CN109729981B - Air dehumidifying, purifying, temperature-adjusting and exhausting system for hog house in cold region - Google Patents
Air dehumidifying, purifying, temperature-adjusting and exhausting system for hog house in cold region Download PDFInfo
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- CN109729981B CN109729981B CN201910010674.2A CN201910010674A CN109729981B CN 109729981 B CN109729981 B CN 109729981B CN 201910010674 A CN201910010674 A CN 201910010674A CN 109729981 B CN109729981 B CN 109729981B
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Abstract
An air dehumidifying, purifying, temperature regulating and exhausting system for a hog house in a cold region belongs to livestock raising facilities; the system comprises a condensation system consisting of an air inlet pipe outside the house, an air filter outside the house, a condensation inner pipe and an outer pipe, a gas-liquid separation system consisting of a gas and liquefied water discharge pipe inside the condensation inner pipe and the outer pipe, a liquefied water collector, an air discharge main pipe outside the house, an air discharge branch pipe outside the house, an air liquefied water discharge pipe outside the house and a gas discharge pipe inside the house, an air cleaning system consisting of a gas purifier inside the house and the air filter outside the house, and an automatic control system consisting of a temperature sensor, a humidity sensor, a temperature controller, a humidity controller, a frequency converter, a heater and an air exhaust fan inside the house; the system solves the problems that the air outlet of the pigsty in the cold region can not work normally in winter and the condition in the pigsty is poor, and has the characteristics of novel, scientific and reasonable structure, good dehumidification, purification and temperature adjustment air exhaust effects in the pigsty, high automation degree and strong applicability.
Description
Technical Field
The invention belongs to livestock raising facilities, and mainly relates to a pigsty air dehumidifying, purifying, temperature adjusting and exhausting system suitable for cold regions.
Background
In the intensive pig raising production, the space in the pigsty is relatively closed due to high raising density, and the air circulation is poor, so that the air humidity in the pigsty is high, the content of harmful gas is high, and the health level of the pigsty is influenced. Ventilation can introduce the house with the outside fresh air in, guarantees to have sufficient oxygen in the house, gets rid of harmful gas such as heat, humidity, dust, ammonia, hydrogen sulfide and carbon dioxide in the house, improves the air quality in the house. Different seasons are different to the purpose of pig house ventilation, and hot high temperature summer, a large amount of waste heat in the house can be got rid of in the ventilation, reduces high temperature in the house, and the pig can feel comfortable, can alleviate the harmful effects of high temperature to the pig, and in winter, ventilation is in order to introduce the outside fresh air of house, gets rid of the interior foul air of house, reduces the steam in the house, reduces humidity in the house. However, the temperature outside the house in winter in cold regions is low, the wet air directly discharged from the house can cause serious freezing of the air outlet, the air cannot be discharged outwards normally, faults are more, the operation efficiency is low, the operation effect is poor, and the growth of pigs is influenced.
Disclosure of Invention
The invention aims to provide a piggery internal air dehumidifying, purifying, temperature regulating and air exhausting system which is low in cost, simple, high-efficiency and suitable for the characteristics of northern cold region climate, realizes the condensation and moisture recovery of the humid air in the piggery by utilizing the waste heat of the exhausted air and the difference between the internal temperature and the external temperature of the piggery, and achieves the purposes of good effects of dehumidifying, purifying, temperature regulating and air exhausting of the piggery, high efficiency, few faults and reliable use.
The invention is realized by that a condensation inner pipe and a condensation outer pipe are arranged on the outer part of a house wall body, the condensation outer pipe is sleeved and arranged on the outer part of the condensation inner pipe, and a front annular cavity is arranged between the inner surface of the pipe wall of the condensation outer pipe and the outer surface of the pipe wall of the condensation inner pipe; an outside air inlet pipe which is provided with an outside air filter is communicated with the front annular cavity; the gas-liquid separation outer pipe is arranged on the house wall body, the gas-liquid separation inner pipe is inserted and arranged in the pipe cavity of the gas-liquid separation outer pipe, a rear annular cavity is arranged between the inner surface of the pipe wall of the gas-liquid separation outer pipe and the outer surface of the pipe wall of the gas-liquid separation inner pipe, the gas-liquid separation inner pipe is communicated with the condensation inner pipe, and the rear annular cavity is communicated with the front annular cavity; an in-house gas purifier and a liquefied water collector are respectively arranged in the wall body of the house, the in-house gas purifier is communicated with the condensation inner pipe through an in-house gas conveying pipe, and the liquefied water collector is communicated with the gas-liquid separation inner pipe through an in-house gas and liquefied water discharge pipe; the outside air discharge main pipe which is provided with the outside air introducing fan and the electromagnetic valve B is communicated with the rear annular cavity, and the discharge port of the outside air discharge main pipe is positioned outside the house wall body; the two ends of an outside air liquefied water discharge pipe which is provided with an electromagnetic valve A are respectively connected with the gas-liquid separation outer pipe and the inside air and liquefied water discharge pipe, and the outside air liquefied water discharge pipe communicates the rear annular cavity with the inside air and liquefied water discharge pipe; the outside air discharge branch pipe is arranged on the outside air discharge main pipe and is positioned between the outside air introducing fan and the electromagnetic valve B, the electromagnetic valve C, the heater and the temperature sensor are arranged on the outside air discharge branch pipe, and the temperature controller arranged in the wall body of the house is respectively connected with the temperature sensor and the heater; the house internal gas discharge pipe and the house internal gas and liquefied water discharge pipe of the house internal gas induced air machine and the humidity sensor are matched and assembled to be communicated, an exhaust port of the house internal gas discharge pipe is positioned outside a house wall body, the humidity sensor is connected with the house internal gas induced air machine through a humidity controller and a frequency converter which are configured in the house wall body, and thus the cold-region pigsty air dehumidification, purification, temperature regulation and exhaust system is formed.
