308results about How to "Uniform moisture content" patented technology

The invention discloses a brown coal drying method and device utilizing waste heat of smoke and steam of a power plant. The drying method comprises two-time drying treatment, wherein the two-time drying treatment comprises the steps that firstly, the high-temperature smoke directly discharged by a power plant coal fired boiler is utilized for conducting first-time drying treatment on damp materials, the high-temperature smoke directly makes uniform contact with the damp materials, and intermediate materials are obtained; and secondly, the high-temperature smoke and the high-temperature steam directly discharged by the power plant coal fired boiler are utilized for conducting second-time drying treatment on the intermediate materials at the same time, the high-temperature smoke directly makes uniform contact with the intermediate materials, meanwhile, the intermediate materials make uniform contact with a heat exchange pipe inflated with the steam for heat exchange, dried materials are obtained, and second-time drying treatment is achieved. The brown coal drying method and device have the beneficial effects that the power plant waste heat serves as a heat source for brown coal drying, the running economical efficiency of a power plant generator set is improved, a system for drying the brown coal and a brown coal power generation system are integrated, efficient utilization of power plant energy and optimization of a technology system are achieved, and the brown coal drying method and device belong to the poly-generation technology of the power plant.

The invention relates to a board balance reconditioning chamber and a method for reconditioning boards. The inside of the board balance reconditioning chamber is provided with a dehumidifier, a humidifier and temperature control equipment, and the middle part of the board balance reconditioning chamber is provided with an air flow guide device. The method for reconditioning boards comprises the following steps: 1) piling boards in the board balance reconditioning chamber; 2) adjusting the temperature and humidity of the board balance reconditioning chamber and determining the board processing time according to the preset water content range of the boards to balance the water content of all parts of the boards and to release the inner stress of the boards in a constant temperature and humidity environment; and 3) determining the water content of the boards and completing the reconditioning treatment when the water content of the boards reaches a preset value. The invention provides the constant temperature and humidity environment with flowing air to balance the water content of all parts of the boards, to release the inner stress of the wood fibers and to reduce the drawbacks of wood floors such as deformation and bending, thereby improving the percentage of cut-turn and the stability of the quality of the wood floors.

The invention relates to a composite power reinforcing method for combining a soft foundation light well point pipe with a plastic drainage plate. The method comprises the following process steps of: excavating a drainage ditch; distributing light well plastic drainage well points and carrying out vacuum pumping; striking a light well point pipe, a plastic drainage plate and a peripheral seal pipe and distributing the light well plastic drainage well points on a soft foundation needing treatment, wherein the plastic drainage plate has a mechanical inserting method and a water-washing hole formation inserting method, in the mechanical inserting method, the plastic drainage plate with needed depth is inserted by adopting a plate inserting machine, after an inserting pipe of the plate inserting machine is drawn, the light well point pipe is immediately inserted into a jack of the plastic drainage plate, and the terminal of the plastic drainage plate is pressed into the ground surface below 0.5m, a sand filter material is placed into the jack to fill with the distance of 0.45-0.55m from an opening of the jack, and then the opening of the jack is tightly sealed by clay; mounting water dropping equipment; pumping vacuum for dewatering; finishing dewatering; and solidifying by power. The method can reduce the water content of a soil body of a sludge interlayer.

The invention discloses a pine drying method, and belongs to the field of timber processing. The method comprises the following steps: selecting pine sheets with the thickness of 25-35mm and the water content of 40-45% before drying, putting the pine sheets in a kiln, stacking, using division bars between layers of the pine sheets, making a pine water content drying reference according to the dimension of the stack of the pine sheets, the flow velocity of a drying medium and the water content of the sheets, setting a wet and dry bulb temperature according to the water content drying standard, starting a system in the drying kiln to carry out automatic heating and steam injection to a preset required range, cooling the pine sheets, and discharging the cooled pine sheets from the kiln to obtain a finished product. The method allows the water content of the timber to be balanced in the drying process by adopting the pine drying reference and using automatic steam injection, prevents the deformation, cracking and bending of the sheets in the drying process, and realizes an optimal drying state through multi-time automatic steam injection, humidity elimination and adjustment.

