CN212629538U - Livestock and poultry house dehumidifying and cooling mechanism and livestock and poultry house dehumidifying and cooling system - Google Patents
Livestock and poultry house dehumidifying and cooling mechanism and livestock and poultry house dehumidifying and cooling system Download PDFInfo
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- CN212629538U CN212629538U CN202020951058.5U CN202020951058U CN212629538U CN 212629538 U CN212629538 U CN 212629538U CN 202020951058 U CN202020951058 U CN 202020951058U CN 212629538 U CN212629538 U CN 212629538U
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Abstract
The embodiment of the utility model provides a livestock and poultry house dehumidification cooling mechanism and livestock and poultry house dehumidification cooling system is provided in aquaculture cooling equipment field. The livestock and poultry house dehumidifying and cooling mechanism comprises an air supply device, a dehumidifying device and a wet curtain device, wherein the dehumidifying device and the wet curtain device are sequentially arranged at an air inlet of the air supply device, and an air outlet of the air supply device is communicated with an air inlet of the livestock and poultry house. The dehumidification and cooling mechanism for the livestock and poultry house, provided by the utility model, has the advantages that the dehumidification device and the wet curtain device are arranged in series, and the evaporation cooling amplitude of about 1 ℃ can be improved when the relative humidity is reduced by 5%, so that the cooling effect of the wet curtain device in a humid and hot climate area is effectively improved; the utility model provides a livestock and poultry house dehumidification cooling system adopts above-mentioned livestock and poultry house dehumidification cooling mechanism, even humidity is greater than 80%, also can effectively cool down with the help of the dehydrating unit dehumidification back to make wet curtain device also can exert the cooling effect in damp and hot weather region.
Description
Technical Field
The utility model relates to a aquaculture cooling equipment technical field especially relates to a beasts and birds house dehumidification cooling body and beasts and birds house dehumidification cooling system.
Background
The environment regulation and control of the house in the livestock and poultry breeding process are of great importance. The climate difference of different regions in China is large, wherein the regions in south China and the southwest China are main humid and hot climate regions in China, the average temperature is over 28 ℃ in 7 months, the maximum temperature is over 32 ℃, the relative humidity is over 80% in 4-8 months, and the high-temperature and high-humidity environment easily causes the reduction of the yield of livestock and poultry. In recent years, in order to regulate and control the environment of livestock and poultry houses, a method of combining negative pressure ventilation with wet curtain cooling or positive pressure air supply of a wet curtain air cooler is often adopted to regulate microclimate in the livestock and poultry houses and relieve heat stress in summer.
Negative pressure ventilation combines wet curtain cooling or wet curtain air-cooler malleation air supply all adopts wet curtain evaporation cooling technique, and the cooling effect is influenced by air relative humidity. For example, under the conditions of 29 ℃ of outside temperature and 50% of relative humidity, the maximum cooling amplitude of the wet curtain can reach 9 ℃, the cooling effect is obvious, but under the condition that the humidity is more than 80%, the maximum cooling amplitude of the wet curtain is about 1 ℃, hardly plays any role, but leads to the increase of the humidity in the livestock and poultry house, and aggravates heat stress. Therefore, the wet curtain structure is difficult to achieve effective cooling in a humid and hot climate area.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a beasts and birds house dehumidification cooling body and beasts and birds house dehumidification cooling system for solve the problem that current wet curtain structure is difficult to effectively cool down in damp and hot weather region.
In order to solve the technical problem, the utility model provides a beasts and birds house dehumidification cooling mechanism, including air supply arrangement, dehydrating unit and wet curtain device, dehydrating unit with wet curtain device sets up in order air supply arrangement's income wind gap, air supply arrangement's air outlet is used for the air intake intercommunication with beasts and birds house.
The dehumidifier comprises a spray pipe, a packing layer and a dehumidifier regeneration system, wherein the spray pipe is communicated with a discharge hole of the dehumidifier regeneration system and is arranged at the top of the packing layer, and the bottom of the packing layer is communicated with a feed hole of the dehumidifier regeneration system through a dehumidifier collecting device.
Wherein, the leeward side of the packing layer is in a sawtooth shape.
The dehumidifying agent regeneration system comprises a liquid storage tank, a heater, a regenerator and a cooler, wherein the liquid storage tank is connected with an outlet of the dehumidifying agent collecting device, and a liquid outlet of the liquid storage tank sequentially passes through the heater, the regenerator and the cooler and the spray pipe are communicated.