According to the invention, the air purification system in the pigsty is arranged in the exhaust channel, the air dehumidification, purification, temperature regulation and exhaust system in the pigsty in the cold region is designed by utilizing a heat transfer principle and an inertia separation principle, so that the problem that the exhaust outlet of the pigsty in the cold region cannot normally work due to freezing is solved, in winter, the exhausted wet air is condensed and dried by utilizing the temperature difference between the inside and the outside of the pigsty and the inertia force and then is discharged, and the condensed water is introduced into the pigsty to be recycled and discharged; in summer, the gas in the house can be directly discharged by the fan after being purified, and the device has the characteristics of novel, scientific and reasonable structure, good dehumidification, purification, temperature regulation and air exhaust effects of the gas in the house, high automation degree, strong applicability, few operation faults and energy conservation, and provides technical support for improving the condition of the pig house in the cold region.
Drawings
FIG. 1 is a schematic view of the general structure of a dehumidifying, purifying, temperature-adjusting and air-exhausting system for pig house air in cold region.
Description of part numbers in the figures:
1. an outside air intake pipe, 2, an outside air filter, 3, an inside gas delivery pipe, 4, an inside gas purifier, 5, an inside gas discharge pipe, 6, a humidity sensor, 7, an inside gas exhaust fan, 8, solenoid valves A, 9, an outside air liquefied water discharge pipe, 10, an inside gas and liquefied water discharge pipe, 11, a liquefied water collector, 12, an outside air discharge branch pipe, 13, a temperature sensor, 14, a heater, 15, a solenoid valve B, 16, an outside air discharge main pipe, 17, a solenoid valve C, 18, an outside air intake fan, 19, an inside gas-liquid separation pipe, 20, an outside gas-liquid separation pipe, 21, an inside condensation pipe, 22, an outside condensation pipe, 23, a house wall, 24, a front annular cavity, 25, a rear annular cavity, 26, a humidity controller, 27, a frequency converter, 28, and a temperature controller.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. A pigsty air dehumidifying, purifying, temperature-adjusting and air exhausting system in a cold region is characterized in that a condensation inner pipe 21 and a condensation outer pipe 22 are installed on the outer portion of a pigsty wall 23, the condensation outer pipe 22 is installed on the outer portion of the condensation inner pipe 21 in a matching mode, and a front annular cavity 24 is arranged between the inner surface of the pipe wall of the condensation outer pipe 22 and the outer surface of the pipe wall of the condensation inner pipe 21; an external air inlet pipe 1 of the external air filter 2 is communicated with the front annular cavity 24; the gas-liquid separation outer pipe 20 is arranged on the shed wall body 23, the gas-liquid separation inner pipe 19 is inserted and arranged in the pipe cavity of the gas-liquid separation outer pipe 20, a rear annular cavity 25 is arranged between the inner surface of the pipe wall of the gas-liquid separation outer pipe 20 and the outer surface of the pipe wall of the gas-liquid separation inner pipe 19, the gas-liquid separation inner pipe 19 is communicated with the condensation inner pipe 21, and the rear annular cavity 25 is communicated with the front annular cavity 24; a house gas purifier 4 and a liquefied water collector 11 are respectively arranged in the house wall 23, the house gas purifier 4 is communicated with the condensation inner pipe 21 through a house gas conveying pipe 3, and the liquefied water collector 11 is communicated with the gas-liquid separation inner pipe 19 through the house gas and liquefied water discharge pipe 10; the outside air discharge main pipe 16 equipped with the outside air introducing blower 18 and the electromagnetic valve B15 is communicated with the rear annular cavity 25, and the discharge port of the outside air discharge main pipe 16 is located outside the outside of the house wall body 23; the two ends of an outside air liquefied water discharge pipe 9 equipped with an electromagnetic valve A8 are respectively connected with the gas-liquid separation outer pipe 20 and the inside air and liquefied water discharge pipe 10, and the outside air liquefied water discharge pipe 9 communicates the rear annular cavity 25 with the inside air and liquefied water discharge pipe 10; an outside air discharge branch pipe 12 which is provided on the outside air discharge main pipe 16 and is communicated with each other at a position between the outside air introduction fan 18 and the electromagnetic valve B15, the electromagnetic valve C17, the heater 14 and the temperature sensor 13 are provided on the outside air discharge branch pipe 12, and the temperature controller 28 which is provided in the outside air discharge main pipe 23 is connected with the temperature sensor 13 and the heater 14, respectively; the house internal gas discharge pipe 5 and the house internal gas and liquefied water discharge pipe 10 which are matched with the house internal gas lead-out fan 7 and the humidity sensor 6 are communicated, the exhaust port of the house internal gas discharge pipe 5 is positioned outside the house wall body 23, and the humidity sensor 6 is connected with the house internal gas lead-out fan 7 through a humidity controller 26 and a frequency converter 27 which are arranged in the house wall body 23 in sequence.
