109results about How to "Increase humidity" patented technology

The utility model discloses a breathing machine humidifying tank and a breathing machine system, and relates to the field of medical instruments. The breathing machine humidifying tank comprises a tank body, a guide sleeve, a telescopic water bag and an operating rod. The tank main body is provided with a highest water line; the telescopic water bag is located in the tank body and horizontally arranged, the top of the telescopic water bag is higher than the highest water line, the telescopic water bag comprises a telescopic sleeve and a hard end plate, one end of the telescopic sleeve is connected with the tank body, the hard end plate is connected with the other end of the telescopic sleeve, and a water suction and drainage hole is formed in the hard end plate and lower than the highest water line. The guide sleeve and the telescopic water bag are arranged in the same direction, and the guide sleeve is connected with the tank body and corresponds to the telescopic water bag in position. And the operating rod penetrates through the guide sleeve, is matched with the guide sleeve and is sealed with the guide sleeve, and the operating rod is connected with the hard end plate. The breathing machine humidifying tank is installed on the breathing machine main machine, and a temperature and humidity sensor and a push-pull structure are arranged in a matched mode to obtain the breathing machine system. According to the utility model, the temperature and humidity of the humidified air at the patient end can be optimal.

The utility model provides a double-cavity garbage can for a sweeper truck, which comprises a can body, a garbage inlet is arranged above the can body, a movable partition plate is arranged in the can body and divides the can body into a first cavity and a second cavity, a communication port is arranged at the top of the movable partition plate, a turnover plate capable of being opened and closed is arranged at the communication port, and the turnover plate is arranged in the first cavity and the second cavity. The top of the first cavity and the top of the second cavity are each provided with a dust suction box, a water filtering plate is arranged on the lower portion in the box body, and a water collecting box is arranged below the dust suction boxes. According to the utility model, the design is reasonable, the double-cavity separation of the box body is realized through the matching of the movable partition plate, the embedded groove, the magnetic suction block and the magnetic suction sheet, the structure is simple, and when the whole box body needs to be cleaned, the movable partition plate is taken out through the separation of the magnetic suction block and the magnetic suction sheet, and the operation is convenient and fast.

The application discloses a kind of air-cooled fuel cell humidification systems and its control method, solve the problem of air-cooled stack humidification system structure complex, uneven gas intake in prior art.The application includes humidification cavity with water injection port and gas outlet;First homogenizing cavity is used to flow through gas and guide;Second homogenizing cavity is arranged on the first homogenizing cavity;Fan is arranged on the first homogenizing cavity for conveying gas into the first homogenizing cavity;Moisture guide mechanism one end is connected with gas outlet, the other end is connected with the first homogenizing cavity;Air-cooled stack is arranged on the second homogenizing cavity gas outlet end;Controller is connected with fan, moisture guide mechanism and air-cooled stack respectively.The application is controlled by fan, moisture guide mechanism, air-cooled stack and controller cooperation, controller controls the operating power of fan and moisture guide mechanism according to the power of air-cooled stack, to control the humidification amount of air-cooled stack, reduce the performance attenuation of air-cooled stack, improve the stability of air-cooled stack.

The utility model provides a transportation device for preserving the integrity of tricholoma matsutake. The transportation device for preserving the integrity of the tricholoma matsutake comprises a box body, two containing boxes are arranged in the box body, and a plurality of containing grooves used for containing the tricholoma matsutake are formed in the two containing boxes; the ventilation opening is formed in one side of the box body, and a protective net is arranged on the ventilation opening; and the protection mechanism is arranged on the box body and is used for protecting the tricholoma matsutake. According to the transport device for preserving the integrity of the tricholoma matsutake, damage caused by vibration and collision in the transport process of the tricholoma matsutake can be effectively reduced, and the integrity and quality of the tricholoma matsutake are guaranteed.

