CN112573797A - Livestock and poultry manure humidity control conveying system and application method - Google Patents
Livestock and poultry manure humidity control conveying system and application method Download PDFInfo
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- CN112573797A CN112573797A CN202011599528.7A CN202011599528A CN112573797A CN 112573797 A CN112573797 A CN 112573797A CN 202011599528 A CN202011599528 A CN 202011599528A CN 112573797 A CN112573797 A CN 112573797A
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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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
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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
- 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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- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a livestock and poultry manure humidity control and transmission system, which relates to the technical field of livestock and poultry manure and comprises a dehydration conveyor belt, an air pump, an air heating box and an air dryer; the dewatering conveyor belt comprises a heat-insulating outer cover covering the outside of the conveyor belt assembly; a plurality of hot air outlet pipes are distributed in the heat-insulation outer cover, two ends of each hot air outlet pipe are fixed on the side wall of the heat-insulation outer cover, and one end of each hot air outlet pipe is communicated with the air inlet main pipe; a plurality of air backflow suction heads are distributed on the inner side of the conveyor belt; the air suction main pipe is communicated with an air inlet of the air dryer through an outer pipe, and a drying air outlet of the air dryer is communicated with an air inlet of the air pump; an air outlet of the air pump is communicated with an air inlet of the air heating box; and the air outlet of the air heating box is communicated with the air inlet main pipe. The invention has the advantages of obviously improving the moisture control effect of the livestock and poultry manure raw material, improving the production efficiency and the like.
Description
Technical Field
The invention relates to the technical field of livestock and poultry manure treatment, in particular to a livestock and poultry manure humidity control conveying system and an application method thereof.
Background
The initial water content of the livestock and poultry manure generally exceeds 80% or 90%, and the fermentation operation of the organic fertilizer cannot be directly carried out when the water content is too high, so that dehydration and drying treatment are generally required to be carried out firstly, and the water content is promoted to be reduced to a certain requirement; however, if the common drying device and method are adopted to dry the livestock and poultry feces by using hot air, the hot air is directly blown to the surfaces of the livestock and poultry feces, and the surfaces are uneven, and the phenomenon that the local surfaces of the livestock and poultry feces are too dry and the internal moisture content is too high can occur based on the large viscosity of the livestock and poultry feces.
The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
Aiming at the technical problems, the invention provides the livestock and poultry manure raw material humidity control conveying system which is good in humidity control effect and high in efficiency and the application method.
In order to achieve the purpose, the invention adopts the following technical scheme:
a livestock and poultry manure humidity control conveying system comprises a dehydration conveying belt, an air pump, an air heating box and an air dryer; the dewatering conveyor belt comprises a heat-insulating outer cover covering the outside of the conveyor belt assembly; a plurality of hot air outlet pipes are distributed in the heat-insulation outer cover, two ends of each hot air outlet pipe are fixed on the side wall of the heat-insulation outer cover, and one end of each hot air outlet pipe is communicated with the air inlet main pipe; the middle part of the pipe wall of the hot air outlet pipe is provided with a plurality of small air holes; the hot air outlet pipes are distributed above the conveying belt of the conveying belt assembly, and the hot air outlet pipes are uniformly distributed along the moving direction of the conveying belt; a plurality of air backflow suction heads are distributed on the inner side of the conveyor belt; the air flow back suction head is provided with an air suction port; the air flow back suction heads are communicated with an air suction main pipe; the air suction main pipe is communicated with an air inlet of the air dryer through an outer pipe, and a drying air outlet of the air dryer is communicated with an air inlet of the air pump; an air outlet of the air pump is communicated with an air inlet of the air heating box; and the air outlet of the air heating box is communicated with the air inlet main pipe.
