39results about How to "Fast drain" patented technology

The invention discloses a leaking stoppage reinforcing agent comprising the following components in parts by weight: 20-30 parts of sodium silicate, 20-30 parts of phenolic resin, 30-50 parts of calcium carbonate, 1-5 parts of potassium silicate, 1-5 parts of sodium sulfite, 0.5-3 parts of polyacrylamide (PAM), 0.5-3 parts of sodium carboxymethylcellulose CMC-LV and 0.5-3 parts of hydroxyethyl cellulose (HEC). According to a conventional preparation method, the materials are added into a kneading machine in sequence in parts by weight at normal temperature and under normal pressure and then are uniformly mixed and stirred, and then the mixture is crushed into granular products, of which the particle size is 0.01mm-0.3mm, after being dried. The leaking stoppage reinforcing agent disclosed by the invention has the characteristics of easily available raw materials, scientific and simple process, safe construction, capability of reinforcing the wall of a leakage stratum well, capability of being added into different types of leaking stoppage slurry when being used together with other materials for reinforcement, capability of improving the reinforcing performance of leaking stoppage slurry and the like, and is widely applied to petroleum and geological drilling engineering.

The invention discloses a warm-keeping sweater containing modified polyester fiber, which is woven from blended yarn. The blended yarn comprises modified polyester fiber, modal fiber and viscose fiber which are doubled and twisted into the blended yarn at 320t / m. The processing of the sweater comprises the steps of: dyeing: heating dyes in a dye bath to 86-88 DEG C at the temperature rising rate of 0.6DEG C / min, dyeing and then fully rinsing the dyed blended yarn; weaving the dyed blended yarn into woven pieces of the sweater on a weaving machine, carrying out looping, flat sewing, hand sewing, washing and drying, wherein a rolling type dryer is used for drying in the drying process; and setting a finished sweater product by using a setting machine after the drying treatment, wherein the temperature of the setting machine is controlled to be between 135 DEG C and 138 DEG C in the setting process,. Due to adoption of the blending and the processing technique of the sweater, the sweater clothes with fine and soft fiber and good warm-keeping effect can be weaved.

The invention discloses a production method for selenium-rich cow feed and selenium-rich milk. Selenium content of organic-selenium-rich milk is 100-500 mug / kg, and organic selenium content >=80%. The method includes that healthy cows beginning to produce milk are selected and fed with organic-selenium-rich concentrated feed for 7-10 days, and milk produced by the cows fed in the method is organic-selenium-rich milk. The organic-selenium-rich concentrated feed for producing the organic-selenium-rich milk comprises 3-10 parts of high-selenium corn starch, 3-15 parts of high-selenium broccoli powder, 25-35 parts of common corn starch, 3-7 parts of bran, 30-40 parts of wheat straw, 3-7 parts of rice chaff, 8-16 parts of cottonseed cake, 0.5-1.5 parts of bone meal, 0.5-1 part of salt and 0.5-1.5 parts of additives. The organic-selenium-rich milk is stable and controllable in selenium content, safe in form and good in absorbing effect. The selenium enriching method is easy to popularize and suitable for massive production.

The invention relates to a small-hole grinding tool of a drilling machine for correcting hole diameter. The small-hole grinding tool comprises a grinding mandrel; the grinding mandrel is a conical shaft, and the large-diameter end thereof is a clamping part; the clamping part is provided with a circular slot in the radial direction, and an open-ended steel wire ring is arranged in the circular slot; and the other side is a working part, and the working part is sleeved with an open-ended grinding sleeve in a matching way. When in use, the small-hole grinding tool is directly arranged on a chuck of the drilling machine; and the diameter of a small hole on the drilling machine which deforms and is out of round after thermal treatment and hardening is corrected under the premise of keeping the position of a traditional work piece hole, and the self-centering and automatic abrasive supply functions can be realized.

