65results about How to "Uniform temperature and humidity" patented technology

The present invention provides a sauna device which can obtain the uniform temperature and humidity. The sauna device includes: a heating air supply part (36), which transfers the air which is heated by a heating part (12) to heat the air; a humidifying part (11); a humidifying air supply part (25), which transfers the air which is humidified by the humidifying part (11); a suction inlet (22); and an exhaust outlet (23), wherein, the confluence of the heated air from the heating air supply part (36) and the humidified air from the humidifying air supply part (25) is in front of the exhaust outlet (23), and then the air after the heating and humidifying is exhausted from the exhaust outlet (23), so the present invention can get the sauna device which can obtain the uniform temperature and humidity.

The invention discloses a multifunctional healthy and intelligent clothes nursing machine, which comprises a heat preservation cabinet body, wherein a clothes nursing cavity is arranged inside the heat preservation cabinet body, a drying and nursing component is arranged in the clothes nursing cavity, a clothes hanging rod is arranged on the top part, the clothes nursing cavity is internally provided with a sterilization and disinfection component, a perfume component and a heating component, wherein a net fence is arranged at the bottom of the clothes nursing cavity; compared with a prior clothes ironing mode or an ironing machine, the clothes nursing machine is more efficient, safe, quick and convenient, and has the functions of sterilization and disinfection, health perfuming function and air purification function. The bacteria and viruses on the clothes can be killed in all directions without a dead angle. The foreign taste can be effectively removed, the clothes can be added withperfume, air purification can be carried out on a clothes cabinet and a room, formaldehyde, benzene, PM2.5, second-hand smoke and dust can be removed, the problems in the prior are solved, a multifunctional and multi-purpose novel modern electric product is provided.

The invention discloses a constant temperature-constant humidity laboratory, which belongs to the field of laboratories. A workshop, an equipment room, an air feeding bin and an air mixing bin are arranged in the laboratory, the top of the workshop is provided with a porous plate suspended ceiling, an air feeding pipe is arranged in the air feeding bin, a fresh air hole introduces fresh air into the air mixing bin by a fresh air pipeline, an air conditioner unit is arranged in the equipment room, the lower part of the air mixing bin is connected to the air conditioner unit, the air conditioner unit is connected to the air feeding pipe by an air conditioner auxiliary electric heater, a plenum chamber and a humidifier, air returning upright columns are arranged in the workshop, the lower parts of the air returning upright columns are provided with air returning holes, and the air returning upright columns are connected to the air mixing bin by air returning pipelines. The constant temperature-constant humidity laboratory also comprises an intelligent control system having a PLC. Compared with the prior art, the constant temperature-constant humidity laboratory has the characteristics of high airflow circulation strength, stable wind speed, uniform temperature and humidity, no dust accumulation, good stability, capability of meeting a fresh air volume demand of workers, high disturbance resistance, high control precision and direct and visible temperature and humidity changes in the laboratory.

The invention discloses a constant temperature and humidity system which comprises a constant temperature and humidity chamber, a controller, temperature sensors, humidity sensors, a heating device, a cooling device and an air flow mixing device, wherein the temperature sensors and the humidity sensors are arranged on all side walls of the constant temperature and humidity chamber; the temperature sensors and the humidity sensors detect information of the temperature and humidity in the temperature and humidity chamber in a real-time manner, and sending the detected information to the controller; the controller processes the information sent from the temperature sensors and the humidity sensors, and controls the running of the heating device, the cooling device and the air flow mixing device according to the processing result. The constant temperature and humidity system has the advantages that the air flow mixing device is added, and the controller can regulate the running of the heating device and the cooling device according the internal information detected by the temperature sensors and the humidity sensors. Therefore, when detecting non-uniform temperature or humidity, the controller can effectively controls the running of the air flow mixing device, so as to ensure uniform temperature and humidity in the constant temperature and humidity chamber as soon as possible.

