CN214628884U - High-efficient pig farm based on heat pump exchange system - Google Patents
High-efficient pig farm based on heat pump exchange system Download PDFInfo
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Abstract
The utility model discloses a high-efficient pig farm based on heat pump exchange system, the main part is by keeping warm inclosed pig house 1, pig house tail gas heat exchange system 2, ground source heat pump system (containing heat pump host computer 3, valve system, control system, terminal heat exchanger 13 etc.), and pig farm staff living area 4, office area 5, cistern 6, hot water storage device 7, the dirty treatment facility 8 of excrement, condensing tower 9 and earth source well 10 constitute. The heat-insulating and sealed pig house 1 can be used for feeding different types of pigs by installing different facilities. The utility model discloses a ground source heat pump system carries out the heat exchange between different heat production, heat demand facility equipment, simultaneously, utilizes ground source well system to carry out the energy storage, get the ability, improves energy utilization and rates, reduces running cost.
Description
Technical Field
The utility model relates to a pig birds breed technical field specifically is an energy-concerving and environment-protective high-efficient pig farm that adaptable to modernization raises pig birds, is most suitable for keeping warm inclosed pig house.
Background
The modern high-efficiency intensive pig farm is mainly designed from Europe and America. The climate conditions of the major pig raising areas in Europe and America are very different from those of the major pig raising areas in China, so that the European and American mode pig farm does not show real high efficiency in China.
Because the summer climate of the main pig raising areas in Europe and America is dry and cool, the method for cooling the pigsty in the areas mainly comprises ventilation, evaporation and air cooling effect brought by wind speed. When the pigsty is designed, the ventilation quantity meeting the summer maximum ventilation mode is taken as the equipment installation standard, pregnant sows are taken as an example, the summer maximum ventilation quantity is up to 800-1000 cubic meters per hour, and the winter minimum ventilation requirement is only 35 cubic meters per hour, so the requirement on equipment is very high. In the last decade, experts in the pig industry in China have made many innovations, but most of them do not completely get rid of the influence of the thought of regulating environmental factors by ventilation volume formed in Europe and America. Meanwhile, the regulation and control means of taking away heat by ventilation, regulating temperature by a wet curtain and supplementing heat by a gas/oil heater is difficult to control the temperature and the humidity within ideal ranges in high-temperature and high-humidity seasons in most areas in China.
In recent years, air filtration is increasingly adopted by pig farms due to the importance of pig farm biosafety by pig raising enterprises. Although air filtration can solve the problem of disease control well, it also brings about an increase in investment (cost of the air filtration equipment itself, an increase in building area due to increased air filtration, an increase in fan investment, etc.) and an increase in running costs (cost of replacing the air filter, labor costs, and an influence on production during replacement). The higher the ventilation requirements of the pigsty, the higher the above costs and expenses. In addition, with the improvement of the living standard of people, the requirements of common people on the living environment are higher and higher, and the air pollution problem of a pig farm is also paid more and more attention. Many pig farms are beginning to install tail gas deodorising apparatus. Also, the investment cost and the operation cost of the exhaust gas treatment device are very high also because of the large ventilation amount.
In recent years, some enterprises in the domestic pig industry adopt heat pumps as cooling tools for high-value pig farms such as boar stations and lactating sow houses, but still adopt a main line logic of 'adjusting temperature by ventilation quantity, adjusting temperature by wet curtains and supplementing heat by gas/oil heaters', and use heat pumps as a supplementary cooling means. This pig farm is relatively high in investment, very high in operating cost, and not ideal in environmental control.
Based on the background, the pig raising industry needs a pig farm which can control the environmental conditions of a pigsty in a relatively ideal state, can realize air filtration, can deodorize tail gas, and has low investment and low cost.
Disclosure of Invention
The utility model aims at providing a high-efficient pig farm based on heat pump exchange system, on the premise of satisfying pig physiological demand, under the minimum ventilation volume that satisfies pig production demand, with the ground source heat pump system as the instrument of temperature regulation, control temperature, humidity in the pig house and keep in the optimum range, create the optimal condition for pig growth and development; air entering the pigsty is filtered, and the investment cost and the operating cost of the filtering system are very low because the air inlet amount is very small; the air discharged out of the pigsty is deodorized, and the influence on the surrounding environment is reduced by adopting a mode of filtering and high-altitude exhaust; the principle of transferring heat by a ground source heat pump is utilized to transfer heat among different heat-requiring/cold-requiring facilities, and the excess heat utilizes the energy storage/energy acquisition of a ground source well, so that the value of a ground source heat pump system can be utilized to the maximum extent, and the energy is saved; meanwhile, the air entering and exiting the pigsty is subjected to heat recycling, so that the energy consumption is reduced, and the operating cost is saved.
