CN112573797B - 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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- CN112573797B CN112573797B CN202011599528.7A CN202011599528A CN112573797B CN 112573797 B CN112573797 B CN 112573797B CN 202011599528 A CN202011599528 A CN 202011599528A CN 112573797 B CN112573797 B CN 112573797B
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- air
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- conveyor belt
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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
-
- 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
Abstract
The application discloses a livestock and poultry manure humidity control conveying system, which relates to the technical field of livestock and poultry manure, and 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 covered outside the conveyor belt assembly; a plurality of hot air outlet pipes are distributed in the heat preservation outer cover, two ends of each hot air outlet pipe are fixed on the side wall of the heat preservation outer cover, and one end of each hot air outlet pipe is communicated with an air inlet main pipe; a plurality of air return suction heads are also distributed on the inner side of the conveyor belt; the air suction header pipe is communicated with the air inlet of the air dryer through the outer pipe, and the drying air outlet of the air dryer is communicated with the air inlet of the air pump; the air outlet of the air pump is communicated with the air inlet of the air heating box; and an air outlet of the air heating box is communicated with the air inlet main pipe. The application has the advantages of remarkably improving the humidity control effect of the livestock and poultry manure raw material, improving the production efficiency and the like.
Description
Technical Field
The application 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.
Background
The initial water content of the livestock and poultry manure is generally more than 80% or 90%, and the fermentation operation of the organic fertilizer cannot be directly carried out due to the excessively high water content, so that dehydration and drying treatment are generally needed first to reduce the water content to a certain requirement; however, if a common drying device and method are adopted, if hot air is used for air drying, the hot air directly blows to the dirty surface of the livestock manure and is uneven, and the phenomenon that the local surface of the livestock manure is too dry and the moisture content in the livestock manure is too high can occur on the basis of high viscosity of the livestock manure, and the method adopts a windless drying mode, so that the method has long time consumption, low efficiency and high energy consumption, and is eliminated by the market at present.
The foregoing background is only for the purpose of facilitating an understanding of the principles and concepts of the application and is not necessarily in the prior art to the present application and is not intended to be used as an admission that such background is not entitled to antedate such novelty and creativity by virtue of prior application or that it is already disclosed at the date of filing of this application.
Disclosure of Invention
Aiming at the technical problems, the application provides a high-efficiency livestock and poultry manure raw material humidity control conveying system with good humidity control effect and an application method.
In order to achieve the above purpose, the application 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 covered outside the conveyor belt assembly; a plurality of hot air outlet pipes are distributed in the heat preservation outer cover, two ends of each hot air outlet pipe are fixed on the side wall of the heat preservation outer cover, and one end of each hot air outlet pipe is communicated with an air inlet main pipe; a plurality of ventilation small holes are formed in the middle of the pipe wall of the hot air outlet pipe; the hot air outlet pipes are distributed above the conveyor belt of the conveyor belt assembly, and a plurality of hot air outlet pipes are uniformly distributed along the moving direction of the conveyor belt; a plurality of air return suction heads are also distributed on the inner side of the conveyor belt; the air flow back suction head is provided with an air suction port; the plurality of air flow return suction heads are communicated with an air suction main pipe; the air suction header pipe is communicated with the air inlet of the air dryer through the outer pipe, and the drying air outlet of the air dryer is communicated with the air inlet of the air pump; the air outlet of the air pump is communicated with the air inlet of the air heating box; and an air outlet of the air heating box is communicated with the air inlet main pipe.
Further, the section of the air flow back suction head is of a nearly square structure, the bottom of the air flow back suction head is provided with an air suction cavity, the upper middle part of the air flow back suction head is provided with a plurality of supporting tables with transverse distribution and nearly T-shaped sections, and the lower parts of the supporting tables are of trapezoid structures; the supporting tables are distributed at intervals; the lower part of the supporting table is communicated with the air suction cavity; the middle part of the supporting table is provided with a plurality of air inlets; the lower part of the air suction cavity is communicated with the air suction main pipe through a branch pipe; the air return suction heads are distributed close to the inner side face of the conveyor belt.
Further, the air return suction head is made of aluminum materials.
Further, 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 and extends to the other end close to the conical pipe cavity so as to be connected with the air inlet outer pipe in a sealing way; and the middle part of the side wall of the air inlet outer tube is provided with a plurality of ventilation small holes.
Further, a plurality of hot air outlet pipes form an exhaust pipe row, and the exhaust 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 wet of the livestock and poultry manure by using the livestock and poultry manure moisture control conveying system comprises the following steps of:
(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 (3) superposing and combining the dehydration conveyor belts until the livestock and poultry manure is dried until the water content is between 55 and 65 percent, and discharging.
Further, the air flow speed is 1.5-3.0 m/s, and the temperature is 65 ℃.
