CN109197612A - A kind of energy-saving environmental control system in pig farm and its control method - Google Patents
A kind of energy-saving environmental control system in pig farm and its control method Download PDFInfo
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- CN109197612A CN109197612A CN201811055066.5A CN201811055066A CN109197612A CN 109197612 A CN109197612 A CN 109197612A CN 201811055066 A CN201811055066 A CN 201811055066A CN 109197612 A CN109197612 A CN 109197612A
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- air
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
- A01K1/0082—Water misting or cooling systems
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/02—Pigsties; Dog-kennels; Rabbit-hutches or the like
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ventilation (AREA)
Abstract
The present invention relates to modernized pig raising technical fields, specifically disclose a kind of energy-saving environmental control system in pig farm and its control method, including pig house, air-conditioning device and controller, air-conditioning device is equipped with drip tray, spray pump, heat exchanger, spray tube and the cascade for being in turn connected to form water-flow circuit, the external wet curtain operating condition of the air inlet of air-conditioning device uses fresh wind tube using fresh wind tube and air conditioning condition, it is equipped with pressure fan at the air outlet of air-conditioning device, and is connect by header pipe with pig house；Pig house is equipped with exhaust outlet, and exhaust outlet pipeline connects air exhauster, and the pipeline of air exhauster air outlet is divided into wet curtain operating condition and uses air-exhausting duct and backwind tube using air-exhausting duct, air conditioning condition；Controller controls the working condition of controlled part by proportional integration regulating valve or with circuit connecting mode.The present invention is realized the automatic control to environment in modernized pig raising field, has been saved a large amount of human resources with least energy consumption.
Description
Technical field
The present invention relates to modernized pig raising technical field, the energy-saving environmental control system in especially a kind of pig farm and its
Control method.
Background technique
Currently, generalling use water screen humidifying cool-down method in the pig industry modernization farm of modernization to control
Modernized pig raising field environment temperature cannot effectively control humidity, and be all-fresh air mode.At summer, modernized pig raising field
Often beyond the limiting temperature of pig, modernized pig raising field environment temperature can not meet the normal physiological demand of pig, influences pig temperature
Normal growth, it is dead to even result in pig high temperature.If cooled down using air-conditioning directly to pig house, due to use Wind Volume, completely newly
Wind mode operation, investment and operating cost are especially high, are unfavorable for cost control and popularization and use.
Summary of the invention
In order to overcome the problems, such as that existing pig farm environmental control system control effect is undesirable, at high cost, energy consumption is high, this
Invention provides a kind of energy-saving environmental control system in pig farm.
The technical solution adopted by the present invention is that: a kind of energy-saving environmental control system in pig farm, including pig house, air-conditioning device
And controller, pig house are equipped with exhaust outlet；The air-conditioning device includes cabinet, is equipped with to be sequentially connected and form water in cabinet and is recycled back to
Drip tray, spray pump, heat exchanger, spray tube and the cascade of road spray system, the heat exchanger and the external chilled water of drip tray supply
Return pipe.The external wet curtain operating condition of the air inlet of air-conditioning device uses fresh wind tube using fresh wind tube and air conditioning condition, and air conditioning condition makes
It is connect after total-heat exchanger with air-conditioning device with fresh wind tube, pressure fan is equipped at the air outlet of air-conditioning device, and pass through air-supply
General pipeline is connect with pig house；The exhaust outlet connects air exhauster entrance, air exhauster outlet connection air draft general pipeline, institute by pipeline
Stating air draft general pipeline branch has wet curtain operating condition using air-exhausting duct and air conditioning condition using air-exhausting duct, and the air conditioning condition uses air-exhausting duct
It extends in total-heat exchanger.Wet curtain operating condition is equipped with fresh air Temperature Humidity Sensor, wet curtain operating condition using the air inlet of fresh wind tube
Using air draft Temperature Humidity Sensor is equipped at the exhaust outlet of air-exhausting duct, the chilled water is equipped with chilled water proportional integration for return pipe
Regulating valve, the wet curtain operating condition are equipped with fresh air proportion integral adjustment valve using fresh wind tube, and the wet curtain operating condition is set using air-exhausting duct
There is air draft proportional integration regulating valve；The fresh air Temperature Humidity Sensor, air draft Temperature Humidity Sensor, chilled water proportional integration are adjusted
Valve, fresh air proportion integral adjustment valve, air draft proportional integration regulating valve, spray pump, air exhauster and pressure fan pass through circuit respectively
It is connect with controller.