The invention relates to a continuous automatic drying solidification device. The continuous automatic drying solidification device comprises a solidification room and heat exchange systems. Each heat exchange system comprises a humidification heater and an air draft unit. At least two sets of horizontal conveying units arranged in a layered mode from top to bottom are arranged in the solidification room. A partition plate is fixedly arranged at the bottom of each layer of conveying unit. Independent solidification chambers are formed by closed spaces between the partition plate on the first layer and the top of the solidification room, between two adjacent partition plates and between the partition plate on the tail layer and the bottom of the solidification chamber. An air inflow channel and an air outlet channel communicated with each solidification chamber are formed between a first outer shield plate and a second outer shield plate and the two side walls of the solidification chamber, wherein the first outer shield plate and the second outer shield plate are arranged on the outer portions of the two side walls of the solidification chamber respectively. Each solidification chamber is provided with one independent heat exchange system. A flow guide mechanism is arranged in each air inflow channel. The independent solidification chambers are formed in the solidification room, different products can be operated at the same time, the product placement intensity is high, the heat utilization rate is high, and temperature and humidity fields in the solidification chambers are stable.

The invention relates to an egg hatching tray, which belongs to the technical field of the livestock raising. The hatching tray of the invention is provided with a plurality of egg position holes. The egg position holes are arrayed in an interlacing mode. Vent holes are arranged between every two adjacent rows of the egg position holes. Lugs are uniformly arranged in the egg position holes along the peripheries of the egg position holes. As the egg position holes of the egg hatching tray are arrayed in an interlacing mode and the vent holes are formed between every two adjacent rows of the egg position holes, the ventilation is good and the temperature and the humidity are more uniform. The insides of the egg position holes are provided with bulges and each egg position hole and the corresponding egg are in point contact, thus, when the hatching eggs are arranged firmly, the gaps among the gaps are enlarged, the ventilation rate among the hatching eggs is increased, the heat in the hatching house can be sufficiently diffused, the temperature and the humidity among the hatching eggs are more uniform, the temperature difference is not over 0.1 percent, the egg hatching time is concentrated, the phenomenons of dehydration and bad absorption do not occur to the chicks, the hatching rate and the health chick rate are obviously improved and the survival rate is improved from about 90 percent originally to about 98 percent.

The invention relates to an air conditioner automatic-control method for improving the cigarette factory high rack storage temperature and humidity uniformity. The air conditioner automatic-control method is formed by a summer mode and a winter mode, and includes the steps of (1) arranging sensors to automatically detect the supply air temperature T<supply> and the high rack storage practical temperature T<aver>, wherein when the supply air temperature T<supply> is higher than the high rack storage practical temperature T<aver>, the air conditioner automatic-control method is in the winter mode, otherwise, the air conditioner automatic-control method is in the summer mode, and the relation between the air conditioning system load rate y<1> and the supply air volume x is y<1> = -0.1*x+1.1; and (2) arranging sensors to respectively detect the supply air volume of an upper-layer air pipe and the supply air volume of a lower-layer air pipe, and controlling the supply air volume of the upper-layer air pipe and the supply air volume of the lower-layer air pipe according to the relations between the upper-and-lower layer supply air proportions and the load rates in different seasons. According to the scheme of the air conditioner automatic-control method for improving the cigarette factory high rack storage temperature and humidity uniformity, the aims that the storage temperature and the storage humidity meet the design requirements, and the temperature and the humidity of the upper layer and the lower layer of a storage area are uniform are achieved; on the basis, the storage ventilation rate is reduced, and air supplying energy consumption of an air conditioner is reduced.

