60results about "Wood drying" patented technology

A kiln moisture measurement system is provided for measuring the moisture content of a charge of timber in a timber drying kiln, and comprises first and second electrically conductive elements spaced apart in the kiln on respective mounts, with the charge of timber between the electrically conductive elements. The first and second electrically conductive elements are connected to an electronic controller such that electric charge can be transmitted between the first and / or second electrically conductive element and the electronic controller. The electrically conductive elements are each resiliently movable against respective contact portions of the charge of timber when the charge of timber is adjacent the first electrically conductive element and the second electrically conductive element. The electronic controller is subsequently configured to measure one or more dielectric properties of a portion of the timber between the electrically conductive elements to determine a moisture level of the charge of timber.

The invention relates to the field of preservative wood treatment devices, in particular to a quick preservative wood drying device which comprises a drying tank body, a drying mechanism, a preservative wood separating and loading mechanism and a frame moving mechanism. Wherein the drying mechanism is mounted at the top of the drying tank main body, a drying part of the drying mechanism extends into the drying tank main body, and the anticorrosive wood separation loading mechanism comprises a hollow bearing frame arranged in the drying tank main body and a plurality of transverse plate clamping grooves formed in the inner wall of the hollow bearing frame. By arranging the hollowed-out loading frame, the partition transverse plates and the partition vertical plates, anti-corrosion wood can be placed in a layered and latticed mode, airflow dead angles and the like caused by excessive stacking of the anti-corrosion wood can be avoided, and therefore it is guaranteed that the anti-corrosion wood is evenly dried, the drying efficiency is improved, and meanwhile the frame body rotating mechanism, the airflow guiding mechanism and the like are arranged in a matched mode, so that the drying efficiency is improved. And the anti-corrosion wood and the loading frame can be rotated, drying airflow can be guided and the like, the drying airflow can be forcibly guided to penetrate through wood gaps, and it is guaranteed that the surface of the wood is evenly heated and the like.

Embodiments described herein relate to systems and methods of extracting liquid from empty barrels. In one aspect, a method includes heating a barrel with less than about 10 ml of free liquid disposed therein to expand pores in the barrel. The method further includes applying, after the heating, a negative pressure to an interior of a vessel in which the barrel is disposed, such that an amount of liquid is extracted from the barrel. The method includes collecting, after the applying, the amount of liquid within a collection container. In some embodiments, collecting the amount of liquid includes pumping the liquid through a tube that is disposed between an outer surface of the barrel and the collection container. In some embodiments, heating the barrel is via a heated blanket wrapped around the barrel. In some embodiments, heating the barrel is via placing the barrel in an oven.

A facility for processing CO2 from a high-output CO2 source includes at least one CO2 distribution system having a supply circuit comprising an inlet end connected to the high-output CO2 source for collecting and storing the CO2, and an outlet end; drying means for drying in a CO2 atmosphere, connected to the CO2 distribution system, and configured to process said CO2 thus distributed during a drying operation and comprising storage means connected on the one hand to the outlet end of the supply circuit and on the other hand to the drying means, said storage means being configured to temporarily store the CO2 from the high-output CO2 source for later processing of said CO2.

The invention relates to a treatment plant for treating CO2 from a high flow CO2 source (D100), comprising:-at least one CO2 distribution system (D1) having a supply circuit (D10) comprising an inlet end (D11) connected to the high flow CO2 source (D100) for collecting and storing CO2, and an outlet end (D12); -a CO2 atmosphere drying device (C1, C2) connected to the CO2 distribution system (D1) and configured to process the CO2 so distributed during a wood drying operation; and comprising storage means connected on the one hand to the outlet end (D12) of the supply circuit (D10) and on the other hand to the CO2 atmosphere drying means (C1, C2), the storage means (D5) being configured to temporarily store CO2 from the high flow CO2 source (D100) for subsequent processing of the CO2.