The utility model relates to a ventilation system for a food packaging workshop, and belongs to the technical field of food packaging, the lower surface of a ventilation pipe is provided with a humidity sensor, the upper surface of the ventilation pipe is provided with a humidifying box, the lower surface of the humidifying box is connected with a liquid discharge pipe in a connecting pipe, the lower end of the liquid discharge pipe is communicated with the connecting pipe, and the connecting pipe is connected with a ventilation pipe. Nozzles are symmetrically arranged on the lower surface of the connecting pipe, an exhaust fan is further arranged in the ventilation pipe, a positioning groove is formed in the outer side of the ventilation pipe, a box plate is clamped in the positioning groove, and two sets of filter screens are arranged on one side of the box plate. The temperature and humidity in the food packaging workshop can be monitored through the humidity sensor on the lower surface of the ventilation pipe, the infusion pump can be controlled through the controller to pump water in the food packaging workshop, the water enters the connecting pipe through the liquid discharging pipe, and finally the water is sprayed outwards through the spray head to achieve the humidification purpose. Therefore, the humidity of the food packaging workshop can be increased to improve the comfort of personnel.

The utility model relates to the technical field of medical instruments, and discloses a disposable bottle-free self-humidifying nasal oxygen cannula which comprises a humidifying material arranged in a humidifying cavity. The pressing plate is slidably connected to the inner side wall of the humidifying cavity, and the pressing plate is arranged on the right side of the humidifying material; one end of the sliding rod is fixedly connected to the right side wall of the pressing plate, and the other end of the sliding rod penetrates through and extends out of the humidifying cavity. When the sliding rod is pulled out, the sliding rod is pushed into the humidifying cavity, the clamping protrusions are pressed to deform and slide into the clamping grooves, at the moment, the sliding rod compresses the humidifying material, the pore volume of the humidifying material is reduced, free water is squeezed back into the humidifying material, surface moisture is reduced, the evaporation capacity is reduced, and the oxygen humidifying degree is reduced; the fiber layer in the humidifying material extends from a compressed state to a fluffy state, the pore volume is increased, free water stored inside migrates to the surface due to the action of gravity and fiber tension, moisture attached to the fiber surface and the surface of the humidifying material is increased, the evaporation capacity is increased when the humidifying material makes contact with oxygen, and the oxygen humidifying degree is increased.

This utility model discloses a temperature and humidity control warehouse for storing premium soybeans, including a chassis, a placement compartment, and a temperature and humidity control mechanism. The outer compartment of the placement compartment is inserted into the chassis, and the top of the reinforcing frame on its inner wall is equipped with hooks, allowing for overall loading and unloading via hoisting equipment. The perforated panels inside the placement frame are used to stack bagged premium soybeans. The temperature and humidity control mechanism includes a humidification ring pipe and a heat dissipation cover. The humidification ring pipe supplies water through an inlet pipe, and nozzles spray humidification. A fan inside the heat dissipation cover works with a ventilation filter to create air circulation, maintaining stable temperature and humidity within the warehouse. This warehouse achieves rapid loading and unloading of large quantities of premium soybeans through mechanized hoisting, improving loading and unloading efficiency, reducing labor costs, and ensuring a constant temperature and humidity environment within the warehouse, reducing the impact of temperature and humidity fluctuations on the quality of the premium soybeans. It is suitable for storing premium soybeans.

This utility model relates to the field of dust removal technology in cotton sock production, specifically a dust removal component for cotton sock production workshops. It includes a mounting frame and textile threads. The textile threads are divided into upper and lower threading groups. The mounting frame is U-shaped, with a set of horizontally opposite guide tubes installed at the top and bottom of the frame. The two sets of guide tubes are staggered and L-shaped. Two guide rods are installed vertically on the inner surface of the mounting frame, with several evenly distributed retaining rings connected to the guide rods. This dust removal component for cotton sock production workshops allows the textile threads to enter from both top and bottom directions, increasing the single-pass feed rate. Furthermore, the two sets of textile threads are staggered under the guidance of the guide tubes and guide rods. The upper atomizing nozzle increases air humidity, resulting in less water on the textile thread surface, making it easier to dry in subsequent processing and not affecting the overall production quality of the cotton socks.

