CN202322767U - Crop straw particle forming device - Google Patents
Crop straw particle forming device Download PDFInfo
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- CN202322767U CN202322767U CN2011204865445U CN201120486544U CN202322767U CN 202322767 U CN202322767 U CN 202322767U CN 2011204865445 U CN2011204865445 U CN 2011204865445U CN 201120486544 U CN201120486544 U CN 201120486544U CN 202322767 U CN202322767 U CN 202322767U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The utility model discloses a crop straw particle forming device, which comprises a drying portion, a smashing portion, a material delivery portion, a forming portion and a cooling drying separation portion. A discharge portion of the drying portion is connected with a feed portion of the smashing portion, a discharge portion of the smashing portion is connected with a feed port of the forming portion through the material delivery portion, and a discharge port of the forming portion is connected with a feed portion of the cooling drying separation portion. The crop straw particle forming device adopts an integrated automation control system to enable all processes of biomass forming to run automatically, thereby reducing manual operation, guaranteeing automatic running in excellent work conditions and being low in energy consumption and labor cost. A biomass drying process adopts boiling combustion technology to provide heat source without consuming traditional energy, so that heat utilization rate of equipment can reach more than 60%.
Description
Technical field
The invention belongs to the biomass fuel preparing technical field, be specifically related to agricultural crop straw grain forming device.
Background technology
The development of external shaped fuel is divided into three phases: be research, demonstration, intersection introduction stage from 30～fifties of 20th century, the objective of research is a target to replace fossil energy; 70～nineties of 20th century is a subordinate phase; Various countries have generally paid attention to the influence of fossil energy to environment; To quantity bigger, reproducible biomass energy produced interest; Carry out the research of biomass compact forming fuel, to the nineties, some countries in Europe, America, Asia compare number of applications biomass compact forming fuel at sphere of life; The later stage nineties 20th century is the phase III so far; At first to have carried out the research work that mass-producing utilizes headed by the Denmark; The famous BWE of energy investment company of Denmark takes the lead in having succeeded in developing first biomass compact forming fuel power station; Subsequently, countries such as Sweden, Germany, Austria have successively carried out and utilize the generating of biomass compact forming fuel and study as boiler oil.Denmark has set up 130 power station at present, and the U.S. has built bark shaped fuel processing space in 25 states, produces fuel every day above 300 tons.But biological shaped fuel is with some countries as the Denmark, Sweden, Austrian with fastest developing speed in Europe.For example, Sweden per capita the biomass compact forming fuel consumption reached for 160 ㎏/years.Europe existing nearly various schools of thinkers biomass compact forming fuel source mill, the farmer is raw material with the stalk, is raw material with the wood chip near the source mill in city.
The biomass compact forming Study on Technology and the exploitation of China are started late." the Seventh Five-Year Plan " beginning, some domestic institutes and enterprise begin biomass compact granule-forming machine and biomass moulding theoretical investigation.Before and after 2000, some units successively develop and have produced the biomass grain forming machine and the carbonization unit of several kinds of different sizes, and these equipment comprise mechanical stamping formula granule-forming machine, hydraulic drive type granule-forming machine, electrically heated screw rod granule-forming machine etc.But these equipment exist some such as shortcomings such as forming tube and screw shaft serious wear, life-span are short, power consumption is big.Get into 21 century, country begins various renewable and clean energy resource exploitations are paid attention to, and biomass molding fuel has also got into good developmental stage, and particulate state, dice shape shaped fuel also cause shows great attention to.At present, comprise that domestic a lot of enterprise and universities and colleges, scientific research institutions succeed in developing extruding type, hydraulicefficiency impact formula, screw shaped fuel production unit, and be widely used at aspects such as warming stove, boiler, machine-made charcoal productions.China introduces the screw-pushing type straw granule-forming machine from the eighties in 20th century, successively has tens tame institutes, manufacturing enterprise to drop into the shaping fuel technology research and development and utilizes work.At present, the technology of comparative maturity has: screw extruding briquetting, piston extrusion molding, environment extrusion molding, flat-die extrusion molding etc.
At present; Domestic and international also rare this type of complete complete integrated equipment; In the majority all is single compressed moulding equipment, and modal compressed moulding equipment mainly comprises spiral squeezing type granule-forming machine, piston ram-type granule-forming machine and roller granule-forming machine.
The spiral squeezing type granule-forming machine is an Application and Development granule-forming machine the earliest; It is an outer hot briquetting sleeve; Mold temperature is remained between 150 ~ 300 ℃; Utilize screw rod to advance and push biomass, mold temperature makes xylogen and the Mierocrystalline cellulose in the biomass softening, and then fine and closely becomes patch fuel.This moulding and having advantage such as operate steadily, the continuous production shaped fuel is inflammable, but have shortcomings such as raw material water content requirement height, profiled part weak point in work-ing life, energy consumption height.