Furthermore, the cross section of the airflow suction head is of a nearly square structure, the bottom of the airflow suction head is provided with a suction cavity, the upper middle part of the airflow suction head is provided with a plurality of supporting tables which are transversely distributed and have nearly T-shaped cross sections, and the lower parts of the supporting tables are of a trapezoidal structure; the supporting tables are distributed at intervals; the lower part of the support table is communicated with the air suction cavity; the middle part of the support table is provided with a plurality of air suction ports; the lower part of the air suction cavity is communicated with the air suction main pipe through a branch pipe; the air flow suction head is close to the inner side surface of the conveying belt and distributed.
Furthermore, the air flow suction head is made of aluminum materials.
Furthermore, the hot air outlet pipe comprises an air inlet outer pipe and an air inlet inner pipe, two ends of the air inlet outer pipe are sealed, and a pipe cavity of the air inlet outer pipe is a conical pipe cavity; the air inlet inner pipe is inserted from the large-caliber end of the conical pipe cavity, extends to the other end close to the conical pipe cavity and is connected with the air inlet outer pipe in a sealing way; the middle part of the side wall of the air inlet outer pipe is provided with a plurality of small air holes.
Furthermore, a plurality of hot air outlet pipes form an air outlet pipe row, and the air outlet pipe row and the air return suction head are distributed in a staggered manner from top to bottom.
The method for dehydrating and controlling the humidity of the livestock and poultry manure by using the livestock and poultry manure humidity-control conveying system comprises the following steps:
(1) controlling the air speed of the air flow above the conveyor belt to be less than 3.5m/s and the temperature to be 45-85 ℃;
(2) and (4) overlapping and combining the dewatering conveyor belts, and discharging until the livestock and poultry manure is dried until the water content is 55-65%.
Further, the air speed of the air flow is 1.5-3.0 m/s, and the temperature is 65 ℃.
Compared with the prior art, the invention has the beneficial effects that:
(1) the hot gas outflow pipe structure can realize that hot gas flow is remained in the hot gas outflow pipe for a longer time, improve the temperature of the pipe body of the hot gas outflow pipe, slow down the strong gas flow of the air inlet inner pipe and slowly diffuse the strong gas flow out of the small gas permeable holes, prevent the gas flow from being directly sprayed onto the surface of livestock and poultry manure raw materials, prevent the surface of the raw materials from being dried, realize the uniform spreading of micro gas flow and obviously improve the dewatering and drying effects.
(2) By adopting the related structure and distribution mode of the hot air outlet pipe and the air return suction head, the hot air can be slowly diffused from the middle upper part and then slowly flows back from the two sides of the conveying belt, the maximum contact area between the hot air outlet pipe and the raw materials can be realized, and the dehumidification effect is obviously improved.
(3) According to the distribution mode that the hot air outlet pipe is arranged above and the air return suction head is arranged below, according to the trend that hot air flows upwards, the reverse layout can improve the time that effective high-temperature hot air flow is retained in the heat insulation outer cover, reduce the phenomenon that the effective high-temperature air flow is pumped to a circulation pipeline too fast, improve the heat efficiency and reduce the waste of heat energy.
(4) The air current that is equipped with flows back the suction head, and the air current is through the interval backward flow between the brace table, and the hot gas flow carries out effective heat transfer to the brace table, realizes the thermal storage of hot gas flow, gives the inside of conveyer belt and heat preservation dustcoat with the heat transfer simultaneously, improves the stoving effect, improves heat comprehensive utilization, promotes production efficiency.
(5) The invention combines the conveyor belt mode to dry, realizes the movable drying mode of drying in the conveying process, and obviously improves the drying efficiency and uniformity.
(6) According to the device, the micro-airflow circulation mode is adopted, the high-temperature evaporation mode at the bottom of the conveyor belt is combined, airflow heat is intercepted to the maximum degree, the drying and dewatering efficiency is improved remarkably, the conditions that the surface moisture and the inside moisture of the livestock and poultry manure are basically consistent, the surface is too dry, the surface moisture and the inside moisture content of the livestock and poultry manure are different are finally achieved, the quality of the organic fertilizer raw material before treatment is improved remarkably, and a high-quality raw material is provided for subsequent organic fertilizer treatment.