The dehumidifying agent regeneration system further comprises a heat recoverer, a liquid outlet of the liquid storage tank is connected with the heater through the heat recoverer, and a liquid outlet of the regenerator is connected with the cooler through the heat recoverer.
The liquid storage tank comprises a first liquid storage tank, a filtering tank and a second liquid storage tank, the first liquid storage tank is connected with an outlet of the dehumidifying agent collecting device, the filtering tank is communicated with the first liquid storage tank and the second liquid storage tank, and the second liquid storage tank is connected with the heater.
Wherein, still include safety cover, filter screen and adsorbed layer, the safety cover the filter screen dehydrating unit the adsorbed layer with wet curtain device lays in order along gaseous flow direction.
The wet curtain device comprises a water spraying pipe, a wet curtain and a circulating water system, the water spraying pipe is communicated with a water outlet of the circulating water system and is arranged at the top of the wet curtain, and the bottom of the wet curtain is communicated with a water inlet of the circulating water system through a circulating water collecting device.
Wherein, circulating water system includes the tank, the tank with install filter and water pump on the intercommunication pipeline of spray pipe, the water inlet of tank with circulating water collection device's export links to each other.
In addition, the embodiment of the utility model provides a beasts and birds house dehumidification cooling system is still provided, include as above beasts and birds house dehumidification cooling mechanism.
The dehumidification and cooling mechanism for the livestock and poultry house, provided by the utility model, has the advantages that the dehumidification device and the wet curtain device are arranged in series, and the evaporation cooling amplitude of about 1 ℃ can be improved when the relative humidity is reduced by 5%, so that the cooling effect of the wet curtain device in a humid and hot climate area is effectively improved; the utility model provides a livestock and poultry house dehumidification cooling system adopts above-mentioned livestock and poultry house dehumidification cooling mechanism, even humidity is greater than 80%, also can effectively cool down with the help of the dehydrating unit dehumidification back to make wet curtain device also can exert the cooling effect in damp and hot weather region.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a livestock and poultry house dehumidification and cooling system provided by an embodiment of the present invention;
FIG. 2 is a longitudinal sectional view of the dehumidifying and cooling mechanism according to the embodiment of the present invention;
FIG. 3 is a schematic diagram of a desiccant regeneration system according to an embodiment of the present invention;
fig. 4 is a transverse sectional view of the dehumidifying and cooling mechanism according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a circulating water system according to an embodiment of the present invention;
FIG. 6 is a schematic view of a partial structure of a packing layer according to an embodiment of the present invention;
FIG. 7 is a view of the air duct according to the embodiment of the present invention along the radial direction;
fig. 8 is an axial view of the air duct according to the embodiment of the present invention.
In the figure: 100. a dehumidification cooling mechanism; 110. an air supply device; 111. an air supply fan; 112. an air supply duct; 120. a dehumidifying device; 121. a shower pipe; 122. a filler layer; 123. a desiccant collection device; 130. a wet curtain device; 131. a water spray pipe; 132. wet curtain; 133. a circulating water collecting device; 140. a protective cover; 150. filtering with a screen; 160. an adsorption layer; 170. an information acquisition device; 200. a wind distributing mechanism; 210. an inner section; 220. an air outlet; 300. an air draft mechanism; 400. livestock and poultry houses; 500. a desiccant regeneration system; 510. a liquid storage tank; 511. a first reservoir; 512. a filtration tank; 513. a second reservoir; 520. a heater; 530. a regenerator; 540. a temperature reducer; 550. a heat recovery device; 560. a temperature sensor; 600. a circulating water system; 601. a water storage tank; 602. a water pump; 700. a controller; 800. a first acquisition terminal; 900. and a second acquisition terminal.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "first" and "second" are used for clearly indicating the numbering of the product parts and do not represent any substantial difference unless explicitly stated or limited otherwise. The directions of "up", "down", "left" and "right" are all based on the directions shown in the attached drawings. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic structural view of a livestock and poultry house dehumidification and cooling system provided by the embodiment of the utility model. As shown in fig. 1, the livestock and poultry house dehumidifying and cooling system includes a dehumidifying and cooling mechanism 100, an air distributing mechanism 200, and an air exhausting mechanism 300. The air draft mechanism 300 is used for being installed on the end wall of the livestock and poultry house 400 so as to form negative pressure in the livestock and poultry house 400, the dehumidifying and cooling mechanism 100 is installed outside the livestock and poultry house 400, the air outlet of the dehumidifying and cooling mechanism 100 is connected with the air inlet of the air distributing mechanism 200, and the air outlet of the air distributing mechanism 200 is located in the livestock and poultry house 400 and faces the air draft mechanism 300. Wherein, updraft ventilator mechanism 300 is the air exhauster, and the quantity of air exhauster can be a plurality of, and a plurality of air exhausters distribute along the headwall array of animal house 400 to improve convulsions efficiency.
