16297results about "Textiles and paper" patented technology

The present invention provides a multi-drum washing machine, comprising a first drum, a second drum, and an electric heating system. The electric heating system is capable of generating a hot air flow, and the hot air flow of the electric heating system can be delivered to the first drum and / or the second drum simultaneously or separately. The multi-drum washing machine also comprises a first drum and a heat pump system. The heat pump system is capable of generating a hot air flow, and the hot air flow of the heat pump system can be delivered to the first drum. Compared with the prior art, the multi-drum washing machine described in the present invention uses a common electric heating system for drying the first and second drums, thereby reducing the manufacturing cost and space occupied by the multi-drum washing machine. The first drum uses the heat pump system for drying, avoiding the need for three drums to be dried simultaneously using a single drying system, thereby improving the drying effect of the clothes, shortening the drying time, and enhancing the user experience.

A laundry appliance including a cabinet, a tub, and a drum. The tub is positioned inside the cabinet. The tub includes a front tub wall having a front tub opening, a rear tub wall, and a tub sidewall that extends between the front tub wall and the rear tub wall. The drum is rotatably supported within the tub. The drum includes a front drum opening, a rear drum wall, a drum sidewall that extends between the front drum opening and the rear drum wall, and a laundry compartment positioned inside the drum that is accessible through the front drum opening. An air gap is positioned radially between the tub sidewall and the drum sidewall. At least one heating element is positioned on or in the tub sidewall to heat the tub sidewall and therefore air flowing through the air gap.

The utility model is suitable for the technical field of household appliances, and provides a drying module and clothes processing equipment, the drying module comprises a base assembly and a moisture absorption and exhaust system, the base assembly comprises a base and an upper cover which are detachably connected, the base comprises a bottom plate and a first side plate arranged on the bottom plate, and the upper cover is connected with the end face of the first side plate; the moisture absorption and exhaust system comprises a moisture absorption and exhaust shell and a moisture absorption and exhaust part rotationally arranged in the moisture absorption and exhaust shell, at least one part of the moisture absorption and exhaust shell and the moisture absorption and exhaust part are arranged in the main drying air duct, and the rotating central axis of the moisture absorption and exhaust part is parallel to the air direction in the main drying air duct. At least part of the moisture absorption and exhaust part in the drying module is arranged in the main drying air duct, the rotating central axis is parallel to the wind direction of the main drying air duct, the drying module is high in wind passing efficiency and small in wind resistance, and a complex isolation sealing structure is not needed between the main drying air duct and the moisture absorption and exhaust system. The clothes processing equipment has the advantages of being high in drying speed and low in energy consumption.

The utility model is suitable for the technical field of household appliances, and provides a moisture absorption and exhaust system, a drying module and clothes processing equipment, the moisture absorption and exhaust system comprises a moisture absorption and exhaust shell and a rotatable moisture absorption and exhaust part arranged in the moisture absorption and exhaust shell, and the moisture absorption and exhaust part comprises a moisture absorption part and a desorption part; a first opening and a second opening which are communicated through a moisture absorption part are formed in the end faces, along the two axial sides of the moisture absorption and exhaust part, of the moisture absorption and exhaust shell, and an air inlet duct part and an air outlet duct part which are located on the two axial sides of the desorption part and communicated through the desorption part are further arranged on the end faces, along the two axial sides of the moisture absorption and exhaust part, of the moisture absorption and exhaust shell. The outer air guide face gradually inclines towards the desorption part in the direction facing the central axis of the moisture absorption and exhaust part and is used for guiding air in the main drying air channel to reach the moisture absorption part of the moisture absorption and exhaust assembly and / or guiding air flowing out of the moisture absorption part, it is avoided that air vortexes are generated in the main drying air channel, wind energy loss is caused, the air passing speed of the moisture absorption and exhaust system is guaranteed, and the service life of the system is prolonged. The water desorption efficiency is ensured, the energy consumption is reduced, and the drying efficiency is improved.