The efficient wood drying equipment with the sterilization function comprises a base and a microwave generator embedded in the inner wall of the base, a containing frame is fixedly arranged on the base, a linear driver is arranged on the base and located on the side edge of the containing frame, and the microwave generator is arranged on the inner wall of the containing frame. The linear driver is provided with a water removing device which is driven by the linear driver to stack the woods on the containing frame in order and wipe water on the outer surfaces of the woods. By means of the discharging device, efficient discharging after wood drying is achieved, a linear driver reversely moves to trigger a series of actions, the inclination angle of a second supporting rod is accurately controlled through meshing of a rack and a gear, the wood smoothly slides to a guide table under the gravity effect and is discharged, and the wood discharging device can adapt to wood of different lengths; space interference caused by the wood length is avoided, and the whole discharging process does not need manual carrying and is completed automatically.

The present disclosure concerns a system for curing a wet coating of a coated substrate, the system comprising: a curing room having a curing room inlet and a curing room outlet, the curing room being configured to receive the coated substrate being introduced at the curing room inlet thereof along a first displacement axis, the system comprising a conveyor assembly for conveying the coated substrate through the curing room along a second displacement axis transverse to the first displacement axis, wherein the system further comprises a gas catalytic IR system, provided in the curing room, for producing an infrared radiation to partially cure the wet coating while the coated substrate is in the curing room. The disclosure concerns also a corresponding process.

A method (M) of producing a pressed sheet (1) for electrical insulation comprises, in any order: a) mechanically compressing (M1) at least one pressed sheet precursor (2) suitable for electrical insulation, and b) emitting (M2) electromagnetic waves (EM) towards the pressed sheet precursor (2). The mechanical compression (M1) of the press plate precursor (2) comprises passing the press plate precursor (2) sequentially through a plurality of compression stations (S1, S2, S3), each compression station (S1, S2, S3) comprising at least one pair of rollers (3) which together compress the press plate precursor (2) as the press plate precursor passes through the gap between the respective pair of rollers (3), where the gaps of each station (S1, S2, S3) become smaller sequentially.

The invention belongs to the technical field of wind power blade dehumidification, and discloses a wind power blade balsa wood vacuum drying device and method.The wind power blade balsa wood vacuum drying device comprises a drying room, a vacuum bag, an air heater, a one-way valve and a vacuum pump, and the vacuum bag is arranged in the drying room and is configured to wrap balsa wood in a sealed mode; the air heater is arranged in the drying room and used for providing hot air into the vacuum bag; one end of the one-way valve is connected with the air heater, and the other end of the one-way valve is hermetically connected with the vacuum bag; the vacuum pump is arranged outside the drying room, connected with the end, away from the one-way valve, of the vacuum bag in a sealed mode and used for exhausting air in the vacuum bag so that a negative pressure state can be formed in the vacuum bag and exhausting air in the vacuum bag. The drying efficiency of water vapor in the balsa wood can be improved, the phenomenon that balsa wood is white due to air filaments is reduced, the processing cost is reduced, and energy consumption is reduced.

Embodiments described herein relate to systems and methods of extracting liquid from empty barrels. In one aspect, a method includes heating a barrel with less than about 10 ml of free liquid disposed therein to expand pores in the barrel. The method further includes applying, after the heating, a negative pressure to an interior of a vessel in which the barrel is disposed, such that an amount of liquid is extracted from the barrel. The method includes collecting, after the applying, the amount of liquid within a collection container. In some embodiments, collecting the amount of liquid includes pumping the liquid through a tube that is disposed between an outer surface of the barrel and the collection container. In some embodiments, heating the barrel is via a heated blanket wrapped around the barrel. In some embodiments, heating the barrel is via placing the barrel in an oven.

A system for drying a wood product includes a vessel defining a chamber, a condenser for providing heat in the vessel, a compressor that directs pressurized fluid to the condenser, a dehumidifier that recovers thermal energy from the chamber, an energy storage tank that stores heat transfer fluid, an evaporator heat exchanger that transfers thermal energy from the heat transfer fluid to the condenser, a pump that directs the heat transfer fluid from the tank to the dehumidifier and the evaporator heat exchanger, and an oscillating heat pipe (OHP). The OHP has a first portion upstream of the dehumidifier relative to airflow for circulating about the wood product and configured to precool air passing through the first portion to the dehumidifier, and a second portion downstream of the dehumidifier relative to the airflow and configured to preheat air passing from the dehumidifier.

