CN210184150U - Pig house trench ventilation system - Google Patents
Pig house trench ventilation system Download PDFInfo
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- CN210184150U CN210184150U CN201920595872.5U CN201920595872U CN210184150U CN 210184150 U CN210184150 U CN 210184150U CN 201920595872 U CN201920595872 U CN 201920595872U CN 210184150 U CN210184150 U CN 210184150U
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Abstract
The utility model discloses a pigsty trench ventilation system, including the dung ditch of pigsty ground and the air duct in the dung ditch, the dung ditch is covered by the dung leaking plate with the opening, the dung ditch bottom is the dung ditch bottom plate, the air duct is covered by the upper cover plate without the opening, the air duct bottom is also the dung ditch bottom plate, the dung ditch is separated from the air duct by the side wall; a plurality of rectangular ventilation holes are formed at the junction of the side wall and the upper cover plate, the height of the plurality of rectangular ventilation holes is smaller than that of the side wall, and the bottom edges of the rectangular ventilation holes do not reach the dung ditch bottom plate; the ventilation duct is long and narrow, the middle part of the ventilation duct is connected with an upwards extending air suction duct, the air suction duct extends to the ceiling of the pigsty, and the top of the air suction duct is provided with an exhaust fan. The utility model discloses a pig house trench ventilation system can obviously improve ventilation effect, the guarantee evenly ventilates.
Description
Technical Field
The utility model belongs to the automatic extensive breed technique especially involves the livestock farm structure of extensive breed.
Background
At present, large-scale culture technology is more and more popular, the culture cost can be obviously reduced, and the benefit can be improved, but the large-scale culture can cause the problems of pollution of the atmosphere and the water body. For example, toxic and harmful gases, dust, pathogenic microorganisms and the like generated by a farm can be diffused and spread along with the atmosphere after being discharged into the atmosphere. When these substances are discharged in amounts exceeding the tolerance of the atmospheric environment (self-cleaning ability), they are harmful to humans and animals. According to the test, a 10-million pig farm which is slaughtered in one year can discharge nearly 148 kg of ammonia (NH3), 13.5 kg of hydrogen sulfide (H2S), 24 kg of dust and 14 hundred million of thalli to the atmosphere every hour, the pollution radius of the substances can reach 5 kilometers, and the dust and disease microorganisms can spread for more than 30 kilometers along with wind. To avoid this problem, it is necessary to use active ventilation techniques for the farm, i.e. active air circulation using an exhaust fan system.
In the conventional single-span large-scale pigsty trench ventilation system, a fan is generally arranged at one end of a trench, and the air duct of the large-scale pigsty is usually longer and is more than 30 meters. The design mode that sets up the fan in trench one end can't make the head end and the end of whole full-length wind channel accomplish to ventilate unanimously evenly, it is obvious to be close to fan side ventilation effect usually, and keep away from fan side ventilation effect and be more and more poor even no air flow phenomenon, just so can not in time effectual outside the house of discharging through the trench ventilation system and rise to above the ground in the excrement ditch that leads to partial position, lead to the interior air quality of pig house poor, do not really reach the purpose of trench ventilation, arouse some diseases to take place easily.
SUMMERY OF THE UTILITY MODEL
Because the fan side ventilation effect is kept away from to partial irrigation canals and ditches among the solution prior art is more and more poor even no air flow phenomenon, just so lead to harmful gas in the excrement ditch at partial position can not in time effectually discharge the house through trench ventilation system and rise to above ground, lead to the air quality poor in the pig house, do not really reach the purpose of trench ventilation, arouse the technical problem that some diseases take place easily, the utility model provides a pig house trench ventilation system can improve ventilation efficiency.
In order to achieve the purpose, the utility model adopts the following technical scheme.
A pigsty trench ventilation system comprises a dung trench under the ground of a pigsty and a ventilation channel in the dung trench, wherein the dung trench is covered by a dung leaking plate with an opening, the bottom of the dung trench is a dung trench bottom plate, the ventilation channel is covered by an upper cover plate without an opening, the bottom of the ventilation channel is also the dung trench bottom plate, and the dung trench and the ventilation channel are separated by a side wall;
a plurality of rectangular ventilation holes are formed at the junction of the side wall and the upper cover plate, the height of the plurality of rectangular ventilation holes is smaller than that of the side wall, and the bottom edges of the rectangular ventilation holes do not reach the dung ditch bottom plate;
the pig house is characterized in that the ventilation channel is long and narrow, the middle part of the ventilation channel is connected with the air extraction channel extending upwards, the air extraction channel extends to the ceiling of the pig house all the time, the top of the air extraction channel is provided with an exhaust fan, and the exhaust fan is used for extracting air in the ventilation channel and the air extraction channel out of the ceiling of the pig house.
The utility model discloses in, a plurality of rectangle ventilation entrance to a cave is in along ventiduct length direction the mode of arranging on the lateral wall does: the arrangement interval of the adjacent rectangular ventilation holes is inversely proportional to the average distance between the adjacent rectangular ventilation holes and the air extraction duct extending upwards.