A tillage-shaft-free smash-ridging tillage implement comprises a frame and a smash-ridging transmission box. Travelling wheels are mounted at the bottom of the frame. A cab and a power device are mounted on the frame. The smash-ridging transmission box is mounted on the rear portion of the frame. Hinge arms, a hydraulic motor and hinge seats are mounted on the smash-ridging transmission box. The hinge arms are connected with the frame through hydraulic cylinders. The hinge seats are connected with the frame. Tillage-shaft-free vertical rotary blades driven by the hydraulic motor are mounted atthe bottom of the smash-ridging transmission box, and are connected with mounting seats arranged at the bottom of the smash-ridging transmission box through bolts. Each tillage-shaft-free vertical rotary blade comprises a connection plate, a plurality of arc-shaped rod cutters and a tapered drilling cutter. The arc-shaped rod cutters are evenly arranged between the connection plates and the tapered drilling cutters. The arc-shaped rod cutters are arched outwards, the upper ends of the arc-shaped rod cutters are connected with the connection plates, and the lower ends of the arc-shaped rod cutters are connected with the tapered drilling cutters. Connection holes are formed in the connection plates. The smash-ridging tillage implement free of rotary tillage shafts and spiral blade discs hashigh tillage efficiency and low energy consumption.

The invention relates to a dental ulcer membrane, in particular to a slow release type dual-layer dental ulcer membrane and a preparation method thereof. The dental ulcer membrane has a dual-layer structure, one layer is a slow-release medicine carrying layer, the other layer is a waterproof protecting layer, and the slow-release medicine carrying layer comprises the following components of a slow-release membrane formation material, medicines, a bacteriostat, a correctant, a plastifier I and a solvent I. The slow release type dual-layer dental ulcer membrane disclosed by the invention has remarkable characteristics of being long in adhesion time, and capable of preventing the medicines from being released in an opposite direction and isolating saliva and outside invasion for a long time.

The invention relates to the technical field of sesame processing, and discloses a sesame draining device for producing sesame oil. The sesame draining device for producing the sesame oil comprises abase, a working platform is fixedly arranged at the top of the base, a filter net is fixedly arranged on the side surface of an inner cavity of the working platform, a single-chip microcomputer is fixedly mounted at the bottom portion of the inner cavity of the working platform, a first blower is fixedly mounted at the bottom of the inner cavity of the working platform, the output end of the firstblower fixedly communicates with an air outlet pipe, the top of the air outlet pipe is fixedly communicates with an air supply hose, and a heating chamber is formed in the position, located on the left side of the first blower, of the bottom of the inner cavity of the working platform. According to the sesame draining device for producing the sesame oil, a spinning-drying device is enabled to bein a horizontal state by a second hydraulic rod when feeding of the spinning-drying device is completed, so that the sesame in the spinning-drying device is evenly distributed to facilitate the spinning-drying operation of the sesame, the cooperation of the first blower and the air supply hose, the rapid loss of moisture can be ensured when the spinning-drying device is operated, and the speed ofthe spinning-drying is ensured.

The invention relates to the technical field of agricultural machinery, and discloses a tea frying machine capable of performing automatic stir-frying and automatic temperature adjusting. The tea frying machine comprises a base, wherein a boiler body is fixedly connected to the middle part of the upper end of the base; a heating device is fixedly connected to the lower end of the boiler body; theright side wall in the base is fixedly connected with a resistance; a mounting box is fixedly connected to the upper end of the base; a motor is fixedly connected to the top of the mounting box; a worm is fixedly connected to the output end of the motor; a No. I transmission gear is meshed to the surface of the worm; a No. II threaded rod rotates, and a No. II internal threaded sleeve slowly movesfrom the topmost end to the bottommost end; when the water content of tea leaves is large, the power of the heating device is large, so that moisture in the tea leaves can quickly run off; when the water content of the tea leaves is reduced, the power of the heating device is small, so that the tea leaves can be slowly shaped, the temperature can be automatically adjusted according to the stir-frying characteristics of the tea leaves, and the effect that the stir-fried tea leaves are better in quality is achieved.

