72 results about "Cold season" patented technology

The invention relates to the technical field of animal feed, in particular to cold-season yak supplementary feeding granules and a supplementary feeding method and application thereof. The supplementary feeding granular material for yaks in the cold season is prepared from the following components in percentage by weight: 10-13% of corn straws, 20-25% of sunflower seed shells, 35-38% of corn kernels, 9.4-10% of soybean meal, 8-10% of cottonseed meal, 0.8-1% of baking soda, 0.8-1% of table salt, 0.5-1% of feed premix and 4-5% of yeast leavening. Through a scientific formula, various nutritional ingredients needed by yaks can be provided, it is ensured that the yaks obtain comprehensive nutritional support in different growth stages, and meanwhile, high-energy nutritional ingredients can be provided to make up for a large amount of energy consumed by the yaks in the growth process; the feed can be converted into meat more efficiently, the growth speed and production benefits of the yaks are improved, and the feed has good digestibility and can be better absorbed by the yaks, so that feed waste is reduced, and the feeding efficiency is improved.

The utility model belongs to the technical field of lawn cultivation, and particularly relates to a cold season type lawn cultivation device which comprises a push rod fixedly assembled at one end of a shell, a transmission bin fixedly assembled in the shell, a cutter cover fixedly connected to one end of the transmission bin, and a cross rod fixedly connected to the middle of the push rod. An auxiliary rod is rotationally connected to the outer wall of the cross rod in a damping mode, a connecting rod is fixedly connected to the position, located in the shell, of one end of the auxiliary rod, a protruding block is fixedly connected to the middle of the connecting rod, and a cover ring is assembled on the outer wall of the cutter cover in a sliding mode. Through the cover ring and the apron board which are arranged on the outer side of the cutter cover in a sliding mode, broken stones hidden in a lawn can be shoveled to the two sides in advance, the situation that a mowing blade collides with the broken stones and is abraded is avoided, trimming work is guaranteed, meanwhile, the cover ring can bounce up and down along with the terrain in the advancing process of the device, or the cover ring is adjusted and controlled through an auxiliary rod, and the mowing efficiency is improved. And in cooperation with the grate column, the gravel filtering effect is jointly improved.

The invention provides a breeding house automatic control ventilation system and a breeding house, the breeding house automatic control ventilation system comprises an air bellow and a control module, the air bellow is arranged in the upper space of the breeding house and is provided with a first air port and a second air port, the first air port is arranged in the side wall of the air bellow and is used for blowing air in the direction away from animals, and the second air port is arranged in the side wall of the air bellow; the second air opening is formed in the bottom wall of the air bellow and can blow air towards the animal body surfaces in the breeding house; the control module is in communication connection with the air bellow and can control opening or closing of the first air opening and the second air opening based on the current season. Therefore, the second air port can be closed to avoid formation of body surface wind and animal cold stress in the season with low air temperature, and the second air port can be opened to provide body surface wind and avoid animal heat stress in the season with high air temperature, so that the body surface comfort of the animal is further improved, the possibility that the animal gets ill is reduced, and the animal quality is improved. And large-scale economic loss of the farm is also avoided.

1. The materials of the articles relating to this design are textiles, metals, and synthetic resins. 2. The articles relating to this design are baby ventilation seats and are used attached to strollers and child seats. 3. Reference Figure 1 is a magnified view of the heating pad pocket. 4. Reference Figure 2 is a diagram showing the product in use. As shown in Reference Figure 2, the articles relating to this design are equipped with a heating pad pocket on the back into which a heating pad can be inserted, and are designed to be usable even in cold seasons.