The utility model discloses an adopt following technical scheme to realize:
a high-efficiency pig farm based on a heat pump exchange system comprises a heat-insulation closed pig house, a pig house tail gas heat exchange system, a ground source heat pump system and a ground source well.
The pigsty tail gas heat exchange system is positioned beside the pigsty; a shell pass inner port of the pigsty tail gas heat exchange system is used as a pigsty tail gas inlet end, the pigsty tail gas inlet end is positioned in a dung ditch of the pigsty, and a tail gas filter is arranged in the pigsty tail gas inlet end; the shell side outer port of the pigsty tail gas heat exchange system is used as a pigsty tail gas outlet end which is communicated with a high-altitude exhaust pipe, and a high-pressure gas outlet fan is arranged in the high-altitude exhaust pipe; the external end port of the tube side of the pigsty tail gas heat exchange system is used as a fresh air inlet end, and a fresh air primary filter is arranged in the fresh air inlet end; the internal port of the tube side of the pigsty tail gas heat exchange system is used as a fresh air outlet end, a fresh air medium/high-efficiency filter and a terminal heat exchanger of a ground source heat pump system are arranged in the fresh air outlet end, and the fresh air outlet end is communicated with a ventilation pipe positioned in the pigsty; a high-pressure air inlet fan is arranged in an air inlet port of the ventilation pipe;
the ground source heat pump system adjusts the environmental temperature of the pigsty through the tail end heat exchanger and the ground source well.
In specific implementation, the heat-preservation closed pigsty can be provided with different facilities to feed different types of pigs. The tail gas heat exchange system is connected with the pigsty, a tail gas inlet end of the pigsty is positioned in a dung ditch of the pigsty, a tail gas outlet end of the pigsty is connected with the high-altitude exhaust pipe, a fresh air inlet end is arranged outside the pigsty, a fresh air outlet end is connected with a ventilation pipe in the pigsty, and the exhausted tail gas and the entered fresh air finish heat exchange in the tail gas heat exchange system; a tail gas filter which is convenient to wash and replace is arranged on a pipeline between the tail gas inlet end and the tail gas heat exchange system, so that most of dust in the pig house tail gas can be filtered, and most of odor can be removed because the dust is a main carrier of odor; the tail gas outlet end is connected with a high-altitude exhaust pipe and matched with a high-pressure gas outlet fan to spray tail gas to high altitude at a high speed, and the influence on the surrounding environment is reduced due to the diffusion principle, so that the aim of deodorization is fulfilled; the external three proofings net of new trend inlet end and new trend primary filter can carry out prefilter to the indoor air of entering pig house, keep apart mouse, worm, get rid of dust, pollen and partial great particulate matter to keep the cleanness of tail gas heat exchange system inner tube way, and improve back end in the new trend/high efficiency filter's life. A fresh air medium/high-efficiency filter is arranged between the fresh air outlet end and the pigsty ventilation pipe, filters in different grades are configured according to the requirements of different biological safety grades, and the quantity of harmful microorganisms entering the pigsty is reduced; and a tail end heat exchanger of a ground source heat pump system is arranged between the fresh air medium/high-efficiency filter and the pigsty ventilation pipe, and the temperature regulation (temperature rise or temperature reduction) of the pigsty is realized through the heat exchange effect of the heat pump.
Furthermore, the high-efficiency pig farm also comprises a pig farm staff living area, an office area, a reservoir, a hot water storage device, a feces treatment facility and a condensing tower; the office area and the hot water storage device are positioned beside the pigsty; the piggery staff living area, the water storage pool, the excrement treatment facility and the condensing tower are positioned around the pigsty; the piggery staff living area, the office area, the water storage pool, the hot water storage device, the excrement treatment facility and the condensing tower are all provided with a tail end heat exchanger of a ground source heat pump system as heat supply or refrigeration equipment; the ground source heat pump system adjusts the temperature of the piggery staff living area, the office area, the water storage pool, the hot water storage device, the excrement treatment facility and the condensing tower through the tail end heat exchanger of the ground source heat pump system.