Drawings
FIG. 1 is a cross-sectional view of a dewatering conveyor of the present invention;
FIG. 2 is a schematic view of the connection structure of the present invention;
FIG. 3 is a schematic structural view of a hot gas outlet pipe according to the present invention;
FIG. 4 is a schematic of the structure of the air flow back tip of the present invention;
FIG. 5 is a cut-away view A-A of FIG. 4 of the present invention.
Detailed Description
As shown in fig. 1 to 5, a livestock and poultry manure humidity control conveying system comprises a dehydration conveying belt, an air pump 13, an air heating box 14 and an air dryer 15; the dehydration conveyor belt comprises a heat-preservation outer cover 1 covering the outside of the conveyor belt assembly; the heat-insulating outer cover 1 is fixed on the conveyor belt bracket 11 to cover the conveyor belt, only enough feeding and discharging gaps are reserved on the feeding port and the discharging port, and a bottom plate cover 7 is also arranged; a plurality of hot air outlet pipes 4 are distributed in the heat-insulating outer cover 1, two ends of each hot air outlet pipe 4 are fixed on the side wall of the heat-insulating outer cover 1, and one end of each hot air outlet pipe 4 is communicated with the air inlet main pipe 3; the middle part of the pipe wall of the hot air outlet pipe 4 is provided with a plurality of small air holes 4-1; the hot air outlet pipes 4 are distributed above the conveying belt 5 of the conveying belt assembly, and the hot air outlet pipes 4 are uniformly distributed along the moving direction of the conveying belt 5; the hot gas outlet pipe 4 of the embodiment comprises an outer gas inlet pipe 4-4 and an inner gas inlet pipe 4-3, wherein two ends of the outer gas inlet pipe 4-4 are sealed, and a pipe cavity of the outer gas inlet pipe 4-4 is a conical pipe cavity 4-2; the air inlet inner pipe 4-3 is inserted from the large-caliber end of the conical pipe cavity, extends to the other end close to the conical pipe cavity and is connected with the air inlet outer pipe 4-4 in a sealing manner; the middle part of the side wall of the air inlet outer pipe 4-4 is provided with a plurality of small air holes 4-1. A plurality of air backflow suction heads 9 are distributed on the inner side of the conveyor belt 5; an air suction port 9-1 is arranged on the air flow back suction head 9; in order to improve the heat transfer effect, the air flow-back suction head of the embodiment is made of an aluminum material, and of course, the air flow-back suction head can be made of other alloy materials with good heat transfer effect.
The section of the air flow-back suction head 9 of the embodiment is of a nearly square structure, the bottom of the air flow-back suction head is provided with an air suction cavity 9-3, the upper middle part of the air flow-back suction head is provided with a plurality of transversely distributed supporting tables 9-2 with nearly T-shaped sections, and the lower parts of the supporting tables 9-2 are of a trapezoid structure; the supporting platforms 9-2 are distributed at intervals; the lower part of the support platform 9-2 is communicated with the air suction cavity 9-3; the middle part of the support table 9-2 is provided with a plurality of air suction ports 9-1; the lower part of the air suction cavity is communicated with the air suction main pipe 10 through a branch pipe 6; the top of the air flow back suction head 9 is distributed close to the inner side surface of the conveyor belt. Of course, to ensure support for the conveyor 5, a conveyor support plate 16 is provided on the inside thereof to support the load thereof.
The air suction manifold 10 is communicated with an air inlet of the air dryer 15 through an outer pipe 8, and a drying air outlet of the air dryer 15 is communicated with an air inlet of the air pump 14; an air outlet of the air pump 14 is communicated with an air inlet of the air heating box 13; the air outlet of the air heating box 13 is also communicated with the air inlet manifold 3 through an outer pipe 12.
