28results about How to "Control moisture content" patented technology

The invention relates to the technical field of artificial board preparation, and particularly discloses efficient wood chip hot air drying equipment which comprises a drying cylinder and a hot air source, discs are arranged at the centers of the two end faces of the drying cylinder, a hot air guide pipe connected with the hot air source is arranged in the drying cylinder in a penetrating mode, and a hollow rotating pipe is rotatably arranged on the outer wall of the hot air guide pipe in an attached mode. A plurality of scraping plates are uniformly arranged on the hollow rotating pipe, a blanking port is formed in one end, close to the hollow rotating pipe, of each scraping plate, and a scattering plate for sealing the lower end of the blanking port is rotationally connected to the lower end, close to one end of the hollow rotating pipe, of each blanking port through a pin shaft; according to the efficient hot air drying equipment for the wood chips, the internal structure of a traditional roller drying machine is changed, the wood chips can be dried faster, the drying uniformity of all the wood chips can be improved, the drying effect of all the wood chips is guaranteed, compared with direct introduction of axial hot air, the contact time of the hot air and the wood chips can be prolonged, and the drying efficiency of the wood chips is improved. And heat energy loss in the hot air drying process is reduced.

The invention relates to the technical field of food processing, in particular to a self-cleaning conveying device for food processing, which comprises a rack, two conveying rollers are rotatably connected between the inner walls of the two sides of the rack, a conveying belt is in transmission connection between the two conveying rollers, a motor is fixedly connected to the outer wall of one side of the rack, and the motor is fixedly connected to the outer wall of the other side of the rack. One end of an output shaft of the motor is fixed to one conveying roller, the bottom of the rack is fixedly connected with a bottom plate, and the surface of the bottom plate is fixedly connected with a water tank. According to the cleaning device, the conveying belt can be cleaned through rotation of the brush rollers, meanwhile, the water content of the brush rollers can be controlled, the cleaning degree of the conveying belt is improved, and continuous use is convenient; manual cleaning is avoided, the labor amount is saved, meanwhile, the cylindrical brush plate makes contact with the brush roller in a reciprocating mode, then the brush roller is cleaned, the cleaning degree and the cleaning effect of the brush roller are improved, materials firmly attached to the conveying belt can be scraped away, and the falling materials fall into the drawing box after being guided by the slag collecting hopper, so that centralized treatment is facilitated.

The invention discloses a drying and screening device for pretreating as-furnace mineral aggregate and a using method of the drying and screening device. The drying and screening device comprises a rectangular shell; a first feed port; the first screen is horizontally arranged on the upper portion in the rectangular shell, and a first screening space is formed in the rectangular shell; the second screen is horizontally arranged in the rectangular shell and located below the first screen, and a second screening space is formed between the second screen and the first screen; a first discharge port; a second discharge port; a second feed port; and the vibration motor is mounted at the bottom of the rectangular shell. The method has the beneficial effects that the high-temperature cinder waste heat generated after pyrite roasting is used for drying the charging mineral aggregate, the water content of the charging mineral aggregate is effectively controlled, meanwhile, the high-temperature cinder is isolated from the charging mineral aggregate, and direct reaction between the charging mineral aggregate and the high-temperature cinder is avoided.

The invention relates to the technical field of fungus material culture, and particularly discloses a fungus material culture method of armillaria mellea for artificial cultivation of gastrodia elata, which comprises the steps of fungus material selection, culture medium preparation, inoculation, culture shelf arrangement, environment arrangement, harvesting and gastrodia elata planting. According to the method, hard and corrosion-resistant broad-leaved tree species are selected as the fungus material, a composite culture medium formula is adopted, namely, the advantages of a liquid culture medium and a solid culture medium are combined, comprehensive and balanced nutrition support is provided for growth of armillaria mellea, the culture efficiency and quality of the fungus material are improved, meanwhile, the proportion of the formula of the culture medium is designed, and the culture cost is reduced. The water content and the pH value of the culture medium are controlled, favorable growth environment conditions are created for growth of armillaria mellea, meanwhile, a syringe or an inoculating loop for high-pressure steam sterilization effectively prevents contamination of infectious microbes, and the success rate of inoculation and the purity of hyphae are improved.