The utility model discloses a system for raising initial material temperature by fermentation heat, which comprises a high-temperature fermentation chamber and a low-temperature storage chamber, the bottom of the high-temperature fermentation chamber is fixedly connected with a first mounting groove, the bottom of the low-temperature storage chamber is fixedly connected with a second mounting groove, the first mounting groove is internally and fixedly connected with a first heat exchange pipe, and the second mounting groove is internally and fixedly connected with a second heat exchange pipe. A second heat exchange pipe is fixedly connected to the interior of the second mounting groove, a heat exchange box is arranged on one side of the high-temperature fermentation chamber, a first water storage cavity, a second water storage cavity and a ventilation cavity are sequentially formed in the heat exchange box from bottom to top, and heat is released into the low-temperature storage chamber for heat supply through heat exchange. The purposes of increasing the temperature of materials in the low-temperature storage chamber in cold seasons, accelerating the fermentation process, improving the production efficiency, reducing adverse effects of low temperature on fermentation, achieving fermentation waste heat recovery, reducing external energy requirements, providing electric energy for the electric heating plate through the solar panel, reducing energy consumption and achieving environmental protection and energy conservation are achieved.

The utility model relates to the technical field of wooden furniture, and discloses a furniture countertop which specifically comprises a top plate and a bottom plate, the top plate is connected with the bottom plate through a connecting structure, a buffer plate and a noise reduction plate are arranged between the top plate and the bottom plate, the noise reduction plate is located between the buffer plate and the bottom plate, a heating net plate is arranged at the top of the buffer plate, and the top of the noise reduction plate is connected with the bottom plate. A temperature sensor is arranged on one side of the top of the buffer plate, and the detection end of the temperature sensor makes contact with the top plate. The connecting structure comprises a connecting column fixedly connected with the top plate; the furniture countertop is of a split structure, only damaged parts need to be replaced, other intact parts can be reused, and resources are saved; the top plate can be quickly disassembled and assembled, so that when the furniture countertop is used, a user can quickly replace the top plate according to requirements, and the adaptability of the furniture countertop is improved; the top plate can be heated through the heating net plate, and the comfort of the furniture countertop used in cold seasons is improved.

The utility model discloses an assembled bio-based zero-degree cotton pillow which comprises a pillowcase, a first zero-degree cotton pillow body and a second zero-degree cotton pillow body, the first zero-degree cotton pillow body and the second zero-degree cotton pillow body are both located in the pillowcase, and the second zero-degree cotton pillow body is located at the lower end of the first zero-degree cotton pillow body. A connecting zipper is fixedly connected to one side of the pillowcase, and a circulating water heating mechanism is positioned and mounted at the upper end of the pillowcase. According to the split mounting type bio-based zero-degree cotton pillow, the circulating water heating mechanism is arranged, the heat preservation pillow cushion can be helped to maintain the proper temperature, the warm feeling can promote blood circulation of the neck and the shoulders, muscle tension and fatigue can be relieved easily, the warm pillow can provide more comfortable sleep experience, and the pillow is suitable for popularization and application. Particularly in cold seasons, the mattress can be kept at a comfortable temperature, so that the pleasure of use is increased, and meanwhile, the mattress is beneficial to improving the sleep quality.

The invention discloses a method for predicting the change of downward radiation of a generic northern ice ocean and the contribution of a seasonal driving factor of the generic northern ice ocean. The method comprises the following steps: firstly, acquiring and preprocessing downlink radiation and related environmental factor data of a generic northern ice ocean area; then, a hybrid deep learning model CNN-STLSTM-CNN is constructed and trained to predict the change of downlink radiation; next, the trained model is used for predicting the downward radiation change of the next month, the contribution proportion of main environmental factors such as cold season and warm season temperature, sea ice concentration, relative humidity and latent heat flux to the downward radiation change is analyzed and quantified through model sensitivity, and finally the contrast effect of the sea ice concentration in different seasons is revealed. According to the method, the change of the downward radiation of the generic northern ice ocean can be predicted with relatively high precision, the seasonal driving factors are deeply analyzed, and a scientific basis is provided for understanding and coping with the climate change of the north pole.

