309results about How to "Uniform moisture content" patented technology

The invention provides a processing process of a thin cigarette. The processing process comprises the steps of tobacco flake loosening and moisture regaining, leave selection and stem removal, multi-stage screening and selective cutting, sieving and shredding, shredded tobacco temperature rise and humidity increase, shredded tobacco charging, storage and fermentation, shredded tobacco primary drying, shredded tobacco secondary drying, shredded tobacco purification, shredded tobacco perfuming and storage, and rolling, wherein the above-mentioned shredded tobacco in each step is not the same one, but the product obtained in the last step. The processing process has the following advantages that by using the processing process, the tobacco flake extension rate is high; the moisture content is uniform; fragments are small; the waste quantity of a cigarette making machine is controlled to be (25 to 35) percent; the stem removal rate is controlled to be 1.5 percent; the smoking resistance is controlled to be (1150 to 1200) Pa; the cigarette circumference is (17 to 19)mm; and the effects that the cigarettes are full, hollow ends do not exist, uniformity is realized, and no joint exists are achieved.

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 wood drying process technology, in particular to a high-temperature and high-humidity rapid drying process method for wood, belonging to the field of wood processing. The high-temperature and high-humidity rapid drying process method comprise the following steps of: (1) humidifying and heating; (2) heating and humidifying pretreatment; and (3) high-temperature and high-humidity drying. According to the invention, the drying process problems that the traditional drying process cannot be used for drying hardwood, difficultly-dried hardwood and fast growing wood easily undergoing shrinkage and collapse after drying are solved, the dried wood is uniform in the distribution of moisture content and low in moisture content gradient in a thickness direction, and the defect that the fast growing wood is shrunk and collapsed after being dried is overcome. Meanwhile, the process flow of the traditional drying technology is simplified, and the most common drying process method with broadest applicable range is formed, is suitable for any varieties of tree wood with the thickness below 100mm and is easier to master by a technician.

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 relates to an electroosmotic method used for dewatering the soil with large area and high water content and equipment thereof. The operation comprises the following steps of: (1) constant current starting: adopting a constant current output mode, namely the output current is constant and the output voltage is variable; (2) constant voltage holding: when the output voltage reaches a preset value, the output voltage is converted into stable voltage and then output, namely the output voltage is constant and the output current is variable, and the stable working condition is held for long time; (3) strengthening impulse: in the process of holding constant voltage, impulse voltage is superimposed by a certain interval; (4) energization at intervals: energization and power off are carried out alternatively; and (5) polarity convention: according to the change of water yield, the positive polarity and the negative polarity of output voltage of the special electroosmotic device are automatically changed. By improving the operation method to electroosmotic dewatering, the invention solves the defects in the prior art, improves dewatering efficiency and reduces the energy consumption.

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.

A differential rate rotary thickener; a power detector which is disposed in a sludge receiver tank for thickened sludge thickened in the differential rate rotary thickener; a discriminator which receives an electric signal for a thickened sludge concentration (X) detected by the power detector and which calculates and discriminate the data; a first controller which receives an instruction signal being a discriminated result in the discriminator and which operates an outer cylinder driving machine and a screw driving machine; a ratio setter which receives a discriminated signal of the discriminator and which increases or decreases a chemical feed rate (α) of flocculant stepwise; and a second controller which receives an instruction signal from the ratio setter and which operates a flocculant-feeding pump are provided. Thickening of sludge is performed by controlling the chemical feed rate (α), a rotational speed (S) of a screw, and a rotational speed (C) of an outer cylinder screen.

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 preparation method of rock test samples with different water ratios and relates to the technical field of tests about rock mechanics. The preparation method comprises the following steps of: setting a test environment with a certain humidity in a hygrostat; weighing a sample to be prepared to obtain an original sample; marking the quality of the original sample as m1; feeding the original sample with the quality being m1 in a baking oven; drying the original sample at the temperature of 105-110DEG C and then weighing to obtain a dried sample; making the quality of the dried sample as m2 and feeding the dried sample with the quality being m2 in the hygrostat for preserving moisture; saturating the original sample with the quality being m1 with water and weighing to obtain a saturated sample; marking the quality of the saturated sample as m3; feeding the saturated sample with the quality being m3 into the hygrostat for preserving moisture; periodically weighing the sample in the hygrostat until the weight of the sample is constant to obtain a sample with constant weight; and marking the quality of the sample as m4. The solving method of the water ratio is shown in the description. The water content of the sample prepared in the invention is quite uniform and reaches a thermodynamic equilibrium state; and samples with little difference in the water ratio can be prepared.

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 present invention relates to a stratified time-after-time electroosmotic precipitation combined vacuum precipitation method for treating large-area soft ground base. It is characterized by that on the large-area soft ground base a stratified time-after-time electroosmotic precipitation combined vacuum precipitation method is adopted, the described stratified precipitation is characterized by that in the deep layer an electroosmotic well-point pipe electroosmotic precipitation is adopted, and in the shallow layer a vacuum well-point pipe evacuation precipitation is adopted; the described time-after-time precipitation is characterized by that in the area where the deep-layer electroosmotic well-point pipe precipitation is adopted in last-time precipitation construction the above-mentioned shallow-layer vacuum well-point pipe precipitation is adopted in the next-time precipitation construction; and in the area where the shallow-layer vacuum well-point pipe precipitation is adopted in last-time precipitation construction the above-mentioned deep-layer electroosmotic well-point pipe precipitation is adopted in the next-time precipitation construction.