The present invention provides a production method of high-quality room-temperature cooked stinky mandarin fish, including thawing, washing and cutting, soaking and sterilizing, removing odor and locking freshness, low-temperature air drying, deep-frying and shaping, sterilization and other processing of fermented stinky mandarin fish to obtain a room-temperature cooked stinky mandarin fish product. Compared with the traditional method, the present invention adopts a method of soaking and sterilizing combined with mild heat treatment sterilization to kill microorganisms, prolong the shelf life of cooked stinky mandarin fish, and can be stored at room temperature for 9 months, and significantly improve its processing quality, such as the volume shrinkage ratio of fish meat is reduced by 14.73% and the elasticity is increased by 80.24%. The present invention also innovates the formula and process for removing odor and locking freshness during the processing process. The added deodorizing and locking freshness ingredients have multiple functions such as removing odor, locking freshness and anti-oxidation, such as the product moisture content and water holding capacity are increased by 9.32% and 17.84% respectively; and improves the safety quality of cooked stinky mandarin fish during storage, such as the thiobarbituric acid content in the fifth month under 30°C storage conditions is significantly reduced by 43.39%.

The application discloses a lignin-based conductive eutectic gel and a preparation method and application thereof, and belongs to the technical field of intelligent soft materials.The lignin-based conductive eutectic gel comprises the following components in proportion by weight: 20-50 parts of polymerizable monomers, 0.01-0.2 parts of a crosslinking agent, 0.01-0.15 parts of sodium lignosulfonate, 3-6 parts of modified keratin, 0.1-1 parts of an initiator, 50-90 parts of a deep eutectic solvent and 50-100 parts of water; the polymerizable monomers are acrylic acid and [2-(methacryloyloxy)ethyl]dimethyl-(3-sulfopropyl)ammonium hydroxide; and the modified keratin is polyethylene glycol-based double-end crosslinking monomers and disulfide di(p-phenylene)di(2-methyl acrylate) grafted modified keratin.The lignin-based conductive eutectic gel has excellent strain sensing performance, can be used for monitoring the movement of different parts of a human body and personal health, and has excellent adhesion performance and can be stably combined with fitness equipment.

The invention provides a high and cold environment ecological slope protection device, and relates to the technical field of water and soil control engineering, the high and cold environment ecological slope protection device comprises a plurality of grating slope protection raft plates, grating water locking areas are arranged in the grating slope protection raft plates, and self-adaptive traction anchor rods are connected with the grating slope protection raft plates through cooperation of upper traction rods and anchor rod traction seats; a piston telescopic block and a fixing block are further arranged in the self-adaptive traction telescopic sleeve, and a moisture collecting mechanism is further arranged outside the self-adaptive traction telescopic sleeve. The piston telescopic block pumps water from the water collecting mechanism to the grating water locking area in a one-way mode in the telescopic process in the self-adaptive traction telescopic sleeve, the telescopic elastic piece can offset expansion-collapse deformation of slope soil, in addition, freeze-thaw cycle is used as driving force, water in the soil is pumped to the earth surface, and the water locking effect is improved. The method has multiple superimposed effects of locking water, reducing the frost heaving deformation rate of the slope and controlling the soil moisture of the slope, and is environment-friendly and practical.

The utility model discloses an improved mudstone mixed soil composite anti-freezing roadbed structure which comprises a soil base, a mudstone mixed soil filler layer, a hydrophobic layer, a cement stabilized macadam base layer and a surface layer which are sequentially laid from bottom to top, and a central separation zone and a road shoulder which are made of mudstone mixed soil are correspondingly arranged on the two sides of the cement stabilized macadam base layer and the two sides of the surface layer; a wicking geotextile drainage layer is laid in the mudstone mixed soil filler layer. And the moisture content of the mudstone mixed soil filler layer is + / -2% of the optimal moisture content. And the compaction degree of the mudstone mixed soil filler layer is greater than or equal to 96%. The mudstone mixed soil filler layer is formed by mixing mudstone, silty clay and lime. The hydrophobic layer is formed by mixing a hydrophobic material and silty clay. The wicking geotextile drainage layer is arranged at the position 0.8 m below the bottom face of the cement stabilized macadam base layer. And the wicking geotextile drainage layer is a geotextile containing wicking fibers. And roadbed disasters caused by water freezing and thawing are effectively reduced.