When the outdoor air-cooling condensation device works in winter, the electromagnetic valve B15 is closed, the electromagnetic valve C17 is opened, the outdoor air introducing fan 18 and the indoor air introducing fan 7 are started, and under the action of the outdoor air introducing fan 18, outdoor cold air is filtered by the outdoor air filter 2 and then enters the front annular cavity 24 between the condensation outer pipe 22 and the condensation inner pipe 21, so that the temperature of the condensation inner pipe 21 is reduced; meanwhile, under the action of the air leading-out fan 7 in the pigsty, the air in the pigsty wall 23 is purified by the air purifier 4 in the pigsty and then enters the condensation inner tube 21 through the air pipe 3 in the pigsty, the temperature of the condensation inner tube is reduced through heat exchange, and when the temperature reaches the liquefaction temperature, the vapor in the air in the pigsty is liquefied. The condensed liquefied water flows into the gas and liquefied water discharge pipe 10 in the house through the gas-liquid separation inner pipe 19 under the combined action of the self gravity and the gas lead-out fan 7 in the house, and enters the liquefied water collector 11 through the gas and liquefied water discharge pipe 10 in the house, and the gas after gas-liquid separation is discharged to the outside through the gas discharge pipe 5 in the house. When the humidity of the gas after gas-liquid separation cannot meet the requirement, the humidity sensor 6 adjusts the humidity of the gas after gas-liquid separation by adjusting the rotating speed of the gas leading-out fan 7 in the house through the humidity controller 26 and the frequency converter 27. The opening and closing of the solenoid valve A8 at regular time allows the liquefied water produced by condensation on the outside of the condensation inner tube 21 to flow through the outside air liquefied water discharge pipe 9 and also to enter the liquefied water collector 11. The outdoor air entering the front annular cavity 24 between the condensation outer pipe 22 and the condensation inner pipe 21 continuously enters the gas-liquid separation inner and outer pipes 19 and 20 under the action of the external air introducing fan 18, is heated to a set temperature by the heater 14, and is discharged into the pigsty. When the heater 14 is out of order, the electromagnetic valve C17 is closed, the electromagnetic valve B15 is opened, and the unheated cool outdoor air is directly discharged to the outside of the house through the outdoor air discharge main pipe 20.
When the pigsty works in summer, the electromagnetic valve B15 is closed, the electromagnetic valve C17 is opened, the henhouse outside air introducing fan 18 and the henhouse inside gas leading-out fan 7 are started, and under the action of the henhouse outside air introducing fan 18, the henhouse outside air is filtered by the henhouse outside air filter 2 and then directly discharged into the pigsty through the condensation inner and outer pipes 21 and 22, the gas-liquid separation inner and outer pipes 19 and 20 and the henhouse outside air discharge branch pipe 12; under the action of the house gas exhaust fan 7, the gas in the pigsty is purified by the house gas purifier 4 and then is exhausted to the outside of the pigsty through the house gas transmission pipe 3, the condensation inner and outer pipes 21 and 22, the gas-liquid separation inner and outer pipes 19 and 20, the house gas and liquefied water exhaust pipe 10 and the house gas exhaust pipe 5.