Edible fungus antistaling method and apparatus are disclosed. The method includes dehumidifying fresh edible fungus with circulating wind inside a sealed vacuum processing chamber to reach set temperature and water content, and fast vacuum freezing to further eliminate water of edible fungus. The said method can maintain the metabolism of edible fungus and reach required temperature and water content of edible fungus without contamination and damage to look of edible fungus. The method and apparatus has low power consumption, results in homogeneous temperature and water content inside and outside the edible fungus, controls water content in edible fungus in 70-88 % and makes edible fungus capable of being preserved and transported at low temperature for long period.

The invention discloses a sewage sludge dewatering device based on cooperation of oxidization, electroosmosis and mechanical filter pressing. The sewage sludge dewatering device comprises a spiral filter pressing device, an oxidation cylinder and an electroosmosis extrusion dewatering device, wherein a sewage sludge inlet is formed in the front end of the spiral filter pressing device; the rear end of the spiral filter pressing device is connected with the oxidation cylinder; the oxidation cylinder is communicated with the electroosmosis extrusion dewatering device; the electroosmosis extrusion dewatering device comprises an electroosmosis extrusion container, an anode plate, a cathode plate and a hydraulic system; the anode plate and the cathode plate are arranged in the electroosmosis extrusion container; after electroosmosis dewatering is completed by the electroosmosis extrusion dewatering device, the sludge water content of the anode plate is low, electroosmosis dewatering can be stopped, and pressure between the anode plate and the cathode plate is enlarged, so that ultrahigh pressure filter pressing dewatering is realized; the hydraulic system is connected with the anode plate, and the hydraulic system comprises a hydraulic oil cylinder and a high-low pressure regulating device. According to the sewage sludge dewatering device disclosed by the invention, high-water content sludge can be directly treated, and the dewatering energy consumption and the sludge water content are reduced through a multi-cooperation dewatering mode.

The invention provides dewatering, drying and coating equipment for microwave waterborne wood paint furniture. The dewatering drying and coating equipment is characterized by comprising a box body, wherein a conveyer belt for conveying the furniture is arranged in the box body; a metal conveyer belt supporting plate is arranged below the conveyor belt; at least one group of side microwave generator units and at least one side three-edged microwave reflecting plate are respectively arranged at the left side and the right side of the box body; and at least one group of top microwave generator units and at least one top three-edged microwave reflecting plate are arranged at the top of the box body. The invention also provides a dewatering drying and coating method for microwave waterborne wood paint furniture by adopting the dewatering, drying and coating equipment for microwave waterborne wood paint furniture. Furniture subjected to the microwave treatment have relatively uniform heating temperature and water content in spite of the volume, the unique and complex shape, the non-uniform thickness of graving plate and the multi-layer baffles on the external surface layer and the internal layer on the back; and the furniture has no cracking, warping and deforming, thereby thoroughly solving the problem that the waterborne wood paint of furniture is hard to dry and dewater.

The invention discloses drying equipment. The drying equipment comprises an unloading part, a cleaning dedusting part, a drying front part, a dryer, a tempering part and a bin outlet part which are successively connected through a transferring part. The invention also discloses a drying process of the drying equipment. The drying technology comprises the following steps of unloading, dedusting, drying pretreatment, drying and tempering treatment. The drying equipment provided by the invention can set tempering time by self, the quality of grain is protected, the yield is improved because of the continuous operation of the drying process, the efficiency is high, and the heat energy use ratio is effectively improved; the floor space is small, the equipment is simple, the capacity does not influence the quantity of operation staff, and the manpower and material resources are saved.

