76results about How to "Meet humidity requirements" patented technology

The invention relates to a multi-condenser and double-return-air bypass dehumidification fresh air unit and an air conditioning method. The multi-condenser and double-return-air bypass dehumidification fresh air unit comprises an air feed channel and an exhaust channel. A first heat exchanger and an air feeder are sequentially arranged at the position of the air feed channel. A second heat exchanger and an exhaust fan are sequentially arranged at the position of the exhaust channel. The second heat exchanger is connected with an auxiliary heat exchanger. A first return air bypass valve and a second return air bypass valve are arranged between the air feed channel and the exhaust channel. According to the multi-condenser and double-return-air bypass dehumidification fresh air unit, during refrigerating, the second heat exchanger serves as a condenser, a refrigerant is condensed through the indoor low-temperature exhaust air, the condensation temperature of the unit is reduced, and reheating is conducted through mixing of bypass return air and low-temperature fed air on the air feed side so that cooling capacity losses caused by cold and heat offset can be avoided; in a heating inner circulation mode, an outdoor unit can be started to rapidly increase the indoor environment temperature; and in an outer circulation mode, the second heat exchanger serves as an evaporator, the refrigerant is made to be evaporated through the heat of indoor exhaust air, the evaporation pressure and the heating capacity of the unit are increased, the power consumption of the unit is reduced, and the frosting risk of the unit is avoided.

The invention discloses a hydrogen therapeutic apparatus which comprises a water-electrolysis hydrogen generator, an air chamber, an air blower I, an air blower II, an air storage chamber, a mixing chamber, a flow sensor and a hydrogen concentration monitor, wherein a hydrogen collecting conduit of the water-electrolysis hydrogen generator is communicated with the air chamber; the air chamber is communicated with an air inlet of the air blower I; an air outlet of the air blower I is communicated with the mixing chamber; an air outlet of the air blower II is communicated with the air storage chamber; an air outlet of the air storage chamber is communicated with the mixing chamber; the mixing chamber is provided with a conveyer pipe; the flow sensor is arranged on a pipeline connecting the air storage chamber and the mixing chamber; and the hydrogen concentration monitor is arranged on the conveyer pipe. Through the invention, the hydrogen generated by the water-electrolysis hydrogen generator is blown into the mixing chamber, and air is blown into the air storage chamber and then conveyed into the mixing chamber; the hydrogen / oxygen mixed gas is introduced into a conduit at a patient end and used for treating the patient; and the hydrogen therapeutic apparatus takes full advantage of the antioxidant, anti-inflammation and anti-necrosis effects of hydrogen and can be used for treating and preventing multiple diseases.

The invention discloses a heat pump drying device, which comprises a drying box and a control system, wherein the drying box comprises a shell and an air inlet fan, a dehumidifying heat pump, a main fan, a material shelf, an air outlet fan and a heating heat pump which are arranged in the shell; when an air inlet and an air outlet are closed, the dehumidifying heat pump, the main fan, the material shelf, the heating heat pump and the dehumidifying pump are communicated in sequence, and a circulating path of a drying medium is formed in the shell; when the air inlet and the air outlet are opened, the air outlet, the dehumidifying heat pump, the main fan, the material shelf and the air outlet are communicated in sequence to form a one-way circulating path of the drying medium; and an air path between the main fan and the material shelf is arc-shaped, and an inclined air deflector is arranged in the air path. The heat pump drying device can not only realize high-temperature drying but also realize low-temperature drying and can meet temperature and humidify requirements of the same product at different drying stages; and the air path for communicating the main fan with the material shelf and the air deflector is improved, therefore airflow vortex is reduced, and drying quality and speed are increased.

The invention relates to an activation method of a fuel cell stack, and relates to the technical field of fuel cells. According to the mainly adopted technical scheme, the activation method of the fuel cell stack comprises the following steps: S1, introducing hydrogen into an anode of a to-be-activated cell stack, introducing air or oxygen into a cathode of the to-be-activated cell stack, and enabling the cell stack to be in an open circuit state; S2, carrying out intermittent oxygen deficit treatment on the cell stack; wherein the intermittent hypoxic treatment comprises the following steps:carrying out hypoxic operation on the cell stack to enable the cell stack to be in an oxygen starvation state, and then carrying out reduction operation; and S3, starting a load, selecting a constantcurrent test mode, loading the cell stack to a set current, enabling the cell stack to be in a stable working state, and performing intermittent anoxic treatment on the cell stack. The method is mainly used for shortening the activation time of the fuel cell stack, improving the activation efficiency and reducing the use amount of hydrogen in the activation process.