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 relates to a tobacco stem classifying and processing method. The tobacco stem classifying and processing method comprises the following steps of classifying tobacco stems by one or more methods of spectrum pickup classification, multi-stage vibrating screening classification and winnowing classification and removing heads from the tobacco stems; conveying the classified tobacco stems into temporary storage stations respectively, washing and moistening each kind of tobacco stems according to the production requirement, and conveying the tobacco stems into a storage cabinet or box type small-sized three-dimensional elevated library respectively to store; steaming and pressing the tobacco stems sequentially so as to press the tobacco stems into flat shapes; and finally conveying the flattened tobacco stems into the subsequent stem-cutting procedure. According to the invention, the filamentation ratio of the cut stems is increased, the uniformity of the cut stems is improved and the quality of the cut stems is improved.

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 provides a preparation method of a disturbed belt sample for reflecting a stress state of a primary rock and belongs to the technical field of geotechnical engineering. The preparation method comprises the following steps: firstly carrying out field investigation on a disturbed belt test hole to measure the densities and moisture contents of sites at different depths from the hole wall, sampling at the sites at which the parameters tend to be consistent, and simultaneously obtaining the stresses of the primary rocks at the sampling sites by virtue of a stress relieving method; carrying out indoor remodeling sampling including the steps of preparing the sample, controlling a sample preparation process, carrying out later-period standardization process on the sample and carrying out contrastive analysis on the sample and an undisturbed sample by virtue of an electron microscope scanning experiment and a mechanical experiment. The preparation method has the advantages that oversize processing is carried out on a disturbed belt by a substitution method, and simultaneously pre-solidifying pressure and voltage stabilization time are controlled to carry out static load solidifying so as to improve a sample preparation pressure chamber; the structure is simple, the cost is low, the experimental time is saved, natural features of the disturbed belt can be well reflected, the reliability of an experimental result is high, the strength is close to the actual application, and a good effect for preparing a uniform remodeled sample for reflecting the stress state of the primary rock is achieved.

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.

The invention discloses cloth drying equipment for textile. The cloth drying equipment comprises a drying shell, a water squeezing mechanism, blowers, air inlets, a conveying roller wheel, a drying lamp, a water collecting tank and a processor, wherein support legs are installed at both ends of the lower side of the drying shell, a feed opening and a discharge opening are respectively formed in the middles of both ends of the drying shell, the water squeezing mechanism is installed at the end, which is close to the feed opening, in the drying shell, the water squeezing mechanism is composed ofan upper water squeezing wheel and a lower water squeezing wheel, the conveying roller wheel is installed in the drying shell, the air inlets are formed in both sides of the upper side of the dryingshell, the blowers are installed on the top and the lower side of the drying shell, ventilating pipes and electric heaters are connected to one ends of the blowers, and one end of each ventilating pipe communicates with the corresponding air inlet. According to the cloth drying equipment for textile, the water squeezing mechanism is arranged so that cloth can be squeezed first, and the subsequentdrying treatment is facilitated.

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.

A multistage centrifugal atomizer comprises an outer shell that contains an inlet port and an outlet port and that encloses a tundish, a first inclined rotating surface and a second inclined rotating surface. The first inclined rotating surface is opposedly disposed to the second inclined rotating surface. The inlet is used to introduce a molten material into the multistage atomizer and the outlet is used to remove ultrafine particles having a D50 of less than 20 micrometers.

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.

A preparation method of cordyceps sinensis micropowder lozenges relates to a technology that the cordyceps sinensis is smashed through an ultra-low temperature smashing method and then is frozen and dried to produce the cordyceps sinensis micropowder which serves as the raw material, and then the raw material is rehydrated and pressed to obtain the cordyceps sinensis micropowder lozenges. The method comprises the following steps: first: freezing the cordyceps sinensis with water content not less than 5 percent to be below 0 DEG C, and smashing under the temperature not higher than 0 DEG C; directly freezing and drying the non-defrosting cordyceps sinensis micropowder obtained through smashing, wherein the water content of the micro powder at the moment is not higher than 3 percent (weight); forwards, rehydrating the frozen and dried cordyceps sinensis micropowder; allowing the water for rehydration to be subjected to ultrasonic atomization so as to obtain water mist which is input into the frozen and dried micro powder; meanwhile, stirring the frozen and dried micro powder so as to allow the water content to be raised to 4-20 percent (weight), and obtaining the rehydrated micro powder with the water percent of 4-20 percent (weight); and tabletting the micro powder so as to obtain the cordyceps sinensis micropowder lozenges with the water content not high than 20 percent (weight). The cordyceps sinensis micropowder with water content lower than 8 percent can be directly pressed into the lozenges with uniform water content, and the method for controlling the water content is simple and precise.

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.