Compared with the prior art, the application has the beneficial effects that:
(1) The hot air outlet pipe structure can enable hot air to stay in the hot air outlet pipe for a longer time, improve the temperature of the hot air outlet pipe body, slow out strong air flow of the air inlet inner pipe from the ventilation small holes after the strong air flow is decelerated, prevent the air flow from being directly sprayed onto the surface of the livestock and poultry manure raw material, prevent the surface of the raw material from being dried, simultaneously realize uniform scattering of micro air flow, and remarkably 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 slowly flow out from the middle upper part and then slowly flow back from the two sides of the conveying belt, the maximum contact area with raw materials can be realized, and the dehumidification effect is remarkably improved.
(3) According to the application, by arranging the hot air outlet pipe above and the air return suction head below, according to the upward flowing trend of the hot air, the reverse layout can improve the time for the effective hot air to stay in the Wen Waizhao, reduce the excessive speed of the effective hot air to be pumped to the circulating pipeline, improve the heat efficiency and reduce the waste of heat energy.
(4) The air current that is equipped with returns the suction head, and the air current is through the interval backward flow between the brace table, and the hot air current carries out effective heat transfer to the brace table, realizes the storage to hot air flow heat, gives the inside of conveyer belt and heat preservation dustcoat with heat transfer simultaneously, improves the stoving effect, improves the heat comprehensive utilization and rateed, promotes production efficiency.
(5) The application combines a conveyor belt mode to carry out drying, realizes a movable drying mode of drying in the conveying process, and obviously improves the drying efficiency and uniformity.
(6) The device realizes the adoption of a micro-airflow circulation mode, combines a high-temperature evaporation mode at the bottom of the conveyor belt, maximizes the interception of airflow heat, obviously improves the drying and dehydration efficiency, finally achieves the aim of basically keeping the moisture on the surfaces and the inside of the livestock and poultry manure, prevents the surface from being overdry and the moisture content on the surfaces and the inside of the livestock and poultry manure from being different, obviously improves the quality of the organic fertilizer raw material before treatment, and provides high-quality raw materials for subsequent organic fertilizer treatment.
Drawings
FIG. 1 is a cross-sectional view of a dewatering conveyor of the present application;
FIG. 2 is a schematic diagram of the connection structure of the present application;
FIG. 3 is a schematic diagram of a hot gas outlet pipe according to the present application;
FIG. 4 is a schematic view of the structure of the air return suction head of the present application;
figure 5 is a cut-away view of figure 4 A-A of the present application.
Detailed Description
As shown in fig. 1 to 5, the 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 dewatering conveyor comprises a heat-insulating cover 1 covering the outside of the conveyor assembly; the heat-insulating outer cover 1 is fixed on the conveyor belt bracket 11 to cover the conveyor belt, and only enough feeding and discharging gaps are reserved at the feeding port and the discharging port, and the bottom plate cover 7 is also arranged; a plurality of hot air outlet pipes 4 are distributed in the heat preservation outer cover 1, two ends of each hot air outlet pipe 4 are fixed on the side wall of the heat preservation outer cover 1, and one end of each hot air outlet pipe is communicated with an air inlet header pipe 3; a plurality of ventilation small holes 4-1 are formed in the middle of the pipe wall of the hot air outlet pipe 4; the hot air outlet pipes 4 are distributed above a conveyor belt 5 of the conveyor belt assembly, and a plurality of hot air outlet pipes 4 are uniformly distributed along the moving direction of the conveyor belt 5; the hot air flow outlet pipe 4 of the embodiment comprises an air inlet outer pipe 4-4 and an air inlet inner pipe 4-3, wherein two ends of the air inlet outer pipe 4-4 are sealed, and the pipe cavity of the hot air flow outlet pipe 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 and 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 way; the middle part of the side wall of the air inlet outer tube 4-4 is provided with a plurality of ventilation small holes 4-1. A plurality of air return suction heads 9 are also distributed on the inner side of the conveyor belt 5; the air return suction head 9 is provided with an air suction port 9-1; in order to improve the heat transfer effect, the air flow back suction head of the embodiment is made of aluminum materials, and of course, the air flow back suction head can also be made of other alloy materials with good heat transfer effects.
The section of the air flow return suction head 9 of the embodiment is of a nearly square structure, the bottom of the air flow return suction head is provided with an air suction cavity 9-3, the upper middle part of the air flow return suction head is provided with a plurality of supporting tables 9-2 with cross sections which are distributed transversely and are nearly T-shaped, and the lower part of each supporting table 9-2 is of a trapezoid structure; the supporting tables 9-2 are distributed at intervals; the lower part of the supporting table 9-2 is communicated with the air suction cavity 9-3; the middle part of the supporting table 9-2 is provided with a plurality of air inlets 9-1; the lower part of the suction cavity is communicated with the suction header pipe 10 through a branch pipe 6; the top of the air return suction head 9 is disposed adjacent the inner side of the conveyor. Naturally, to ensure support of the conveyor belt 5, the inner side is also provided with a conveyor belt support plate 16, which supports its load bearing.
The air suction header pipe 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; the air outlet of the air pump 14 is communicated with the air inlet of the air heating box 13; the air outlet of the air heating box 13 is also communicated with the air inlet main pipe 3 through an outer pipe 12.