The invention provides a long-term fluidized aerosol generating device with a self-dispersing function. The long-term fluidized aerosol generating device consists of an airflow supply part, an airflow drying part, a powder ebullition fluidizing part, a powder self-dispersing part and a powder online continuous supply part. Due to the unique design of the airflow drying section and an ebullition fluidizing plate, powder can be in a fluidized state under the action of the bubbling airflow of the fluidizing plate. In the self-dispersing section, part of lumpy powder is further dispersed under the action of high-speed airflow, so that the problems of viscous powder aggregation, clustering, vibrating caking and water absorbing deliquescence are effectively solved, the problems of particle unevenness and powder discharging discontinuity, which occur in the aerosol powder supply process, are effectively avoided, and the even and continuous supply of aerosol powder is ensured.

The invention provides a thermostatic dehumidifying device for an air-conditioner. The thermostatic dehumidifying device comprises an electronic expansion valve, a first heat exchange coil pipe, a throttle valve bank and a second heat exchange coil pipe, which are sequentially connected in a refrigerant pipeline in series, and are also sequentially arranged in an air channel of an indoor unit of the air-conditioner in the windward direction. With the electronic expansion valve and the throttle valve bank, in the refrigerating mode of the air-conditioner, a refrigerant enters the first heat exchange coil pipe to refrigerate and then enters the second heat exchange coil pipe to refrigerate again, so that the refrigerating capacity is increased, and the heat exchange efficiency of the air-conditioner is improved. In the dehumidification mode, air firstly passes through the second heat exchange coil pipe to be cooled and dehumidified, the air is heated when passing through the nearby position of the first heat exchange coil pipe, so that the indoor air is heated again after being dehumidified and cooled, the effect of thermostatic dehumidification is realized, and the demands of people on temperature and humidity are met.

The invention relates to an intelligent freshness retaining special cabinet for fruit and vegetable direct selling. The special cabinet comprises a special cabinet body and refrigeration equipment and is characterized in that the upper portion of the special cabinet body is a functional room, the lower portion of the special cabinet body is an equipment room, and atomization equipment, antiseptic equipment and a gas delivery pump are placed inside the equipment room; the refrigeration equipment is connected with a functional region inside the functional room to complete adjustment of corresponding functions, four storage rooms are arranged between the functional room and the equipment room at vertical intervals, and the temperatures of the storage rooms are 14 DEG C, 8 DEG C, 4 DEG C and 0 DEG C from top to bottom sequentially. The intelligent freshness retaining special cabinet for fruit and vegetable direct selling can adjust the humidity and air control, the humidity inside each box can be controlled, the requirement of different vegetables for the humidity is met, vegetable weightlessness is delayed, the vegetable freshness is kept, and the vegetable transpiration effect is effectively controlled.

The present invention relates to a bonding filling material and a method for carrying out downhole filling using the same, wherein the said gangue bonding filling material comprises: 68.6-82.2% by weight of gangue; 12.7-21.8% by weight of coal ash; and 1-18.7% by weight of water. Pressure intensity of the rammer compacter for filling and compacting in filling the bonding filling material is more than or equal to 20 Mpa. According to the invention, filling effect and filling quality are improved, and the movement of the overlying strata can be effectively controlled. The bonding filling material is filled directly without any additives, and the bonding property of the bonding filling material is increased due to the addition of coal ash as one filling material. The conveying system in the invention has simple requirements and enables continuity and high effectiveness of the filling. Downhole treatment of gangue and coal ash is fulfilled, and ecological and living environment around mining area are improved.