Preferably, there is the backwind tube for connecting air-conditioning device in air draft general pipeline branch, and the backwind tube is equipped with return air
Proportional integration regulating valve, return air ratio integral adjustment valve are connect by circuit with controller.
Further, the air conditioning condition is additionally provided with exhaust switch valve using air-exhausting duct.
Preferably, the oxygenerator for oxygen supply is connected with outside the air-conditioning device, oxygenerator is connected by circuit and controller
It connects.
Preferably, the drip tray and cascade use PE plastics, and water receiving panel surface is coated with silver ion for sterilization coating.
Further, the heat exchanger is epoxy resin spary coating type aluminum heat exchanger.
Preferably, the energy-saving environmental control system in the pig farm uses enthalpy value control method, by collecting fresh air and row
The temperature and humidity of wind adjusts the gas station of pig house, enthalpy value control method comprising steps of
S1: the temperature and humidity of detection fresh air and air draft；
S2: the difference of fresh air enthalpy, air draft enthalpy and air draft enthalpy and fresh air enthalpy is calculated；
S3: according to the two parameters of the difference of fresh air enthalpy, air draft enthalpy and fresh air enthalpy, it is in the minimum ventilation quantity of guarantee
0.35M3Under conditions of/HKG:
T1: when fresh air enthalpy is less than or equal to 30KJ/KG dry air, all-fresh air mode is selected；
T2: when fresh air enthalpy is greater than 30KJ/KG dry air, and the difference of air draft enthalpy and fresh air enthalpy is negative value, selection
Wet curtain mode；
T3: when fresh air enthalpy is greater than 30KJ/KG dry air, and the difference of air draft enthalpy and fresh air enthalpy is positive value, selection
Air conditioning mode.
The control method of all-fresh air mode: controller is controlled respectively by circuit and opens fresh air proportion integral adjustment valve, is closed
Exhaust switch valve is closed, total-heat exchanger is deactivated, closes return air ratio integral adjustment valve, opens air draft proportional integration regulating valve, is closed
Chilled water proportional integration regulating valve is closed, spray pump is closed.
The control method of wet curtain mode: controller is controlled respectively by circuit and opens fresh air proportion integral adjustment valve, is closed
Exhaust switch valve deactivates total-heat exchanger, closes return air ratio integral adjustment valve, opens air draft proportional integration regulating valve, opens
Chilled water proportional integration regulating valve opens spray pump.
The control method of air conditioning mode: controller is controlled respectively by circuit closes fresh air proportion integral valve regulation, air draft
Switch valve standard-sized sheet enables total-heat exchanger, opens return air ratio integral adjustment valve, closes air draft proportional integration regulating valve, opens
Chilled water proportional integration regulating valve opens spray pump.
The beneficial effects of the present invention are: being realized with least energy consumption to environment temperature, humidity, oxygen in modernized pig raising field
The automatic control of gas concentration and poultry raiser's working environment etc., while air draft process is passed through into excrement slot, deodorization can be played and reduces ammonia
The effect of gas concentration guarantees that environment reaches requirement in modernized pig raising field, reduces the operating cost of environmental control system, automatically
Change operation, saves a large amount of human resources.
Detailed description of the invention
Fig. 1 is gas switching system schematic diagram.
Fig. 2 is longitudinal ventilation mode Temperature and Humidity Control schematic diagram.
Fig. 3 is trench ventilation mode Temperature and Humidity Control schematic diagram.