The utility model relates to a kind of hot steam humidifiers, it includes: base, box, heating can and top cover, heating piece is equipped in base. Box is installed on base, its top has opening, its bottom is provided with let go of mouth, and opening and let go of mouth are respectively communicated with the inside of box. Heating can is installed in box, and the inner wall between its outer wall and box is enclosed to form water storage cavity, heating can is hollow to form heating cavity, heating cavity is communicated with heating piece by let go of mouth, and heating piece is used to heat the liquid in heating cavity. Top cover is connected with box, to close opening, and top cover is provided with mist outlet hole communicated with heating cavity on it. Wherein, heating cavity and water storage cavity have water passing cavity, the top end of water passing cavity has water passing hole communicated with water storage cavity, and water passing cavity is equipped with ball float for opening or plugging water passing hole, when ball float opens water passing hole, water storage cavity and heating cavity are communicated by water passing cavity, when ball float plugs water passing hole, water storage cavity and heating cavity are not communicated.

The utility model provides a fadeless textile fabric wetting device capable of being washed repeatedly, which belongs to the field of fabric wetting and comprises a box body, feeding holes are formed in two sides of the box body in a penetrating manner, and guide rollers are rotatably connected to two ends of the inner side of the box body; and the disturbance assembly comprises two shaft rods, a motor and a transmission belt. By arranging the disturbance assembly, cloth can be driven to shake up and down in water while being immersed in water to be conveyed, the wetting degree of the cloth is improved, the cloth is wetted more fully and evenly, the water squeezing assembly is further arranged, the amount of water squeezed out of the cloth can be adjusted, and the requirement for different wetting degrees of different pieces of cloth is met; and the adaptability and the practicability are improved.

The utility model discloses a plastic product drying device, and relates to the technical field of plastics. The plastic product drying device comprises a drying box, a plurality of containing frames are arranged in the drying box, a plurality of water shaking mechanisms are arranged between the inner walls of the left side and the right side of the drying box, the lower surfaces of the containing frames make contact with the water shaking mechanisms, and the water shaking mechanisms are used for driving the containing frames to shake up and down, so that water drops on the surfaces of plastic products are shaken off. The effect of accelerating drying of the plastic products is achieved. Plastic products are vibrated up and down on the placing net, excessive moisture on the plastic products can be shaken off in the process, the moisture on the plastic products is prevented from being accumulated excessively, the excessive moisture can be collected conveniently, air circulation on the lower sides of the plastic products can be increased in the up-and-down vibration process of the plastic products, and the plastic products are prevented from falling off. And therefore, the plastic products are dried more uniformly, the drying process is accelerated, the drying efficiency is improved, and the practicability of the plastic product drying device is improved.

The invention relates to a dual-module intercooler type fuel cell cathode inlet temperature and humidity cooperative control method. The method comprises the steps that fuel cell cathode air inlet real-time state parameters and operation parameters are obtained, a multivariable coupling prediction model is constructed after preprocessing, and a temperature and humidity reference and an oxygen stoichiometric ratio target reference are set in combination with heat exchange characteristics of a dual-module intercooler; then the core body heat exchange distribution proportion is regulated and controlled, humidification adjustment is matched, and the core body heat exchange distribution proportion and the humidification adjustment intensity are dynamically adjusted according to the real-time working condition; comparing the deviation between the adjusted actual temperature and humidity and the target temperature and humidity reference, and correcting the heat exchange distribution proportion and the humidifying adjustment parameter through a dynamic constraint correction model; cooperative regulation and control of cathode inlet temperature and humidity are realized, dynamic change of working conditions is adapted, and stable operation of the fuel cell is guaranteed.