Or, in the utility model discloses in, a plurality of rectangle ventilation entrance to a cave is in the mode of arranging on the lateral wall does: the width of any one of the rectangular ventilation holes is in direct proportion to the distance between the rectangular ventilation hole and the upwards extending air suction duct.
In particular, the air duct is provided at a middle position of the manure pit.
In addition, the ventilation channel is also provided with an auxiliary ventilation channel which is vertically arranged in the horizontal plane with the elongated shape, so that the ventilation length of the ventilation channel is increased.
Adopt the utility model discloses a pig house trench ventilation system can gain following technological effect.
Firstly, for among the prior art, the air exhauster of air duct system is installed in the one end of excrement ditch usually, but to the pig house of overlength air duct, because the air exhauster is too long apart from the farthest end of air duct, the air mobility is more far away apart from the air exhauster is less, so the farthest end of air duct does not have ventilation effect basically, the utility model discloses then shorten about half with the distance of air duct farthest end to the air exhauster, strengthened the effect of ditch ventilation greatly, guarantee the homogeneity of air duct head end and terminal ventilation, outside the house of in time effectively discharging harmful gas in the excrement ditch, guarantee the interior air quality of house, reduce the disease and take place.
Secondly, the utility model discloses can be according to the different conditions of various pig houses, guarantee on the terminal even basis that ventilates of excrement ditch head end accurate installation interval, the sectional area of rectangle vent and adopt conventional material to realize its design effect during actual construction, really accomplish the terminal even ventilation of excrement ditch head end, solve the problem of the unable homogeneity of accomplishing excrement ditch head end and terminal ventilation of common circular ventilation pipe, outside the house of in time effectively discharging harmful gas in the excrement ditch, guarantee the interior air quality of house, the disease reduction takes place.
Drawings
Fig. 1 is a schematic view of the overall structure of a ventilation system of a pigsty trench according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure view of a ventilation system of a pigsty trench according to an embodiment of the present invention.
Fig. 3 is a schematic view of a part of a ventilation system for a piggery trench according to an embodiment of the present invention.
Fig. 4 is a schematic view of a partial cross-sectional structure of a ventilation system for a piggery trench according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Detailed exemplary embodiments are disclosed below. However, specific structural and functional details disclosed herein are merely for purposes of describing example embodiments.
It should be understood, however, that the invention is not to be limited to the particular exemplary embodiments disclosed, but to cover all modifications, equivalents, and alternatives falling within the scope of the present disclosure. Like reference numerals refer to like elements throughout the description of the figures.
Referring to the drawings, the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. Meanwhile, the position limitation terms cited in the present specification are for clarity of description only, and are not intended to limit the scope of the present invention, and the changes or adjustments of the relative relationship thereof should be considered as the scope of the present invention without substantial changes in the technical content.
It will also be understood that the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. It will be further understood that when an element or unit is referred to as being "connected" or "coupled" to another element or unit, it can be directly connected or coupled to the other element or unit or intervening elements or units may also be present. Moreover, other words used to describe the relationship between components or elements should be understood in the same manner (e.g., "between" versus "directly between," "adjacent" versus "directly adjacent," etc.).
Fig. 1 is a schematic view showing the overall structure of a ventilation system of a pigsty trench according to the present invention, and fig. 2 is a schematic view showing the cross-sectional structure of a ventilation system of a pigsty trench according to the present invention. As shown in fig. 1 and 2, the present invention firstly discloses a piggery trench ventilation system, comprising a trench 10 under the ground of a piggery and a ventilation duct 20 in the trench, wherein the trench 10 is covered by a dung-leaking plate 102 with an opening, the bottom of the trench is a bottom plate 101 of the trench, the ventilation duct 20 is covered by an upper cover plate without an opening, the bottom of the ventilation duct is also the bottom plate 101 of the trench, and the trench 10 is separated from the ventilation duct 20 by a side wall;
a plurality of rectangular ventilation holes 201 are formed at the junction of the side wall and the upper cover plate, the height of the plurality of rectangular ventilation holes 201 is smaller than that of the side wall, and the bottom edge of the rectangular ventilation hole 201 does not reach the bottom plate of the dung trench;
the ventilating duct 20 is long and narrow, the middle part of the ventilating duct is connected with an upwards extending air suction duct, the air suction duct extends to the ceiling of the pigsty, the top of the air suction duct is provided with an exhaust fan 30, and the exhaust fan 30 is used for pumping air in the ventilating duct and the air suction duct out of the ceiling of the pigsty.
Consequently install the one end at the excrement ditch usually for the air exhauster of air duct system among the prior art, but to the pig house of overlength air duct, because the air exhauster is too long apart from the farthest end of air duct, the air mobility is more far away from the air exhauster is less, so the farthest end of air duct does not basically have the defect of ventilation effect, the utility model discloses then shorten about half with the distance of air duct 20 farthest end to air exhauster 30, strengthened the effect of trench ventilation greatly, guarantee the homogeneity of air duct 20 head end and terminal ventilation, in time effectively discharge the pig house with harmful gas in the excrement ditch 10 outside, guarantee the interior air quality of pig house, reduce the disease and take place.