The utility model discloses a water heater exhaust pipe for a cold region, and relates to the technical field of solar exhaust pipelines. The inlet end of the exhaust pipe is connected with a water tank of the water heater, the rainproof cover is mounted at the outlet end of the exhaust pipe and consists of a cover body and a connecting rod, the cover body is umbrella-shaped, the bottom of the cover body is connected with the outlet end of the exhaust pipe through the connecting rod, a heat tracing band is wound on the exhaust pipe, and the heat tracing band is connected with the water tank of the water heater. The exhaust pipe is further sleeved with a heat preservation sleeve after being wound with the heat tracing band, an inner cavity of the exhaust pipe is communicated with an inner cavity of the heat preservation sleeve through a drainage pipe, and a sealing plug is arranged in a pipe opening of the drainage pipe located on the heat preservation sleeve. In cold seasons, water mist formed in the exhaust pipe flows out through the drainage pipe, and after exhaust of the exhaust pipe is completed and the water mist in the exhaust pipe is discharged through the drainage pipe, the sealing plug is installed at a pipe opening of the drainage pipe to prevent cold air from entering the exhaust pipe, so that the drainage pipe is always kept in a constant-temperature state, and breakage and influence on the use efficiency of the exhaust pipe are avoided.

The invention belongs to the technical field of pigsty ventilation, and relates to a pigsty partitioned air supply device and an air supply method thereof. The hog house is divided into a plurality of areas, and a hog house partition air supply device is installed in each area. The pigsty partition air supply device comprises an air inlet cavity, a flow equalizing cavity and an air outlet cavity. The side face of the air inlet cavity is connected with an air supply branch pipe which is internally provided with a temperature sensor. The air inlet cavity and the air supply branch pipes are located below the raised floor plane of the hog house ground. The sum of the flow equalizing cavity height and the air outlet cavity height is equal to the hog house fence height; the air inlet cavity and the flow equalizing cavity are separated by a partition plate, and a divergent opening is prefabricated in the partition plate. A flow equalizing pore plate and a heating wire are arranged in the flow equalizing cavity; the air outlet cavity is thicker than the flow equalizing cavity, and a first air supply outlet is formed in the bottom surface of the extending part of the air outlet cavity and faces the ground; a second air supply opening is formed in the front of the air outlet cavity. The problems that a traditional hog house is poor in longitudinal ventilation uniformity, large in air volume and high in energy consumption are solved. The requirements for efficient heating and air quality improvement of the hog house in cold seasons are met.

The application discloses a plateau permafrost area controllable cold region maintaining device, relates to the roadbed maintenance technical field of plateau permafrost area, and comprises a hot rod body, a protection structure is installed at the top of the hot rod body, a transmission mechanism is installed at the top of the protection structure, an environment sensing machine is installed at the top of the transmission mechanism, and a damping mechanism is installed at the top of the transmission mechanism and at the side of the environment sensing machine, the cooperation of the environment sensing machine, the protection structure and the transmission mechanism realizes the full-season self-adaptive regulation and control of automatic covering in the warm season and automatic opening in the cold season, manual intervention and external power driving are not needed, the hot rod body working mode can be automatically switched according to the change of the environment temperature, the technical defects that heat backflow and permafrost warming and thawing are prone to occurring in the summer of the traditional hot rod are solved, and the permafrost temperature control stability and the roadbed safety are remarkably improved.

This invention discloses a concrete self-curing device and its usage method, including an internal curing device, wires, and a controller. The internal curing device is connected to the controller via the wires and is embedded within the concrete block. The advantages of this invention are: by controlling the electromagnetic induction coil and semiconductor cooling chip, the internal temperature of the concrete is reduced in the early stages, preventing early-age cracking; through the electromagnetic induction coil in the device, the controller controls the electromagnetic induction coil to emit a high-frequency alternating electric field, causing the nano-ferric oxide inside the concrete to heat up in the alternating electric field. In cold seasons, this allows the concrete to self-heat, preventing cracking due to freeze-thaw erosion.

The invention discloses a cold season air temperature intelligent forecasting method, and relates to the technical field of air temperature forecasting, and the method comprises the steps: S1, carrying out YGQF collaborative observation based on one station and two networks, and constructing a collaborative observation data set; s2, calculating the YGQF position and intensity data of the long sequence through the collaborative observation data set, and constructing a YGQF label data set; s3, matching the characteristic parameters and the topographic parameters with a YGQF label data set, and constructing a YGQF full-amount data set; s4, by means of the YGQF full-amount data set, an AI technology-based intelligent air temperature forecasting model is researched and developed on the basis of a Transform architecture; s5, building an AI technology-based air temperature forecasting module by using the intelligent air temperature forecasting model; and S6, connecting the air temperature forecasting module to the test platform for trial. The cold season temperature forecasting accuracy of the east region of Yunnan is improved by 3-10% on the basis of the prior art, and the improvement of the fine and intelligent weather forecasting early warning capability of Yunnan is supported.

