CN114763310A - Livestock and poultry manure treatment equipment suitable for small and medium-sized farms and treatment method thereof - Google Patents

Livestock and poultry manure treatment equipment suitable for small and medium-sized farms and treatment method thereof Download PDF

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Publication number
CN114763310A
CN114763310A CN202110055604.6A CN202110055604A CN114763310A CN 114763310 A CN114763310 A CN 114763310A CN 202110055604 A CN202110055604 A CN 202110055604A CN 114763310 A CN114763310 A CN 114763310A
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manure
livestock
spiral
small
tank
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CN202110055604.6A
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Chinese (zh)
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路惠晴
毛国柱
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Tianjin University
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Tianjin University
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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00—Fertilisers from human or animal excrements, e.g. manure
    • C05F3/06—Apparatus for the manufacture
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/02—Biological treatment
    • C02F11/04—Anaerobic treatment; Production of methane by such processes
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90—Apparatus therefor
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90—Apparatus therefor
    • C05F17/964—Constructional parts, e.g. floors, covers or doors
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F3/00—Fertilisers from human or animal excrements, e.g. manure
    • 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
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/20—Liquid fertilisers
    • 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)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Pest Control & Pesticides (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention provides livestock manure treatment equipment suitable for small and medium-sized farms and a treatment method thereof. The invention mainly aims at the design of equipment with low cost, easy disassembly and small occupied area, firstly, the excrement is dehydrated at high temperature, then the temperature is regulated, microbial oxidative fermentation is accelerated by adding bacterial liquid in a closed stirring way, and high-speed sequencing batch treatment is pertinently carried out on the excrement, thus solving the problems of small microbial quantity, slow reaction rate and high pollution in the traditional composting way.

Description

Livestock and poultry manure treatment equipment suitable for small and medium-sized farms and treatment method thereof
Technical Field
The invention relates to the technical field of livestock and poultry manure treatment and utilization, in particular to livestock and poultry manure treatment equipment suitable for small and medium-sized farms and a treatment method thereof.
Background
China is a big agricultural country, animal husbandry is an important component of the first industry of China, important support is provided for economic development, and environmental pollution caused by livestock and poultry breeding plants gradually becomes a social concern. The pollution of the breeding plants mainly comes from odor pollution caused by livestock and poultry manure and water and soil pollution. For small-sized farmers, the livestock manure can be flexibly treated due to small cultivation scale, and a mode of returning the livestock manure to the field directly or returning the livestock manure to the field after drying is mostly adopted, but the national supervision is difficult to deepen, the pollution to the livestock manure is difficult to form strong and effective control, and many small and medium-sized farmers are forced to quit the market. However, due to market demands, production and life of people and other reasons, small and medium-sized farmers in China will exist for a long time in the future, and therefore, the process and equipment suitable for treating livestock and poultry manure of the small and medium-sized farmers need to be researched and developed.
Disclosure of Invention
The invention overcomes the defects in the prior art, the pollution of small farmers to the livestock and poultry manure is difficult to form strong and effective control, and provides livestock and poultry manure treatment equipment and a treatment method thereof suitable for small and medium-sized farms for solving the manure treatment problem of the small and medium-sized farms.
The purpose of the invention is realized by the following technical scheme.
Livestock manure treatment equipment suitable for small and medium-sized farms comprises a manure collecting tank, a cooling manure storage tank and a spiral anaerobic fermentation tank, wherein the tail end of the manure collecting tank is connected with the head end of the cooling manure storage tank through a detachable device, a support frame is installed at the tail end of the cooling manure storage tank and used for supporting the manure collecting tank and the cooling manure storage tank and adjusting the heights of the manure collecting tank and the cooling manure storage tank, a discharge port is formed in the side wall of the cooling manure storage tank and connected with the head end of the spiral anaerobic fermentation tank through a detachable fixing bayonet, a bacteria liquid adding port is formed in one side, close to the cooling manure storage tank, of the spiral anaerobic fermentation tank and used for adding fermentation bacteria liquid to the spiral anaerobic fermentation tank, a liquid discharge port is formed in the tail end of the spiral anaerobic fermentation tank and used for discharging biogas liquid and solid formed after fermentation, and an exhaust port is formed in the side wall of the lower portion of the spiral anaerobic fermentation tank, used for discharging the biogas formed after fermentation.