When the system is implemented, the end exchanger of the ground source heat pump system is used for adjusting the piggery environment, and is also respectively arranged on other facility equipment of the piggery which needs heating or refrigeration: a living area, an office area, a hot water storage device (respectively, hot water for cleaning a pigsty and hot water for bathing), a reservoir (generally an oxidation pond in a pig farm for storing treated water), a feces treatment facility (including but not limited to a methane tank, a fermentation bed and other fermentation devices and drying devices), a condensing tower and a ground source well system.
A heat pump host of the ground source heat pump system is installed in an equipment room of the pigsty. Through the switching of the valve system, heat is transferred among different end heat exchangers to heat or cool different facility equipment.
Furthermore, because the ventilated air inlet and outlet are at one end, and the ventilation volume is very small, the pigsty is suitable for building a multilayer structure, namely the pigsty consists of a plurality of layers of pigsties, and the pigsty tail gas outlet end of each layer of pigsty is gathered in the central exhaust air shaft and then communicated with the high-altitude exhaust pipe.
The utility model discloses the scheme has following characteristics:
1. under the condition of relatively constant and small ventilation quantity, the ground source heat pump system is used as a tool for adjusting the temperature and the humidity in the pigsty, so that the environmental temperature and the humidity of the pigsty can be controlled in the optimum range of the pigs, the influence of environmental stress (mainly heat stress in summer in China) on production performance is reduced, the production cost is further reduced, and the benefit is improved.
2. The air inlet end and the air outlet end of the pigsty are at the same end, so that the heat recovery system is convenient to install and use, the energy consumption can be reduced, and the pigsty is more suitable for building multiple floors.
3. The ground source heat pump system is used for exchanging heat between different heat production and heat demand facility equipment, and meanwhile, the ground source well system is used for storing and taking energy, so that the energy utilization rate is improved, and the operation cost is reduced.
4. The tail gas of the piggery is filtered and then discharged to the high altitude, so that the aims of reducing the concentration of pollutants and increasing the diffusion distance can be achieved, and the influence of the smell of the piggery on the periphery is reduced.
5. The whole field only uses electric energy as an energy supply source, and the device has the advantages of simple design, convenient maintenance and safe use.
The utility model relates to a rationally, fine practical application is worth having.
Drawings
Figure 1 shows a schematic plan layout of a pig farm.
Fig. 2 shows a schematic cross-sectional layout of a pig house.
Fig. 3 shows a schematic representation of the piggery air flow.
Fig. 4 shows a schematic diagram of the warm season heat flow in a pig farm.
Fig. 5 shows a schematic view of the heat flow in a cold season in a pig farm.
Fig. 6 shows a schematic plan layout of a plurality of piggeries in a pig farm.
FIG. 7 shows a schematic cross-sectional view of a multi-storey pig house.
Fig. 8 shows a schematic view of a single-layer plan layout of a multi-layer pigsty.
In the figure: 1-a heat-preservation closed pigsty, 2-a pigsty tail gas heat exchange system, 3-a heat pump host, 4-a pigsty staff living area, 5-an office area, 6-a water storage tank, 7-a hot water storage device, 8-a dung treatment facility (including a fermentation device and a drying device such as a methane tank and a fermentation bed, but not limited to), 9-a condensation tower, 10-a ground source well, 11-a fresh air primary effect filter, 12-a fresh air medium/high efficiency filter, 13-a tail end heat exchanger, 14-a high pressure air inlet fan, 15-a ventilation pipe, 16-a pigsty dung ditch, 17-a pigsty tail gas inlet end, 18-a high altitude exhaust pipe, 19-a tail gas filter, 20-a high pressure air outlet fan, 21-a pigsty tail gas outlet end, 22-a fresh air inlet end, 23-fresh air outlet end and 24-central ventilation air shaft.
Detailed Description
The following describes in detail specific embodiments of the present invention with reference to the accompanying drawings.
Example 1
A high-efficiency pig farm based on a heat pump exchange system is shown in figure 1, and a main body of the high-efficiency pig farm comprises a heat-insulation and airtight pig house 1, a pig house tail gas heat exchange system 2, a ground source heat pump system (comprising a heat pump main machine 3, a valve system, a control system, a tail end heat exchanger 13 and the like), a pig farm staff living area 4, an office area 5, a water storage tank 6, a hot water storage device 7, a feces treatment facility 8, a condensing tower 9, a ground source well 10 and the like.