In figure: 1, fresh air proportion integral adjustment valve；2, exhaust switch valve；3, air draft proportional integration regulating valve；4, air returning ratio
Example integral adjustment valve；5, wet curtain operating condition uses fresh wind tube；6, air conditioning condition uses air-exhausting duct；7, air conditioning condition uses fresh wind tube；
8, wet curtain operating condition uses air-exhausting duct；9, backwind tube；10, chilled water proportional integration regulating valve；11, drip tray；12, cascade；13, it sprays
Shower pipe；14, chilled water is for return pipe；15, oxygenerator；16, total-heat exchanger；17, fresh air Temperature Humidity Sensor；18, air draft temperature
Humidity sensor；19, spray pump；20, heat exchanger；21, pressure fan；22, air exhauster；23, controller；24, header pipe；
25, swinery position；26, excrement slot；27, lower exhaust outlet；28, upper exhaust outlet；29, trench.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
It referring to figs. 1 and 2, is a preferred embodiment of the present invention, i.e. longitudinal ventilation mode Temperature and Humidity Control mode,
Upper exhaust outlet 28, lower exhaust outlet 27, excrement slot 26 and swinery position 25 are equipped in pig house, wherein excrement slot 26 and the layering of swinery position 25 and excrement
Slot 26 is connected to lower exhaust outlet 27.Be equipped in air-conditioning device be in turn connected to form water-flow circuit spray system drip tray 11,
Spray pump 19, heat exchanger 20, spray tube 13 and cascade 15, cascade 12 and drip tray 11 use PE plastics, and 11 surface of drip tray is also
It is coated with silver ion for sterilization coating, heat exchanger 20 is epoxy resin spary coating type aluminum heat exchanger, recycles exhaust gas cooling capacity, drops to fresh air
Temperature reduces air-conditioning device refrigeration duty, therefore air-conditioning device has anti-corrosion, deodorization, cooling, dehumidifying, sterilization, energy-saving effect；Air-conditioning
It is equipped with pressure fan 21 at the air outlet of device, and is connect by header pipe 24 with pig house.
The external wet curtain operating condition of the air inlet of air-conditioning device uses fresh wind tube 7, air conditioning condition using fresh wind tube 5 and air conditioning condition
It is connect after total-heat exchanger 16 with air-conditioning device using fresh wind tube 7, oxygenerator 15 is connected with outside air-conditioning device；The exhaust outlet
The entrance of air exhauster 22 is connected by pipeline, the outlet of air exhauster 22 connects air draft general pipeline, and air draft general pipeline branch has
Backwind tube 9 of the wet curtain operating condition using air-exhausting duct 8, air conditioning condition using air-exhausting duct 6 and for connecting air-conditioning device, the air-conditioning man
Condition is extended in total-heat exchanger 16 using air-exhausting duct 6 and is equipped with exhaust switch valve 2 in exit；Wet curtain operating condition uses fresh wind tube
5 air inlet is equipped with fresh air Temperature Humidity Sensor 17, and wet curtain operating condition, which uses, is equipped with air draft temperature and humidity at the exhaust outlet of air-exhausting duct
Sensor 18, the chilled water are equipped with chilled water proportional integration regulating valve 10 for return pipe 14, and the wet curtain operating condition uses fresh air
Pipe 5 is equipped with fresh air proportion integral adjustment valve 1, and the wet curtain operating condition is equipped with air draft proportional integration regulating valve 3, institute using air-exhausting duct 8
Backwind tube 9 is stated equipped with return air ratio integral adjustment valve 4；It is the fresh air Temperature Humidity Sensor 17, air draft Temperature Humidity Sensor 18, cold
Freeze water proportional integration regulating valve 10, fresh air proportion integral adjustment valve 1, air draft proportional integration regulating valve 2, spray pump 19, exhaust wind
Machine 22, pressure fan 21, oxygenerator 15 and return air ratio integral adjustment valve 4 are connect by circuit with controller 23 respectively, controller
For PLC controller.
It is another preferred embodiment of the invention in conjunction with shown in Fig. 1 and Fig. 3, i.e., vertical trench ventilation mode Temperature and Humidity Control
Mode is a difference in that the header pipe 24 of this programme is embedded in underground with above scheme, and is sent fresh air to pig by trench 29
Field 25.Above two scheme is selected according to user's actual need.