The application relates to the field of new energy batteries, in particular to a positive pole piece, a preparation method thereof and a battery; the positive pole piece comprises a current collector, a positive pole active material layer arranged on at least one side of the current collector in the thickness direction and a glue layer arranged on the surface of the positive pole active material layer away from the current collector; the glue layer comprises a binder; the thickness ratio of the glue layer to the positive pole active material layer is 1: (10-100). The setting of the protective layer in the positive pole piece facilitates long-term storage and classification and temperature and humidity control of the positive pole piece; in the battery assembly process, the protective layer is peeled off, and the remaining current collector and coating structure are assembled with a diaphragm, a negative pole piece and other battery components, the operation is simple and easy to operate. Meanwhile, the setting of the glue layer can avoid energy loss caused by dropping of the positive pole active material.

This invention discloses a Pt / O-NCP catalyst and its preparation method. It utilizes self-developed nanoporous carbon (NCP) as a support, which is modified to change the internal pores from a hydrophobic to a hydrophilic state. A special preparation method is then used to obtain the noble metal catalyst Pt / O-NCP. During catalyst loading, most Pt nanoparticles are located within the mesopores of the support, maximizing the direct contact between the polymer and Pt (sulfonic acid poisoning). This solves the problems in existing catalysts where Pt nanoparticles are prone to dissolution and carbon corrosion under voltage fluctuations, leading to Pt growth and aggregation, thus avoiding the reduction in catalytic performance caused by a decrease in the active surface area of ​​the catalyst. Furthermore, this catalyst can also address the significant decrease in overpotential of ordinary carbon support materials under low humidity, resolving the typical performance degradation of PEMFCs under low humidity conditions.

This application relates to a nitrogen humidifier, comprising a first housing, a connecting member, an air inlet pipe, a liquid inlet pipe, a second housing, a flow restrictor, and a connector. The connecting member is disposed at a first opening of the first housing and has a first air passage, an air inlet passage, and a liquid inlet passage, which are respectively connected to an external controlled air source and a liquid source. The air inlet pipe and the liquid inlet pipe respectively introduce gas and liquid into a first accommodating space for premixing. The first air passage connects to a second accommodating space of the second housing, where the flow restrictor is disposed. The flow restrictor agitates the ejected mixed airflow to achieve secondary mixing. The connector is disposed at a third opening of the second housing to exhaust the mixed gas. This nitrogen humidifier, through independent gas and liquid supply and a two-stage mixing design, effectively improves humidification efficiency and humidity stability, solving the problems of low mixing efficiency and poor humidity control in existing technologies, and is suitable for high-precision process requirements.

This invention discloses a microwave ablation electrode, relating to the field of medical device technology. It mainly includes a main needle body, whose working end can release microwave energy to achieve microwave ablation. The main needle body is equipped with a non-working end circulating cooling structure and a working end liquid injection structure. The non-working end circulating cooling structure allows a cooling medium to reach the non-working end of the main needle body to cool the non-working end and surrounding tissue, and also allows for the return flow of the cooling medium. The working end liquid injection structure allows a cooling medium to reach the working end of the main needle body to cool the working end and surrounding tissue, and also allows the cooling medium to be injected into the lesion tissue, absorbing microwave energy to form steam, achieving steam thermal ablation. This invention achieves dual ablation through steam thermal ablation and microwave ablation, improving the ablation effect, reducing the temperature of the working end of the microwave ablation electrode, and increasing the moisture content of the tissue surrounding the working end, thus reducing carbonization of the lesion tissue.

This utility model relates to the technical field of water generators, specifically disclosing a rotary air-to-water generator, including a body and a dehumidifying rotor. The body contains independent moisture absorption channels and cooling / heating channels. The dehumidifying rotor is rotatably mounted within the body. A first partition and a second partition are respectively installed at both ends of the dehumidifying rotor. The first and second partitions are respectively provided with a dehumidification area and a regeneration area connected to the dehumidifying rotor. The dehumidification area is located within the moisture absorption channel, allowing the dehumidifying rotor to absorb moisture from the air within this area. The regeneration area is located within the cooling / heating channel, allowing the moisture adsorbed by the dehumidifying rotor to be heated and desorbed in the regeneration area and condensed into water through cooling. A water storage chamber connected to the cooling / heating channels is provided at the lower inner end of the body. This rotary air-to-water generator can improve water extraction efficiency and has higher environmental adaptability.