The heat-insulating and sealed pig house 1 can be used for feeding different types of pigs by installing different facilities.
As shown in fig. 2, the pigsty tail gas heat exchange system 2 is positioned beside the pigsty 1; the shell side inner port of the piggery tail gas heat exchange system 2 is used as a piggery tail gas inlet end 17, the piggery tail gas inlet end 17 is positioned in a dung ditch 16 of the piggery 1, and a tail gas filter 19 is arranged in the piggery tail gas inlet end 17; the shell side outer port of the piggery tail gas heat exchange system 2 is used as a piggery tail gas outlet end 21, the piggery tail gas outlet end 21 is communicated with a high-altitude exhaust pipe 18, and a high-pressure gas outlet fan 20 is arranged in the high-altitude exhaust pipe 18; the external end of the tube side of the piggery tail gas heat exchange system 2 is used as a fresh air inlet end 22, and a fresh air primary filter 11 is arranged in the fresh air inlet end 22; the inner end port of the tube side of the pigsty tail gas heat exchange system 2 is used as a fresh air outlet end 23, a fresh air medium/high efficiency filter 12 and a tail end heat exchanger 13 of a ground source heat pump system are arranged in the fresh air outlet end 23, and the fresh air outlet end 23 is communicated with a ventilation pipe 15 positioned in the pigsty 1; a high-pressure air inlet fan 14 is arranged in an air inlet port of the ventilation pipe 15.
When the device is used specifically, the tail gas heat exchange system is connected with a pigsty, a tail gas inlet end of the pigsty is positioned in a dung ditch of the pigsty, a tail gas outlet end is connected with a high-altitude exhaust pipe, a fresh air inlet end is arranged outside the pigsty, a fresh air outlet end is connected with a ventilation pipe in the pigsty, and heat exchange between the discharged tail gas and the entered fresh air is completed in the tail gas heat exchange system; the tail gas filter which is convenient to wash and replace is arranged on the pipeline between the tail gas inlet end and the heat exchanger, so that most of dust in the pig house tail gas can be filtered, and most of odor can be removed because the dust is a main carrier of odor; the tail gas outlet end is connected with a high-altitude exhaust pipe and is matched with a high-pressure fan to spray tail gas to high altitude at a high speed, so that the influence on the surrounding environment is reduced due to the diffusion principle, and the aim of deodorization is fulfilled; the external three proofings net of fresh air inlet end and primary filter can carry out prefilter to the air that gets into indoor, keep apart mouse, worm, get rid of dust, pollen and partial great particulate matter to keep the cleanness of heat reclamation device interior pipeline, and improve in the back end, high efficiency filter's life.
A medium/high-efficiency air filter is arranged between the fresh air outlet end and the pigsty ventilation pipe, and filters of different grades are configured according to the requirements of different biological safety grades, so that the quantity of harmful microorganisms entering the pigsty is reduced; a tail end heat exchanger of a heat pump system is arranged between the filter and the pigsty ventilation pipe, and the temperature regulation (temperature rise or temperature drop) of the pigsty is realized through the heat exchange effect of a ground source heat pump; a high-pressure air inlet fan is arranged between the tail end heat exchanger and the ventilation pipe, and air after heat exchange and filtration is conveyed to the ventilation pipe at high pressure and then enters the pigsty.
Besides being used for adjusting the pigsty environment, the end exchanger of the ground source heat pump system is also respectively arranged on other facilities of the pigsty which need heating or refrigeration: a living area 4, an office area 5, a hot water storage device 7 (hot water for cleaning pigsty and hot water for bathing, respectively), a reservoir 6 (generally referred to as "pond" in a pig farm for storing treated water), a fecal sewage treatment facility 8 (including but not limited to a methane tank, a fermentation device such as a fermentation bed, and a drying device), and a condensing tower 9.
A heat pump main machine 3 of the ground source heat pump system is arranged in an equipment room beside the pigsty. Through the switching of the valve system, heat is transferred among different end heat exchangers to heat or cool different facility equipment. Realize the environmental control of pig house with less air volume, cooperate heat reclamation device simultaneously, can reduce the energy consumption.