This embodiment the hot gas outlet duct is when distributing, through three (certainly can also be many) hot gas outlet duct constitutes a row of gas outlet pipe, the gas outlet pipe row with the distribution is staggered from top to bottom mutually to the air current resorption head to improve the hot gas flow and to the contact effect of beasts and birds excrement raw materials, take away beasts and birds excrement raw materials too much moisture in surface more fast, in order to reach and reduce to required top layer moisture content. The invention can also prevent the direct impact of hot air flow on the livestock and poultry manure raw material, which causes the local drying of the surface of the livestock and poultry manure raw material and influences the later-stage livestock and poultry manure.
The method for dehydrating and controlling the humidity of the livestock and poultry manure by using the livestock and poultry manure humidity-control conveying system comprises the following steps:
(1) the air speed of the air flow above the conveyor belt is controlled to be less than 3.5m/s (low air speed), the temperature is 45-85 ℃ (namely the air temperature above the conveyor belt), the device can realize uniform spreading of the air flow under the condition that the air speed of the air flow is kept to be less than 3.5m/s, so that the uniform drying effect of the raw materials is achieved, the obvious dehydration drying effect can be achieved only by adopting a common device and adopting a medium-high air speed with the air speed of the air flow being more than 3.5m/s, and the conventional device not only has uneven drying, large energy consumption and long time consumption under the condition that the air speed of the air flow is less than 3.5m/s, so that the air speed of the air flow adopted by the conventional drying device is higher than 3.5 m/;
(2) and (4) overlapping and combining the dewatering conveyor belts, and discharging until the livestock and poultry manure is dried until the water content is 55-65%.
Further, the air speed of the air flow is 1.5-3.0 m/s, and the temperature is 65 ℃.
Claims (7)
1. The utility model provides a wet conveying system of beasts and birds excrement and sewage accuse which characterized in that: comprises a dehydration conveyor belt, an air pump, an air heating box and an air dryer; the dewatering conveyor belt comprises a heat-insulating outer cover covering the outside of the conveyor belt assembly; a plurality of hot air outlet pipes are distributed in the heat-insulation outer cover, two ends of each hot air outlet pipe are fixed on the side wall of the heat-insulation outer cover, and one end of each hot air outlet pipe is communicated with the air inlet main pipe; the middle part of the pipe wall of the hot air outlet pipe is provided with a plurality of small air holes; the hot air outlet pipes are distributed above the conveying belt of the conveying belt assembly, and the hot air outlet pipes are uniformly distributed along the moving direction of the conveying belt; a plurality of air backflow suction heads are distributed on the inner side of the conveyor belt; the air flow back suction head is provided with an air suction port; the air flow back suction heads are communicated with an air suction main pipe; the air suction main pipe is communicated with an air inlet of the air dryer through an outer pipe, and a drying air outlet of the air dryer is communicated with an air inlet of the air pump; an air outlet of the air pump is communicated with an air inlet of the air heating box; and the air outlet of the air heating box is communicated with the air inlet main pipe.
2. The poultry and livestock manure moisture control and transfer system of claim 1, characterized in that: the cross section of the airflow suction head is of a nearly square structure, the bottom of the airflow suction head is provided with a suction cavity, the upper middle part of the airflow suction head is provided with a plurality of supporting tables which are transversely distributed and have nearly T-shaped cross sections, and the lower parts of the supporting tables are of a trapezoidal structure; the supporting tables are distributed at intervals; the lower part of the support table is communicated with the air suction cavity; the middle part of the support table is provided with a plurality of air suction ports; the lower part of the air suction cavity is communicated with the air suction main pipe through a branch pipe; the airflow suction head is close to the inner side surface of the dehydration conveyor belt and is distributed.
3. The poultry and livestock manure moisture control and transfer system of claim 1, characterized in that: the air flow back suction head is made of an aluminum material.