The livestock and poultry house dehumidification cooling system provided by the embodiment of the utility model has the advantages that the dehumidification cooling mechanism 100 carries out cooling and dehumidification operation on the external air, the air which needs to meet the conditions is introduced into the livestock and poultry house 400, in the ventilation process, the air is exhausted outwards by the air exhausting mechanism 300 so as to form negative pressure in the livestock and poultry house 400, fresh air is introduced into the livestock and poultry house 400 by the dehumidifying and cooling mechanism 100 and the air distributing mechanism 200, the negative pressure ventilation and the positive pressure ventilation are combined together, wherein the air draft mechanism 300 can balance the positive pressure generated by the dehumidifying and cooling mechanism 100 and the air distributing mechanism 200, and drive the air in the livestock and poultry house 400 to flow along the length direction, thereby avoiding the problem of ventilation dead angle in the traditional air supply, ensuring that the air flow distribution of the cold air flowing out from the air distributing mechanism 200 in the livestock and poultry house 400 is more uniform, and the ventilation resistance when the air distributing mechanism 200 exhausts air into the livestock and poultry house 400 can be reduced, and the ventilation efficiency is improved.
Wherein, fig. 2 is the embodiment of the utility model provides a longitudinal section of dehumidification cooling mechanism. As shown in fig. 2, the dehumidifying and cooling mechanism 100 includes an air supply device 110, a dehumidifying device 120 and a wet curtain device 130, the dehumidifying device 120 and the wet curtain device 130 are sequentially disposed at an air inlet of the air supply device 110, and an air outlet of the air supply device 110 is used for communicating with an air inlet of the livestock and poultry house 400. Specifically, the air outlet of the air supply device 110 is connected to the air inlet of the air distribution mechanism 200. The outside air is dehumidified by the dehumidifying device 120, cooled by the wet curtain device 130, and then introduced into the air distribution mechanism 200 by the air supply device 110, so as to be distributed in the poultry house 400. The embodiment of the utility model provides an among the dehumidification cooling mechanism 100, dehydrating unit 120 and wet curtain device 130 establish ties and set up, and every relative humidity that reduces 5% can improve about 1 ℃ evaporation cooling range to effectively improve the cooling effect of the regional wet curtain device 130 of damp and hot weather.
Continuing to refer to fig. 2, the air supply device 110 includes an air supply blower 111 and an air supply duct 112, the air supply blower 111 is installed at an air inlet of the air supply duct 112, and an air outlet of the air supply duct 112 is communicated with an air inlet of the air distribution mechanism 200. The outside air passes through the dehumidifying apparatus 120 and the wet curtain apparatus 130 in sequence and then enters the air distributing mechanism 200 through the air supply duct 112. The air supply fan 111 is a centrifugal fan, and forms a negative pressure, so that external air is sucked into the dehumidification and cooling mechanism 100 for dehumidification and/or cooling.