The invention relates to an air conditioning system which comprises a dehumidifier, a second fresh air and return air mixing mechanism and a second surface cooling mechanism. The dehumidifier comprises a first fresh air and return air mixing mechanism, a first surface cooling mechanism and an air outlet mechanism which are sequentially arranged in the air direction. Refrigeration fluid in a refrigeration pipeline sequentially flows through the first surface cooling mechanism and the second surface cooling mechanism, that is, the refrigeration fluid firstly flows into the first surface coolingmechanism for dehumidification treatment, the temperature of the refrigeration fluid is increased, the refrigeration fluid flows out from the first surface cooling mechanism and then flows into the second surface cooling mechanism, and therefore the temperature of the refrigeration fluid entering the second surface cooling mechanism can be increased. The refrigeration fluid with the temperature increased to a certain degree is utilized for cooling treatment on air in the second surface cooling mechanism, and therefore temperature and humidity independent control of the full air conditioning system can be achieved through a single cold source. The air conditioning system is simple in structure, and the quantity of related equipment is small.

The invention relates to the field of research of pellet mine manufacturing techniques of the iron and steel metallurgy industry, in particular to an iron mine pellet raw material preparation method facilitating efficient pelletizing. The method includes the steps that whether iron concentrate fines are coarse materials or fines is judged, if the iron concentrate fines are the coarse materials, the iron concentrate fines are subjected to wet grinding after pre-dosing; the iron concentrate fines are dried and smashed by a high pressure rolling mill; the iron concentrate fines after smashing aremixed with bentonite and the like to obtain a pellet mixture through intensive mixing; the pellet mixture enters a pelletizer to be subjected to pelletizing to obtain pelletizing green-balls; and thewater content of the pelletizing mixture before entering the pelletizer and the water content of the pelletizing green-balls are separately detected, the pelletizing mixture before entering the pelletizer is automatically regulated and intensively mixed with water, and the pelletizing mixture water content range is controlled below 0.3%-0.5% of the green-ball suitable water content. According tothe iron mine pellet raw material preparation method facilitating efficient pelletizing, the technical problem that the water content of production raw materials is difficult to control in the preparation process is solved, and the strength and the production efficiency of pelletizing green-balls are improved.

The invention discloses a rainwater radial flow inverted bioretention purifier and a method thereof. The rainwater radial flow inverted bioretention purifier comprises an adjustment and storage layer, a filler layer, a plantation layer and a drainage layer, the adjustment and storage layer comprises an overflow pipe which is vertically inserted and arranged in the filler layer and the plantation layer, the upper end of the overflow pipe is lower than the adjacent hardening lower padding surface by at least 5 cm, the upper end of the overflow pipe is lower than is higher than the surface of the filler layer by at least 10 cm, a perforating water collecting pipe for immersing outflow is buried at the central part of the drainage layer, the water outlet levels with the upper surface of the drainage layer, and is communicated with a city rainwater pipeline; the pollutants in the rainwater can be removed by the filler layer and the plantation layer, and the perforating water collecting pipe arranged in the adjustment and storage layer as well as the drainage layer can realize the rainwater retention. By employing the adjustment and storage layer, the filler layer, the plantation layer and the drainage layer, radial flow rainwater can be adjusted and stored, the purifier can effectively prevent water and soil loss of the plantation layer, replacing and maintenance management of the filler layer are convenient, the structural design is reasonable, production is simple, cost is low, retention purifying effect is good, and the application prospect is wide.

The invention discloses an intelligent drying method and system. The method comprises the steps that 1, according to the quality requirement of a dried material, an instruction for meeting the temperature requirement or the humidity requirement preferably is set for a drying machine, whether moisture exhausting, or / and humidifying, or / and dehumidifying is / are allowed or not is set, and the targettemperature and the target humidity of the dried material are set; 2, the real-time temperature and the real-time humidity inside and outside a drying house are detected; 3, the dew point temperatureis calculated according to the real-time temperature and the real-time humidity in the drying house, and the rotating speed of a first fan in the drying machine is controlled; and 4, the size humidityis calculated according to the real-time temperature and the real-time humidity, and moisture exhausting or humidifying is executed according to the comparison result of the size humidity in the drying house and the size humidity outside the drying house. According to the drying method, the drying temperature and humidity during different drying stages or of different dried materials can be adjusted intelligently, and thus the intelligent drying method can effectively ensure the drying quality of the dried material. Correspondingly, the drying system is simple in structure and convenient to control.