The present invention discloses a feeding system for an automatic veneer drying device, which includes a transition guide frame, a feeding unit, and a material supply unit; the transition guide frame includes a transition guide frame body, and a plurality of frame plates are provided on the transition guide frame body; the feeding unit includes a feeding unit frame body, a guide plate frame provided on the feeding unit frame body, an adsorption assembly, and an adsorption assembly position adjustment device; at both ends of the guide plate frame, there is a pair of longitudinal pressing rollers composed of two vertically arranged longitudinal pressing rollers with a gap of one veneer thickness; the end of the guide plate frame far from the transition guide frame is hinged to the feeding unit frame body, and the end of the guide plate frame far from the transition guide frame is hinged to the feeding unit frame body through a linear telescopic device; the material supply unit is arranged below the adsorption assembly. The feeding system of the present invention can adsorb soft and thin veneers and quickly and accurately feed them into each horizontal drying layer of the drying unit, featuring high drying efficiency.

The application discloses a device for drying fast-growing wood by superheated steam, which comprises a steam generator, a drying bin, a conveying mechanism and a controller. A working space is formed in the drying bin. The drying bin is provided with an inlet and an outlet. A bin door is arranged at the inlet and the outlet. The inlet and the outlet are communicated with the working space, and the working space is used for accommodating fast-growing wood. The steam generator is arranged outside the drying bin. The steam generator and the working space are communicated through a connecting pipeline. The steam generator delivers superheated steam into the working space through the connecting pipeline. The controller is electrically connected with the steam generator and the conveying mechanism respectively. The controller is used for controlling the conveying mechanism to drive the fast-growing wood outside the drying bin into the working space, so that the superheated steam delivered by the steam generator can dry the fast-growing wood. In the technical scheme, the conveying mechanism is used to assist the staff to quickly complete the stacking of the fast-growing wood and the taking of the dried fast-growing wood, thereby effectively improving the production efficiency.

The present invention relates to an improved method for impregnating a porous material, such as wood, more specifically a method in which an active ingredient to be deposited within the porous material is dissolved in condensed carbon dioxide and impregnated in the material

An apparatus for toasting the inside surface of a barrel. The apparatus generally includes a base member and an arm member. The arm member includes a central support member and at least one radially disposed electric infrared heater configured to heat the inside surface of the barrel evenly, and an extending arm disposed at an upper-most end of the arm member such that in application, the inside surface of the barrel rests on the extending arm and not the heater. The arm member includes at least one heater reflector plate disposed between each of the at least one infrared heaters and the central support member. The at least one heater reflector plate requires having a smooth, reflective surface for increasing the intensity of heat emanating from the respective infrared heater.

A method for producing pressboard for electrical insulation, said method including, in any order:a) mechanically compressing at least one pressboard precursor suitable for electrical insulation, andb) emitting electromagnetic waves towards the pressboard precursor(s). The mechanical compression of the pressboard precursor includes sequentially passing the pressboard precursor through a plurality of compression stations, each compression station including at least one pair of rollers together compressing the pressboard precursor as it passes a gap between the respective pair or rollers, wherein the gap is smaller for each station in the sequence.

Embodiments described herein relate to systems and methods of extracting liquid from empty barrels. In one aspect, a method includes heating a barrel with less than about 10 ml of free liquid disposed therein to expand pores in the barrel. The method further includes applying, after the heating, a negative pressure to an interior of a vessel in which the barrel is disposed, such that an amount of liquid is extracted from the barrel. The method includes collecting, after the applying, the amount of liquid within a collection container. In some embodiments, collecting the amount of liquid includes pumping the liquid through a tube that is disposed between an outer surface of the barrel and the collection container. In some embodiments, heating the barrel is via a heated blanket wrapped around the barrel. In some embodiments, heating the barrel is via placing the barrel in an oven.

Embodiments described herein relate to systems and methods of extracting liquid from empty barrels. In one aspect, a method includes heating a barrel with less than about 10 ml of free liquid disposed therein to expand pores in the barrel. The method further includes applying, after the heating, a negative pressure to an interior of a vessel in which the barrel is disposed, such that an amount of liquid is extracted from the barrel. The method includes collecting, after the applying, the amount of liquid within a collection container. In some embodiments, collecting the amount of liquid includes pumping the liquid through a tube that is disposed between an outer surface of the barrel and the collection container. In some embodiments, heating the barrel is via a heated blanket wrapped around the barrel. In some embodiments, heating the barrel is via placing the barrel in an oven.