4. The poultry and livestock manure moisture control and transfer system of claim 1, characterized in that: the hot air outlet pipe comprises an air inlet outer pipe and an air inlet inner pipe, two ends of the air inlet outer pipe are sealed, and a pipe cavity of the air inlet outer pipe is a conical pipe cavity; the air inlet inner pipe is inserted from the large-caliber end of the conical pipe cavity, extends to the other end close to the conical pipe cavity and is connected with the air inlet outer pipe in a sealing way; the middle part of the side wall of the air inlet outer pipe is provided with a plurality of small air holes.
5. The poultry and livestock manure moisture control and transfer system of claim 1, characterized in that: the hot air outlet pipes form an air outlet pipe row, and the air outlet pipe row and the air return suction head are distributed in a staggered manner from top to bottom.
6. The method for dehydrating and controlling the humidity of the livestock and poultry manure by using the livestock and poultry manure humidity-controlling conveying system as claimed in any one of claims 1 to 5, which comprises the following steps:
(1) controlling the air speed of the air flow above the conveyor belt to be less than 3.5m/s and the temperature to be 45-85 ℃;
(2) and (4) overlapping and combining the dewatering conveyor belts, and discharging until the livestock and poultry manure is dried until the water content is 55-65%.
7. The livestock and poultry manure dehydration and humidity control method according to claim 6, which is characterized in that: the air speed of the air flow is 1.5-3.0 m/s, and the temperature is 65 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011599528.7A CN112573797B (en) | 2020-12-29 | 2020-12-29 | Livestock and poultry manure humidity control conveying system and application method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011599528.7A CN112573797B (en) | 2020-12-29 | 2020-12-29 | Livestock and poultry manure humidity control conveying system and application method |
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| CN112573797A true CN112573797A (en) | 2021-03-30 |
| CN112573797B CN112573797B (en) | 2023-08-25 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5365676A (en) * | 1993-08-02 | 1994-11-22 | Oven Systems, Inc. | Two-stage sludge drying apparatus and method |
| CN103292586A (en) * | 2013-03-20 | 2013-09-11 | 温特牧(北京)科技有限公司 | Drying machine system |
| CN204255026U (en) * | 2014-10-29 | 2015-04-08 | 王文娟 | A kind of novel tunnel drying line |
| CN206724641U (en) * | 2017-04-25 | 2017-12-08 | 王冠 | A kind of drying box device of honeycomb metal ingredient mass |
| CN207073993U (en) * | 2017-07-04 | 2018-03-06 | 龙岩市永定区普惠农业科技有限公司 | A kind of band drier with hot gas injection apparatus |
| CN211346234U (en) * | 2019-12-05 | 2020-08-25 | 祥恒(嘉善)包装有限公司 | Temperature-adjustable hot steam circulating device for carton production |
-
2020
- 2020-12-29 CN CN202011599528.7A patent/CN112573797B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5365676A (en) * | 1993-08-02 | 1994-11-22 | Oven Systems, Inc. | Two-stage sludge drying apparatus and method |
| CN103292586A (en) * | 2013-03-20 | 2013-09-11 | 温特牧(北京)科技有限公司 | Drying machine system |
| CN204255026U (en) * | 2014-10-29 | 2015-04-08 | 王文娟 | A kind of novel tunnel drying line |
| CN206724641U (en) * | 2017-04-25 | 2017-12-08 | 王冠 | A kind of drying box device of honeycomb metal ingredient mass |
| CN207073993U (en) * | 2017-07-04 | 2018-03-06 | 龙岩市永定区普惠农业科技有限公司 | A kind of band drier with hot gas injection apparatus |
| CN211346234U (en) * | 2019-12-05 | 2020-08-25 | 祥恒(嘉善)包装有限公司 | Temperature-adjustable hot steam circulating device for carton production |
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| CN112573797B (en) | 2023-08-25 |
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