As shown in fig. 3, the air flow direction of the pigsty: outdoor fresh air enters the tail gas heat exchange system through the fresh air primary filter, passes through the fresh air high-efficiency filter after being preheated (or precooled), is heated or cooled through the tail end heat exchanger and then is sent into the ventilation pipe by the high-pressure air inlet fan, enters the pigsty through the air inlet of the ventilation pipe, enters the pigsty excrement ditch through the slotted floor, enters the pigsty tail gas heat exchange system through the tail gas inlet end from the excrement ditch, enters the tail gas heat exchange system through the tail gas filter, exchanges heat with the fresh air to obtain tail gas, is driven by the high-pressure fan, and enters the atmosphere through the high-altitude exhaust pipe.
Heat exchange path of heat pump:
as shown in fig. 4, the facilities requiring refrigeration in warm seasons are: a pigsty 1, a living area 4 and an office area 5; facility equipment needing heating comprises: a reservoir 6, a hot water storage device 7 and a feces treatment facility 8; the refrigeration requirement is far greater than the heating requirement, so that the heat transferred from the refrigeration end is preferentially stored in the ground source well 10 for heat taking in winter except for supplying heat to the heat-requiring facility equipment; if less heat is required for winter heating, the summer excess heat is dissipated by the condensing tower 9.
As shown in fig. 5, the facility equipment that needs to be heated in cold seasons includes: a pigsty 1, a living area 4, an office area 5, a hot water storage device 7 and a feces treatment facility 8; no refrigeration requirement; the heat stored in the ground source well in the warm season is extracted by the ground source heat pump system and is supplied to the facility equipment needing heating.
Example 2
A high-efficiency pig farm based on a heat pump exchange system comprises a heat-insulation and airtight pig house 1 (the pig house is divided into an independent pig house I1-1, a pig house II 1-2 and a pig house III 1-3), a pig house tail gas heat exchange system 2, a ground source heat pump system (comprising a heat pump host machine 3, a valve system, a control system, a tail end heat exchanger 13 and the like), a pig farm staff living area 4, an office area 5, a reservoir 6, a hot water storage device 7, a feces treatment facility 8, a condensing tower 9 and a ground source well 10.
The structure and principle of the heat-preservation closed pigsty are the same as those of the embodiment 1, and are not repeated.
The present embodiment differs from embodiment 1 in the way of transferring heat between different facilities in a pig farm by means of a heat pump, as shown in fig. 6:
(1) and if the total amount of heat generated by refrigerating the pigsty I1-1 in summer is calculated to be approximately balanced with the total amount of heat required by heating in winter, so that the pigsty I1-1 establishes an independent ground source heat pump system. The heat generated when the pigsty is refrigerated in summer is stored in the ground source well, and the heat is extracted from the ground source well in winter to be used for heating the pigsty.
(2) And if calculated, the total quantity of heat generated by refrigerating the pigsty II 1-2 in summer is higher than the total quantity of heat required by heating in winter, but is approximately equal to the sum of the quantity of heat required by heating a fermenter, the quantity of heat required by evaporating a reservoir and the quantity of heat required by heating the pigsty in winter, so that the pigsty II 1-2, the field office area 5, the fecal sewage treatment facility 8, the reservoir 6, the hot water storage device 7 and the ground source well 10 form a heat pump system, the heat generated by refrigerating the pigsty and the field office area in summer is partially used for heating the fermenter, the reservoir and the hot water storage device, and the heat is stored in the field source well, and the heat is taken from the field source well in winter for heating the field office area, the pigsty, the fermenter and the hot water storage device. The reservoir does not need to be heated in winter.
(3) If the calculation shows that the pigsty III 1-3 does not need to be heated in winter or the demand is very small, the pigsty adopts an air energy heat pump, and heat generated by cooling the pigsty in summer is directly radiated in the air.
(4) And if the calculation is carried out, the total amount of heat generated by refrigerating in summer and the total amount of heat required by heating in winter in the living area are approximately balanced, so that an independent ground source heat pump system is established in the living area. The heat generated during refrigeration of the living area in summer is stored in the ground source well 10, and the heat is extracted from the ground source well in winter to heat the living area 4.