The invention provides an airing device for agricultural product processing. The airing device comprises supporting legs for supporting equipment, a supporting chassis and a movable air suction airing mechanism for airing peanuts, the surfaces of the supporting legs are fixedly connected with the supporting chassis, the movable air suction airing mechanism is arranged on the supporting chassis, and the airing device relates to the field of agricultural product processing. According to the airing device for agricultural product processing, a special structure capable of sucking wind from the bottoms of peanuts to promote quick loss of moisture on the surfaces of the peanuts and turning over the peanuts at high frequency is designed according to the problems that in the existing peanut airing process, the peanuts are uneven in aspects and pits on the surfaces of the peanuts adsorb moisture; therefore, the problems that a common peanut airing device is poor in wind power circulation performance, the contact faces of peanuts and the device are difficult to make full contact with wind power, the interiors of peanut pits are prone to adsorbing water vapor, and the peanut airing efficiency is affected to a certain degree are effectively solved.

The invention discloses efficient graphite drying equipment. The efficient graphite drying equipment comprises a treatment box, wherein a support is fixed to the bottom of the treatment box; a feedingopening is formed in the side wall of the treatment box in a penetrating mode, an air inlet pipe is arranged at the bottom of the treatment box in a penetrating inserting mode, and an exhaust pipe isarranged at the side wall of the treatment box in a penetrating inserting mode; a rotating shaft is rotationally connected to the inner wall of the treatment box, and a plurality of scraping plates are fixed to the circumferential side wall of the rotating shaft; and an electrostatic generator communicating with the interior of the air inlet pipe is fixed to the outer wall of the treatment box, afilter screen is fixed to the end, located inside the treatment box, of the exhaust pipe, and a separation box is fixed to the outer wall of the treatment box through bolts. The efficient graphite drying equipment has the advantages that in the flowing process of hot air flow, the scraping plates rotate under the pushing of the air flow, so that graphite powder is stirred, the situation that thegraphite powder is difficult to dry due to caking caused by damp is avoided; and the graphite powder is scattered and fall from a high position under the driving of the scraping plates, so that the contact surface between the graphite powder with the hot air flow is expanded, and the overall drying efficiency is greatly improved.

The invention relates to the technical field of food processing, and particularly relates to a vegetable protein beef preparation device based on a high-humidity extrusion method and a working method thereof. The vegetable protein beef preparation device comprises a screw extruder and a feeding hopper, wherein a liquid mixing mechanism is fixed on the upper surface of a cylinder body main body; a humidifying mechanism is arranged on one side of the liquid mixing mechanism; a color and flavor increasing mechanism is arranged on the other side of the liquid mixing mechanism; the feeding hopper is fixed at one end of the cylinder body main body; an extrusion die head is fixed at the other end of the cylinder body main body; a diffusion cover is fixed at one end, deviating from the cylinder body main body, of the extrusion die head; a cooling die is fixed at one end, deviating from the extrusion die head, of the diffusion cover. The vegetable protein beef preparation device adopts a high-humidity extrusion process, the texture of a product is completely different from that of a product extruded by a dry method, the meat quality and the fiber feeling are more similar to those of animal protein, the problem that the product is tasty is solved, the production links are reduced, and the taste of air-dried beef can be simulated.

An automatic control extinguishing device for fast sucking, discharging and spraying water belongs to an indoor automatic extinguishing device. An air change frame blade is installed indoors. The frame blade unfolds outwards by the operation of the opener. An ionization type smoke detector, a water valve and a sprayer head are installed in frame blade. A choke valve high pressure positive blower is equipped outside the floor and connected with the frame blade by an iron sheet tube. Under normal condition, the fan blade veers for ventilation and air change. When occurring the fire smoke, the ionic smoke detector sends out instructions to ask an opener motor to work, support the frame blade outwards, open the water valve to spray water for extinguishing; meanwhile, the pressure plate choke valve heavy pressure fan reverses for air suction to make the frame blade in the normal room closed automatically, independently fast sucking the harmful smoke and flame in the fire room, thus preventing the smoke and flame from spreading to the other rooms and relief passage for automatic extinguishing.