The dehumidifying agent can adopt a mixed solution of lithium chloride and calcium chloride or other dehumidifying agents, wherein the mass ratio of the lithium chloride to the calcium chloride is 1:1 or 1: 2. The dehumidifier 120 can have various structures, for example, the dehumidifier 120 includes a desiccant storage mechanism, a spray pipe 121, a filler layer 122 and a desiccant collection mechanism, the spray pipe 121 is installed on the top of the filler layer 122, a liquid inlet of the spray pipe 121 is connected with the desiccant storage mechanism, and a bottom of the filler layer 122 is connected with the desiccant collection mechanism. When the dehumidifying operation is performed, the shower pipe 121 sprays the dehumidifying agent in the dehumidifying agent storing mechanism such as a storage tank into the filler layer 122, and since the partial pressure of the water vapor in the outside air is larger than that of the water vapor on the surface of the dehumidifying agent solution, the moisture is transferred from the air to the dehumidifying agent solution, and the outside air is dehumidified and dried. The desiccant can absorb moisture in the outside air passing through the filler layer 122 during the downward flow from the top of the filler layer 122, and the desiccant flowing to the bottom of the filler layer 122 is collected by a desiccant collecting mechanism such as a collecting hopper or a collecting tray and then discharged. Specifically, as shown in fig. 2, in the embodiment of the present invention, the dehumidifying device 120 includes a spraying pipe 121, a packing layer 122 and a dehumidifying agent regenerating system 500, the spraying pipe 121 is communicated with a discharge port of the dehumidifying agent regenerating system 500 and is installed at the top of the packing layer 122, and the bottom of the packing layer 122 is communicated with a feed port of the dehumidifying agent regenerating system 500 through a dehumidifying agent collecting device 123. The dehumidifying agent collecting device 123 is a box body or a flow channel, an opening of the dehumidifying agent collecting device 123 corresponds to the bottom of the packing layer 122, the dehumidifying agent flowing down along the packing layer 122 flows into the dehumidifying agent collecting device 123, and a liquid discharge port is formed in the dehumidifying agent collecting device 123 and connected with a feed port of the dehumidifying agent regeneration system 500. In the embodiment of the present invention, the desiccant after absorbing the moisture in the outside air is treated by the desiccant regeneration system 500 to be recycled.
Fig. 3 is a schematic diagram of a desiccant regeneration system according to an embodiment of the present invention. On the basis of the above embodiment, as shown in fig. 3, the dehumidifying agent regenerating system 500 includes a liquid storage tank 510, a heater 520, a regenerator 530 and a cooler 540, the liquid storage tank 510 is connected to the outlet of the dehumidifying agent collecting device 123, and the liquid outlet of the liquid storage tank 510 is connected to the shower pipe 121 through the heater 520, the regenerator 530 and the cooler 540 in sequence. The desiccant concentration after absorbing moisture in the outside air is reduced, diluted, heated to a certain temperature by the heater 520, and then introduced into the regenerator 530 for regeneration.
With reference to fig. 3, the liquid storage tank 510 includes a first liquid storage tank 511, a filtering tank 512 and a second liquid storage tank 513, the first liquid storage tank 511 is communicated with the dehumidifying agent collecting device 123 of the dehumidifying device 120, and the first liquid storage tank 511 is communicated with the second liquid storage tank 513 via the filtering tank 512. The desiccant is stored in the first reservoir 511 after the desiccant absorbs the humidity of the outside air in the packing layer 122 and the solution concentration decreases to become a dilute solution. Because the desiccant can be polluted by impurities in the air in the dehumidification process, the filtering tank 512 is arranged behind the first liquid storage tank 511, and the filtering tank 512 can adopt acid and alkali resistance and filtering materials with high filtering speed, such as fiber ball filtering materials. The dehumidifying agent is filtered by the filtering tank 512 before regeneration, and then enters the second liquid storage tank 513 for storage and regeneration. The embodiment of the utility model provides a two-stage liquid storage tank structure is particularly useful for the aquaculture, and dust and ammonia content in the air are higher in the plant, can effectively get rid of impurity with the help of the sediment of first liquid storage tank 511 and adjust and the filtering ponds 512 between the two-stage liquid storage tank.
The heater 520 is a solar heat collection auxiliary electric heater, and can adopt a solar heat collection mode when solar radiation is strong enough in the daytime, and can adopt electric heating when solar heat collection cannot be adopted. The regenerator 530 includes a nozzle, a dehumidifying fan and a tank, the nozzle is communicated with the liquid outlet of the heater 520 and is installed at the tank opening, and the dehumidifying fan is installed on the tank for discharging the steam in the tank. The dilute solution heated by the heater 520 is sprayed from the spray head and then flash evaporation occurs due to sudden pressure drop, and the moisture in the dilute solution is evaporated and brought out by the dehumidification fan, so that the dilute solution is concentrated, and the regeneration process of the desiccant is completed. The regenerated desiccant has a higher temperature and enters the dehumidification cooling mechanism 100 again after being cooled by a cooler 540 such as an air cooler or a heat recovery device.