The invention relates to far infrared tobacco baking equipment. In the equipment, a closed rectangular hexahedron consists of a lateral surface 26, a top surface 10, a bottom surface 4, an openable and closable end face 9 and a fixed end face 25; air windows 1 are arranged on the lateral surfaces 26 and 27 below the top surface 10; two airflow positive pressure pipes 6 are arranged on inner sides of two horizontal edges formed by the bottom surface 4 and the lateral surfaces 26 and 27; a plurality of air outlet holes 5 of which the diameter is 30 millimeters are formed on one side of each pipe wall; the two airflow positive pressure pipes and airflow converge at one end of the fixed end face 25 to form a positive pressure air outlet pipe 20 which is connected with an air outlet of an external fan 3 of the equipment; two airflow negative pipes 11 are arranged on inner sides of two horizontal edges formed by the top surface 10 and the lateral surfaces 26 and 27 of space inside the far infrared tobacco baking equipment; a plurality of air inlet holes 12 of which the diameter is 30 millimeters are formed on one side of each pipe wall; the two airflow negative pipes 11 and the airflow converge at one end of the fixed end face 25 to form a negative pressure air return pipe 15 which is connected with an air inlet of the external fan 3 of the equipment; and far infrared heating soft plates 7 are lined on the two lateral surfaces 26 and 27 and the bottom surface 4, and other far infrared heating soft plates are rolled on far infrared heating soft plate rolling shafts 13.

The invention provides an air disturbance system for a large space. The air disturbance system comprises temperature and humidity sensors, a centralized controller and disturbance devices; the temperature and humidity sensors are used for measuring the indoor temperature and humidity and uploading data to the centralized controller to be displayed; the centralized controller is linked with the disturbance devices in a plurality of monitoring areas to be used for displaying the temperature and humidity in the multiple monitoring areas in real time, and running commands are sent to the disturbance devices nearby the temperature and humidity sensors with supercooling or overheating measured values by comparing and analyzing the temperature and humidity data collected by the temperature and humidity sensors in all monitoring areas; and the disturbance devices run according to the running commands sent by the centralized controller. The invention also provides a control method for the air disturbance system for the large space. The air disturbance system improves the uniformity of air temperature and humidity in an air-conditioned room with the high space and improves the air quality; and various construction demands are met, the construction period is short, control is simple, and influences on normal operation are small.

The invention relates to a high pressure cultivation system, in particular to the high pressure cultivation system keeping an atmospheric pressure environment higher than the standard atmospheric pressure in a cultivation chamber and having a certain amount of air circulation quantity. The system comprises an airtight cultivation chamber which is communicated with a high pressure air source through an air inlet duct; and an air flow controller and an air valve are arranged between the high pressure air source and the air inlet duct. The cultivation chamber is also communicated with a plurality of pressure control pipes through an air outlet duct; the liquid for controlling the atmospheric pressure inside the cultivation chamber is injected in the pressure control pipes; and the level altitude of the injected liquid in the pressure control pipes is lower than that of the air outlet duct. The system can not only keep the constant atmospheric pressure higher than the standard atmospheric pressure inside the cultivation chamber, but also make the air in the cultivation chamber circulate continuously in a constant flow quantity and control the direction of the air flow in the cultivation chamber.

The invention discloses a high-yield melon grafting seedling raising method which comprises the following steps: preparation of a seedling raising substrate: spreading 40-50kg of organic nutrient fertilizer in every plot; seed treatment: soaking seeds with a copper sulfate solution, chitooligosaccharide, diethyl aminoethyl hexanoate, magnetized water, tea saponin, mushroom protein polysaccharides and Amobam; grafting: chamfering a rootstock caudex part into an inverted-V-shaped structure, inserting a tongue-shaped wedge into the cut of the rootstock, and performing fixing by using a grafting clamp; and grafted seedling treatment: immersing the grafted seedling in a mixed solution which is prepared by mixing a 17% fungicide Junchongqing solution and a 15% paclobutrazol solution and adding water for dilution, and meanwhile, performing fumigating treatment. By using the method, the nutrient and water supply to the substrate are balanced, the seedling rate reaches 90% or above, the seedling rate of the grafted seedling subjected to healing and rooting period management is enhanced by 10% or above, and the survival rate of grafting after top cuttage grafting is high. The method is suitable for intensive seedling raising, has excellent insecticidal and detoxification effects through the fumigating chemical treatment-physical treatment combined treatment process, effectively enhances the survival rate and disease resistance of the grafted seedling, and is suitable for wide popularization.