The invention discloses a wild lespedeza seed dormancy breaking and germination accelerating method, and belongs to the technical field of plant seed breeding. The method comprises the steps of physical skin breaking, surface cleaning and disinfection, warm water seed soaking, chemical dormancy breaking, gradient germination accelerating, batch sowing and intelligent water and fertilizer management. Aiming at the problems of low natural germination rate, irregular seedling emergence and the like caused by double obstacles of hard seed coats and shallow physiological dormancy of wild lespedeza seeds, the method synchronously breaks the double dormancy obstacles through a multi-stage synergistic mechanism of constructing a moisture permeation channel through physical coat breaking, breaking dormancy through chemical dormancy breaking and simulating environmental signals through gradient germination acceleration, and the germination rate of the wild lespedeza seeds is improved. The seed germination rate and the seedling emergence uniformity are effectively improved, and mildewing is inhibited. The method is stable in process, high in operability and suitable for large-scale seedling raising of the wild lespedeza, and reliable technical support is provided for ecological restoration engineering.

The invention belongs to the technical field of building materials, and discloses a cement-based composite material based on multistage toughening and intelligent repairing and a preparation method thereof.The cement-based composite material comprises finished product dry powder, an additive and mixing water, and the finished product dry powder comprises, by mass, 400-500 parts of ordinary Portland cement, 50-100 parts of mineral powder and 20-60 parts of nano metakaolin; the invention relates to a water-based composite material which comprises the following components in parts by weight: 15-35 parts of epoxy modified redispersible latex powder, 1-5 parts of pre-water-absorbing SAP microspheres, 0.5-1.5 parts of PP fibers, 0.5-1.5 parts of PVA fibers, 800-900 parts of machine-made sand, 1-3 parts of surface-treated shape memory alloy short fibers and 3-8 parts of elastic polymer microspheres. The additives comprise a geopolymer prefabricated liquid, a water reducing agent, a defoaming agent and a retarder, and the mass ratio of the finished product dry powder to the geopolymer prefabricated liquid to the mixing water to the water reducing agent to the defoaming agent to the retarder is 100: (25-28): (8-10): (5-10): (1-3): (0.5-2). Compared with the existing material, the cement-based composite material provided by the invention has the characteristics of high toughness, impact resistance and low shrinkage, and also has an internal repair function.

This utility model relates to the field of core-spun yarn spinning technology and discloses a cashmere and mohair core-spun yarn spinning equipment, including a base plate. A fixed frame is fixedly connected to the upper surface of the base plate, and an infeed structure, a fixed seat, a drive seat, and gears are fixedly connected to the upper surface of the fixed frame. This utility model has a reasonable structure. A moving hydraulic device moves the fixed clamping plate downwards. As the fixed clamping plate moves downwards, a cutting blade on one side of the moving clamping plate cuts the core-spun yarn. A clamping plate motor drives the clamping plate screw, causing the moving clamping plate to move parallel until the fixed clamping plate and the moving clamping plate clamp the spool. A moving hydraulic device moves the spool upwards, and a moving motor drives the moving screw, causing the spool to move parallel. A moving hydraulic device moves the spool downwards, allowing a collecting rod to pass through the spool. A clamping plate motor drives the clamping plate screw, causing the moving clamping plate to move parallel, connecting the spool to the collecting rod, thus completing the collection of the spool after it has been fully collected.