The invention discloses an integrated system for treating flue gas from the incineration of domestic waste, which belongs to the technical field of waste treatment. The technical problem to be solved is to provide an integrated system for realizing comprehensive treatment of flue gas generated by the incineration of domestic waste, such as desulfurization, dust removal, carbon monoxide removal, dioxin removal, odor removal, etc. The technical scheme adopted is: comprising a material path of a closed material storage device, a metering feeder, a gasification flash furnace, and an ash collection device connected in sequence, and a flue gas path of a gasification flash furnace, a heat exchanger, a cyclone dust collector, a bag dust collector, a flue gas catalytic device, a flue gas induced draft fan, a closed material storage device, a VOCs fan, a VOCs treatment device, and a gas negative ion purifier connected in sequence. The invention is used to realize comprehensive treatment of flue gas from the incineration of domestic waste, such as desulfurization, dust removal, carbon monoxide removal, dioxin removal, odor removal, etc.

The present application belongs to the technical field of millet planting, and particularly relates to a method for preventing and treating millet white hair disease, comprising the following steps: S1, spraying fungicides to a planting area in January; S2, spraying fungicides to the planting area again in February-March; S3, carrying out high-temperature sterilization on the planting area 10-15 days before millet sowing; S4, sowing millet in the planting area during the sowing period; and S5, spraying fungicides to the leaf surface of millet when the millet grows to the 7-leaf stage. The present application forms a synergistic prevention and treatment method by controlling the time node of fungicide spraying and cooperating with high-temperature sterilization. The prevention and treatment method has a significant prevention effect and strong radical treatment, can eliminate pathogenic bacteria in the soil from the root cause, greatly reduces the incidence of millet white hair disease, and significantly reduces the yield loss of millet.

The utility model provides a hot compress bag extruding device, relates to the technical field of hot compress bags, and solves the problem that in the prior art, a traditional hot compress bag is too much in water in the preparation process, the use effect of the hot compress bag is affected, and the risk of scalding of a patient in the use process is caused. The hot compress bag extruding device comprises a barrel body, and the barrel body is provided with an inner cavity, a feeding port and a discharging port; the heating assembly is mounted in the cylinder body and is used for heating the hot compress bag placed in the cylinder body; the extrusion assembly comprises a fixing plate fixedly mounted in the inner cavity of the cylinder body and an extrusion plate used for placing the hot compress bag, and the extrusion plate is arranged in a sliding mode along the inner cavity and presses the hot compress bag by gradually approaching the fixing plate; the driving assembly is fixedly mounted on the barrel and used for driving the extrusion plates to get close to or away from each other; the controller is electrically connected with the driving assembly and used for regulating and controlling the driving assembly to drive the extrusion plate to move; through the synergistic effect of the heating assembly and the extrusion assembly, the moisture content in the hot compress bag is effectively controlled.

The invention discloses an ecological protection method for a down-dip water-containing rock slope, which relates to the technical field of ecological protection slope protection, and sequentially comprises ecological restoration of the slope surface of the slope and ecological restoration of the platform surface of the slope, ecological restoration of the slope surface sequentially comprises the steps of slope surface cleaning, drilling and vine planting, water drainage hole forming and vegetation concrete spraying of a base layer and a surface layer. The ecological restoration of the platform surface sequentially comprises the steps of cleaning the platform surface, laying an impermeable layer, building an enclosure retaining wall, planting oriental arborvitae and Japanese creeper in the enclosure retaining wall, building a soil retaining ridge, planting ridge plants, arranging a soil covering layer and planting traditional Chinese medicine plants. The greening of the slope surface can be accelerated by using the vegetation concrete and the drilling planting rattan; the slope rock mass is effectively prevented from sliding along the bedding, meanwhile, the down-dip slope is greened, and the ecological protection effect of an existing down-dip rock slope is improved.

The invention relates to the technical field of waste gas treatment, and discloses a treatment method of catalyst production waste gas. The method comprises the following steps: (a) carrying out buffer treatment on first catalyst production waste gas generated in a catalyst production process to obtain a buffer waste gas flow; (b) converging the buffer waste gas flow obtained in the step (a) with a second catalyst production waste gas generated in the catalyst production process to obtain a total production waste gas flow; (c) combining the total production waste gas stream obtained in step (b) with air to obtain a total gas stream, the total gas stream having a calorific value of 100-1300 kJ / Nm3; and (d) in the presence of a purification catalyst, carrying out catalytic purification treatment on the total gas flow obtained in the step (c) to obtain a catalytic purified gas flow. According to the method, waste gas generated in each process step in the catalyst production process can be effectively treated in a normalization mode, the content of nitric oxide in the produced waste gas is reduced, the production cost is reduced, and continuous operability is achieved.