The invention relates to an intelligent light control and ventilation device of a locked seedling raising platform. The device comprises a framework type mechanical platform, a distributed multi-channel data acquisition system, an intelligent control system, a machine vision system, an intelligent light control system and an electric assistance system. The device is formed by building light aluminum alloy and angle steel. Power serves as drive energy. The lighting requirement of the seedling raising platform is met through a light control system. Light, temperature, humidity, CO2 concentration and other environment factor data are acquired in real time through a distributed multi-sense sensor and a Zigbee wireless data transmission module. Seedling growth vision information is integrated, seedling growth conditions are analyzed, an internet-of-things platform based on a 89C51 master control system and the GSM technology is built, the intelligent light control system and the ventilation system are driven to execute corresponding actions, and self-adaptation regulation of the seedling growth environment is achieved. The device can be applied to locked three-dimensional industrial seedling raising, and seeding raising quality and efficiency can be improved.

The invention discloses an intelligent silkworm room. The intelligent silkworm room comprises a silkworm room body, silkworm frames and an environment control device. A water tank and an evaporator are arranged in a machine enclosure of the environment control device, the water tank is provided with an ultrasonic atomization transducer and a semiconductor chilling plate, and the evaporator is communicated with the water tank. A draught fan and a heater are arranged on the front side of the evaporator; an air outlet is formed in the portion, on the front side of the evaporator, of the machine enclosure; an air inlet is formed in the portion, on the back side of the evaporator, of the machine enclosure; a heat dissipation outlet facing the semiconductor chilling plate is formed in the machine enclosure; a heat dissipation air channel facing the heat dissipation outlet and an air inlet channel facing the air inlet are formed in the silkworm room body; stretchable humidifying pipes communicated with the water tank are supported on the left side and the right side of the machine enclosure in a swinging manner, and silkworm medicine vibration dispensers are connected to the front ends ofthe humidifying pipes; the machine enclosure is movably supported on a machine base through guiding rods and a lifting driving device, the machine base is movably supported on two guiding rails, power-supplying bus bars are arranged on the two guiding rails, and an intelligent control device is arranged in the machine base. By means of the intelligent silkworm room, it can be guaranteed that airin the silkworm room is fresh, temperature and humidity are even, and silkworm medicine is automatically and evenly dispensed.

The invention discloses a whole automobile / plate environment test cabin for an automobile and a humidity control method for the test cabin. The whole automobile / plate environment test cabin comprises an experiment cabin body, one or more groups of fresh air devices connected with the experiment cabin body and a filtering device connected with the fresh air device, wherein the experiment cabin body comprises a test cabin body and a heat preservation box body arranged outside the test cabin body; a static pressure cabin including a plurality of air supply ducts which are arranged side by side is arranged at the top of the test cabin body; an air supply hole plate with air supply holes is arranged at the lower part of each air supply duct; an air supply fan for supplying air to the test cabin body is arranged in each air supply duct; each group of the fresh air device comprises a fresh air treatment tank and an ultrasonic atomizer; a spraying device is arranged at the upper part in each fresh air treatment tank, and a condenser and a heating pipe are arranged at the lower part in each fresh air treatment tank; the tanks are filled with distilled water; circulating water pumps connected with the spraying devices are arranged outside the fresh air treatment tanks; the humidity is controlled by fresh air humidity control and ultrasonic atomization and humidification modes. The whole automobile / plate environment test cabin can meet the requirements for different fresh air amounts under different experiment conditions and effectively control the humidity.