The invention belongs to the technical field of wood processing, and particularly discloses a manufacturing method for gum wood finger-joined floors. The manufacturing method comprises the following steps of drying, selecting, improvement of machining properties, humidifying, connection and combination, treatment of grooves and tongues, sanding, painting and the like. By using the manufacturing method for the gum wood finger-joined floors, the problems that in production of fast-growing gum wood finger-joined floors, sanding cost is high, loss of materials is high, the using amount of glue is high, tree laces crack, the moisture content of a portion between each two gum wood finger-joint floors is not uniform, finger joining is difficult, and the like are solved. The manufacturing method for the gum wood finger-joined floors has the advantages of low production cost, high product quality and the like.

A sewage and sludge dehydrating device coupling electroosmosis and mechanical pressure filtration is disclosed. The device includes a pressure filtration container (1), an anode plate (2), a cathode plate (3) and a direct current source (4). The anode plate (2) is disposed at the upper part of the pressure filtration container (1). The cathode plate (3) is disposed at the lower part of the pressure filtration container (1). The cathode and anode of the direct current source (4) are respectively electrically connected to the anode plate (2) and the cathode plate (3). The anode plate (2) and the cathode plate (3) are provided with water outlet holes (5) on which filter cloths (5.1) are paved. The cathode plate (3) is connected to a hydraulic system (6) used for driving the cathode plate (3) to move. Through adoption of the device, sludge resistance in an anode layer is slow in increase, dehydration effects are good, and the water content distribution at the sludge thickness direction is uniform.

The invention provides a structure and a method for processing a black cotton soil embankment with impervious geotextiles. The embankment structure comprises a geogrid gravelly soil base course, impervious geotextile edging and interlayer seepage-proofing layers, a black cotton soil fill stratum and a non-expansive clay top seal layer. The method comprises the following steps: (1) clearing a foundation; (2) setting out; (3) paving three layers of geogrid gravelly soil with the total thickness being 50cm; (4) spreading the impervious geotextiles on two sides of the road foundation, lapping the impervious geotextiles with filled soil by 250cm, turning up the impervious geotextiles on the slope of the road foundation, lapping the impervious geotextiles on the two sides in the middle of an embankment by 100cm after turning up, and bonding by using emulsified asphalt, wherein the lapping width of the adjacent impervious geotextiles is100cm and the impervious geotextiles are bonded by virtue of the emulsified asphalt; (5) spreading the soil and carrying out rolling construction; and (6) filling and rolling the top seal layer. The structure and the method disclosed by the invention are conducive to the stabilization of the embankment and are capable of preventing the embankment from deformation.

The invention relates to a two-times feeding process in tobacco processing, which is characterized in that: the feeding process is completed in two steps; the first feeding is wetting and casing after the tobacco leaf is loosened, feeding part of the feed liquid to the tobacco leaf; the second feeding is conducted to the shredded tobacco after tobacco cutting and before drying. The two-times feeding process can prevent the tobacco leaf containing too high water content and viscosity before tobacco cutting, make the cutting stable and improve the uniformity and permeability of feeding the feed liquid to the tobacco material, thus obtaining shredded tobacco with better quality.

The invention relates to a making device for soil samples/rock samples with different moisture contents. The inside of the main case is a closed space, a bracket is disposed at the middle part in the main case, a weight detector is installed on the bracket, the weight detector is provided with a tray for weighing, the tray divides the space in the main case into an upper soil sample/rock sample placement space and a lower humidification space. The humidification space of the main case is internally equipped with a water tank, the water tank is internally provided with a heating unit, the main case is provided with a case door convenient put in and take out the soil sample/rock sample at the position where the soil sample/rock sample placement space is located, and the inside of the main case is equipped with an air pressure detector, a temperature detector and a humidity detector at the top of the soil sample/rock sample placement space. With the making device provided by the invention, the moisture states of the obtained soil samples/rock samples can be more uniform, the physical and mechanical properties of the soil samples/rock samples are stable and easy to control, also the operation process is simple, and the preparation efficiency is high.