The invention provides a low-melting-point modified polyester material. The low-melting-point modified polyester material is prepared from 50-70 parts of PET crushed reclaimed materials, 10-25 parts of dihydric alcohol, 0.01-0.5 part of a catalyst and 0.01-2 parts of a cross-linking agent, the forming method comprises the following five steps: drying treatment, preparation of a prefabricated material I, preparation of a prefabricated material II, mixing preparation and preparation of a finished product: drying treatment is performed on a PET crushed regenerated material, so that most moisture is removed, the moisture content is controlled, and the yield is high; the melting point of the polyester material is reduced, the formula is simple, the thermal stability of the product is not influenced, and the problems that the existing product material is fragile and cannot be normally used are solved.

The invention provides a drainage device and method applied to a permafrost region, and belongs to the technical field of soil body antifreezing, the drainage device comprises a water storage heating assembly, the water storage heating assembly is arranged in a soil body of the permafrost region, the water storage heating assembly comprises a shell and a plurality of heating rods arranged side by side, and the heating rods are all located in the shell; a plurality of water seepage holes are formed in the shell, and the shell is further filled with water absorption materials. The soil moisture content of the frozen soil area can be reduced, so that frost heaving is reduced, and the soil conditioner can adapt to repeated freezing and thawing and has high stability.

The invention relates to the technical field of foundation treatment, in particular to a construction method for quantitative moisture absorption of a collapsible loess foundation. Determining the number, aperture and position of moisture absorption holes according to the total moisture absorption treatment water quantity, and punching to obtain a plurality of moisture absorption holes; a drying agent formula is determined according to the moisture absorption treatment water quantity of at least one soil layer, and a drying device containing a drying agent is placed at the corresponding depth position in each moisture absorption hole; after standing, moisture absorption is completed; the total moisture absorption treatment water amount is obtained according to the volume of the loess foundation, the actual water content of the soil layer at at least one depth position and the optimal water content of the soil layer at the depth position; the soil layer moisture absorption treatment water amount is obtained through the actual water content of the soil layer and the optimal water content of the soil layer. The method has the advantages that the moisture absorption efficiency and effect can be improved, the water content of soil layers with different depths can be more uniformly controlled, the cost is low, the feasibility is high, a required construction device is simple, the operation is convenient, the efficiency is high, the working efficiency can be improved, and the wide application prospect is achieved.

The application discloses a kind of side slope anti-skid device and use method, including connecting device, the inside of the connecting device is provided with wetting device, the outside of the wetting device is provided with covering device, the bottom of the covering device is provided with buffer device, the connecting device includes slope body, the outer surface of the slope body is fixedly connected with baffle, the application relates to the technical field of protection, the application is wetted by being provided with wetting device, when equipment is used, slope body is equivalent to side slope, rubber cylinder is inserted in the inside of slope body, water pipe is injected into the inside of rubber cylinder by connecting pipe, finally, liquid water is discharged from through hole, by injecting a small amount of water into the inside of slope body, the moisture content of soil and gravel is controlled, the soil consistency is improved, while meeting the water requirement of vegetation on side slope, soil and gravel can also be prevented from loosening due to excessive dryness, to avoid landslide.

This invention relates to the field of noodle processing technology, specifically to a type of buckwheat noodle and its preparation method. The raw materials for this noodle include sweet buckwheat flour, bitter buckwheat flour, quinoa flour, and yam flour, with the addition of gallic acid, chili straw ash extract, and appropriate amounts of salt, sodium bicarbonate, and warm water. All raw materials undergo screening and processing, and the chili straw ash extract is prepared according to a specific process. The preparation method includes eight steps: raw material pretreatment, dough mixing, proofing, rolling and cutting, pre-drying, steaming and shaping, cooling and drying, and packaging and storage. The process parameters for each step are optimized. This invention uses a combination of gallic acid and chili straw ash extract as a natural improver to solve the problems of poor elasticity, easy breakage, and mushy soup production in buckwheat noodles. It combines various grain flours to achieve nutritional balance, a chewy texture, and no chemical additives. The process is simple, suitable for industrial production, and effectively extends the shelf life.