The invention relates to a temperature control and condensation prevention system for a high-voltage electrical cabinet, in particular to a temperature control, humidity control and condensation prevention technology for the high-voltage electrical cabinet in a high-voltage electrical room provided with an air conditioner. The electrical room is provided with a cable duct and comprises an air ductfor connecting the electrical room and the cable duct, wherein a fan for supplying air to the cable duct and a heating device for heating the air supplied by the fan are arranged in the air duct; andthe fan and the heating device are controlled by an intelligent control system, and the intelligent control system is connected with a temperature and humidity sensor. According to the temperature control and condensation prevention system for the high-voltage electrical cabinet, on the basis that a cooling function of the air conditioner is reserved, moisture in the cable duct is removed by supplying the air into the cable duct, the moisture in the duct is prevented from entering the high-voltage electrical cabinet through a gap between an inlet cable plugging opening and an outlet cable plugging opening, and meanwhile the purpose of temperature and humidity balance of the cable duct and the electrical room is achieved.

The invention discloses a water-retention and temperature-control grain storage method. According to the method, on the basis of a storehouse with good thermal insulation and air tightness, ecological systems of grain piles with higher moisture content are kept stable under the temperature control condition of outside drying and inside moisture maintaining, cooling in water and circular cold supplement and temperature equilibrium in summer by use of ventilation and circulation systems equipped in the storehouse, thus, grain storage safety, mold inhibition and moisture loss reduction are guaranteed.

The invention relates to a natural light utilization type plant cultivation box which comprises a cultivation box body internally provided with cultivation plants, the cultivation box body is further provided with an illuminance control mechanism for adjusting the growth environment of the cultivation plants, a temperature control mechanism and a humidity control mechanism (15), a transparent frame structure capable of utilizing natural illuminance is adopted for the cultivation box body, the illuminance control mechanism comprises an auxiliary lighting assembly arranged on the cultivation box body and an illuminance intensity sensor inside the cultivation box body, and the illuminance control mechanism, the temperature control mechanism and the humidity control mechanism (15) are connected with an external control system respectively. Compared with the prior art, the natural light utilization type plant cultivation box has the advantages of being high in natural light utilization rate, high in artificial light supplementation efficiency, capable of precisely and conveniently controlling such growth environments as illuminance, the temperature and the humidity of the cultivation plants and the like.

The invention discloses a green and energy-saving method for promoting healing of mechanical injury wounds of sweet potatoes. The method comprises the following steps of S1, performing selecting: manually selecting sweet potatoes with mechanical injury; S2, loading the sweet potatoes into a basket: loading the selected sweet potatoes into a turnover basket; S3, performing warehousing: firstly laying an isolation layer on the ground of a storage warehouse, and then performing stacking on the turnover baskets filled with the sweet potatoes on the isolation layer from inside to outside and from bottom to top; S4, performing temperature and humidity management, wherein in the healing period, the temperature in the storage warehouse is maintained at 24-27 DEG C, and the relative humidity is maintained at 85-90%; and S5, performing storage management: after the healing period is ended, reducing the temperature in the storage warehouse to 12 DEG C, and performing conventional storage. According to the green and energy-saving method for promoting healing of the mechanical damage wounds of the sweet potatoes, on the basis of reducing energy consumption and being not suitable for chemical agents, the situation that the sweet potatoes are rotten in the storage and fresh-keeping process is reduced, and the storage safety and the eating safety of the sweet potatoes are guaranteed.

The invention relates to a morchella greenhouse planting method, and belongs to the technical field of edible fungus cultivation. The method comprises the steps that a heat-insulating and soaking typemorchella planting greenhouse is constructed, three levels of bacteria, namely, mother species, original species and cultivated species are prepared, a nutrition bag is prepared, sowing is conducted,and field management is conducted in three stages. The method has the advantage that the greenhouse adopts a special roof and a gas exchange system, the temperature and humidity in the greenhouse canbe kept stable, and the temperature and the humidity of all positions are balanced; breeding in three levels can effectively preventing strain degeneration, the disease resistance is increased, the fruiting rate is increased, the nutrition bag is adopted, the three-level field management is combined, the production process can be effectively controlled, the yield can be increased, and the fruiting quality can be improved.