The utility model is suitable for the technical field of household appliances, and provides a moisture absorbing and discharging system, a drying module and clothes processing equipment, the moisture absorbing and discharging system comprises a moisture absorbing and discharging part, a moisture absorbing and discharging shell and a second driving part, the moisture absorbing and discharging part is arranged in the moisture absorbing and discharging shell, and a first opening and a second opening are formed in the moisture absorbing and discharging shell; the first opening and the second opening are used for exposing different parts of the moisture absorbing and discharging part respectively, the second driving part is fixed to the side, provided with the first opening, of the moisture absorbing and discharging shell and connected with the moisture absorbing and discharging part, the second driving part is used for driving the moisture absorbing and discharging part to rotate, and the second driving part deviates from the first opening in the radial direction; the shielding area of the second driving part to the first opening can be reduced, the drying airflow of the moisture absorption and exhaust part is prevented from being shielded, the moisture absorption and exhaust part has the larger air passing area and adsorption area, the air speed loss is reduced, and the clothes processing equipment is high in drying efficiency and low in energy consumption.

A dryer including: a drum; a duct connected to the drum; a compressor connected to an evaporator and a condenser provided inside the duct; a heater provided inside the duct; a fan provided inside the duct; a motor to rotate the fan; and a controller configured to perform a first operation of operating the compressor, the heater, and the motor based on no object being inside the drum, and a second operation of operating the heater and the motor without operating the compressor. The dryer may sterilize the inside of the dryer, particularly, a flow path through which humid air passes.

Devices, systems, and methods for autonomously shuffling a plurality of platters through a plurality of tiered folding bays are described. Each of the platters includes a platter coupling, and the plurality of tiered folding bays each include a bidirectionally driven receiving coupling, at least one of a sliding folding rod and blade, and a lifting mechanism configured to separate the platter coupling from the receiving coupling. The system includes a loading elevator for loading a platter and unfolded laundry article disposed thereon into a bay, and an unloading elevator for lowering a platter and a folded laundry article thereon to an unloading station for handing off to packing. A return conveyor returns each emptied platter to a repositioning station for receiving another spread laundry article for folding. The loading elevator, unloading elevator and each of the plurality of folding bays includes a pair of driven conveyors for transferring platters.

The utility model relates to a clothes dryer which comprises a roller assembly and a clothes dryer, the roller assembly comprises a first driving part and an inner barrel with a clothes containing space, and the inner barrel rotates under the driving force of the first driving part; the rear cover is adjacent to the inner cylinder, a gap exists between the rear cover and the inner cylinder, the rear cover is provided with a first air guide channel which is communicated with the inner cylinder space, and a second air inlet is formed in the end, away from the inner cylinder, of the first air guide channel; the base is provided with a containing space, a first air outlet is formed in the end, close to the rear cover, of the containing space, the rear cover is connected to the first air outlet in a sealed mode, and the first air outlet is matched with the second air inlet. Under the driving action of the second driving part, air in the containing space flows through the first air guide channel from the first air outlet and the second air inlet and then enters the inner cylinder space. According to the clothes dryer, no obstruction exists when airflow in the containing space enters the air inlet channel, the flowing speed and flow of the airflow in the clothes dryer are increased, and the drying efficiency of clothes in the inner barrel is further improved.

A clothes drying device, including an air channel, an air path switching assembly, multiple clothes drying apparatuses, and multiple heating apparatuses. The air path switching assembly includes a first multi-position switching component and a second multi-position switching component. The first multi-position switching component and the second multi-position switching component are respectively provided between a hot air input section and intermediate heat source sections and between a hot air output section and the intermediate heat source sections; the first multi-position switching component and the second multi-position switching component have the same number of switching positions and are configured to work in conjunction to each other so that at least one clothes drying apparatus is selectively communicated with the corresponding hot air input section, the hot air output section, and the intermediate heat source sections so as to form a circulation loop.

The utility model is suitable for the technical field of household appliances, and provides a drying module and clothes processing equipment, the drying module comprises a moisture absorption and discharge system and a heat pump system, the moisture absorption and discharge system comprises a moisture absorption and discharge part and a moisture absorption and discharge shell, one axial end face of the moisture absorption and discharge shell is provided with a first opening, and the other axial end face of the moisture absorption and discharge shell is provided with a second opening; a first opening is formed in one axial end face of the moisture absorbing and discharging shell, a second opening is formed in the other axial end face of the moisture absorbing and discharging shell, the first opening and the second opening are communicated through the moisture absorbing and discharging part in the axial direction of the moisture absorbing and discharging part, and a first heat exchanger of the heat pump system is arranged on the upstream of the first opening in the wind direction. The second heat exchanger is arranged on the downstream of the second opening and used for exchanging heat with air which passes through the moisture absorption and exhaust part and is used for drying clothes, the air can vertically penetrate through the moisture absorption and exhaust part, the moisture absorption and exhaust part has a larger air passing area and is used for absorbing moisture, the loss of the air speed is reduced, and the dehumidification efficiency and the drying efficiency are improved.