The utility model discloses a novel oil field sewage filtering tank which comprises a tank body, a bearing plate is fixedly connected in the tank body, a storage frame is connected to the inner side of the bearing plate in a clamped mode, an ultrasonic rod is fixedly connected in the storage frame, a water outlet baffle is fixedly connected to the lower end in the storage frame, and a tank cover is arranged at the top of the tank body. An exhaust valve is fixedly connected to the interior of the tank cover, a motor is fixedly connected to the top of the tank cover, a rotating shaft is fixedly connected to the output end of the motor, and an ultrasonic rod enables the advanced oxidation technology that persulfate is activated by activated carbon to effectively reduce reaction activation energy in a system, so that the requirement for reaction conditions is low; the ammonium persulfate composite ultrasonic method can effectively regenerate the activated carbon in situ, and the regeneration efficiency of the activated carbon adsorption on the COD value of the wastewater before and after regeneration shows that the ultrasonic activation in the device has a better regeneration effect compared with other activation modes, so that the production cost of products is reduced, and the cost performance of the reaction is improved.

The invention belongs to the technical field of flour production, and particularly relates to a moisture control system and a moisture control method for flour by-products, comprising a humidifying hopper added at the end of a by-product production line, a plurality of atomizing nozzles evenly arranged in the humidifying hopper, the atomizing nozzles connected to a water supply system through a connecting pipe, a solenoid valve provided on the connecting pipe, the humidifying hopper connected to an inspection screen and an intermediate weighing scale in sequence, the by-products enter the humidifying hopper, the atomizing nozzles spray and humidify the by-products in the humidifying hopper through the water supply system, the humidified by-products enter the inspection sieve, the inspection sieve sieves the by-products, qualified flour passes through the sieve holes and passes through the intermediate weighing scale, the intermediate weighing scale is used for online flow measurement, and then the by-products are manually sampled, the sampled by-products are manually measured for humidity through a testing device, and the water supply of the water supply system is controlled according to the humidity measurement value, so that the humidity of the by-products reaches a target value.

A microwave drying device for reducing the water content of dam filling soil in situ comprises a chassis, a cab and a power unit, a connecting frame is arranged at the front end of the chassis through a hydraulic supporting system, a bulldozing knife is arranged at the front end of the connecting frame, a microwave drying unit is arranged on the upper portion of the connecting frame, and a soil rotary overturning device is arranged at the rear end of the chassis. The microwave drying unit, the soil material rotary turning device and the hydraulic supporting system are electrically connected with a PLC control unit installed in a cab. The drying power and the running speed are coordinated through the PLC control unit, the actual moisture content of the field soil material is accurately controlled, the problems that the moisture content of the soil material is too large and a large number of mechanical equipment and workers are lost due to interference of weather factors are solved, and the problem that the construction progress of the soil material in rainy weather areas is slow is solved.

The utility model discloses an energy-saving and efficient tobacco field organic waste treatment system. Relates to the technical field of organic waste treatment. The pretreatment assembly comprises a sieve plate and a vibration motor, the sieve plate is connected and arranged above the first collecting tank in a step shape, a plurality of sieve holes are formed in the sieve plate, and the vibration motor is arranged in the fermentation barrel; the stirring assembly comprises a rotating motor and a stirring rod, the rotating motor is arranged in the fermentation barrel, and stirring blades are arranged on the stirring rod; the number of the water tanks is two, a water pump is arranged in each water tank, each water pump is communicated with the interior of the fermentation barrel through a telescopic pipeline, and a spray head is arranged on the side, away from the water pump, of the telescopic pipeline. By arranging the sieve plate and the vibration motor, impurities and foreign matters contained in organic wastes such as tobacco stems can be removed; organic wastes such as tobacco stems are stirred by arranging the stirring assembly; the water tank is arranged to supplement water, so that the composting fermentation efficiency is improved.

The utility model discloses a kind of beef cattle forage crushing devices, the utility model relates to livestock breeding equipment field, scheme includes: a kind of beef cattle forage crushing device, including: rack;Crushing cavity, crushing cavity is installed on rack;Crushing assembly, crushing assembly is at least partially installed in crushing cavity, and crushing assembly can crush forage;Conveying cavity, conveying cavity is installed at the bottom end of crushing cavity, one end of conveying cavity is communicated with crushing cavity, and the other end of conveying cavity is provided with discharge port, and the bottom wall of conveying cavity is provided with a plurality of screening channels along extension direction;Conveying assembly, conveying assembly is at least partially installed in conveying cavity, and conveying assembly can transmit crushed forage;Collecting cavity, collecting cavity is installed at the bottom end of conveying cavity, and collecting cavity is communicated with a plurality of screening channels;It can be discharged by non-gravity-dependent forage design, solve the problem that soft filter screen is blocked and blocked due to material accumulation deformation.