The invention discloses an automatic manufacturing and maintaining device for a rock test piece. The device is characterized by comprising a test piece box, a moistening box, a mold, a stirring barrel, a stirring blade, a stirring rod, a motor (stirring), a servo motor, a vertical column, a cross beam, a screw rod, a polishing rod, a nut, a hydraulic cylinder, an arc-shaped clamp, a hydraulic press head, a connecting rod (stirring), a hydraulic pump, a connecting rod (hydraulic pump), an oil pipe (1), an oil pipe (2), a motor (workbench), a rack, a workbench, a humidity controller, a mold base, a humidity sensor, a mold, a control panel, a spray nozzle and a mold bracket which are connected with each other. The automatic stirring and automatic unloading of the rock-similar test piece can be realized; the model material can be automatically compressed; the automatic manufacturing for the rock test piece can be realized; the model test piece is maintained under the same humidity, so that the uniform of the maintaining humidity can be guaranteed and the accuracy of the test piece manufacturing can be further guaranteed.

The invention discloses a heat pump fresh air system and a control method thereof. The heat pump fresh air system comprises a shell, a heat pump system, an outdoor fresh air introduction system, an indoor air exhaust system and a control system, wherein the shell is divided into two channels by an intermediate partition plate with a third air valve, the outdoor fresh air introduction system is arranged in the outdoor fresh air circulating channel, the indoor air exhaust system is arranged in the indoor air exhaust channel, one part of the heat pump system is arranged in the indoor air exhaustchannel, and the other part of the heat pump system is arranged in the outdoor fresh air circulating channel. The heat pump fresh air system and the control method thereof have the benefits that (1) dehumidification and heat recovery are achieved based on the heat pump principle, the heat pump system can operate in five modes including refrigeration, heating, combination of dehumidification and non-heat recovery, combination of dehumidification and recovery of part of heat, and combination of dehumidification and recovery of all heat under control of the control system, and heat recovery of the whole year and fresh air dehumidification under the high-humidity condition are achieved; and (2) the heat recovery efficiency is high and air resistance is low.

The invention relates to a humidifier for a standard curing room. The humidifier for the standard curing room comprises a water channel, a high-frequency ultrasonic generator, a water pump with a filter, a fan, a channel cover and a fog outflow guiding barrel; the water pump with the filter is installed on the external channel wall of the water channel through an installing frame; a water inflow pipe is installed at the position of a water inlet of the water pump with the filter; a water outlet of the water pump with the filter is connected with one end of a water outflow pipe; the other end of the water outflow pipe is connected with the interior of the water channel; the fan is further installed on the external channel wall of the water channel and feeds air into the water channel through an air inflow hole made in the channel wall; the high-frequency ultrasonic generator is arranged in the water channel; the channel cover is arranged on the water channel in a covering manner; a fog outlet is formed in the upper end face of the channel cover; and the position of the fog outlet is provided with the fog outflow guiding barrel. The humidifier for the standard curing room is scientific and reasonable in structural design and has the beneficial effects that no damage is caused to concrete test blocks, water accumulation is not prone to occurrence, water resources are saved, the curing cost is reduced, and achievement is easy.

The invention relates to a two-channel return air air-conditioning case. The two-channel return air air-conditioning case comprises a return fan section, an air exhaust section, a fresh return air mixing section, a filter section A, a surface cooling section, a heating section, a humidifying section, a forced draft fan section, a filter section B and a control air valve. A return air port is formed above the return fan section, the return fan section is connected with the air exhaust section, an air exhaust port is formed above the air exhaust section, the upper section the air exhaust section is connected with the fresh return air mixing section, a fresh air port is formed above the fresh return air mixing section, the fresh return air mixing section is connected with the filter section A, the filter section A is connected with the surface cooling section, a chilled water connector is arranged above the surface cooling section,, and the surface cooling section is connected with the heating section. The lower section of the air exhaust section is connected with the filter section B through a partition pipe, the filter section B is connected with the control air valve, and the control air valve is connected with the heating section. The heating section is connected with the humidifying section, and the humidifying section is connected with the forced draft fan section. The two-channel return air air-conditioning case improves the energy-saving potential of an air-conditioning system and meets the energy-saving and emission-reducing requirements.