This system uses enthalpy value control method, and the enthalpy value control method is temperature by collecting fresh air and air draft and wet
It spends to adjust the gas station of cultivation field, enthalpy value control method specific steps include:
Fresh air Temperature Humidity Sensor 17 and air draft Temperature Humidity Sensor 18 detect the temperature and humidity of fresh air and air draft respectively,
And by data feedback to controller 23；
Controller 23 calculates the difference of fresh air enthalpy, air draft enthalpy and air draft enthalpy and fresh air enthalpy according to the data obtained,
Its Computing Principle is enthalpy calculation formula: (i indicates that enthalpy, d indicate containing for air to i=1.01t+ (2500+1.84t) d in formula
Moisture, t indicate air themperature)；
According to the two parameters of the difference of fresh air enthalpy, air draft enthalpy and fresh air enthalpy, it is in the minimum ventilation quantity of guarantee
0.35M3(KG is the unit of pig quality in pig farm to/HKG, and minimum ventilation quantity indicates every kilogram in pig farm of pig per hour
Required minimum ventilation quantity is 0.35 cubic metre) under conditions of: when fresh air enthalpy is less than or equal to 30KJ/KG dry air, choosing
Select all-fresh air mode；When fresh air enthalpy is greater than 30KJ/KG dry air, and the difference of air draft enthalpy and fresh air enthalpy is negative value, choosing
Select wet curtain mode；When fresh air enthalpy is greater than 30KJ/KG dry air, and the difference of air draft enthalpy and fresh air enthalpy is positive value, selection
Air conditioning mode.The method for realizing operating mode switching: controller 23 is by adjusting fresh air proportion integral adjustment valve, air draft ratio product
Divide the open degree of regulating valve and return air ratio integral adjustment three air-valves of valve, and judges whether to start chilled water system and spray
System changes the working condition of whole system.
The control method of all-fresh air mode: controller 23 is controlled respectively by circuit and opens fresh air proportion integral adjustment valve 1,
Exhaust switch valve 2 is closed, total-heat exchanger 16 is deactivated, closes return air ratio integral adjustment valve 4, air draft proportional integration is opened and adjusts
Valve 3 closes chilled water proportional integration regulating valve 10, closes spray pump 19.
The control method of wet curtain mode: controller 23 is controlled respectively by circuit and opens fresh air proportion integral adjustment valve 1, is closed
Exhaust switch valve 2 is closed, total-heat exchanger 16 is deactivated, closes return air ratio integral adjustment valve 4, opens air draft proportional integration regulating valve
3, chilled water proportional integration regulating valve 10 is opened, spray pump 19 is opened.
The control method of air conditioning mode: controller 23 is controlled respectively by circuit closes fresh air proportion integral valve regulation 1, row
Wind switch valve standard-sized sheet 2 enables total-heat exchanger 16, opens return air ratio integral adjustment valve 4, closes air draft proportional integration regulating valve
3, chilled water proportional integration regulating valve 10 is opened, spray pump 19 is opened.
In system normal operation, as long as pressure fan 21 and air exhauster 22 are run, the synchronous fortune of oxygenerator 15
Row conveys oxygen to air-conditioning device, guarantees the air-supply oxygen content of air-conditioning device between 25%-30%, improves cultivation field 25
The oxygen content and comfort level of interior air.The inner control logic of PLC controller are as follows: in summer, with minimum ventilation rate+air conditioning mode
Using Maximum Ventilatory Volume as principle, and corresponding component is adjusted according to corresponding temperature and humidity parameter in transition season for principle
Working condition.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of energy-saving environmental control system in pig farm, including pig house, air-conditioning device and controller, pig house is equipped with exhaust outlet,
It is characterized in that: the air-conditioning device includes cabinet, it is equipped in cabinet and is sequentially connected and forms connecing for water-flow circuit spray system
Water pond (11), spray pump (19), heat exchanger (20), spray tube (13) and cascade (15), the heat exchanger (20) and drip tray
(11) external chilled water is for return pipe (14)；The external wet curtain operating condition of the air inlet of air-conditioning device uses fresh wind tube (5) and air-conditioning man
Condition uses fresh wind tube (7), and air conditioning condition is connect after total-heat exchanger (16) with air-conditioning device using fresh wind tube (7), air-conditioning dress
Pressure fan (21) are equipped at the air outlet set, and are connect by header pipe (24) with pig house；The exhaust outlet is connected by pipeline
The entrance of air exhauster (22) is connect, the outlet of air exhauster (22) connects air draft general pipeline, and there is wet curtain work in air draft general pipeline branch
Condition uses air-exhausting duct (6) using air-exhausting duct (5) and air conditioning condition, and the air conditioning condition extends to full heat using air-exhausting duct (6) and hands over
In parallel operation (16)；Wet curtain operating condition is equipped with fresh air Temperature Humidity Sensor (17) using the air inlet of fresh wind tube (5), and wet curtain operating condition makes
Air draft Temperature Humidity Sensor (18) are equipped with at the exhaust outlet of air-exhausting duct (5), the chilled water is equipped with freezing for return pipe (14)
Water proportional integration regulating valve (10), the wet curtain operating condition is equipped with fresh air proportion integral adjustment valve (1) using fresh wind tube (5), described
Wet curtain operating condition is equipped with air draft proportional integration regulating valve (3) using air-exhausting duct (8)；The fresh air Temperature Humidity Sensor (17), air draft
Temperature Humidity Sensor (18), chilled water proportional integration regulating valve (10), fresh air proportion integral adjustment valve (1), air draft proportional integration
Regulating valve (3), spray pump (19), air exhauster (22) and pressure fan (21) are connect by circuit with controller (23) respectively.