In order to improve the heat utilization in the regeneration process of the desiccant, the desiccant regeneration system 500 further comprises a heat recoverer 550, a liquid outlet of the liquid storage tank 510 is connected with the heater 520 through the heat recoverer 550, and a liquid outlet of the regenerator 530 is connected with the cooler 540 through the heat recoverer 550. As shown in fig. 3, the desiccant collected from the desiccant collection device 123 in the dehumidification cooling mechanism 100 enters the first reservoir 511, is filtered by the filter 512, and is stored in the second reservoir 513. The heat recovery device 550 exchanges heat between the regenerated concentrated solution and the regenerated dilute solution, the regenerated dilute solution is further heated by the heater 520 and then regenerated in the regenerator 530, and the regenerated solution is further cooled by the cooler 540 after recovering heat in the heat recovery device 550. In this embodiment, the heat recovery unit 550 can improve the energy utilization efficiency, and further cool the regenerated concentrated solution through the temperature reducer 540, thereby improving the dehumidification capability. In addition, the desiccant regeneration system 500 has a control valve for opening or blocking the circulation flow of the desiccant as needed. As shown in fig. 3, the control valve is installed on the communication pipe between the regenerator 530 and the heat recoverer 550. In addition, the desiccant regeneration system 500 further includes a temperature sensor 560, and the operating state of the heater 520 is controlled by temperature information collected by the temperature sensor 560.
Fig. 4 is the embodiment of the present invention provides a transverse sectional view of the dehumidifying and cooling mechanism. As shown in fig. 4, the dehumidifying and cooling mechanism 100 further includes a protective cover 140, a filter screen 150 and an adsorption layer 160, wherein the protective cover 140, the filter screen 150, the dehumidifying device 120, the adsorption layer 160 and the wet curtain device 130 are sequentially arranged along the flow direction of the gas. The protective cover 140 may be an ABS anti-aging grille shutter for reinforcing the entire dehumidification cooling mechanism 100 and preventing accidental damage in case of collision. The filter screen 150 may be a glass fiber gauze; the adsorption layer 160 can adopt an electrostatic electret cotton filter screen; the screen 150 and the absorbent layer 160 need to be cleaned and replaced periodically during use. Outside air is sucked into the dehumidifying and cooling mechanism 100 by the air supply fan 111, and is filtered by the filter screen 150 to remove large-sized impurities such as flying cotton, mosquitoes, sand and stones, and then is dehumidified by the dehumidifying device 120. The dehumidifying agent is a mixed solution of lithium chloride and calcium chloride with the mass ratio of 1:1, the mixed solution is sprayed onto the packing layer 122 through a spray head of the spray pipe 121, part of moisture content of high-temperature and high-humidity air is removed in the process of passing through the dehumidifying device 120 to become high-temperature and low-humidity air, the high-temperature and high-humidity air is conditioned through the adsorption layer 160 to remove dehumidifying agent liquid drops drifting out along with the air, then the conditioned air flows enter the wet curtain device 130, the conditioned air flows are cooled through the wet curtain 132 to become low-temperature air, and finally the low. The embodiment of the utility model provides an in, before cooling down the operation through wet curtain device 130, carry out dehumidification and air current with the help of dehydrating unit 120 and adsorbed layer 160 to outside humid air and take care of to improve wet curtain device 130's cooling range, can also avoid simultaneously that the elegant droplet of desiccant gets into wet curtain device 130 and follow-up pipeline to cause the pollution.