When the hot air outlet pipes are distributed, three (or more) hot air outlet pipes form an exhaust pipe row, and the exhaust pipe row and the air return suction head are distributed in a staggered manner from top to bottom, so that the contact effect of hot air on the livestock and poultry manure raw materials is improved, excessive moisture on the surfaces of the livestock and poultry manure raw materials is taken away more rapidly, and the water content of the surface layer is reduced to be required. The application can also prevent the direct impact of hot air flow on the livestock and poultry manure raw material, which causes the partial drying of the surface of the livestock and poultry manure raw material and affects the livestock and poultry manure in the later stage.
The method for dehydrating and controlling the wet of the livestock and poultry manure by using the livestock and poultry manure moisture control conveying system comprises the following steps of:
(1) The air flow speed above the conveyor belt is controlled to be less than 3.5m/s (low air speed), the temperature is 45-85 ℃ (namely the air flow temperature above the conveyor belt), the uniform distribution of air flow can be realized under the condition that the air flow speed is kept to be less than 3.5m/s, the uniform drying effect of raw materials can be achieved, the obvious dehydration drying effect can be achieved only by adopting a common device with the medium-high air speed higher than 3.5m/s, and the conventional device with the air flow speed lower than 3.5m/s is not only uneven in drying, high in energy consumption and long in time consumption, so that the conventional drying device with the air flow speed higher than 3.5m/s is adopted in actual drying;
(2) And (3) superposing and combining the dehydration conveyor belts until the livestock and poultry manure is dried until the water content is between 55 and 65 percent, and discharging.
Further, the air flow speed is 1.5-3.0 m/s, and the temperature is 65 ℃.
Claims (5)
1. The utility model provides a dirty accuse wet conveying system of beasts and birds excrement 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 covered outside the conveyor belt assembly; a plurality of hot air outlet pipes are distributed in the heat preservation outer cover, two ends of each hot air outlet pipe are fixed on the side wall of the heat preservation outer cover, and one end of each hot air outlet pipe is communicated with an air inlet main pipe; a plurality of ventilation small holes are formed in the middle of the pipe wall of the hot air outlet pipe; the hot air outlet pipes are distributed above the conveyor belt of the conveyor belt assembly, and a plurality of hot air outlet pipes are uniformly distributed along the moving direction of the conveyor belt; a plurality of air return suction heads are also distributed on the inner side of the conveyor belt; the air flow back suction head is provided with an air suction port; the plurality of air flow return suction heads are communicated with an air suction main pipe; the air suction header pipe is communicated with the air inlet of the air dryer through the outer pipe, and the drying air outlet of the air dryer is communicated with the air inlet of the air pump; the air outlet of the air pump is communicated with the air inlet of the air heating box; the air outlet of the air heating box is communicated with the air inlet main pipe;
the section of the air flow back suction head is of a nearly square structure, the bottom of the air flow back suction head is provided with an air suction cavity, the upper middle part of the air flow back suction head is provided with a plurality of supporting tables with transverse distribution and nearly T-shaped sections, and the lower parts of the supporting tables are of trapezoid structures; the supporting tables are distributed at intervals; the lower part of the supporting table is communicated with the air suction cavity; the middle part of the supporting table is provided with a plurality of air inlets; the lower part of the air suction cavity is communicated with the air suction main pipe through a branch pipe; the air return suction head is distributed close to the inner side surface of the dehydration conveyor belt;
the hot air outlet pipe comprises an air inlet outer pipe and an air inlet inner pipe, the two ends of the air inlet outer pipe are sealed, and the pipe cavity of the hot air outlet pipe is a conical pipe cavity; the air inlet inner pipe is inserted from the large-caliber end of the conical pipe cavity and extends to the other end close to the conical pipe cavity so as to be connected with the air inlet outer pipe in a sealing way; and the middle part of the side wall of the air inlet outer tube is provided with a plurality of ventilation small holes.
2. The livestock and poultry manure humidity control conveying system according to claim 1, wherein: the air flow back suction head is made of aluminum materials.
3. The livestock and poultry manure humidity control conveying system according to claim 1, wherein: and a plurality of hot air outlet pipes form an exhaust pipe row, and the exhaust pipe row and the air return suction head are distributed in a staggered manner from top to bottom.
4. A method for dewatering and controlling the humidity of the livestock and poultry manure by using the livestock and poultry manure humidity control conveying system as claimed in any one of claims 1 to 3, which is characterized by comprising 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 (3) superposing and combining the dehydration conveyor belts until the livestock and poultry manure is dried until the water content is between 55 and 65 percent, and discharging.
5. The method for dewatering and controlling the humidity of the livestock and poultry manure according to claim 4, which is characterized in that: the air flow speed is 1.5-3.0 m/s, and the temperature is 65 ℃.
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| 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 CN112573797A (en) | 2021-03-30 |
| CN112573797B true 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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| CN112573797A (en) | 2021-03-30 |
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