Piston ram-type granule-forming machine is the compressed moulding that realizes biomass material by the to-and-fro movement of piston generally without indirect heating, is generally used for producing solid bar-shaped or patch fuel.By driving type, piston ram-type granule-forming machine can be divided into mechanical type and two kinds of fluid pressure types, and the former utilizes the flywheel energy stored, through crank railing mechanism drive punching press piston with the raw material compressed moulding; The latter is the pressure that utilizes hydraulic ram to provide, and drives the punching press piston and makes biomass stamping.It is that long, low power consumption and other advantages of life-span is arranged that piston ram-type granule-forming machine has profiled part, but also has shortcomings such as the machine operation stability is poor, noise is big, lubricant pollution is serious.
The groundwork parts of roller granule-forming machine are made up of pressure roller and pressing mold, and wherein pressure roller can rotate around the axle of oneself, and wherein periphery is processed with tooth and groove, is convenient to material and is pressed into and prevents to skid, and is designed with the moulding hole of some amount on the pressing mold.Its principle of work is: under the effect of pressure roller, the biomass material between entering pressure roller and the pressing mold is squeezed in the moulding hole and is extruded then, is cut into the shaped fuel of certain-length at the discharge port place.Different according to structure, the roller granule-forming machine can be divided into flat-die tablets press and ring modeling pelletizer, wherein encircles modeling pelletizer and can be divided into horizontal and vertical two kinds of types again.
On the whole, the research of state endogenous substance flat-die moulding aspect has obtained some progress and achievement, but also has some problems aspect method of production, technical process and the analysis of equipment integral matched performance.(1), flat-die formation theory weak foundation, the shaping characteristic of biomass and mechanism study not enough system with deeply, biomass flat-die technology and development of equipments and application are not arranged at present as yet; (2), there is serious wear in major parts equipment; Maintenance cycle is short; The high shortcoming that consumes energy, and also very immature at biomass flat-die molding research integrated, robotization, flat-die moulding and other equipment such as drying plant, being connected of disintegrating apparatus also are not fine; (3), flat-die is molded over and lacks variation on the mould, be difficult to satisfy different biomass and utilize device requirement; (4), foreign biomolecule matter flat-die technology for compressing and forming comparative maturity, the country that has such as Northern Europe have formed bigger industry size, but complex equipments, cost is very high, and applicable raw materials is mainly the forestry biomass, is not suitable for China's national situation.
Summary of the invention
The present invention provides the agricultural crop straw grain forming that a kind of performance is good, energy consumption is low, productive rate is big, production cost is low device in order to solve weak point of the prior art.
For solving the problems of the technologies described above; The present invention adopts following technical scheme: agricultural crop straw grain forming device; Comprise drying nest, pulverizing part, mass transport part, moulding section and cooling drying separate part; The discharge port of drying nest is connected with the opening for feed of pulverizing part, and the discharge port of pulverizing part is connected with the opening for feed of moulding section through the mass transport part, and the discharge port of moulding section is connected with the opening for feed of cooling drying separate part.
Said drying nest comprises ebullition, gasification stove 12, settling pocket 11 and moisture eliminator 10, and the heat outlet of ebullition, gasification stove 12 is connected with the inlet mouth of moisture eliminator 10 through settling pocket 11; Moisture eliminator 10 is provided with first current sensor 17, first humidity sensor 18 and first TP 19.
Said pulverizing part is the kibbler 1 and first cyclonic separator 2, and the opening for feed of kibbler 1 is connected with the discharge port of moisture eliminator 10, and the discharge port of kibbler 1 is connected with first cyclonic separator, 2 opening for feeds; Kibbler 1 is provided with second current sensor 20.
Said mass transport partly is a worm conveyor 3.
Said moulding section comprises feeding whisking appliance 4, water tank 13 and granule-forming machine 14, and the water spray mouth of pipe of water tank 13 extend in the hopper 16 of feeding whisking appliance 4, and the discharge port of feeding whisking appliance 4 is connected with the opening for feed of granule-forming machine 14; Be provided with second TP 21 and second humidity sensor 22 in the hopper 16, the waste heat outlet of ebullition, gasification stove 12 is communicated with hopper 16.
Said cooling drying separate part comprises water cooler 6, dumper 15, second cyclonic separator 7 and induced draft fan 8; The opening for feed at water cooler 6 tops is connected with the discharge port of granule-forming machine 14 through lift 5; The discharge port of water cooler 6 bottoms is connected with the opening for feed of dumper 15; The particle outlet at water cooler 6 tops is connected with the opening for feed of second cyclonic separator 7, and the venting port of second cyclonic separator 7 is connected with the bleeding point of induced draft fan 8; Be provided with three-temperature sensor 23 in the water cooler 6, be provided with pressure transmitter 24 in the dumper 15.