Claims (1)
1. The utility model provides a cold district pig house air dehumidification purifies exhaust system that adjusts temperature which characterized in that: a condensation inner pipe (21) and a condensation outer pipe (22) are arranged on the outer part of a house wall body (23), the condensation outer pipe (22) is arranged on the outer part of the condensation inner pipe (21) in a matching way, and a front annular cavity (24) is arranged between the inner surface of the pipe wall of the condensation outer pipe (22) and the outer surface of the pipe wall of the condensation inner pipe (21); an outside air inlet pipe (1) matched with the outside air filter (2) is communicated with the front annular cavity (24); a gas-liquid separation outer pipe (20) is arranged on the house wall body (23), a gas-liquid separation inner pipe (19) is inserted and arranged in the pipe cavity of the gas-liquid separation outer pipe (20), a rear annular cavity (25) is arranged between the inner surface of the pipe wall of the gas-liquid separation outer pipe (20) and the outer surface of the pipe wall of the gas-liquid separation inner pipe (19), the gas-liquid separation inner pipe (19) is communicated with the condensation inner pipe (21), and the rear annular cavity (25) is communicated with the front annular cavity (24); an inside gas purifier (4) and a liquefied water collector (11) are respectively arranged in a house wall body (23), the inside gas purifier (4) is communicated with a condensation inner pipe (21) through an inside gas conveying pipe (3), and the liquefied water collector (11) is communicated with a gas-liquid separation inner pipe (19) through an inside gas and liquefied water discharge pipe (10); an outside air discharge main pipe (16) provided with an outside air introduction fan (18) and an electromagnetic valve B (15) is communicated with the rear annular cavity (25), and a discharge port of the outside air discharge main pipe (16) is positioned outside the house wall body (23); the two ends of an outside air liquefied water discharge pipe (9) provided with an electromagnetic valve A (8) are respectively connected with a gas-liquid separation outer pipe (20) and an inside air and liquefied water discharge pipe (10), and the outside air liquefied water discharge pipe (9) is used for communicating a rear annular cavity (25) with the inside air and liquefied water discharge pipe (10); the outside air exhaust branch pipe (12) is arranged on the outside air exhaust main pipe (16) and is positioned between the outside air introducing fan (18) and the electromagnetic valve B (15) and is communicated with each other, the electromagnetic valve C (17), the heater (14) and the temperature sensor (13) are arranged on the outside air exhaust branch pipe (12), and the temperature controller (28) arranged in the outside wall body (23) is respectively connected with the temperature sensor (13) and the heater (14); an indoor gas discharge pipe (5) provided with an indoor gas exhaust fan (7) and a humidity sensor (6) is communicated with an indoor gas and liquefied water discharge pipe (10), an exhaust port of the indoor gas discharge pipe (5) is positioned outside a house wall body (23), and the humidity sensor (6) is connected with the indoor gas exhaust fan (7) through a humidity controller (26) and a frequency converter (27) which are sequentially arranged in the house wall body (23);
the pigsty air dehumidifying, purifying, temperature-adjusting and air-exhausting system for the cold region arranges the air purifying system in the pigsty in an air-exhausting channel, designs the air dehumidifying, purifying, temperature-adjusting and air-exhausting system in the pigsty by utilizing a heat transfer principle and an inertia separation principle, and solves the problem that an air outlet of the pigsty in the cold region in winter is frozen and cannot work normally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010674.2A CN109729981B (en) | 2019-01-07 | 2019-01-07 | Air dehumidifying, purifying, temperature-adjusting and exhausting system for hog house in cold region |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010674.2A CN109729981B (en) | 2019-01-07 | 2019-01-07 | Air dehumidifying, purifying, temperature-adjusting and exhausting system for hog house in cold region |
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| Publication Number | Publication Date |
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| CN109729981A CN109729981A (en) | 2019-05-10 |
| CN109729981B true CN109729981B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910010674.2A Active CN109729981B (en) | 2019-01-07 | 2019-01-07 | Air dehumidifying, purifying, temperature-adjusting and exhausting system for hog house in cold region |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114631482B (en) * | 2022-02-07 | 2022-12-02 | 东北农业大学 | Cold region livestock and poultry house internal environment regulation and control system based on biomass energy heating |
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| CN201311008Y (en) * | 2008-11-25 | 2009-09-16 | 冉春雨 | Air source heat pump fresh air unit for recovery of waste heat of air conditioners in cold regions |
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| DE3505996A1 (en) * | 1985-02-21 | 1986-08-21 | Johannes 5227 Windeck Salz | Method and device for ventilating and dehumidifying spaces |
| RU2326528C2 (en) * | 2006-02-14 | 2008-06-20 | Государственное научное учреждение Всероссийский институт электрификации сельского хозяйства (ГНУ ВИЭСХ) | Waste heat disposal unit under low inlet air temperatures for livestock houses |
| CN204393045U (en) * | 2014-12-12 | 2015-06-17 | 吉林农业大学 | Pig house heat exchange open air exhaust device is closed in high and cold area |
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