The invention relates to a method suitable for apple planting in the south. The method comprises the specific steps that firstly, garden plots where annual average temperature is 12-15 DEG C, the absolute low temperature is not lower than -25 DEG C, annual precipitation is 300-800 mm, soil is fertile, a soil layer is deep, the thickness of an active soil layer is 60 cm or above, the organic content is 1.0% or above, and the PH value of the soil is 6-7.5 is selected; necessary irrigation and drainage facilities and buildings are equipped in the garden plots; then apple varieties Honggala, Fenxing or Guoguang V are selected; malus asiatica or Xinjiang wild apples are selected as stocks; transplantation, soil fertilizer and water management, fruit tree trimming and punching, apple flower and fruit management and disease and insect pest prevention and control are performed. The problem that southern rainwater is relatively more than northern rainwater and accordingly apples contain much moisture but are not sweet can be solved. The reason is that sandy soil can make moisture rapidly lost and meanwhile root systems do not rot. The apples obtained by adopting the planting method are sweet and good in lustrousness, and good economic benefits can be brought for farmer households.

The invention discloses a new material rapid drying device, and relates to the technical field of material drying. The new material rapid drying device comprises a drying barrel body, supporting columns are fixedly connected to the four corners of the bottom of the drying barrel body, a discharging pipe is fixedly connected to the middle of the bottom of the drying barrel body, a drying barrel cover is fixedly connected to the top of the drying barrel body, and a driving motor is fixedly installed in the middle of the top of the drying barrel cover. an automatic suction machine is fixedly mounted on one side of the top of the drying barrel cover, and an exhaust pipe is fixedly connected to the other side of the top of the drying barrel cover. According to the new material rapid drying device, through the arrangement of an air extracting pump, the air extracting pipe, a spiral packing auger and a heating mechanism, new materials in the drying barrel body can be heated by utilizing the heating mechanism in an air heating mode and utilizing hot air, and meanwhile, the spiral packing auger can play a role in stirring, so that the new materials in the drying barrel body are heated moreuniformly, and the situation that materials are accumulated, airtight and difficult to dry is prevented.

The invention discloses a rainproof heat-dissipating distribution cabinet, and relates to the field of distribution cabinets. The distribution cabinet comprises a rainproof roof and a distribution box, wherein a water baffle is fixedly welded above the rainproof roof, and the inner wall of the inside of the distribution box is laterally and fixedly connected with a fixed beam; the left end of thebottom of the rainproof roof is embedded and fixedly connected with a water-cutoff tank, and a water-blocking tank is embedded and fixedly connected with the upper part of the front surface of the water baffle; the right side of the front surface of the distribution box is movably connected with a hinge, and the front surface of the distribution box is movably connected with a distribution cabinetdoor through the hinge. The rainproof heat-dissipating distribution cabinet is provided with the rainproof roof in a 'obtuse triangle' shape, and the rainproof roof is laterally and closely welded with the upper part of the distribution box; the 'triangular' rainproof roof does not reserve rain water at the top, so that when the rain water comes into contact with the 'triangular' rainproof roof the rain water can quickly flow away. The distribution cabinet is suitable for production and use in the field of rainproof heat-dissipating distribution cabinets, and has good development space.