The invention discloses a method and equipment for drying day lily degradation chlorophyll. The drying method comprises the steps of setting temperature and humidity parameters, placing day lily, carrying out blanching operation, carrying out hot air drying operation and storing operation; the drying equipment comprises a box body, an electric cabinet, a moisture removal opening, a ventilation opening and a fan motor; and supporting plates are symmetrically arranged in the box body, the right supporting plate divides the box body into a left space and a right space, a material tray is arrangedin the middle of each supporting plate, an infrared light pipe is arranged between the material trays, a water basin is arranged on the uppermost material tray, and an ultrasonic atomizing head is arranged in the water basin. The drying method is reasonable in the design, the drying equipment is convenient to use, the temperature and the humidity inside the box body can be controlled, the dryingspeed of the day lily is controlled, and the drying quality of the day lily is improved; the day lily is subjected to blanching and fixation through high-temperature satiety and steam; and the multiple layer of infrared tubes are adopted for infrared radiation heating, the generated heat is uniformly and comprehensively distributed, and the production and processing requirements of large-batch daylily are met.

The invention discloses a refrigerator. The refrigerator comprises a box defining a storage chamber and a door for opening or closing the box, wherein at least two separated dry storage areas are arranged on the door. The refrigerator also comprises an air inlet duct with an air inlet, an air path distribution device connected with the air inlet duct and a control unit for controlling opening or closing of at least two air outlets, wherein at least two air outlets with the number equal to that of the dry storage areas are arranged on the air path distribution device, and the at least two air outlets are communicated with the two dry storage areas respectively. The dry storage areas of the door of the refrigerator have uniform temperature and humidity and better facilitate storage of articles.

The invention relates to the technical field of machine room environment management, in particular to a machine room temperature and humidity adjusting system. The machine room temperature and humidity adjusting system comprises an air conditioner, a plurality of ventilation pipelines, valves, a control assembly and an air diffuser, wherein the valves are used for controlling the opening / closing of the ventilation pipelines; the control assembly is used for controlling the opening and closing of each valve in order that the ventilation pipelines delivery air simultaneously; the air diffuser comprises a mounting frame, purlins and a plurality of blade groups which are arranged between adjacent two purlins respectively; the blade groups comprise a plurality of guide blades which are rotationally assembled with the purlins; and the driving assembly is assembled with the guide blades, and is used for driving the guide blades to rotate. Firstly, through the arrangement of the ventilation pipelines, output air of the air conditioner can be dispersed and uniformly conveyed to different positions in a machine room, and then the guide blades are driven to rotate through the driving assembly, so that the angles of the guide blades can be changed; the output air of the air conditioner can be dispersed to different directions through the diffuser; and the temperature and humidity changes in the machine room are more uniform and unified.

The invention relates to an egg branch positioning mechanism for cicada egg hatching. It solves technical problems such as unreasonable design of the prior art. It includes a positioning outer ring and a positioning inner ring formed by splicing at least two arc-shaped bodies in the circumferential direction. The positioning outer ring has a number of inwardly concave first arc-shaped depressions on the inner circumferential side, and the positioning inner ring has several inwardly concave first arc-shaped recesses on the circumferential outer side. In the second arc-shaped recess of the inner recess, a positioning gap for the insertion of egg branches is formed between each first arc-shaped recess and the second arc-shaped recess. The adjustment rod is provided with a positioning adjustment structure between the adjustment rod and the arc-shaped body, and an anti-deviation structure is arranged between the two arc-shaped bodies. The utility model has the advantages of simple structure, convenient positioning of egg branches, uniform distribution of egg branches, uniform temperature and humidity around each egg branch, and increased hatching rate of cicada larvae on the egg branches.