A heating device is arranged in the manure collecting tank, and the water content in the livestock and poultry manure is reduced by utilizing high temperature.
Spiral grooves are uniformly arranged in the spiral anaerobic fermentation tank, so that the aim of regulating and controlling the fermentation speed of the livestock and poultry manure by using the spiral grooves is fulfilled.
The spiral anaerobic fermentation tank adopts an inclined installation mode so as to utilize the gravity of the livestock and poultry manure, and the livestock and poultry manure can move in the spiral anaerobic fermentation tank.
The exhaust port is communicated with the methane tank or the methane tank.
The livestock and poultry manure treatment method suitable for small and medium-sized farms is carried out according to the following steps:
step 1, passing untreated livestock and poultry manure through a manure collecting tank, performing high-temperature heating dehydration treatment on the livestock and poultry manure by a heating device in the manure collecting tank, then entering a cooling manure storing box, and adjusting the temperature of the livestock and poultry manure treated by the heating device in the cooling manure storing box to obtain the livestock and poultry manure with the adjusted temperature, so that the livestock and poultry manure reaches the proper temperature for the action of mold and saccharomycetes, the treatment efficiency is greatly improved, and the energy input is reduced;
step 2, conveying the livestock manure obtained in the step 1 after temperature adjustment into a spiral anaerobic fermentation tank from a temperature reduction manure storage box, adding bacterial liquid required for fermentation into the spiral anaerobic fermentation tank from a bacterial liquid adding port, and starting the spiral anaerobic fermentation tank to fully mix the bacterial liquid with the livestock manure after temperature adjustment and fully contact and react;
and 3, after reacting for a period of time, opening an exhaust port and a liquid outlet, conveying the biogas obtained by fermentation reaction to a biogas digester or a biogas tank through the exhaust port, and using the biogas slurry and the solids obtained by fermentation reaction as farmland fertilizers.
In the step 1, the water content of the untreated livestock manure is 70-80%, the water content of the livestock manure after being treated by the heating device is 40-50% so as to facilitate the treatment in the subsequent stage, and the high temperature of the heating device can also play a role in sterilizing the livestock manure.
The beneficial effects of the invention are as follows: the invention mainly aims at the design of equipment with low cost, easy disassembly and small occupied area, firstly, the excrement is dehydrated at high temperature, then the temperature is regulated, microbial oxidative fermentation is accelerated by adding bacterial liquid in a closed stirring way, and high-speed sequencing batch treatment is pertinently carried out on the excrement, thus solving the problems of small microbial quantity, slow reaction rate and high pollution in the traditional composting way.
Drawings
FIG. 1 is a flow framework architecture diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention;
in the figure: 1 is the manure collecting tank, 2 is detachable device, 3 is the cooling storage manure case, 4 is the support frame, 5 for dismantling fixed bayonet socket, 6 adds the mouth for the fungus liquid, 7 is spiral anaerobic fermentation jar, 8 is the helicla flute, 9 is the gas vent, 10 is the leakage fluid dram.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
Example one
Livestock manure treatment equipment suitable for small and medium-sized farms, comprising a manure collecting tank 1, a cooling manure storing tank 3 and a spiral anaerobic fermentation tank 7, wherein the tail end of the manure collecting tank 1 is connected with the head end of the cooling manure storing tank 3 through a detachable device 2, a support frame 4 is arranged at the tail end of the cooling manure storing tank 3 and is used for supporting the manure collecting tank 1 and the cooling manure storing tank 3 and can be used for adjusting the heights of the manure collecting tank 1 and the cooling manure storing tank 3, a discharge port is formed in the side wall of the cooling manure storing tank 3 and is connected with the head end of the spiral anaerobic fermentation tank 7 through a detachable fixed bayonet 5, a bacteria liquid adding port 6 is formed in one side of the spiral anaerobic fermentation tank 7 close to the cooling manure storing tank 3 and is used for adding fermentation bacteria liquid to the spiral anaerobic fermentation tank 7, a discharge port 10 is formed at the tail end of the spiral anaerobic fermentation tank 7 and is used for discharging biogas liquid and solid formed after fermentation, an exhaust port 9 is arranged on the lower side wall of the spiral anaerobic fermentation tank 7, used for discharging the biogas formed after fermentation.