The invention discloses an insulating tape for a new energy battery and a preparation method of the insulating tape, and relates to the technical field of new energy battery assemblies. The insulating tape for the new energy battery is prepared by coating pretreated glass fiber cloth with a coating, the coating is prepared from the following raw materials in parts by weight: 15 to 20 parts of modified polyimide resin, 2 to 4 parts of epoxy resin E-51, 71 to 77 parts of an ethanol / butanone mixed solvent, 3 to 5 parts of modified nano silicon dioxide, 0.2 to 0.4 part of a silane coupling agent KH-550, 0.1 to 0.3 part of polydimethylsiloxane, 0.1 to 0.2 part of paraffin-based mineral oil and 0.3 to 0.5 part of triethylene tetramine. The glass fiber cloth pretreatment material comprises deionized water and a 5%-8% sodium hydroxide solution. The insulating adhesive tape for the new energy battery contains the modified polyimide resin, so that the high temperature resistance and electrolyte resistance of the adhesive tape can be enhanced, the insulativity is improved, and the modified nano silicon dioxide is good in dispersity. The preparation process is fine, the glass fiber cloth is fully pretreated, the preparation process is standard, and the use requirements of new energy batteries can be met.

The embodiment of the invention discloses an anomaly detection method for fabric processing equipment, electronic equipment and the fabric processing equipment, and belongs to the technical field of intelligent detection and fault diagnosis of household appliances. The anomaly detection method for the fabric processing equipment comprises the following steps: acquiring sound characteristic data and vibration characteristic data of the fabric processing equipment in operation in real time; comparing the sound feature data and the vibration feature data with normal feature distribution in the digital twinborn model to obtain a difference measurement index; in combination with the current working condition of the fabric treatment equipment, a preset abnormity judgment threshold value is dynamically adjusted; and determining whether the fabric processing equipment is abnormal or not according to the difference measurement index and the adjusted abnormality judgment threshold value. According to the embodiment of the invention, the detection accuracy under diversified working conditions is improved, and the real-time performance and reliability of equipment state monitoring are ensured through the dynamic updating capability of the digital twin model, so that major faults and potential safety hazards are effectively avoided.

The utility model relates to a clothes dryer which comprises a roller assembly and a clothes dryer, the roller assembly comprises a first driving part and an inner barrel with a clothes containing space, and the inner barrel rotates under the driving force of the first driving part; a gap is formed between the rear cover and the inner cylinder, and the rear cover is provided with a first air guide channel; the machine shell comprises a front plate and a base, the front plate is provided with a second air guide channel, and the base is provided with a containing space. Wherein the accommodating space, the first air guide channel, the inner cylinder space and the second air guide channel form an air channel; and under the driving action of the second driving part, circulating air flow which sequentially flows through the accommodating space, the first air guide channel, the inner cylinder space and the second air guide channel is formed in the air channel. The air duct of the clothes dryer can greatly reduce the loss of heat energy, so that the drying efficiency is improved, and the power consumption is reduced.

The invention belongs to the technical field of intelligent household appliances, and particularly relates to a water inlet control method, device and equipment of clothes treatment equipment and a storage medium. After the clothes weight and the fabric material of the clothes in the inner drum are obtained, the water absorption rate of the clothes is determined according to the clothes material, then the clothes weight and the water absorption rate of the clothes, a washing program selected by a user and an expected water level height value are comprehensively considered, the washing water consumption needed in the treatment process of the clothes is determined, and finally the water consumption is reduced. And controlling the clothes processing equipment to execute water inlet operation according to the washing water consumption. According to the method, the problem that the water level cannot reach the preset water level height after primary water inflow due to inaccurate calculation of the primary water inflow is solved, the problem that the water inflow time is prolonged due to the fact that a water inflow program needs to be started for the second time to complement the water level is solved, and the operation efficiency and the user experience of the clothes treatment equipment are improved.

A molded body for a pre-compression tool for pressing three-dimensional preforms made of a fiber-containing material and a pre-compression station with a pre-compression tool having at least one molded body are described, wherein the molded body consists of a deformable material and has a shell which essentially reflects the geometry of a preform to be pressed, wherein the molded body has at least one support structure made of deformable material which is integrally formed with the shell.