The invention discloses a leakage-proof leak-stopping reinforcing agent, which is prepared from the following components in parts by weight: 3 to 12 parts of sodium silicate; 1-6 parts of potassium silicate; 10 to 20 parts of calcium silicate; 0.1 to 0.5 part of polyacrylamide PAM; 10 to 25 parts of calcium hydroxide; 0.1 to 1 part of low viscosity polyanionic cellulose PAC-LV; 0.1 to 1 part of water-soluble polyamide resin powder; 2-6 parts of water-soluble urea formaldehyde resin powder. A preparation method comprises the following steps: sequentially adding the above substances into a container according to the components and contents at normal temperature and normal pressure by using a conventional preparation method, uniformly mixing and stirring, and drying, crushing or sieving to obtain a granular product with the particle size of 0.05-0.8 mm. The preparation method has the advantages that the raw materials are widely avaiable; the process is scientific and simple, constructionis safe, and certain coagulation capacity is achieved; single particles are solidified together; on the basis of early-stage filling, the setting and consolidation performance of leakage well walls can be improved, the leakage stratum well walls can be reinforced, the good characteristic of repairing broken easily-leaked stratum well walls is achieved, the compounding performance with different types of plugging slurry is good, the repairing and reinforcing performance of the plugging slurry is achieved, and the leakage-proof leak-stopping reinforcing agent can be widely applied to petroleum and geological drilling engineering.

The invention discloses an air tightness detection device of an air compressor crankcase, which comprises a stable working block and a support frame, wherein two sides of the bottom of the stable working block are fixedly connected with the top of the support frame, the middle of the right side of the stable working block is fixedly connected with a vertical stabilizing column, and the top of theleft side of the vertical stabilizing column is slidably connected with a horizontal fixed stabilizing plate through a sliding block. The invention relates to the technical field of crankcase. According to the air tightness detection device of the air compressor crankcase, through united setting of a circular ring rotating sleeve, a sealing connecting rod and a sealing plate, the crankcase can notbe connected and sealed with the corresponding sealing plate, and one side of the crankcase, which is opened, is sealed directly by a fatlute layer in the sealing plate, thus the air tightness detection device is simple and convenient in operation, is suitable for large-scale detection, and solves the problems that when whether the crankcase is sealed is tested, the crankcase needs to the completely sealed by the corresponding sealing plate and then can be put into water for test, operation is tedious, which is not favorable for quick and large-scale maintenance.

The invention discloses a production method of thin-type needled flannelette and the thin-type needled flannelette prepared by the production method. The preparation method sequentially comprises the procedures of cloth boiling, dehydration, softening, primary drying, end sewing, velvet layer forming by needling, secondary drying and shearing. Glacial acetic acid is uniformly dispersed in a cloth boiling solution for cloth boiling, and the cloth boiling temperature and time are 60-96 DEG C and 20-60 min respectively; a softening solution for softening contains amino silicone oil accounting for 1.5-6% of the weight of a gray fabric and an antistatic agent accounting for 1.5-3% of the weight of the gray fabric; and the method for velvet layer forming by needling comprises the steps that the gray fabric is needled at 800-1150 times per minute in the direction perpendicular to a cloth cover, the speed is 2-5 meters per minute, and fibers are scattered through needling the gray fabric and are mutually staggered on the cloth cover to form a velvet layer, wherein the fibers all have certain elasticity. The method provided by the invention can be used for effectively preventing the fibers from being broken by needling, optimizing the touch sense and elasticity, and preventing bacteria from flowing.

The invention relates to the technical field of food processing, in particular to a plant protein beef preparation device based on a high-humidity extrusion method and its working method, including a screw extruder and a feeding hopper, and a mixed liquid is fixed on the upper surface of the main body of the barrel. mechanism, one side of the liquid mixing mechanism is provided with a humidifying mechanism, and the other side of the liquid mixing mechanism is provided with a color-enhancing mechanism, one end of the main body of the barrel is fixed with a hopper, and the main body of the barrel is An extrusion die head is fixed at the other end of the extrusion die head, a diffusion cover is fixed at one end of the extrusion die head away from the main body of the cylinder body, and a cooling mold is fixed at the end of the diffusion cover away from the extrusion die head. The invention adopts a high-humidity extrusion process, the texture of the product is completely different from that of dry extrusion, and the meat texture and fiber feel are more similar to animal protein, which solves the problem of product taste, reduces production links, and can imitate the taste of air-dried beef.