The utility model relates to the technical field of vegetable and fruit packaging, and particularly discloses a high-toughness puncture-proof fresh-keeping film bag for vegetables and fruits, which comprises a puncture-proof outer layer, the puncture-proof outer layer, a protective middle layer and a buffer inner layer are sequentially sleeved from outside to inside to form a film bag main body, and the puncture-proof outer layer, the protective middle layer and the buffer inner layer are closed and formed by hot pressing to form the fresh-keeping film bag main body for vegetables and fruits. According to the high-toughness puncture-proof fresh-keeping film bag for the vegetables and the fruits, the hemispherical buffer balls arranged on the surface of the buffer inner layer at equal intervals are integrally formed with the hydrophilic polymer inner base layer, and the hemispherical buffer balls and the second breathable micropores are distributed in a staggered mode, so that the vegetables and the fruits can be prevented from being in direct and tight contact with the film bag; the semispherical buffer balls effectively buffer external force through deformation, the concentrated pressure of sharp parts of vegetables and fruits on the film bag is dispersed into dispersion force in multiple directions, the local pressure intensity is reduced, the film bag is further protected from being punctured, and meanwhile damage to the vegetables and the fruits caused by extrusion is reduced.

This invention discloses a power device loss testing method based on gallium oxide, belonging to the field of semiconductor device testing technology. The method performs time-period power loss tests on the gallium oxide power device under different test ambient temperatures to obtain first power loss analysis data; based on this, tests are then conducted under different test ambient humidity levels to obtain second power loss analysis data; finally, power loss anomaly warnings are issued for each device based on the two types of data. This invention constructs quantitative analysis models of temperature-power and humidity-power, uses the area integration method of the power curve region to accurately calculate time-period losses, and compares the results with theoretical on-state losses, effectively separating additional losses caused by environmental factors and solving the problem of existing testing methods lacking temperature and humidity specificity. This invention can accurately evaluate the loss characteristics and reliability of gallium oxide power devices under different environmental conditions, providing precise test results and strong support for device design optimization and quality control.

The utility model relates to the technical field of aquatic product transportation packaging boxes, and discloses a packaging box for fresh water crab transportation, which comprises a box body and a box cover, a placing plate is arranged in the box body, a mounting groove is formed in the top of the placing plate, a limiting assembly is arranged on the inner bottom wall of the mounting groove, and the limiting assembly comprises a supporting block and a limiting frame. Limiting frames are fixed to the two sides of the top of the supporting block, a groove is formed in the top of the supporting block, and a first sponge block is placed in the groove; according to the crab storage box, the structures such as the placement plate, the supporting blocks and the limiting frames are designed, so that the placed crabs can be limited, the crabs can be placed one by one, on one hand, the situation that the crabs are disordered in the box due to shaking during transportation can be avoided, and on the other hand, the storage box is convenient to use; on the other hand, the crabs can be prevented from colliding everywhere, so that the crabs can be prevented from being damaged, and the fresh rate of the crabs transported to the destination is increased.

This invention discloses a method for crop nutrient remediation, comprising: digging an aeration trench on either side of the crop to be remediated; laying a layer of soil, mixing waste fruit peels with a fermentation agent at 0.1%–0.2% of the total weight of the fruit peels, placing the mixture on top of the soil, and then covering it with soil with a moisture content of 38%–42% for sealed fermentation for 30–50 days. During fermentation, tap water is added daily until the soil moisture content reaches 38%–42%. After 20 days of sealed fermentation, the filtrate of the fermented material is collected daily and mixed to obtain a remediation solution; when the soil moisture in the aeration trench reaches 55%–60%, the remediation solution diluted 10–15 times is injected into the aeration trench, with 500–2000 ml of diluted remediation solution injected per crop, continuously for 3–5 days. This method of crop nutrient remediation, after injecting the remediation solution, can stimulate crops to absorb more nutrients from the soil, thereby improving crop yield and crop product quality.