The utility model relates to a clothes dryer which comprises a roller assembly and a clothes dryer, the roller assembly comprises a first driving part and an inner barrel with a clothes containing space, and the inner barrel rotates under the driving force of the first driving part; the rear cover is provided with a first air guide channel, and the first air guide channel is communicated with the inner cylinder space; the machine shell comprises a front plate, a base and a rear plate, the front plate is provided with a second air guide channel, one end of the second air guide channel is communicated with the inner cylinder space, and the base is provided with a containing space; the second driving part is connected to the base and located in the containing space, and under the driving action of the second driving part, air sequentially flows through the first air guide channel, the inner cylinder space, the second air guide channel and the containing space to form circulating air flow; the rear cover is located between the rear plate and the inner cylinder. The clothes dryer can greatly reduce heat loss of hot air in the air duct, has a heat preservation effect on the rear cover, can reduce noise generated during operation of the clothes dryer, and further improves drying efficiency and reduces power consumption.

The invention relates to the technical field of yarn processing, and provides a high-twist yarn twisting processing device and method.The high-twist yarn twisting processing device comprises a yarn twisting mechanism, a processing mechanism and a winding mechanism, the processing mechanism comprises a base frame and a mounting part, two rubbing parts are oppositely arranged on the mounting part, and each rubbing part comprises a hollow steam section; first steam outlet holes and pricking needles are uniformly distributed on the steam section, and second steam outlet holes are formed in the pricking needles; high-twist yarn is rubbed through the two rubbing pieces, so that the pricking needles continuously pierce into the yarn, steam is conveyed into the steam section through the steam generator, one part of the steam is discharged to the outside through the first steam outlet holes and sprayed to the yarn, and the other part of the steam enters the pricking needles and then is discharged into the yarn through the second steam outlet holes to be discharged. Steam permeation is performed on the yarns inside and outside at the same time, and the yarns are rubbed to further promote steam permeation, so that the steam treatment efficiency and effect of the high-twist yarns are greatly improved.

The application discloses a sealing cover structure of a liquid storage box, which is installed at a delivery opening of the liquid storage box, and normally seals the delivery opening to form a closed chamber for storing additives in the liquid storage box. An identification device is arranged on the sealing cover structure to identify the type and / or amount of the additives in the liquid storage box. The application also provides a delivery device, wherein the delivery opening of the liquid storage box is provided with the sealing cover structure. The delivery device further comprises a delivery unit, which is connected to the inside of the liquid storage box through the sealing cover structure. Meanwhile, the application also provides a clothes treatment apparatus, which is provided with the delivery device to automatically deliver the additives. Through the above arrangement, the type and / or amount of the additives in the liquid storage box can be accurately identified based on the identification device.

The invention relates to the technical field of clothing care, in particular to clothing care equipment and a control method thereof, and aims to solve the problem that existing clothing care equipment is low in clothing material recognition accuracy. In order to achieve the purpose, the material of clothes is determined based on a clothes image; determining a weight change rate threshold value and a humidity change rate threshold value corresponding to the clothes based on the clothes material; when the clothes processing equipment conducts drying work, the actual weight change rate of clothes within first preset time and the actual humidity change rate in the containing cavity are calculated; according to the comparison result of the actual weight change rate and the weight change rate threshold value and the comparison result of the actual humidity change rate and the humidity change rate threshold value, the clothes material is selectively corrected. According to the control method, after the drying program runs, the material of the clothes is corrected in real time according to the weight change rate and the humidity change rate, so that the accuracy of the material of the clothes is guaranteed.

A laundry appliance includes a cabinet defining an opening. A drum is disposed within the cabinet and defines a processing space. A blower directs process air through an airflow path that includes the drum. A door is operably coupled to the cabinet. The door is operable to an open position that provides selective access through the opening and into the drum. A foreign particulate collector is operably coupled to the door. The foreign particulate collector includes a collection material configured to collect foreign particulates within the drum.

The utility model discloses a multifunctional clothes washing cabinet with an ironing board, which relates to the technical field of clothes washing cabinets and comprises a cabinet body and the ironing board, a second sliding frame is slidably arranged on the outer side of the ironing board, a first limiting mechanism is arranged in the ironing board, first sliding frames are symmetrically arranged at positions, corresponding to the lower part of the second sliding frame, in a placing groove, and the first limiting mechanism is arranged in the first sliding frame. A bearing plate is slidably arranged between the inner sides of the two first sliding frames, a mounting pipe is fixedly arranged at one end of the bearing plate, and a second limiting mechanism is arranged in the mounting pipe. The ironing plate is arranged on the inner side of the second sliding frame in a sliding mode, so that an ironing position is conveniently provided when clothes are ironed, the first limiting mechanism is arranged, the ironing plate can be fixed when the ironing plate is in a storage state and a use state, the ironing plate is prevented from sliding when the clothes are ironed, and the ironing effect is improved. And the bearing plate is slidably arranged between the two first sliding frames, so that the washing machine body can be quickly moved out of the interior of the placing groove.