The utility model provides an intelligent temperature control infusion support, which belongs to the field of infusion supports and comprises a support rod, a heater is mounted at the outer end of the support rod, and an infusion tube positioner is fixedly connected to the bottom end of the heater. The heater comprises a sleeve, the sleeve is arranged at the outer end of the supporting rod in a sleeving mode, the outer end of the sleeve is fixedly connected with a connecting ring, the right end of the connecting ring is fixedly connected with a connecting block, and the right end of the connecting block is fixedly connected with a heating cylinder. The heating cylinder is connected with the supporting rod through the sleeve, in the infusion process, the position of an infusion bottle is limited by the supporting rod, an infusion tube penetrates through the heating cylinder, the electromagnetic coil in the heating cylinder is powered on and emits heat, the infusion tube penetrating through the heating cylinder is heated by the electromagnetic coil, and therefore liquid medicine in the infusion tube is heated and prevented from being heated in cold seasons; and the cold liquid medicine enters the body of the patient to cause discomfort of the patient.

The utility model discloses adjustable and controllable cross-seasonal soil cold storage and supply equipment which comprises a cold storage loop, the cold storage loop is connected with a cold supply loop through a circulating pipeline, and the cold storage loop and the cold supply loop are both electrically connected with a frequency conversion automatic control system. The thermal inertia of the soil is utilized, the natural cold energy is stored across time and space, the cold storage and supply temperature is accurately regulated and controlled, only a circulating pump consumes a small amount of electric energy, the cold energy in the atmosphere is continuously stored in underground soil in a cold season, a heat preservation tank is used as a connecting and buffering device, the cold storage and supply requirements within-40 DEG C are met, and the system is extremely low in energy consumption and low in cost. The operation cost is extremely low and the application range is wide.

The utility model provides an air source hot water unit installation device which comprises a containing box and a collecting vessel, an opening is formed in one side of the containing box, a sealing door for opening and closing the opening is arranged at the opening, ventilation openings are symmetrically formed in the inner wall of the containing box in a penetrating mode, a plurality of rotating shafts are rotatably arranged in each ventilation opening, and a baffle is fixedly arranged on each rotating shaft. The air source hot water unit shell comprises a containing box, a rotating shaft is arranged on the containing box, a rotating assembly for driving the rotating shaft to rotate is further arranged on the containing box, a collecting vessel is arranged on the top of the containing box, and a ceiling is detachably arranged on the top of the collecting vessel. And cold air enters the machine shell in the cold season, so that the working efficiency of the hot water unit is influenced.

The utility model belongs to the technical field of geological disaster early warning, and discloses a geological disaster early warning monitoring device which comprises a lock floor, a corner base is fixedly mounted at the top of the lock floor, a rotating shaft is rotatably mounted above the corner base through a bearing, a detection rod is fixedly mounted at the top of the rotating shaft, and a support is fixedly mounted on the inner side of the top of the lock floor. The top of the support is fixedly provided with the landslide extensometer, the connecting rod drives the pull rope to swing up and down through the sleeve damage, and ice and snow attached to the pull rope are shaken off, so that the weight of the pull rope is reduced, the detection rod is prevented from being pulled by the inner side to restore to the original shape, the landslide extensometer does not give out early warning at the moment, and when the detection rod does not return to the original position, the landslide extensometer gives out early warning. Or when the air temperature detector does not detect the air temperature in a cold season in winter and the detection rod is subjected to the tension of the inner side to generate a corner, it is indicated that the two locking plates located on the two sides of the landslide crack are likely to be away from each other, and at the moment, the landslide extensometer gives out an early warning.