Example two
On the basis of the first embodiment, a heating device is arranged in the septic tank 1, and the water content in the livestock and poultry manure is reduced by using high temperature.
Spiral grooves 8 are uniformly arranged in the spiral anaerobic fermentation tank 7, so that the aim of regulating and controlling the fermentation speed of the livestock and poultry manure by using the spiral grooves 8 is fulfilled.
The spiral anaerobic fermentation tank 7 adopts an inclined installation mode so as to utilize the gravity of the livestock manure, and the livestock manure can move in the spiral anaerobic fermentation tank 7.
The exhaust port 9 is communicated with the methane tank or the methane tank.
EXAMPLE III
The livestock and poultry manure treatment method suitable for small and medium-sized farms is carried out according to the following steps:
step 1, passing untreated livestock and poultry manure through a manure collecting tank, performing high-temperature heating dehydration treatment on the livestock and poultry manure by a heating device in the manure collecting tank, then entering a cooling manure storing box, and adjusting the temperature of the livestock and poultry manure treated by the heating device in the cooling manure storing box to obtain the livestock and poultry manure with the adjusted temperature, so that the livestock and poultry manure reaches the proper temperature for the action of mold and saccharomycetes, the treatment efficiency is greatly improved, and the energy input is reduced;
step 2, conveying the livestock manure obtained in the step 1 after temperature adjustment into a spiral anaerobic fermentation tank from a temperature reduction manure storage box, adding bacterial liquid required for fermentation into the spiral anaerobic fermentation tank from a bacterial liquid adding port, and starting the spiral anaerobic fermentation tank to fully mix the bacterial liquid with the livestock manure after temperature adjustment and fully contact and react;
and 3, after reacting for a period of time, opening an exhaust port and a liquid outlet, conveying the biogas obtained by fermentation reaction to a biogas digester or a biogas tank through the exhaust port, and using the biogas slurry and the solids obtained by fermentation reaction as farmland fertilizers.
In the step 1, the water content of the untreated livestock manure is 70-80%, the water content of the livestock manure after being treated by the heating device is 40-50% so as to facilitate the treatment in the subsequent stage, and the high temperature of the heating device can also play a role in sterilizing the livestock manure.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an orientation of upper and lower. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and is not to be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (7)

1. Livestock manure treatment equipment suitable for small and medium-sized farms, which is characterized in that: including collection manure pit, cooling storage manure case and spiral anaerobic fermentation jar, the tail end of collection manure pit with the head end of cooling storage manure case passes through detachable device and links to each other the support frame is installed to the tail end of cooling storage manure case the discharge port has been seted up on the lateral wall of cooling storage manure case, the discharge port with the head end of spiral anaerobic fermentation jar links to each other through dismantling fixed bayonet socket, spiral anaerobic fermentation jar is close to the fungus liquid interpolation mouth has been seted up to one side of cooling storage manure case, spiral anaerobic fermentation jar's tail end forms a drain mouth be provided with the gas vent on spiral anaerobic fermentation jar's the lower part lateral wall.
2. The livestock and poultry manure treatment facility suitable for small and medium-sized farms according to claim 1, characterized in that: and a heating device is arranged in the septic tank.
3. The livestock and poultry manure treatment facility suitable for small and medium-sized farms according to claim 1, characterized in that: spiral grooves are uniformly arranged in the spiral anaerobic fermentation tank.