The application discloses a kind of chemical fiber spinning system roll body cleaning device and spinning system, including, support component, be set in the roll body around scrollable;Cleaning component is connected with support component, and cleaning component is contacted with the lateral wall of roll body;Spray component is connected with support component or cleaning component, for spraying lateral wall and / or cleaning component of roll body.The beneficial effects brought by the application: by increasing spraying device, the humidity of the contact surface of roll body and cleaning component is improved, the temperature of cleaning component and lateral wall of roll body is prevented from rising, the antistatic effect is improved, and the lubricating effect is played, the friction between the surface of cleaning component and roll body is reduced, and then the wear between the two is reduced, so that the surface finish of roll body remains good, and the needs of long-period production operation are satisfied.

The present application relates to dust collection device technical field, and discloses a kind of environment-friendly efficient textile dust collection device, including box, the front surface of the box is hinged with box door, observation window is provided on the box door, the inside of the box is provided with dust removal mechanism, the dust removal mechanism includes support rod, cylinder, rotary drum, connecting rod, beating plate, frame, electric push rod, push plate, moving rod;The support rod is fixedly connected to the inner wall of box, the cylinder is fixedly connected on support rod, the rotary drum is rotatably connected on the outer wall of cylinder by bearing, the connecting rod is fixedly connected on the outer wall of rotary drum, the beating plate is fixedly connected on one end of connecting rod.The present application is by setting electric push rod, push plate, moving rod, frame, rotary drum and connecting rod can drive beating plate to beat plush fabric, dust is beaten up, then dust beaten up is absorbed by dust collector, to improve the dust removal effect of plush fabric.

This utility model relates to a cable conduit burial structure in the field of cable conduit laying. It includes two sets of positioning pipes respectively fitted onto both ends of the cable conduit. Each positioning pipe includes two mounting pipes symmetrically distributed and fixedly connected by bolts. A sealing ring is fixedly connected inside each mounting pipe, and an insert pipe is fixedly connected to the outer surface of each mounting pipe. A collection hopper is fixedly connected to the end of the insert pipe furthest from the mounting pipe, and a filter screen is fixedly connected inside the collection hopper. Two irrigation components are provided between the two sets of positioning pipes. Rainwater is collected during rainy weather via the collection hopper and insert pipe, allowing it to be stored in the mounting pipes and the collection pipe. When the soil around the cable conduit is relatively dry, the collected rainwater can be used for drip irrigation of the surrounding soil, effectively increasing soil moisture, preventing soil thermal instability, and improving the power supply reliability of the power system.

This application discloses a standard alcohol gas generating device and method, belonging to the technical field of gas generating devices. The standard alcohol gas generating device includes a carrier gas pipeline, a humidification module, an alcohol gas pipeline, a first mixing pipeline, and a standard gas pipeline. By incorporating a humidification module with a first three-way valve and a moisture recovery component, the humidifier can maintain operation even when standard alcohol gas is not needed, and the generated moisture can be recycled or recovered through the moisture recovery component. When output is required, simply switching the airflow path immediately yields stable humidity. This achieves intermittent output of primary standard alcohol gas to save costs while ensuring the humidity stability of the output standard alcohol gas, thereby improving the accuracy of alcohol detector testing.

The utility model relates to spinning production technical field, and more particularly to the impeller cleaning system of electrostatic precipitator fan for spinning workshop, include: base, set up in spinning workshop, drive structure, install in the base, the output end of drive structure is connected with centrifugal impeller, impeller cover, connect to the base, cover in the outside of centrifugal impeller, and the impeller cover is equipped with air inlet pipe and exhaust pipe, and the air inlet channel of the inside of air inlet pipe is formed with the centrifugal impeller center just opposite. The utility model discloses through the transformation of original dust removal fan, increase the humidity of impeller chamber with the increase of spraying device at the bottom, make the gas be humidified before discharging from the exhaust pipe, and the resistivity of spinning dust after humidification increases, is favorable in the subsequent electrostatic field is adsorbed, improves dust removal efficiency, in addition, sets up the cover that can open at the bottom of impeller chamber, so that the operator can more easily complete the cleaning of the dust accumulation inside impeller chamber, reduces the equipment downtime.