The utility model relates to the technical field of nursery stock planting, and discloses an out-of-season nursery stock planting and cultivating device which comprises a nursery stock pot, and a plurality of groups of mutually spliced transparent moisturizing frames are arranged above the nursery stock pot; the transparent moisturizing frames are provided with connection locking mechanisms, and the plurality of groups of transparent moisturizing frames are connected and locked on the seedling raising pot through the connection locking mechanisms; according to the seedling out-of-season planting and cultivating device, by splicing the multiple sets of transparent moisturizing frames, the height of the seedling pot can be adjusted, seedlings are allowed to keep a natural vertical state in the growth process, and the top ends are prevented from being bent, so that healthy and uniform growth of the seedlings is promoted, the survival rate of the seedlings in the follow-up planting process is increased, and the actual use requirement is met; meanwhile, better space temperature requirements can be provided for the seedlings, the situation that due to too cold seasons, the material cultivation effect is affected is avoided, and the using effect of the device is improved.

The utility model provides a sheep fur carpet with a good heat preservation effect, and belongs to the technical field of furniture supplies. Comprising a sheep fur carpet body. Compared with the prior art, the sheep fur is adopted as the main body material of the carpet, the sheep fur can effectively isolate cold air on the ground and keep feet warm due to the natural heat retention property and air permeability, meanwhile, a good air permeability effect is provided, stuffiness caused by long-time use is avoided, and the sheep fur carpet is particularly suitable for being used in cold seasons or low-temperature indoor environments; the binding force between the carpet frame and the sheep fur carpet body is enhanced through the first attaching part and the second attaching part, the sheep fur carpet body, the comfortable layer and the supporting layer are effectively fixed through the design of the limiting cavity, the overall stability and durability of the carpet are improved, the outer ring inclined plane design of the carpet frame is attractive, and the service life of the carpet is prolonged. The risk of stumbling during walking can be reduced; and the internal deformation cavity can absorb impact force when the carpet is treaded, so that the walking comfort and the durability of the carpet are improved.

The utility model relates to the technical field of water conveyance canals, and discloses a long-distance water conveyance canal with an ice blocking function, which comprises an outer canal body, and an inner canal body is arranged on the inner side of the outer canal body. According to the long-distance water conveying channel with the ice blocking function, when the long-distance water conveying channel formed by constructing the single inner channel body and the single outer channel body is used, a blocking frame is inserted between the positioning insertion frames on the inner side of the inner channel body, and the interior of the water conveying channel can be closed in an auxiliary mode through the arranged blocking frame; in the past of cold seasons, the blocking frame can be moved upwards in the inner canal body by rotating the rotating handle, the interior of the canal is opened, then the water conveying efficiency can be improved, and the adjusting state can be flexibly switched for use; the problem that floating icicles in a long-distance water conveying channel cannot be conveniently intercepted in an auxiliary mode is solved.

The invention discloses a daily scale snow and drought analysis method and system. The method specifically comprises the following steps: 1, calculating a daily accumulated snow water equivalent percentile, an accumulated air temperature percentile and an accumulated rainfall percentile after a cold season starts; 2, identifying the snow and drought occurrence day and the snow and drought intensity based on the daily accumulated snow water equivalent percentile; classifying the temperature and humidity of the day based on the cumulative temperature percentile and the cumulative rainfall percentile; and step 3, analyzing snow and drought based on a classification result and a graph theory method. While the snow and drought events are identified and classified, the evolution trajectory of the snow and drought events can be visually and finely visualized.

The utility model discloses a multi-layer adjustable beehive, and particularly relates to the technical field of beekeeping, the multi-layer adjustable beehive comprises a bottom hive assembly, a super assembly is arranged on the upper side of the bottom hive assembly, a plurality of frame assemblies distributed in a linear array are arranged on the inner surface of the super assembly, a hive cover assembly is arranged on the upper side of the super assembly, the bottom hive assembly comprises a first hive body, and a second hive body is arranged on the bottom hive assembly. A first supporting frame is fixedly connected to the upper side of the inner surface of the first box body, and a queen excluder is arranged on the upper side of the first supporting frame. According to the multi-layer adjustable beehive, the space between the frames can be accurately adjusted by arranging the frame assemblies, so that the space between the frames is consistent, bee colonies can better keep the body temperature in cold seasons, heat loss is reduced, and bees can more effectively utilize honey storage space due to the consistent space between the frames; the box cover assembly is arranged, so that the ventilation quantity can be adjusted, the temperature and humidity in the device are adjusted, and the environment in the box is optimized.