The invention relates to the technical field of silver nanowire preparation, and discloses a method and device for rapidly preparing silver nanowires, and the method comprises the following steps: 1, placing an ethylene glycol solution in a placing container, and then heating a heating pad at the lower end to remove moisture in the ethylene glycol solution; step 2, respectively dispersing FeCl3. 6H2O and CuCl2. 2H2O into the ethylene glycol obtained by the pretreatment in the step 1, and stirring; 3, dispersing polyvinylpyrrolidone in an ethylene glycol solution, stirring, and adding sodium dodecyl benzene sulfonate; and step 4, dispersing AgNO3 in the ethylene glycol solution pretreated in the step 1, and stirring. By arranging the built-in rotating plate, an ethylene glycol solution at the lower end of the built-in rotating plate is in close contact with a heat source for a period of time, so that the ethylene glycol solution is heated more easily, internal moisture is evaporated more quickly, the required requirement is met, and water vapor in the ethylene glycol solution is lost more quickly to meet the required requirement.

The invention relates to a dental ulcer membrane, in particular to a slow release type dual-layer dental ulcer membrane and a preparation method thereof. The dental ulcer membrane has a dual-layer structure, one layer is a slow-release medicine carrying layer, the other layer is a waterproof protecting layer, and the slow-release medicine carrying layer comprises the following components of a slow-release membrane formation material, medicines, a bacteriostat, a correctant, a plastifier I and a solvent I. The slow release type dual-layer dental ulcer membrane disclosed by the invention has remarkable characteristics of being long in adhesion time, and capable of preventing the medicines from being released in an opposite direction and isolating saliva and outside invasion for a long time.

The invention discloses a solar heat collecting tube, a preparation method of the solar heat collecting tube and a testing method of the solar heat collecting tube. The solar heat collecting tube is composed of two glass tubes which are equal in length and different in diameter, a phase change microcapsule material filled in an annular glass area and water fluid in an inner tube. Solar heat collection materials in the solar heat collection pipes are phase change microcapsules. According to the phase change microcapsule, a styrene-divinyl benzene copolymer / SiC composite material is used as a wall material, and n-octadecane is used as a core material. By utilizing the high thermal conductivity and the photo-thermal conversion characteristic of the nano silicon carbide particles and the high heat storage characteristic of the phase change core material, the solar heat collection tube has the functions of efficiently absorbing solar energy, quickly transmitting heat energy and storing and preserving heat when being irradiated by sunlight; the method has wide application prospects in the fields of solar heat collection devices, heat storage devices and green and environment-friendly energy devices.

The invention relates to the technical field of injection molding machines, and discloses a thermosetting intelligent injection molding machine for efficiently producing large-scale products. The thermosetting intelligent injection molding machine comprises molds, wherein an injection molding pipe is arranged on the right side of each mold, a deflection plate is rotatably connected to the inner wall of each injection molding pipe, a closing plate is rotatably connected to the left side of each deflection plate, and an ejector rod is fixedly connected to the side surface of each deflection plate; and a magnetism isolating plate is arranged on the left side of each bearing plate, a magnet is arranged on the left side of each magnetism isolating plate, a screw rod is rotatably connected to the top of each bearing plate, a one-way meshing plate is connected to the side surface of each screw rod in a meshing mode, a pressure-sensitive switch is arranged on one side, away from the corresponding deflection plate, of each screw rod, a motor is arranged in each injection molding pipe, and a bearing gear is fixedly connected to the left side of each motor. According to the thermosetting intelligent injection molding machine for efficiently producing large-scale products, through cooperative use of the deflection plates and liquid pumps, the effect of automatically improving the production efficiency during large-scale product production is achieved.