The present invention relates to thermal or thermo-mechanical treatment of hygroscopic materials to adjust material properties. The present invention relates to an apparatus for modifying hygroscopic materials. The modification apparatus comprises a modification unit (202) and a fluid container (204) coupled to at least one fluid opening (203) via a control valve (205). The modification apparatus is configured to heat the hygroscopic material in the modification unit (202) to extract water from the hygroscopic material and to direct the fluid from the fluid container through the at least one fluid opening (203) into the modification unit (202) in response to opening of the control valve (205). The modification apparatus further comprises a treatment agent (207) that is added to the fluid, such that the treatment agent is absorbed into the hygroscopic material and modifies it. The treatment agent (207) comprises at least one of the following components: preservatives, dyes, pigments, fragrances, deodorants, insecticides, impregnation components, or flame retardants.

This invention relates to a process for the division of an individual input source log into discrete longitudinal lengths for subsequent processing. The process comprises receiving an individual input source log, dividing the input source log into one or a plurality of output log portions of a predetermined length, wherein at least a portion of said output log portions resultant from said division are of a substantially equal or substantially constant or consistent longitudinal length, and wherein said substantially equal or substantially constant or consistent longitudinal length output log portions are procured as a feed stream of log material for a subsequent processing step. This process provides for the processing of logs and subsequent assembly into an end product formed from a composite of sticks derived from said processed logs.

The present invention relates to a heating element for a wood drying device, and a wood drying device, comprising: a corrugated metal plate interposed between upper and lower stacked wood pieces and having alternating peaks and valleys; a heating cable which generates heat when power is applied; and a plurality of heat transfer pipes which are tightly bonded to the corrugated metal plate between the peaks and valleys of the corrugated metal plate to reinforce the strength of the corrugated metal plate, and into which the heating cable is sequentially inserted to transfer heat generated from the heating cable to the corrugated metal plate. The present invention is capable of uniformly transferring heat to the entire wood piece with a very simple structure, greatly improving the efficiency of heat transfer from the heating cable to the corrugated metal plate, greatly extending the service life of the heating element, and greatly improving the convenience of stacking wood pieces for drying wood.

Of the type applied after the wood has been cut at its source, the wood having lost humidity and the wood having an equilibrium moisture content of about 41% or more.

A method (M) for producing pressboard for electrical insulation (1), said method comprising, in any order: a) mechanically compressing (M1) at least one pressboard precursor (2) suitable for electrical insulation, and b) emitting (M2) electromagnetic waves (EM) towards the pressboard precursor(s) (2).

The application discloses a kind of stacked wood natural drying protection devices, the side of the bottom plate is equipped with protection sheltering component, one end of the limiting plate is connected with the inner side wall of protection sheltering component, drive assembly is equipped on one end of the limiting plate, telescopic assembly is connected on the upper wall of the limiting plate, the lower end of the limiting plate is equipped with turnover control component, drive assembly is connected with telescopic assembly and turnover control component respectively, the telescopic assembly is movably connected with airing assembly, the lower end of the airing assembly is arranged in the turnover control component by penetrating the clamping groove, the airing assembly is equipped with multiple groups, and is arranged on telescopic assembly respectively.The application belongs to the technical field of wood processing, especially relates to a kind of stacked wood natural drying protection devices, which achieves the technical effect of simultaneously airing and air-drying multiple groups of wood in space, and when severe weather or night occurs, the wood can be folded, the angle can be turned over and folded, and the wood can be protected.

The application discloses a kind of drying methods of tree tray, including pre-drying treatment to tree tray, so that the moisture content of tree tray reaches pre-drying moisture content M 预 , obtain pre-drying tree tray;Then the average moisture content of pre-drying tree tray is monitored, according to the general drying standard procedure, drying is carried out until the average moisture content of tree tray pile is less than 15%, stop drying, obtain dry tree tray.The drying defect of tree tray is reduced by using the method of the application, the radial shrinkage of tree tray is less than the critical value of the radial shrinkage of tree tray by measuring the radial shrinkage of tree tray during drying, controlling the moisture content of each tree tray at different radial level position in real time, so as to reduce the cracking of tree tray and improve the utilization efficiency of tree tray.