2. the energy-saving environmental control system in a kind of pig farm according to claim 1, it is characterized in that: the air draft general pipeline
(24) there is the backwind tube (9) for connecting air-conditioning device in branch, and the backwind tube (9) is equipped with return air ratio integral adjustment valve (4),
Return air ratio integral adjustment valve (4) is connect by circuit with controller (23).
3. the energy-saving environmental control system in a kind of pig farm according to claim 2, it is characterized in that: the air conditioning condition makes
Exhaust switch valve (2) are additionally provided with air-exhausting duct (6).
4. the energy-saving environmental control system in a kind of pig farm according to claim 1, it is characterized in that: outside the air-conditioning device
Portion is connected with the oxygenerator (15) for oxygen supply, and oxygenerator (15) is connect by circuit with controller (23).
5. the energy-saving environmental control system in a kind of pig farm according to claim 1, it is characterized in that: the drip tray (11)
PE plastics are used with cascade (12), drip tray (11) also surface is coated with silver ion for sterilization coating.
6. the energy-saving environmental control system in a kind of pig farm according to claim 5, it is characterized in that: the heat exchanger (20)
For epoxy resin spary coating type aluminum heat exchanger.
7. the energy-saving environmental control system in a kind of pig farm according to claim 1-6, it is characterized in that: described support
The control method of the energy-saving environmental control system in pig farm comprising steps of
S1: the temperature and humidity of detection fresh air and air draft；
S2: the difference of fresh air enthalpy, air draft enthalpy and air draft enthalpy and fresh air enthalpy is calculated；
S3: according to the two parameters of the difference of fresh air enthalpy, air draft enthalpy and fresh air enthalpy, guaranteeing that minimum ventilation quantity is 0.35M3/
Under conditions of HKG:
T1: when fresh air enthalpy is less than or equal to 30KJ/KG dry air, all-fresh air mode is selected；
T2: when fresh air enthalpy is greater than 30KJ/KG dry air, and the difference of air draft enthalpy and fresh air enthalpy is negative value, wet curtain is selected
Mode；
T3: when fresh air enthalpy is greater than 30KJ/KG dry air, and the difference of air draft enthalpy and fresh air enthalpy is positive value, air-conditioning is selected
Mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811055066.5A CN109197612B (en) | 2018-09-11 | 2018-09-11 | Energy-saving environment control system for pig farm and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811055066.5A CN109197612B (en) | 2018-09-11 | 2018-09-11 | Energy-saving environment control system for pig farm and control method thereof |
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| CN109197612A true CN109197612A (en) | 2019-01-15 |
| CN109197612B CN109197612B (en) | 2021-05-18 |
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Cited By (3)
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| CN110036917A (en) * | 2019-04-12 | 2019-07-23 | 广西扬翔股份有限公司 | The control method and thermoregulating system of thermoregulating system |
| CN110839534A (en) * | 2019-12-19 | 2020-02-28 | 青岛海岚环境设备有限公司 | Ventilation system suitable for pig house |
| CN113678739A (en) * | 2021-08-25 | 2021-11-23 | 广东唯金智能环境科技有限公司 | Livestock breeding house environment control system and control method thereof |
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|---|---|---|---|---|
| CN110036917A (en) * | 2019-04-12 | 2019-07-23 | 广西扬翔股份有限公司 | The control method and thermoregulating system of thermoregulating system |
| CN110839534A (en) * | 2019-12-19 | 2020-02-28 | 青岛海岚环境设备有限公司 | Ventilation system suitable for pig house |
| CN113678739A (en) * | 2021-08-25 | 2021-11-23 | 广东唯金智能环境科技有限公司 | Livestock breeding house environment control system and control method thereof |
| CN113678739B (en) * | 2021-08-25 | 2023-11-28 | 广东唯金智能环境科技有限公司 | Environment control system and method for livestock breeding house |
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| Publication number | Publication date |
|---|---|
| CN109197612B (en) | 2021-05-18 |
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