The utility model discloses a constant temperature heat preservation fan cover, including cover body, fixed ring, heating wire, U-shaped metal sheet and flexible heat preservation cover, the flexible heat preservation cover is laid on the outer wall of cover body, the top and bottom of flexible heat preservation cover are fixedly connected with the cover body through fixed ring, the flexible heat preservation cover is internally provided with a plurality of heating wire, the U-shaped metal sheet is provided with the U-shaped metal sheet, and the U-shaped metal sheet is provided with the U-shaped metal sheet. A plurality of U-shaped metal sheets are arranged on the side, making contact with the cover body, of the flexible heat preservation cover, abut against the outer wall of the cover body, are in a contracted state at the low temperature and are in an open state after being heated, and the U-shaped metal sheets in the open state open the flexible heat preservation cover to form an air heat insulation layer. The heating wire is electrified before air exhaust, and the cover body is fully preheated after the heating wire is heated, so that condensed wastewater generated due to overlarge temperature difference in cold seasons is prevented; after being heated, the U-shaped metal sheet is opened outwards to open the flexible heat preservation cover, and an air heat insulation layer is formed between the opened flexible heat preservation cover and the cover body, so that the heated high-temperature cover body cannot be influenced by the environment temperature to reduce the temperature.

The utility model discloses an anti-freezing fire-fighting system which comprises a controller, a heat preservation box, a water storage tank, a water supply pump, a fire-fighting water outlet device and an anti-freezing water outlet device. The controller, the water storage tank, the water pump and the anti-freezing water outlet device are arranged in the heat preservation box. The anti-freezing water outlet device comprises a water outlet valve, an air inlet valve, an output pipeline and a three-way connector, the first end of the three-way connector is connected with the water outlet end of the water outlet valve, the second end of the three-way connector is connected with the air outlet end of the air inlet valve, and the third end of the three-way connector is connected with the input end of the output pipeline. The water outlet end of the water supply pump is connected with the water inlet end of the water outlet valve, the water inlet end of the water supply pump communicates with the water storage tank, and the controller is electrically connected with the water supply pump. And the fire-fighting water outlet device is arranged outside the heat preservation box and is connected with the output end of the output pipeline. According to the utility model, the fire extinguishing operation can be normally carried out in severe cold seasons.

The application provides a control method, device, equipment and product of an air conditioning system, the method comprising: in response to a first starting signal, obtaining a heat demand parameter of an indoor first heat exchanger and a heat preparation parameter of a compressor, wherein the first starting signal identifies a heating signal of an indoor heating device; judging according to the heat demand parameter and the heat preparation parameter; if the preparation heat corresponding to the heat preparation parameter satisfies the heat demand parameter, the refrigerant from the compressor enters the indoor first heat exchanger to release heat, and the refrigerant after releasing heat enters an outdoor heat exchanger to obtain heat and flows back to the compressor. The outdoor unit, the compressor and the indoor heating device of the air conditioner are connected, the heating of the indoor environment is realized by using the air conditioner, the indoor environment is improved, and the experience of the user in the cold season is improved.

The utility model discloses a neck control mechanism of a massage chair capable of relieving cervical vertebra, which relates to the technical field of vibration motors and comprises a vibration motor body, and a transmission shaft is fixedly mounted at the output end of the vibration motor body. By arranging the vibration motor body, the eccentric wheel, the arc-shaped blade, the fixing block, the first air pipe and the second air pipe, when the vibration motor body is opened, the vibration motor body drives the eccentric wheel to rotate through the transmission shaft, and the eccentric wheel drives the arc-shaped blade to rotate; heat generated by the vibration motor body due to work can be gathered in the fixed box, when an electromagnetic valve outside a first air pipe is opened and an electromagnetic valve outside a second air pipe is closed, rotating arc-shaped blades can drive hot air flow in the fixed box to flow from the first air pipe to the position of the neck of a user, and auxiliary heating is conducted on the neck of the user; and the problem that the neck of the user is uncomfortable due to the cold touch feeling in the cold season is solved, and the practicability of the device is improved.