The invention relates to a thermal wood drying installation by CO2 sequestration having at least one CO2 atmosphere drying module (C1) which comprises: a drying chamber (1), CO2 supply means (3), heating means (2), gas circulation means (4), CO2 recycling means (600), metrological means (5), CO2 supply means (3), and a computer control system (6), characterized in that the gas circulation means (4) comprise a flow reversal module configured to allow CO2 to circulate in a first direction forming a closed loop circulation duct of the CO2 gas mixture, and in a second direction of circulation opposite to the first direction, capable of uniformizing the thermal distribution in said drying chamber (1).

The present invention discloses an automated veneer drying device, which includes a feeding unit, a loading unit, a transition guide frame, a drying unit, and a discharging unit; the drying unit includes a hot smoke system, a heat exchange system, a drying box, and a number of heat extraction fans; the distance between the left and right ends of the drying box is greater than the distance between its front and rear ends; the hot smoke system includes a combustion furnace, a hot smoke pipe, and a chimney; the transition guide frame includes a transition guide frame body, and a number of shelf plates are provided on the transition guide frame body, the number of which is the same as the number of feeding ends of the horizontal drying layer of the drying unit; the loading unit includes a loading unit body, a guide plate frame provided on the loading unit body, an adsorption assembly, and an adsorption lifting adjustment assembly; the feeding unit is arranged below the adsorption assembly; the discharging unit is connected to the veneer outlet of the drying unit. The drying device of the present invention can adsorb soft and thin veneers and quickly and accurately feed them into each horizontal drying layer of the drying unit for drying and automatically collect the materials, and has the characteristics of high drying efficiency and continuous operation.

The present application belongs to the technical field of artificial board manufacturing, and particularly relates to a high-elastic artificial board, a preparation method and a drying device. The preparation comprises the following steps: (1) introducing a cross-linking agent directly into a high-molecular polymer network containing hydroxyl groups to form dynamic bond cross-linking points, thereby obtaining one or more dynamic coordination cross-linked high-molecular additives; (2) blending artificial board raw materials with the one or more dynamic coordination cross-linked high-molecular additives obtained in step (1), and then drying after multiple additions and blending; and (3) gluing the pretreated artificial board raw materials obtained in step (2), and then obtaining a high-elastic artificial board through hot pressing. The high-elastic artificial board prepared by the present application has the property that, when subjected to a certain degree of external stimulation, the bond will break and connect, so that the board rapidly becomes a high-elastic hard solid. The use of the drying device can significantly improve drying uniformity and reduce drying time.

The present disclosure provides a method of drying and dyeing wood, the method comprising feeding a green wood having a varying moisture content into an oven and drying the green wood in the oven. The residence time of the biomass in the oven and the temperature of the oven are selected according to a time and temperature profile based on the pre-drying moisture content of the biomass to produce dry surface wood having a moisture content of about 15% or less at the dry surface. The method further includes conveying the dried surface wood to a dyeing chamber and directly dyeing all sides of the dried surface wood after the drying. A system for carrying out the method and a dyed wood product produced according to the method are also contemplated.

A method (100) of heating wood (1) in a wood drying compartment (10), the wood drying compartment (10) comprising a first end wall (14) and a second end wall (16) opposite to the first end wall (14), the first end wall (14) comprising an opening (20) and a door (18) for selectively closing said opening (20), and the method comprising: Providing (S101) a stack of wood (1) to the wood drying compartment (10) through the opening (20); circulating (S102) an airflow (AF) through the stack of wood (1); keeping (S103) the relative humidity of said airflow (AF) at 80-100%, such as 90-100%, such as 95-100%; spraying (S104) water (W) into the airflow (AF) to provide a combined air and water flow (CF), and directing (S105) the combined air and water flow (CF) in one single and substantially horizontal direction through the stack of wood (1), from the second end wall (16) towards the first end wall (14).