As shown in fig. 2, the wet curtain device 130 includes a water spraying pipe 131, a wet curtain 132 and a circulating water system 600, the water spraying pipe 131 is communicated with the water outlet of the circulating water system 600 and is installed on the top of the wet curtain 132, and the bottom of the wet curtain 132 is communicated with the water inlet of the circulating water system 600 through a circulating water collecting device 133. Wherein, the thickness of the wet curtain 132 is between 10cm and 15 cm. The embodiment of the utility model provides a realize the circulation flow of cooling water with the help of circulating water system 600, it needs to explain that the cooling water can be ordinary water, also can adopt other cooling liquid, to this, the embodiment of the utility model provides a do not specifically prescribe a limit. Wherein, the spray pipe 121, the filler layer 122, the dehumidifying agent collecting device 123 and the space where the dehumidifying agent collecting device is located are communicated in the dehumidifying and cooling mechanism 100 to form a relatively independent dehumidifying chamber. Similarly, the wet water spraying pipe 131, the wet curtain 132, the circulating water collecting device 133 and the space thereof are communicated in the dehumidifying and cooling mechanism 100 to form a relatively independent cooling chamber. Wherein, the circulating water provided by the circulating water system 600 and the desiccant provided by the desiccant regeneration system 500 can be adjusted in flow rate and flow rate. In addition, the dehumidification cooling mechanism 100 is internally provided with a static pressure sensor for detecting the ventilation resistance in the dehumidification cooling mechanism 100, and when the ventilation resistance is too large, the filter screen 150, the packing layer 122 and the wet curtain 132 need to be replaced.
Fig. 5 is a schematic structural diagram of a circulating water system according to an embodiment of the present invention. As shown in fig. 5, the circulating water system 600 includes a water tank 601, a filter (not shown) and a water pump 602 are installed on a communication pipe between the water tank 601 and the water spray pipe 131, and a water inlet of the water tank 601 is connected to an outlet of the circulating water collecting device 133. When the water storage tank 601 supplies water to the spray pipe 131 through the water pump 602, impurities in the water are removed through the filter, so that the service life of the whole dehumidification cooling mechanism 100 is prolonged, and the cooling effect is improved. A control valve is installed in the circulating water system 600 to open or block the flow of circulating water as needed.
As shown in fig. 2 and 4, the cross sections of the filler layer 122 and the wet curtain 132 are both square, the filler layer 122 is sleeved outside the wet curtain 132, an air channel is formed inside the wet curtain 132, and air in the air channel enters the air distribution mechanism 200 through the air supply duct 112. At this time, the external air flows in from four sides of the square structure by the blower fan 111, and passes through the packing layer 122 and the wet curtain 132 in order to perform the dehumidifying and cooling operation. The circulating water collecting device 133 and the dehumidifying agent collecting device 123 are correspondingly arranged at the bottoms of the wet curtain 132 and the filler layer 122, and the air supply fan 111 is arranged at the top. Of course, the packing layer 122 and the wet curtain 132 may be disposed in a layered manner, for example, both are disposed at the air inlet end of the air inlet pipe, the air supply fan 111 is disposed at the air outlet end of the air inlet pipe, and under the action of the air supply fan 111, the external air sequentially passes through the packing layer 122 and the wet curtain 132, enters the air inlet pipe, and is discharged into the air distribution mechanism 200 through the air supply duct 112 communicated with the air inlet pipe.
FIG. 6 is a partial structure of a packing layer according to an embodiment of the present inventionIntention is. As shown in fig. 6, the leeward side of the filler layer 122 is zigzag and the windward side is planar. The structure of cockscomb structure can increase the outside air flow through when packing layer 122 with the area of contact of desiccant, improves dehumidification effect, compares simultaneously and can also reduce the resistance that the air was walked in conventional rectangle packing layer, helps improving ventilation efficiency. As shown in FIG. 6, the total thickness L of the zigzag packing layer 122 according to the embodiment of the present invention110cm, the narrowest part L of the windward side24-5 cm, the leeward side forms a grid, and the width L of each grid3Is 1cm, and the distance L between two adjacent grids4Is 1 cm. Of course, the above data can also be other values, such as the total thickness L of the filler layer 12218cm, the narrowest part L of the windward side24cm, each grid width L32cm, the distance L between two adjacent grids4Is 1.5cm or 2cm, and the embodiment of the present invention is not particularly limited as long as the packing layer 122 is zigzag. The packing layer 122 comprises a shell and PVC thread oblique ripple packing filled in the shell, and the desiccant flows down along the packing layer 122 and enters the desiccant regeneration system 500 for recycling.