The invention discloses printing and dyeing stirring equipment. The equipment comprises a fixing frame, stirring devices are fixedly connected to the tops of the inner walls of the two sides of the fixing frame, a stirrer is arranged at the top of each stirring device, a motor is fixedly connected to the top of the outer wall of the left side of the stirrer, the output shaft of the motor is rotationally connected with the stirrer, feeding ports are formed in the two sides of the top of the front face of the stirring device, and the right side of the bottom of the front face of the stirring device communicates with a feeding pipe. On one hand, the printing and dyeing stirring equipment can be tightly matched with collecting wires to facilitate smashing and dissolving of some undissolved accumulated residues, so that the interior of the device can achieve full reaction; and on the other hand, floating impurities and foam can be collected and treated, so that the influence on work is avoided, the stability of the device is improved, the strength of the device is improved, the situation that internal precision parts are cracked or bent is avoided, and the service life of the device is further prolonged.

The invention relates to a cleaning assembly capable of effectively saving water and efficiently cleaning and a cleaning method, the cleaning assembly comprises a cleaning assembly body, a connecting part and a power driving part, and the cleaning assembly body is arranged at the power output end of the power driving part through the connecting part; the cleaning assembly body comprises a water absorption sponge cleaning head, the water absorption sponge cleaning head is of an inner-outer-ring separated structure and comprises an outer-ring water absorption sponge and an inner-ring water absorption sponge, and the inner-ring water absorption sponge is embedded in the outer-ring water absorption sponge. The power driving part drives the inner-ring water-absorbing sponge and the outer-ring water-absorbing sponge of the water-absorbing sponge cleaning head to rotate in opposite directions at the same time through the connecting part; water in the cleaning assembly can well stay for a long time, and the cleaning effect is more remarkable through wiping of the cleaning assembly and washing of the water.

The invention discloses a river sediment pollution in-situ advanced treatment device and a use method thereof, the river sediment pollution in-situ advanced treatment device comprises a ship body and a box body used for treating sludge, the surface of the ship body is connected with the top of the box body through a mechanical grabbing arm, and the invention relates to the technical field of river sediment in-situ treatment. According to the in-situ deep treatment device for river sediment pollution and the use method thereof, a deep treatment method of aeration and microbial degradation, namely physical and biological treatment, is adopted, so that the river sediment pollution can be quickly degraded, the water quality of a water body is not influenced, meanwhile, certain dissolved oxygen is provided for the water body, the increase of the number and diversity of microorganisms is promoted, and secondary pollution is avoided; the device can be moved at any time for bottom mud pollution treatment, is particularly suitable for repairing bottom mud of a river containing a monitoring section, prolongs the bacterial liquid degradation time by arranging the S-shaped channel and the return pipe, and is semi-closed, so that the bacterial liquid cannot be quickly lost due to the flow velocity of a water body, the bacterial liquid degradation efficiency is enhanced, and the device is simple to operate, environment-friendly and energy-saving.

The invention discloses a wood board drying device, and particularly relates to the field of wood board production equipment. The wood board drying device comprises a box body, wherein an efficient drying mechanism is arranged in the box body; the efficient drying mechanism comprises two first filter screens, two second filter screens are fixedly arranged in the box body, and the two second filterscreens are both arranged at the top end of the first filter screen at the top end; a first heating plate is fixedly arranged at the top end of the interior of the box body, two second heating platesare fixedly arranged at the rear end of the box body, and the two second heating plates are arranged between the second filter screen at the bottom end and the first filter screen at the top end; andfans are fixedly arranged on the two side walls of the box body, the two fans are both arranged between the second filter screen at the bottom end and the first filter screen at the top end, and round holes are formed in the two sides of the box body. According to the wood board drying device, the drying efficiency can be improved through the efficient drying mechanism, water in wood boards can be quickly drained, the time is saved, the construction period is shortened, and the cost is reduced.