Provided is an intelligentized airflow-regulated system facing a closed type three-dimensional seedling raising platform. The invention relates to the intelligentized airflow-regulated system based on a plant factory. The system is composed of a wind power supplying unit, a wind direction adjusting unit and an electronic control and driving unit. A system frame takes a steel profile as the material and takes electric power as driving energy. Multiple air outlet plates are arranged on a tubular air duct in array, wind power information in a plant factory system is sent to the electronic control and driving unit through a wind power sensor, the electronic control and driving unit controls the wind power supplying unit to inflate air with different humidity, temperature and pressure into the tubular air duct, the tubular air duct is driven to rotate by combining a speed reducing stepping motor, a mutual interference effect of airflow is achieved, the airflow-regulated system is utilized to adjust water and air, and the purpose of simulating a natural wind is achieved. Compared with a traditional plant factory wind power supplying system, the intelligentized airflow-regulated system facing the closed type three-dimensional seedling raising platform has the advantages of being adjustable in size of wind, uniform in air supplement and easy to control, and a wide development prospect is achieved.

The invention relates to the field of tobacco baking, in particular to a uniform-airflow-type efficient tobacco baking room and a low-temperature tobacco baking technology. The uniform-airflow-type efficient tobacco baking room comprises a tobacco baking room body, a heating device is arranged in the tobacco baking room body, a main air pipe, three or more auxiliary air pipes, an air distributionbox and a fan are arranged in the tobacco baking room body, the main air pipe is vertically arranged at the center in the tobacco baking room body, the auxiliary air pipes are distributed around the main air pipe in the mode of being at the equal distance from the main air pipe, the main air pipe and the auxiliary air pipes communicate with the air distribution box, and the air distribution box communicates with the fan; and holes are formed in the main air pipe and the auxiliary air pipes. The uniform-airflow-type efficient tobacco baking room is used, in the tobacco baking process, the dry-bulb temperature is gradually increased from 32 DEG C to 62 DEG C, the wet-bulb temperature is gradually increased from 32 DEG C to 39 DEG C, and the tobacco baking time is 130-150 hours. According tothe uniform-airflow-type efficient tobacco baking room, airflow at all the positions of the tobacco baking room is mixed uniformly, the temperatures and the humidity in all areas in the tobacco bakingprocess are relatively uniform, low-temperature baking can be adopted, not only is fuel saved, but also the time is shortened, and the efficiency is improved.

The invention provides a hot air circulation system for I-phase drying air distribution of SCR denitrated catalyst. The hot air circulation system for the I-phase drying air distribution of the SCR denitrated catalyst enables the inner temperature and humidity of a drying chamber to be uniform, enables the sample drying velocity before and behind the chamber to be uniform, shortens the I-phase drying period and ensures no cracking of dried products. The hot air circulation system comprises the drying chamber, a heat exchanger and a circulation fan, wherein the drying chamber comprises two end walls, two side walls and a cavity enclosed by the two end walls and the two side walls, hot air vents are distributed inside the cavity, and one ends of the two end walls are provided with an openable drying chamber door. The hot air circulation system for the I-phase drying air distribution of the SCR denitrated catalyst is characterized in that penetrated small holes are formed in the lower portions of the other ends of the end walls, and the insides of the small holes are communicated with the cavity.

The paper packaging warpage detector for machinery includes a detection platform, on which a plurality of detection column adjustment mechanisms are arranged layer by layer, detection columns are installed on the detection column adjustment mechanisms, and there are scale lines on the detection columns. Fix 4-8 support columns at the center of the detection platform. The detection column adjustment mechanism includes a chute and a slider. One end of the slider has a screw hole, and a detection column is installed in the screw hole. The chute on the side of the wrapping paper and the package The paper edge is vertical, and the chute on the top of the wrapper is aligned with the diagonal of the wrapper. The detection platform is in the shape of a six-sided three-dimensional plate, and a plurality of small holes are evenly arranged on the five surfaces except the bottom surface. When detecting paper warping, just place the paper with the warped side up, put it on the support column of the platform, and then observe and read the scale on the detection column. The invention has the advantages of: 1. wide application range; 2. easy adjustment of the detection column; 3. high detection accuracy; 4. fast detection speed; 5. uniform temperature and humidity throughout the paper.