The invention discloses an electrode lithium supplementing method and a preparation method of a lithium battery, and the electrode lithium supplementing method comprises the following steps: S1, pre-lithiation of a negative plate: in an inert gas atmosphere, putting the negative plate into an electrolyte with the water content of less than 200ppm for charging, when the negative plate is charged, the current multiplying power is 0.1 C-3C, and the moisture content in the inert gas atmosphere is less than 500ppm, so that an SEI film is formed on the surface of the negative plate; and S2, performing film pressing on the negative plate: performing drying treatment on the negative plate, and performing film pressing and coating on the surface of the negative plate. The lithium supplement effect can be improved, the production cost is reduced, the pole piece transportation safety is improved, and the lithium battery performance is improved.

The utility model provides phosphogypsum base course mixture production integrated equipment, including crusher, mixing machine and support platform, be equipped with conveyer between crusher and mixing machine, support platform top is equipped with a plurality of storage tanks, the cement and solidifying agent are stored in the storage tank, the storage tank passes through feed pipe and is connected mixing machine, support platform's bottom is equipped with operation groove, all be equipped with sensor in conveyer and feed pipe, and the sensor is used for detecting the component of the material that sends in. The utility model discloses simple operation is convenient for the process of phosphogypsum construction mixing and sprays water mist or liquid solidifying agent, and then it is convenient for the moisture content of mixture to control, when spraying, it is more uniform, thereby it is convenient for the water or liquid solidifying agent of adding and mixing evenly, guarantees mixing efficiency and quality.

The present application relates to the technical field of artificial board preparation, and specifically discloses a wood chip efficient hot air drying device, which comprises a drying cylinder and a hot air source, the center of the end surface of the drying cylinder is provided with a disc, a hot air duct connected with the hot air source is arranged through the drying cylinder, a hollow rotating pipe is rotatably arranged on the outer wall of the hot air duct, a plurality of material scraping plates are uniformly arranged on the hollow rotating pipe, a material dropping port is formed on one end of the material scraping plate close to the hollow rotating pipe, and a material scattering plate sealing the lower end of the material dropping port is rotatably connected to one end of the lower end of the material dropping port close to the hollow rotating pipe; the wood chip efficient hot air drying device changes the internal structure of the traditional drum dryer, so that the wood chips can be dried faster, the drying uniformity of all wood chips can be improved, the drying effect of all wood chips is ensured, compared with directly passing in the axial hot air, the contact time of the hot air and the wood chips can be prolonged, and the heat energy loss in the hot air drying process can be reduced.

The present invention provides a coke oven tail gas dehydration treatment device and a treatment method thereof. Before the coke oven tail gas is used, the coke oven tail gas is firstly heat exchanged in a heat exchanger B, then sequentially enters a spray tower A and a spray tower B for cooling by spraying spray liquid, and finally sequentially enters a rotary dehumidifier A and a rotary dehumidifier B for dehumidification before entering a fuel gas pipeline network, thereby effectively controlling the temperature and moisture content of the coke oven tail gas, and can effectively reduce the potential safety hazards when the coke oven tail gas is used. The present invention uses a common heat exchanger B to exchange heat during the dehydration process and the water desorption process. At the same time, heat exchange is achieved between the fresh air introduced in the water desorption process and the exhausted air through the heat exchanger A, so that in the whole process, there is no need to introduce a new heat source to achieve water desorption of the rotary dehumidifier A and the rotary dehumidifier B, thereby achieving full utilization of the heat energy in the coke oven tail gas.

The utility model relates to the technical field of printing and dyeing pre-wetting devices, and discloses a textile printing and dyeing pre-wetting device which comprises a clear water tank, a pressing roller arranged in the clear water tank, a swinging assembly and a pushing assembly arranged in the clear water tank, and a water squeezing assembly arranged on the clear water tank. The swing assembly comprises swing frames, first rotating rollers used for allowing cloth to penetrate through are oppositely arranged between the swing frames, the swing assembly further comprises a first driving part, and the first driving part is used for driving the swing frames to horizontally move in a reciprocating mode. The pushing assembly comprises pushing frames, second rotating rollers used for allowing the cloth to penetrate through are oppositely arranged between the pushing frames, the pushing assembly further comprises a second driving piece, and the second driving piece is used for driving the pushing frames to vertically move in a reciprocating mode. The cloth between the guiding-in roller and the pressing roller can swing in clear water through the swing assembly, the cloth is pushed to move downwards in cooperation with the pushing assembly, so that the bent cloth is straightened, impurities on the cloth can well fall off, and subsequent printing and dyeing treatment on the cloth is facilitated.