4. The livestock and poultry manure treatment facility suitable for small and medium-sized farms according to claim 3, wherein: the spiral anaerobic fermentation tank adopts an inclined installation mode.
5. Livestock manure treatment equipment suitable for small and medium-sized farms according to claim 1, characterized in that: the exhaust port is communicated with the methane tank or the methane tank.
6. The livestock manure treatment method suitable for small and medium-sized farms is characterized by comprising the following steps of: the method comprises the following steps:
step 1, passing untreated livestock and poultry manure through a manure collecting tank, performing high-temperature heating dehydration treatment on the livestock and poultry manure by a heating device in the manure collecting tank, then entering a cooling manure storing box, and adjusting the temperature of the livestock and poultry manure treated by the heating device in the cooling manure storing box to obtain the livestock and poultry manure with the adjusted temperature, so that the livestock and poultry manure reaches the proper temperature for the action of mold and saccharomycetes, the treatment efficiency is greatly improved, and the energy input is reduced;
step 2, conveying the livestock manure obtained in the step 1 after temperature adjustment into a spiral anaerobic fermentation tank from a temperature reduction manure storage box, adding bacterial liquid required for fermentation into the spiral anaerobic fermentation tank from a bacterial liquid adding port, and starting the spiral anaerobic fermentation tank to fully mix the bacterial liquid with the livestock manure after temperature adjustment and fully contact and react;
and 3, after reacting for a period of time, opening an exhaust port and a liquid outlet, conveying the biogas obtained by fermentation reaction to a biogas digester or a biogas tank through the exhaust port, and using the biogas slurry and the solids obtained by fermentation reaction as farmland fertilizers.
7. The method for treating livestock and poultry manure suitable for small and medium-sized farms according to claim 6, wherein: in the step 1, the water content of the untreated livestock manure is 70-80%, the water content of the livestock manure after being treated by the heating device is 40-50% so as to facilitate the treatment in the subsequent stage, and the high temperature of the heating device can also play a role in sterilizing the livestock manure.
CN202110055604.6A 2021-01-15 2021-01-15 Livestock and poultry manure treatment equipment suitable for small and medium-sized farms and treatment method thereof Pending CN114763310A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202808789U (en) * 2012-09-20 2013-03-20 西安建筑科技大学 Dry biomass biogas reactor
CN106145587A (en) * 2015-04-24 2016-11-23 浙江景生态牧业有限公司 Recycling system after a kind of cattle manure reprocessing
CN207210431U (en) * 2017-09-06 2018-04-10 中科皓宇(北京)环保投资有限公司 Dry-type anaerobic fermentation device
CN110420967A (en) * 2019-07-18 2019-11-08 浙江中能环境科技有限公司 A kind of feces of livestock and poultry disposal system and method for taking into account energy and Fertilizer Transformed
CN110436720A (en) * 2019-06-28 2019-11-12 南通大恒环境工程有限公司 A kind of recycling treatment system and its processing method of feces of livestock and poultry
CN111518682A (en) * 2020-04-17 2020-08-11 广东石油化工学院 Low-pollution livestock and poultry manure anaerobic fermentation device and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202808789U (en) * 2012-09-20 2013-03-20 西安建筑科技大学 Dry biomass biogas reactor
CN106145587A (en) * 2015-04-24 2016-11-23 浙江景生态牧业有限公司 Recycling system after a kind of cattle manure reprocessing
CN207210431U (en) * 2017-09-06 2018-04-10 中科皓宇(北京)环保投资有限公司 Dry-type anaerobic fermentation device
CN110436720A (en) * 2019-06-28 2019-11-12 南通大恒环境工程有限公司 A kind of recycling treatment system and its processing method of feces of livestock and poultry
CN110420967A (en) * 2019-07-18 2019-11-08 浙江中能环境科技有限公司 A kind of feces of livestock and poultry disposal system and method for taking into account energy and Fertilizer Transformed
CN111518682A (en) * 2020-04-17 2020-08-11 广东石油化工学院 Low-pollution livestock and poultry manure anaerobic fermentation device and method

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Application publication date: 20220719