The invention provides an environment-friendly efficient veneer drying device comprising a veneer inlet, a veneer outlet, a machine frame, a heat preservation box, a top cover, a plurality of moisture outlets, a conveying mechanism, air blowing devices, a flame path, smoke pipelines and a flue. The heat preservation box is arranged on the outer side of the machine frame. The upper portion of the heat preservation box is provided with a top cover. The top cover is provided with the multiple moisture outlets which are close to the veneer outlet. The conveying mechanism comprises a transmission shaft, clamping arms, supporting cushion blocks, a chain, chain wheels, carrier rollers, a motor, a speed reducer and a motor fixing frame. The supporting cushion blocks are arranged on the upper portion of the chain. The clamping arms are arranged on the upper portion of the supporting cushion blocks. The flame path, the smoke pipelines and the flue are fixedly connected to the machine frame. The air blowing devices are arranged on the two sides of an upper circulation position of the conveying mechanism and the two sides of the flame path. Each air blowing device comprises partition plates, air blowing fans and fan supports. The environment-friendly efficient veneer drying device is low in energy consumption, reduces the production cost of a traditional large-sized drying device, is good in veneer drying effect and solves the problem that after being dried, veneer naturally warps.

The invention discloses instant scallop adductor and a preparation method thereof, which belong to the technical field of food science. The instant scallop adductor takes scallop adductor as a raw material and is prepared through the steps of selection, cleaning, precooking, seasoning, dipping, drying, baking, vacuum packaging and counter-pressure sterilization of the raw material. The product is white, has unique flavor of scallops, and contains 45 to 60 percent of water, protein accounting for 60 to 70 percent of the dry weight of the product, fat accounting for 1 to 2 percent of the dry weight of the product, colonies of which the total number is less than or equal to 8,000 cfu/g, coliforms which are less than or equal to 30 MPN/100g, and no detected pathogen. The method has the advantage of short processing time; and the finished product is instant and can be stored at the normal temperature. The instant scallop adductor and the preparation method thereof provided by the invention play an important role in promoting the rational utilization of scallop resources, forming a post-production processing industrial chain and adjusting a scallop processing industrial structure, and are of far reaching importance in promoting the sustainable development of the economic structure of agriculture in scallop producing areas in China and social progress.

The invention discloses an electric osmosis filter pressing based sewage sludge co-dehydration device, comprising an electric osmosis squeezing container (3), an anode plate (4) and a cathode plate (5), wherein the anode plate (4) and the cathode plate (5) are arranged in the electric osmosis squeezing container (3), sludge particulates move towards the anode plate and water molecules move towards the cathode plate under the influence of an electric field force, and a pressure is exerted between the anode plate and the cathode plate such that electrically osmosed water flows out of an electric osmosis squeezing dehydration device. After the above electric osmosis dehydration is completed, a low water content of sludge of the anode plate (4) is realized, when the sludge becomes dry, the electric osmosis dehydration is stopped, and the pressure between the anode plate (4) and the cathode plate (5) is increased to realize an ultra-high pressure mechanical filter pressing dehydration, so that the water content between the anode plate and the cathode plate is uniform. According to the electric osmosis filter pressing based sewage sludge co-dehydration device disclosed by the invention, as a co-dehydration means in the combination of an electric osmosis coupling dehydration and an ultra-high pressure mechanical dehydration is employed, energy consumption for the dehydration is reduced greatly, and a lower water content of the sludge treated according to the invention is realized.

The invention discloses a feed particle-producing machine used for agricultural machinery. The machine includes a housing body, a screw-shaft motor, a first extrusion hole and a second extrusion hole.A hopper is arranged on the upper side of the housing body. A support column is arranged under the left end of the housing body. A wheel is arranged under the support column. A high-pressure water pump is arranged on the right side of the support column. A water tank is arranged on the right side of the high-pressure water pump. A power switch is arranged on the upper left end of the water tank.A plurality of improvements are made in the prior feed particle-producing machines. Through the arrangement of the water tank, the water pump, a flow meter and a heater, feed particles of different sizes can be produced by the machine. Feeding water into a feed inlet and performing heating can endow feed with uniform water content and a moderate aging degree and can kill other pathogens like parasites in the feed so as to avoid the feed with excessively high or excessively low water content causing the produced feed particles with excessively more powder which cause extrusion hole blockage andinconvenient transportation and storage.