A thermal transfer system for an appliance includes a first blower that delivers process air through an airflow path. A first vapor compression loop delivers internal thermal energy via a first flow of media from a first evaporator and to a condenser that are within the airflow path. A second vapor compression loop delivers ambient thermal energy via a second flow of media from a second evaporator that is outside the airflow path to a thermal exchange structure within the airflow path. A second blower directs ambient air over the second evaporator for capturing ambient thermal energy. The first blower directs the process air over the thermal exchange structure to deliver ambient thermal energy to the condenser to define a preheat sequence of the condenser. Further, the internal thermal energy and the ambient thermal energy are delivered by the process air to a processing space.

The invention belongs to the technical field of washing and protecting equipment, and particularly relates to a closed heat pump clothes drying washing and drying machine which comprises a main air duct, a rotating wheel dehumidification device, a dehumidification channel and a bypass air duct. An evaporator, a heat exchanger and a condenser are arranged in the main air duct; the dehumidification channel conducts dehumidification on the dehumidification area, exhausted gas is introduced into the heat exchanger to serve as a heat exchange medium, and the heat exchanger can heat the gas exhausted by the evaporator. In the initial stage of drying, when the bypass air duct is opened, part of return airflow of the return air inlet of the drying roller bypasses the evaporator through the bypass air duct for heat exchange at the heat exchanger, the temperature rise speed is higher, and the drying efficiency is improved. In the later drying stage, when the bypass air duct is closed, air flow of an air return opening of the drying roller completely passes through the evaporator, heat of the dehumidification channel, waste heat of the return air of the roller of the bypass air duct and waste cold of the evaporator are utilized to enable the return air of the roller to be dehumidified once and preheated twice before the return air is recycled into the condenser to be heated, and the dehumidification efficiency is improved; the heat pump load pressure and the energy consumption are reduced.

The utility model discloses an adsorption type standing rod structure for a clothes hanger and the clothes hanger. The adsorption type standing rod structure comprises a ground supporting rod and a suction cup structure. The ground supporting rod is used for supporting the clothes airing assembly; the suction cup structure comprises a suction cup base and an elastic deformation adsorption body. The ground supporting rod is connected with the suction cup base, and an embedding groove which is sunken in the vertical direction is formed in the outer edge of the suction cup base; and the outer edge of the elastic deformation adsorption body is provided with a protruding part protruding in the vertical direction, the elastic deformation adsorption body is installed at the bottom of the suction cup base, the protruding part is embedded in the embedding groove, the elastic deformation adsorption body can deform, and therefore negative pressure adsorption force for adsorbing the suction cup structure to the floor is generated. The suspended ceiling can be prevented from being broken or crushed by the ground supporting rod, and the phenomenon of safety accidents caused by toppling of the ground supporting rod can be avoided.

The utility model discloses a high-low pressure conversion structure of a composite elasticizer, which comprises a low-pressure header pipe, a high-pressure header pipe, a low-pressure drainage pipe, a high-pressure drainage pipe, a first air supply pipe and a second air supply pipe, a first filtering bubble bottle is arranged at the air inlet end of the first air supply pipe, and a second filtering bubble bottle is arranged at the air inlet end of the second air supply pipe. A low-pressure airflow adjusting device is arranged at the air outlet end of the low-pressure drainage pipe, and a high-pressure airflow adjusting device is arranged at the air outlet end of the high-pressure drainage pipe. Pressure gas output by the low-pressure drainage pipe and the high-pressure drainage pipe can be conveyed into any one of the first filtering bubble bottles or the second filtering bubble bottles through the low-pressure gas flow adjusting device and the high-pressure gas flow adjusting device respectively. The first air supply pipe and the second air supply pipe can simultaneously and independently supply air through the low-pressure air flow adjusting device and the high-pressure air flow adjusting device. The problem that two surfaces of one composite elasticizer cannot be simultaneously produced when different pressure varieties are processed can be solved, the cost is low, and the practicability is high.