Example 3
A high-efficiency pig farm based on a heat pump exchange system is characterized in that a main body of the high-efficiency pig farm is composed of multiple layers of heat-preservation and sealed pig houses, different facilities can be installed in the multiple layers of heat-preservation and sealed pig houses to feed different types of pigs, and the rest facilities are the same as those in embodiment 1, except that a tail gas outlet end of each layer of pig house is collected in a central exhaust air shaft and then communicated with a high-altitude exhaust pipe as shown in figure 8.
The principle of heat exchange between different facilities by the ground source heat pump system in this embodiment is the same as that in embodiment 1, and is not repeated.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the detailed description is made with reference to the embodiments of the present invention, those skilled in the art should understand that the technical solutions of the present invention are modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the protection scope of the claims of the present invention.
Claims (4)
1. The utility model provides a high-efficient pig farm based on heat pump exchange system which characterized in that: comprises a heat-insulating and closed pigsty (1), a pigsty tail gas heat exchange system (2), a ground source heat pump system and a ground source well (10);
the pigsty tail gas heat exchange system (2) is positioned beside the pigsty (1); a shell pass inner port of the piggery tail gas heat exchange system (2) is used as a piggery tail gas inlet end (17), the piggery tail gas inlet end (17) is positioned in a dung ditch (16) of the piggery (1), and a tail gas filter (19) is arranged in the piggery tail gas inlet end (17); the shell side outer port of the piggery tail gas heat exchange system (2) is used as a piggery tail gas outlet end (21), the piggery tail gas outlet end (21) is communicated with a high-altitude exhaust pipe (18), and a high-pressure gas outlet fan (20) is installed in the high-altitude exhaust pipe (18); the external end of the tube side of the piggery tail gas heat exchange system (2) is used as a fresh air inlet end (22), and a fresh air primary filter (11) is arranged in the fresh air inlet end (22); an inner end opening of a tube side of the pigsty tail gas heat exchange system (2) is used as a fresh air outlet end (23), a fresh air medium/high efficiency filter (12) and a tail end heat exchanger (13) of a ground source heat pump system are arranged in the fresh air outlet end (23), and the fresh air outlet end (23) is communicated with a ventilation tube (15) positioned in the pigsty (1); a high-pressure air inlet fan (14) is arranged in an air inlet port of the ventilation pipe (15);
the ground source heat pump system adjusts the environmental temperature of the pigsty (1) through the tail end heat exchanger (13) and the ground source well (10).
2. The high-efficiency pig farm based on the heat pump exchange system according to claim 1, is characterized in that: the system also comprises a pig farm staff living area (4), an office area (5), a water storage pool (6), a hot water storage device (7), a feces treatment facility (8) and a condensing tower (9);
the office area (5) and the hot water storage device (7) are positioned beside the pigsty (1); the piggery staff living area (4), the water storage tank (6), the excrement treatment facility (8) and the condensing tower (9) are positioned around the pigsty (1);
the piggery staff living area (4), the office area (5), the water storage pool (6), the hot water storage device (7), the excrement treatment facility (8) and the condensing tower (9) are all provided with a tail end heat exchanger (13) of a ground source heat pump system as heat supply or refrigeration equipment;
the ground source heat pump system adjusts the temperature of a piggery staff living area (4), an office area (5), a water storage tank (6), a hot water storage device (7), a feces treatment facility (8) and a condensing tower (9) through a tail end heat exchanger (13).
3. The high-efficiency pig farm based on the heat pump exchange system according to claim 2, characterized in that: the pigsty (1) is divided into an independent pigsty I (1-1), a pigsty II (1-2) and a pigsty III (1-3);
the pigsty I (1-1) and a corresponding number of ground source wells (10) form an independent ground source heat pump system through a ground source heat pump system;
the pigsty II (1-2), the office area (5), the water storage pool (6), the hot water storage device (7), the excrement treatment facility (8) and a corresponding number of ground source wells (10) form an independent ground source heat pump system through a ground source heat pump system;
the pigsty III (1-3) adopts an air energy heat pump to adjust the environmental temperature;
the piggery staff living area (4) and a corresponding number of ground source wells (10) form an independent ground source heat pump system through a ground source heat pump system.
4. The high-efficiency pig farm based on the heat pump exchange system according to claim 2, characterized in that: the pigsty (1) is composed of a plurality of layers of pigsties, and the pigsty tail gas outlet end of each layer of pigsty is collected in the central exhaust air shaft and then communicated with the high-altitude exhaust pipe.
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