The application discloses a method for fermenting low-temperature chicken manure. In view of the problem that the prior art cannot efficiently and continuously ferment high-moisture fresh chicken manure in the cold season (environmental temperature <= 0 DEG C), the application provides a dynamic fermentation method based on biological heat self-circulation, which comprises the following steps: when the environmental temperature is greater than or equal to 5 DEG C, at least two fermentation pile heaps in a high-temperature fermentation state are established in advance (start-up stage); when the environmental temperature is less than or equal to 0 DEG C, one high-temperature pile heap is selected in circulation, high-temperature fermentation materials (central temperature >= 60 DEG C) in the high-temperature pile heap are mixed with low-temperature fresh chicken manure to be treated, auxiliary material straw powder and fermentation bacterial agents according to a specific weight ratio, and the sensible heat of the high-temperature materials is used to make the initial temperature of the mixed materials rise to more than 20 DEG C; subsequently, part of the mixed materials is removed for composting, and the remaining materials are left in the original position to continue fermentation as a subsequent heat source, so that the dynamic balance of continuous feeding and discharging is realized. The application does not need external energy, and realizes open-air continuous and efficient fermentation and resource utilization of chicken manure in the cold environment.

This disclosure relates to adaptive thermal control for data centers and IT equipment. A data center thermal control system includes: a local cooler configured to cool a local coolant used for cooling electronic hardware; an external heat exchanger configured to exchange heat from a fluid to outside air; and a fluid circulation system configured to transfer heat from the local cooler to the external heat exchanger by circulating at least one fluid cooling medium, the fluid circulation system including a cold section pointing towards the air cooler. The thermal control system also includes one or more processors and a non-transitory computer-readable medium storing instructions that, when executed by the one or more processors, cause the one or more processors to control the external heat exchanger to cool the fluid in the cold section to a first target temperature during hot seasons and to cool the fluid in the cold section to a lower target temperature during cold seasons.

To provide a vehicle and a concrete mixer truck which, with a simple configuration, can prevent freezing by warming water in a water tank using heat generated from the engine of the vehicle in cold seasons, and can efficiently cool the engine of the vehicle using low-temperature water in the water tank in hot seasons, etc. [Solution] A vehicle comprising an engine, engine coolant, and a passage for circulating the coolant, the passage comprising a water pump, a radiator, a heater core, and a thermostat, and a water tank mounted on the vehicle body, the water tank comprising a water inlet and a water outlet, the passage being arranged through the inner space of the water tank so as to pass through the water stored in the water tank, the passage comprising at least the three-way valve of an upstream three-way valve and a downstream one-way valve in the outer space of the water tank, the vehicle circulating the coolant that has recovered heat from the engine through heat exchange so as to pass through the heater core at least during interior heating, and when the coolant is at or above a predetermined temperature, the thermostat circulates the coolant that has recovered heat from the engine through heat exchange so as to pass through the radiator.

The utility model provides a breeding house internal ventilation device for livestock breeding, which belongs to the technical field of breeding house ventilation and comprises a breeding house. The multiple first ventilation pipes are fixedly connected to the upper end of the breeding house through bolts; the second ventilation pipes are fixedly connected to the lower inner wall of the breeding house through bolts; a plurality of mounting grooves; a plurality of heaters; a plurality of vent holes; a plurality of shunt pipes; a plurality of T-shaped pipes; a plurality of ventilation windows; a PLC (programmable logic controller); according to the device, when the interior of the breeding house needs to be ventilated in cold seasons, fresh air entering the breeding house is preheated through matched use of the heater and the PLC, the livestock stress reaction possibly caused by the fact that cold air directly enters the breeding house is avoided, the design is beneficial for maintaining the proper temperature and humidity environment in the breeding house, and the breeding house is convenient to use. The disease risk caused by temperature fluctuation is reduced, so that the healthy growth of livestock is promoted, and the production performance is improved.