Fig. 3 is a schematic view showing a part of a ventilation system of a pigsty trench according to an embodiment of the present invention, and fig. 4 is a schematic view showing a part of a cross-sectional structure of a ventilation system of a pigsty trench according to an embodiment of the present invention. As shown in fig. 3 and 4, in an embodiment of the present invention, the plurality of rectangular ventilation holes 201 are arranged on the side wall along the length direction of the ventilation duct 20 in a manner that: the arrangement interval of the adjacent rectangular ventilation holes 201 is inversely proportional to the average distance between the adjacent rectangular ventilation holes 201 and the upward extending air draft duct.
Alternatively, in another embodiment of the present invention, the plurality of rectangular ventilation holes 201 are arranged on the side wall in a manner that: the width of any one of the plurality of rectangular ventilation holes 201 is proportional to the distance of the rectangular ventilation hole 201 from the upwardly extending extraction duct.
The two embodiments have the following common points: the distance from the exhaust duct that upwards extends is farther, then rectangle ventilation entrance to a cave 201 sets up more intensively, perhaps single rectangle ventilation entrance to a cave 201 sets up more widely, and thus, the utility model discloses can be according to the different conditions of various pig houses, guarantee that data such as rectangle vent 201 are accurate to be determined on the terminal even basis that ventilates of excrement ditch head end and adopt conventional material to realize its design effect during actual construction, really accomplish the terminal even ventilation of head end of ventilation duct 20, solve the problem of the homogeneity that excrement ditch head end and terminal ventilation can't be accomplished to common circular ventilation pipe, with in the excrement ditch harmful gas in time effectively discharge outside the house, guarantee the interior air quality of house, reduce the disease and take place.
In particular, in one embodiment of the present invention, the air duct 20 is disposed at a middle position of the manure pit 10. This can ensure the maximum utilization of the air duct 20 and ventilate the manure pit 10 with a larger area.
In addition, in an embodiment of the present invention, the air duct 20 further has an auxiliary air duct vertically arranged in the horizontal plane with the elongated shape, so as to increase the ventilation length of the air duct 20. Such arrangement can enhance the ventilation effect of the air duct 20, and further promote the emission of harmful gas.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. A pigsty trench ventilation system comprises a dung trench under the ground of a pigsty and a ventilation channel in the dung trench, wherein the dung trench is covered by a dung leaking plate with an opening, the bottom of the dung trench is a dung trench bottom plate, the ventilation channel is covered by an upper cover plate without an opening, the bottom of the ventilation channel is also the dung trench bottom plate, and the dung trench and the ventilation channel are separated by a side wall;
a plurality of rectangular ventilation holes are formed at the junction of the side wall and the upper cover plate, the height of the plurality of rectangular ventilation holes is smaller than that of the side wall, and the bottom edges of the rectangular ventilation holes do not reach the dung ditch bottom plate;
the pig house is characterized in that the ventilation channel is long and narrow, the middle part of the ventilation channel is connected with the air extraction channel extending upwards, the air extraction channel extends to the ceiling of the pig house all the time, the top of the air extraction channel is provided with an exhaust fan, and the exhaust fan is used for extracting air in the ventilation channel and the air extraction channel out of the ceiling of the pig house.
2. The piggery trench ventilation system of claim 1, wherein the plurality of rectangular ventilation holes are arranged on the side wall along the length direction of the ventilation channel in a manner that: the arrangement interval of the adjacent rectangular ventilation holes is inversely proportional to the average distance between the adjacent rectangular ventilation holes and the air extraction duct extending upwards.
3. The pigsty trench ventilation system of claim 1, wherein the plurality of rectangular ventilation holes are arranged in the side walls in a manner that: the width of any one of the rectangular ventilation holes is in direct proportion to the distance between the rectangular ventilation hole and the upwards extending air suction duct.
4. The piggery trench ventilation system of claim 1, wherein the ventilation channel is provided at a middle position of the trench.
5. The pigsty trench ventilation system of claim 1, wherein the ventilation channel further comprises an auxiliary ventilation channel vertically arranged in a horizontal plane with respect to the elongated shape, for increasing the ventilation length of the ventilation channel.
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CN201920595872.5U CN210184150U (en) | 2019-04-28 | 2019-04-28 | Pig house trench ventilation system |
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CN201920595872.5U CN210184150U (en) | 2019-04-28 | 2019-04-28 | Pig house trench ventilation system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113875600A (en) * | 2021-09-23 | 2022-01-04 | 温氏食品集团股份有限公司 | Ventilation system suitable for pig house |
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2019
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113875600A (en) * | 2021-09-23 | 2022-01-04 | 温氏食品集团股份有限公司 | Ventilation system suitable for pig house |
CN113875600B (en) * | 2021-09-23 | 2022-11-25 | 温氏食品集团股份有限公司 | Ventilation system suitable for pig house |
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