The air distributing mechanism 200 includes an inner housing section 210 and an outer housing section which are communicated with each other. Wherein, the house outer segment is linked together with the dehumidification cooling mechanism 100 that is located the animal poultry house 400 outside, and house inner segment 210 adopts fibre sack tuber pipe, through the fibre gap on the tuber pipe wall and the multirow air outlet 220 air-out of seting up, adopts fibre infiltration and the efflux of 220 micropores of air outlet, and the cooperation end is installed on the wall updraft ventilator 300 realizes the even air supply in whole animal poultry house 400, avoids great difference in temperature to appear in animal poultry house 400 both ends. Fig. 7 is a view of the air duct in the radial direction according to the embodiment of the present invention. As shown in FIG. 7, the air outlets 220 of the air distributing mechanism 200 are located on the side of the air duct facing the ground and facing the air extracting mechanism 300, the diameter phi of the air outlets 220 is 1.5mm to 4mm, and the distance d between two adjacent rows of the air outlets 220 is 10cm to 20 cm. Fig. 8 is an axial view of the air duct according to the embodiment of the present invention. As shown in fig. 8, an included angle γ between the vertical direction of the air duct and the first exhaust port 2201Is 10-15 degrees, the diameters of the air outlets 220 can be different, and the included angle gamma between the two adjacent rows of air outlets 2202And gamma1May be the same or different. Wherein, the included angle between any two adjacent rows of air outlets 220 is the same. The projection area of the air pipe in a certain diameter direction is 3-5 times of the total area of the multiple rows of air outlets 220.
In the embodiment of the present invention, in the dehumidification cooling system for livestock and poultry houses, the dehumidification cooling mechanism 100 and the air distribution mechanism 200 are all provided in a plurality of and one-to-one correspondence, the dehumidification agent regeneration system 500 is shared by the dehumidification cooling mechanisms 100, and the circulation water system 600 is shared by the air distribution mechanisms 200.
Additionally, the embodiment of the utility model provides a livestock and poultry house dehumidification cooling system still includes controller 700, first collection terminal 800 and second collection terminal 900, and first collection terminal 800 is used for gathering the environmental information in the livestock and poultry house 400, and second collection terminal 900 is used for gathering the outer environmental information of livestock and poultry house 400, and controller 700 controls the operation of dehumidification cooling mechanism 100 according to the environmental information control that first collection terminal 800 and second collection terminal 900 gathered. Specifically, the first collection terminal 800 includes a temperature and humidity sensor for acquiring the internal ambient temperature and humidity information of the livestock and poultry house 400, and the second collection terminal 900 includes a temperature and humidity sensor for acquiring the external ambient temperature and humidity information of the livestock and poultry house 400, and if the external ambient temperature is 15 ℃ to 22 ℃ and the external humidity is higher than the set humidity, only the dehumidification chamber is started to operate, and the circulating water system 600 is in a closed state at this time. The set humidity can be 70% or 75%, and can be adjusted or set according to actual conditions. Meanwhile, the flow rate of the dehumidifying agent and the reflux temperature of the dehumidifying agent are adjusted according to the temperature and humidity information of the environment inside and outside the livestock and poultry house 400. In the desiccant regeneration system 500, a first temperature sensor is installed behind the heater 520 and a second temperature sensor is installed behind the cooler 540 in the flow direction of the desiccant, and the controller 700 is in communication with the first temperature sensor and the second temperature sensor, respectively, and controls the operation of the heater 520 and the cooler 540 according to the required desiccant return temperature. If the external environment temperature is higher than 22 ℃ and the external environment humidity is lower than the set humidity, only the cooling chamber is operated, at this time, the dehumidifying agent regeneration system 500 is in a closed state, and the controller 700 controls the control valve in the circulating water system 600 according to the temperature and humidity information inside and outside the livestock and poultry house 400, so as to control the flow rate of the circulating water. According to the detected temperature and humidity information, the dehumidifying chamber and the cooling chamber can be simultaneously started, at this time, the dehumidifying agent regeneration system 500 and the circulating water system 600 are both in an open state, and the external air is cooled and dehumidified simultaneously. Therefore, the embodiment of the utility model provides an animal and poultry house dehumidification cooling system can operate under dehumidification mode, cooling mode and the three kinds of modes of dehumidification cooling mode. The switching of the three modes can be decided by an operator according to the collected environmental information, and can also be automatically switched by the controller 700 in the intelligent operation mode. It should be noted that the external ambient temperature limit value in the above case can be set as required, and the data in the above embodiment is only for illustration and is not particularly limited.