The invention discloses a piezoelectric driving type ultrasonic water-mist humidifying-cooling dust remover. The dust remover is characterized by comprising a body, wherein a water storage tank is arranged at a left part in the body, a sealed atomizing chamber is arranged at a right upper part in the body, and a cavity chamber for mounting parts is arranged between the water storage tank and the atomizing chamber; the bottom of the water storage tank is communicated with the bottom of the atomizing chamber through a pipeline, an electromagnetic water valve and a water pump are mounted on the pipeline, an atomizing driving device is mounted at the bottom in the atomizing chamber, a mist outlet is formed in the top of the atomizing chamber, an air pump and a control circuit are mounted in the cavity chamber, and an air outlet pipeline of the air pump is communicated with the upper half part of the atomizing chamber; and the air pump, the electromagnetic water valve, the water pump and the atomizing driving device are connected with an inlet end of the control circuit, and an adjusting knob for regulating the vibration strength of the atomizing driving device is electrically connected to an output end of the control circuit. The piezoelectric driving type ultrasonic water-mist humidifying-cooling dust remover is of a compact structure and high in humidifying-cooling dust removal efficiency and can be used in different working regions.

The invention discloses a fully-closed intelligent electric control cabinet cooling system, which comprises a compressor, a condensation heat recovery adjustment valve, a heat recovery coil, an electric valve, a condensation coil, a condensation fan, a dry filter, a throttle valve, an evaporation coil, a baffle board, an electric heater, a circulating fan and a case. The cooling capacity for cooling each electronic and electric module inside the electric control cabinet is from the refrigerating capacity generated by a vapor compression refrigeration system at the evaporation coil, a constant dew point temperature mode enables the temperature and the humidity of the circulating cooling air to be controlled precisely, and due to the condensation heat recovery design, the cooling system is energy-saving and environmental friendly. The defects that the cooling mode of the cooling fan is largely influenced by interference of the surrounding air environment, and only insufficient cooling effects can be provided can be overcome.

The invention discloses a self-cleaning wet type electrostatic precipitation demister capable of working continuously. The electrostatic precipitation demister comprises discharge electrodes, fixed anodes, an atomizing device, a first water spraying washing device and a second water spraying washing device, wherein the first water spraying washing device is installed at the upper parts of the discharge electrodes, the second water spraying washing device is installed at two sides of the fixed anodes, the atomizing device is installed at a smoke inlet and is used for guaranteeing the humidity of smoke, and the water spraying washing devices enable a washing area to be powered off temporarily and a non-washing area to be powered normally for work according to the control sequence of an automatic program. The electrostatic precipitation demister can remove extra over 90% of dust (containing fine particulate matters), gypsum rain and acidic materials in the smoke without improving an existing deduster and desulfurizer, and can remove part of heavy metals in the smoke, the processed smoke satisfies the newest national environment protection standards, the requirement of a chimney on anticorrosion is lowered, a GGH(gas-gas heater) is omitted, and water, electricity and capitals are saved.

The invention discloses an air conditioning system and a dehumidification control method and device thereof. The air conditioning system comprises an indoor unit and an outdoor unit. The indoor unit comprises an electric auxiliary heater and an indoor fan. The method comprises the following steps that whether the air conditioning system meets the dehumidification condition or not is judged; if the air conditioning system meets the dehumidification condition, the air conditioning system is controlled to be in refrigeration operation, the current indoor environment temperature is acquired, and whether the current indoor environment temperature is smaller than first preset temperature or not is judged; and if the current indoor environment temperature is smaller than the first preset temperature, the electric auxiliary heater is controlled to be in a starting state so as to balance temperature reducing during refrigeration operation of the air conditioning system. Therefore, it is guaranteed that in the dehumidification process, the room temperature is reduced slowly or the temperature is not reduced, the requirements of a user for the temperature and humidity are met, and meanwhile the aim of energy saving is achieved; and the structure is simple, and cost is low.