The invention discloses a paper-plastic mold positioning auxiliary system capable of monitoring hydraulic pressure in real time through an AI. The paper-plastic mold positioning auxiliary system comprises an AI control center, a hydraulic monitoring unit, an air pressure monitoring unit, a positioning auxiliary execution unit, an abnormity protection unit and a data acquisition and transmission module. The hydraulic monitoring unit is used for collecting hydraulic oil cylinder pressure, temperature, hydraulic oil viscosity and equipment operation duration data; the air pressure monitoring unit collects air pressure, flow and valve delay time data of a pipeline valve; the data acquisition and transmission module transmits data to the AI control center, and the AI control center analyzes abnormity through a model and calculates a correction amount; the positioning auxiliary execution unit coordinates the positioning of the servo motor and the hydraulic oil cylinder; and the abnormal protection unit receives the early warning and starts a protection action. The system solves the problems of hydraulic monitoring lag and the like, realizes hydraulic and air pressure cooperative monitoring and positioning compensation, ensures production coherence and equipment safety, and is adaptive to automatic production of paper-plastic molds.

The invention relates to the technical field of multi-drum washing machines, in particular to a dehydration control method of a multi-drum washing machine and the multi-drum washing machine, and aims to solve the problem that when two or more washing drums of an existing multi-drum washing machine enter a dehydration procedure, dehydration requirements conflict exists between the two or more washing drums. In order to achieve the purpose, the dewatering control method comprises the steps that whether a plurality of washing drums are small drums or not is judged; when the plurality of washing drums are all small drums, the plurality of washing drums are controlled to independently execute dehydration operation; and when at least one of the plurality of washing drums is a large drum, controlling one or a group of washing drums to perform dehydration operation, and stopping the other washing drums or rotating at a low speed or rotating reversely. According to the invention, the dewatering sequence under the condition that the dewatering stages of the plurality of washing drums are overlapped is limited, so that the resonance of the whole machine caused by mutual dewatering conflicts can be avoided, the washing effect is ensured, and the washing efficiency can be improved.

A self-cleaning method of a washing machine comprises the steps that after each washing procedure is finished, a system automatically detects the real-time humidity and the residual dirt concentration of an inner container of the washing machine, if the humidity is higher than a preset threshold value and the dirt concentration exceeds a datum line, an ultraviolet disinfection process is automatically triggered, UV-C lamp tubes installed on the top and the side wall of the inner container are started for irradiation sterilization, and the ultraviolet disinfection process is stopped; the duration time is 10-30 minutes, the built-in water flow nozzle module is activated in a set period or when a high dirt accumulation level is detected according to dynamic adjustment of the environment temperature and humidity and the use frequency, and the wall face of the inner container, the door seal ring and the drainage pipeline are flushed in all directions through high-pressure pulse water flow. According to the invention, the fundamental conversion from passive response to active prevention is realized, the equipment can perceive the environmental state of the inner container in real time by integrating a multi-dimensional sensor network and an AI prediction model, trend pre-judgment is carried out based on big data of user use habits, water quality conditions and washing modes, and a cleaning program is started when pollution does not appear so as to nip in the bud.

The invention belongs to the technical field of polyurethane resin, and provides polyurethane resin, polyurethane synthetic leather and a preparation method and application thereof. The preparation raw materials of the polyurethane resin comprise the following components: 9%-23% of first bio-based polyol, 3%-18% of a polyurethane intermediate, 0.005%-0.02% of a first antioxidant, 0.001%-0.003% of a first catalyst, 3-6% of first isocyanate, 0.5%-2% of a first chain extender, 0.01%-0.05% of a first terminator, 0.01%-0.05% of a first anti-visbreaking aid, 0.7%-2.2% of an astringent aid, 0.5%-3% of a polyether aid and 50%-70% of a first solvent. The first bio-based polyol includes a bio-based polytrimethylene ether glycol and a bio-based polycarbonate glycol. The preparation raw materials are all derived from bio-based materials, and the polyurethane synthetic leather is soft in texture, good in astringent feeling and excellent in strength and hydrolysis resistance.

The utility model discloses a drainage module and clothes treatment equipment. The drainage module comprises a first valve seat and a second valve seat, the plurality of communicating channels are communicated with the water outlets of the plurality of barrels in a one-to-one correspondence manner; the valve elements are installed on the first valve seat, arranged in the communicating channels in a one-to-one correspondence mode and used for opening and closing the corresponding communicating channels.