On the basis of the above embodiment, the first collecting terminal 800 further includes a differential pressure sensor installed in the livestock and poultry house 400, and the first controller 700 controls the operation number and the operation power of the fans in the air draft mechanism 300 according to the differential pressure sensor, so as to ensure that the internal and external static pressure difference is stabilized within-5 to 10 Pa. Similarly, an information acquisition device 170 is installed at an air inlet end of the air supply fan 111 in the dehumidification and temperature reduction mechanism 100, the information acquisition device 170 comprises a pressure difference sensor and a temperature and humidity sensor, and the controller 700 is connected with the pressure difference sensor and the temperature and humidity sensor in the dehumidification and temperature reduction mechanism 100 to control the operation power of the air supply fan 111 and the operation of the desiccant regeneration system 500 and the circulating water system 600 to control the temperature, the humidity and the air volume of the air blown by the air supply fan 111. The environmental information also includes the concentration of carbon dioxide in the poultry house 400, and provides another reference data for adjusting the number of fans and the operating power of the ventilation mechanism 300 and the supply fan 111.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a beasts and birds house dehumidification cooling mechanism, its characterized in that includes air supply arrangement, dehydrating unit and wet curtain device, dehydrating unit with wet curtain device sets up in order air supply arrangement's income wind gap, air supply arrangement's air outlet is used for the air intake intercommunication with beasts and birds house.
2. The livestock and poultry house dehumidifying and cooling mechanism according to claim 1, wherein the dehumidifying device comprises a spray pipe, a packing layer and a dehumidifying agent regeneration system, the spray pipe is communicated with a discharge port of the dehumidifying agent regeneration system and is installed at the top of the packing layer, and the bottom of the packing layer is communicated with a feed port of the dehumidifying agent regeneration system through a dehumidifying agent collecting device.
3. The livestock and poultry house dehumidifying and cooling mechanism of claim 2, wherein the leeward side of the filler layer is serrated.
4. The livestock and poultry house dehumidifying and cooling mechanism of claim 2, wherein the dehumidifying agent regenerating system comprises a liquid storage tank, a heater, a regenerator and a cooler, the liquid storage tank is connected with the outlet of the dehumidifying agent collecting device, and the liquid outlet of the liquid storage tank is communicated with the spray pipe through the heater, the regenerator and the cooler in sequence.
5. A dehumidifying and cooling mechanism for livestock and poultry houses as claimed in claim 4, wherein said dehumidifying agent regenerating system further comprises a heat recovery device, said liquid outlet of said liquid storage tank is connected with said heater through said heat recovery device, and said liquid outlet of said regenerator is connected with said cooler through said heat recovery device.
6. A dehumidifying and cooling mechanism for livestock and poultry houses according to claim 4 or 5, wherein said liquid storage tank comprises a first liquid storage tank, a filter tank and a second liquid storage tank, said first liquid storage tank is connected with the outlet of said dehumidifying agent collecting device, said filter tank is communicated with said first liquid storage tank and said second liquid storage tank, and said second liquid storage tank is connected with said heater.
7. A dehumidifying and cooling mechanism for livestock and poultry houses according to any of claims 1-5, further comprising a protective cover, a filter screen and an adsorption layer, wherein the protective cover, the filter screen, the dehumidifying device, the adsorption layer and the wet curtain device are arranged in sequence along the flow direction of the gas.
8. A dehumidifying and cooling mechanism for livestock and poultry houses according to any one of claims 1-5, characterized in that said wet curtain device comprises a water spraying pipe, a wet curtain and a circulating water system, said water spraying pipe is connected with the water outlet of said circulating water system and is installed on the top of said wet curtain, the bottom of said wet curtain is connected with the water inlet of said circulating water system through a circulating water collecting device.
9. The dehumidifying and cooling mechanism for livestock and poultry houses as claimed in claim 8, wherein said circulating water system comprises a water storage tank, a filter and a water pump are installed on the connecting pipeline between said water storage tank and said water spraying pipe, and the water inlet of said water storage tank is connected with the outlet of said circulating water collecting device.
10. A livestock house dehumidifying and cooling system, which is characterized by comprising the livestock house dehumidifying and cooling mechanism as claimed in any one of claims 1 to 9.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113349068A (en) * | 2021-07-08 | 2021-09-07 | 丹汇规划设计(广东)有限公司 | Multi-mode clerestory system for building cultivation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349068A (en) * | 2021-07-08 | 2021-09-07 | 丹汇规划设计(广东)有限公司 | Multi-mode clerestory system for building cultivation |
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