fowl and animal excrement harmless treatment device the most according to claim 7, it is characterized in that: cylindrical drier is two-layer cylinder structure, including inner core and urceolus, the end of the end connection urceolus of inner core, inner core is from head end terminad feeding, urceolus is from end to head end feeding and in urceolus head end discharging, and described combustion furnace connects the head end of inner core.
9. according to a kind of fowl and animal excrement harmless treatment device described in claim 1 or 2 or 3, it is characterised in that: the liquid object outfall drain pipe of liquid storage cylinder connects wash tub pipe, and the draining of liquid storage cylinder is as the flushing water in livestock culture place.
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CN201610232898.4A CN105906410A (en) | 2016-04-15 | 2016-04-15 | Livestock manure harmless treatment device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108395331A (en) * | 2018-05-04 | 2018-08-14 | 上海首牛新能源科技有限公司 | A kind of cow dung prepares the method and system of soil conditioner |
CN114634286A (en) * | 2022-02-24 | 2022-06-17 | 北京科技大学 | System and method for preparing excrement biochar and producing water to flush toilet by solar energy and pyrolysis waste heat |
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CN204714671U (en) * | 2015-03-16 | 2015-10-21 | 刘盛林 | The device of a kind of aquaculture process excrement dirt |
CN105418171A (en) * | 2016-01-12 | 2016-03-23 | 中国科学院城市环境研究所 | Method and device for preparing phosphorus-rich biofertilizer |
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2016
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Patent Citations (5)
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JPH1111922A (en) * | 1997-06-20 | 1999-01-19 | Kawasaki Heavy Ind Ltd | Carbonization treatment of sewer sludge |
JP2007260538A (en) * | 2006-03-28 | 2007-10-11 | Toshiba Corp | Organic waste treatment system |
CN103264037A (en) * | 2013-04-16 | 2013-08-28 | 浙江布莱蒙农业科技股份有限公司 | Treatment process of livestock died of epidemic diseases |
CN204714671U (en) * | 2015-03-16 | 2015-10-21 | 刘盛林 | The device of a kind of aquaculture process excrement dirt |
CN105418171A (en) * | 2016-01-12 | 2016-03-23 | 中国科学院城市环境研究所 | Method and device for preparing phosphorus-rich biofertilizer |
Non-Patent Citations (1)
Title |
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中国冶金百科全书总编辑委员会编: "《中国冶金百科全书 炼焦化工》", 31 December 1992, 冶金工业出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108395331A (en) * | 2018-05-04 | 2018-08-14 | 上海首牛新能源科技有限公司 | A kind of cow dung prepares the method and system of soil conditioner |
CN114634286A (en) * | 2022-02-24 | 2022-06-17 | 北京科技大学 | System and method for preparing excrement biochar and producing water to flush toilet by solar energy and pyrolysis waste heat |
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Application publication date: 20160831 |