A device for humidifying and removing static electricity, comprising a cotton conveying pipe, an upper cotton storage box, a lower cotton storage box and its air outlet of the upper cotton box, an air outlet of the lower cotton storage box, a dust exhaust duct, a fan, a pressure sensor and pressure parameter adjustment Device, humidifier and its PLC controller, A / D converter, ultrasonic generator and humidity sensor, the airflow in the cotton delivery pipe sends the fiber into the upper cotton storage box, and after being processed by the cotton feeding roller and the opening beater, it arrives The cotton feeding roller and the cotton feeding roller of the carding machine, the suction effect of the fan will remove the impurities and dust in the fibers at the air outlet of the upper and lower cotton storage boxes from the dust exhaust duct, and the air duct pressure of the lower storage box is determined by Pressure sensor measurement and pressure parameter adjustment device control, the humidifier controls the ultrasonic wave after comparing the fiber humidity value at the air outlet of the lower storage box measured by the humidity sensor with the set value by the PLC controller through the A / D converter. The generator humidifies the airflow to ensure fiber humidity and improves carded fiber sliver quality.

The invention discloses an improved variety breeding method of green-eggshell chicken, wherein the method comprises mating, selecting eggs, naturally pre-heating in a hatching house and arranging a hatching machine sensor; after hatching from the first day to the twentieth day, the eggs should be turned over at every two hours and the turned angle is 90 degree so as to make each part of the embryo be heated uniformly and avoid the embryo stick to the shell; after hatching, at the seventh say, shell less eggs and addle eggs are elected out through lighting; after hatching to the eighteenth day, living breed eggs should be placed on a disc; at the twentieth day, the breed eggs begin to give berth to young chicken and finish at the twenty-first day; and after the young chicken coming out of the eggshells, the young chickens should be selected out every two hours. According to the invention, each process from selecting eggs to hatching is effectively controlled; part of bad quality eggs can be prevented from hatching by the selection of eggs at the first step, so the continuation of good quality green-eggshell chicken is ensured; at the same time, the hatching process is effectively controlled and the humidity requirement of the breed eggs during the hatching process is satisfied, thus the hatching rate of the green-shell eggs are improved and the hatched young chicken are healthy.

The invention relates to a black fungus cultivating method in a plastic greenhouse, and the black fungus cultivating method in the plastic greenhouse is small in early-period investment, free of additional facilities and capable of making full use of light, heat, water and air. The black fungus cultivating method in the plastic greenhouse comprises the following steps that (1) the plastic greenhouse is disinfected before vegetables are planted and / or black fungi are sown; (2) fine strains resistant to trichoderma viride and trichoderma koningii are selected to be subjected to substitute cultivation through plastic bags, and mutually independent arch sheds are additionally built on lines where the black fungi are intercropped; (3) the selected strains are inoculated into the plastic bags filled with prepared materials in an inoculation box, then the plastic bags are moved and stacked in the arch sheds, and the top end of each plastic bag is 20-30 cm away from the top of the corresponding arch shed; (4) the temperature inside the plastic greenhouse is controlled to be 23-27 DEG C, shed materials on the two sides of each arch shed are coiled up, and after the bags are full of hyphae, five to ten holes are evenly formed in each bag with a blade; (5) after auricles of the black fungi are unfolded, the roots are cut flat with a knife, and the black fungi are harvested every ten days.

The invention provides a coal slime indirect drying system. The coal slime indirect drying system comprises a first conveyor, a blender mixer, a feeding machine, a dryer and a second conveyor. The output end of the first conveyor is connected with the first input end of the blender mixer. The output end of the blender mixer is connected with the feeding end of the dryer through the feeding machine. The discharging end of the dryer is connected with the input end of the second conveyor. The first output end of the second conveyor is connected with the second input end of the blender mixer. Thesecond output end of the blender mixer is used for outputting dried coal slime. The blender mixer is used for mixing the coal slime provided by the first conveyor and the second conveyor and conveyingthe coal slime to the dryer through the feeding machine. The dryer can make the coal slime slowly overturn, and meanwhile, the coal slime is heated and dried indirectly by using steam. By means of the coal slime indirect drying system, the environmental pollution in the drying process can be reduced, the drying efficiency is improved, and the energy consumption is reduced.

The invention discloses a storage battery electrode plate curing system and method. The system comprises a curing chamber and a control module for heating the curing chamber; the curing chamber is provided with an airtight door, an air blower for supplying air into the curing chamber and an air extractor for extracting air from the curing chamber are arranged outside the curing chamber, an air circulating module for driving air in the curing chamber to flow is arranged in the curing chamber, the side wall and the top of the curing chamber are each provided with a plurality of water absorptionsponges, and spraying modules are arranged on the portions, outside the water absorption sponges, of the curing chamber. The purpose of providing the storage battery electrode plate curing system andmethod which can improve the plate curing effect and shortening the plate curing time is achieved.

The invention relates to a multi-condenser and double-return-air bypass dehumidification fresh air unit and an air conditioning method. The multi-condenser and double-return-air bypass dehumidification fresh air unit comprises an air feed channel and an exhaust channel. A first heat exchanger and an air feeder are sequentially arranged at the position of the air feed channel. A second heat exchanger and an exhaust fan are sequentially arranged at the position of the exhaust channel. The second heat exchanger is connected with an auxiliary heat exchanger. A first return air bypass valve and a second return air bypass valve are arranged between the air feed channel and the exhaust channel. According to the multi-condenser and double-return-air bypass dehumidification fresh air unit, during refrigerating, the second heat exchanger serves as a condenser, a refrigerant is condensed through the indoor low-temperature exhaust air, the condensation temperature of the unit is reduced, and reheating is conducted through mixing of bypass return air and low-temperature fed air on the air feed side so that cooling capacity losses caused by cold and heat offset can be avoided; in a heating inner circulation mode, an outdoor unit can be started to rapidly increase the indoor environment temperature; and in an outer circulation mode, the second heat exchanger serves as an evaporator, the refrigerant is made to be evaporated through the heat of indoor exhaust air, the evaporation pressure and the heating capacity of the unit are increased, the power consumption of the unit is reduced, and the frosting risk of the unit is avoided.

The invention discloses a dual condensation energy-saving independent combined-type temperature and humidity adjusting air conditioning box which comprises an air conditioning box body and an air conditioner arranged on the air conditioning box body. The air conditioner is internally provided with an evaporator, an internal condenser, an external condenser and a compressor, the evaporator and the internal condenser are located inside the air conditioning box body, and the external condenser and the compressor are located outside the air conditioning box body. According to the dual condensation energy-saving independent combined-type temperature and humidity adjusting air conditioning box, the temperature and humidity required by the end environment can be independently adjusted, the defect that at present, the comfortable temperature and humidity required by the end environment cannot be met at the same time is overcome, the electric energy consumption can be reduced, the heating sections are not needed any longer, the working procedures can be reduced, and the control strategy is optimized.

The invention relates to a phase temperature refrigerator. The phase temperature refrigerator comprises a refrigerator body, wherein a device chamber is formed in the lower part of the refrigerator body; a functional chamber is formed in the upper part of the device chamber; a humidification device, a preservative device and a refrigeration device are arranged in the device chamber; the humidification device and the preservative device are respectively connected with function areas in the functional chamber to complete adjustment and supplement of corresponding functions; four storage chambers are successively formed in the upper part of the functional chamber; the temperatures of the four storage chambers are 14 DEG C, 8 DEG C, 4 DEG C and 0 DEG C successively from top to bottom. The phase temperature refrigerator provided by the invention is capable of adjusting the humidity and the temperature; the humidity in each chamber can be respectively adjusted; the requirements on humidity of different vegetables can be met; the weight loss of the vegetables can be delayed; the freshness of the vegetables is retained; the transpiration of the vegetables can be effectively controlled.

The invention discloses a multi-functional replaceable tuyere which comprises a cylindrical shell, an air outlet is arranged on the shell, and the inside of the shell is provided with a cylindrical flow-equalizing pipe; and the multi-functional replaceable tuyere is characterized in that the middle part of the flow-equalizing pipe is communicated with an air-conditioning blast tube, a first valve is arranged above a joint of the flow-equalizing pipe and the air-conditioning blast tube, and a second valve is arranged below the joint of the flow-equalizing pipe and the air-conditioning blast tube, a dehumidifier is arranged above the first valve, and a humidifier is arranged below the second valve. The multi-functional replaceable tuyere has the advantages of simple structure, wide application range, and capability of meeting the requirements on humidity.