The opening for feed place of said moisture eliminator 10 is provided with feeder 9.
Adopt technique scheme, the present invention has comprised a cover and has integrated the energy treatment process route of the compact formed intellectuality of stalk drying, pulverizing and cold conditions, robotization, mass-producing.The development and the theory innovation of equipment such as moisture eliminator, kibbler, granule-forming machine, ebullition, gasification stove mainly wrapped up in this technical study; The final production route that forms is: the drying machine that raw materials such as agricultural wastes such as rice stalk, corn cob, straw, wheat stalk, cotton stalk at first are admitted to, and the thermal source of drying machine provides hot blast to get into drying machine through behind the air distribution of settling pocket by the ebullition, gasification stove; Dried material entering kibbler is cut and is rubbed pulverizing, pulverizes after mass transport partly gets into moulding section, gets into the compressing grains shaper, produces glossy, highdensity granular fuel, forms the moulding fuel product through overcooling, separation again.Total system adopts advanced control theory and technology, with the control in real time of temperature, humidity, feeding coal, controlling level (pressure), realizes the intellectuality operation of system.
The beneficial effect that the present invention has is following:
⑴, fundamental research: utilize the ANSYS finite element software more in depth to study biomass moulding characteristic and grain forming mechanism; For biomass flat-die technology and development of equipments and application provide infrastructural support, and its key part and technical parameter are optimized design.
⑵ the optimization of, components: major parts equipment meets actual motion mechanism more after software optimization, wear and tear little, the life-span is long, reduces maintenance.
⑶, mould structure: researched and developed the transformable biomass moulding equipment of flat-die scantlings of the structure, realized the seriation exploitation of flat-die forming mould and equipment, it is wide to produce the shaped fuel diameter range, has adapted to different user demands better.
⑷, control section: the biomass material temperature in the flat-die moulding, humidity, flow, material level significant parameters such as (pressure) are carried out robotization control; Putty and fault that pressure roller, phonomoter etc. cause because of the type variation of raw material have been reduced; Control in real time through team's flat-die granule-forming machine, achieved intelligent, the visual operation of parameter.
According to the real-time monitoring of first TP in the moisture eliminator and first humidity sensor, realize the automatic control of ebullition, gasification stove operation, make it that hot blast of relevant temperature and total amount can be provided for moisture eliminator according to the requirement of total program; The automatic control of moisture eliminator operation can make moisture eliminator under the requirement of total program, be dried to suitable moisture to biomass material with the highest heat utilization efficiency, and according to the real-time monitoring of first current sensor; If electric current is less; Be drying operation slow, need the exsiccant time long, then downward modulation pulverize part, mass transport partly, the travelling speed or the Suspend Job of moulding section and cooling drying separate part, save energy so more; Otherwise, then strengthen the travelling speed of other parts;
Through of the real-time monitoring of second current sensor to kibbler; If electric current is excessive, just know that material is difficult for pulverizing, need the time of comminution process long; Then reduce the travelling speed or the Suspend Job of drying nest, mass transport part, moulding section and cooling drying separate part; Save energy so more, otherwise, the travelling speed of other parts then strengthened;
Real-time monitoring through second TP and second humidity sensor; Can realize adjusting temperature and add the water process control; As control the ebullition, gasification stove to what of the hot gas of hopper; Be lower than the optimum moisture content that moulding process requires like the original water ratio of biomass, can be after pulverizing as yet not the biomass of moulding add certain moisture, reach the requirement of moulding process;
Real-time monitoring through three-temperature sensor reaches cooling temperature, and cool dryers is opened discharge port; Transfer shaped fuel to dumper, the material level in the dumper reaches specified altitude, and promptly pressure reaches set(ting)value; Pressure transmitter perception in the dumper, dumper carries out the blowing operation.
⑸, self-adaptation operating mode: the present invention adopts present advanced person's robotization control theory and technology; Realize the robotization of biomass energy pretreatment system production technique, intelligent control; The technological integrated level of raising equipment further reduces cost, and improves output.Can move automatically, also can manually control.Automatic mode can be adjusted the operating parameter of production line according to requirements such as the kind of raw material, water ratio down automatically.Different characteristics to raw materials such as corn straw, corn cob, straw, wheat stalk, cotton stalks according to its requirement to molding parameter, has the Different control program, calls corresponding database respectively, and it is worked under optimum regime.To the various process of moulding process, corresponding sub-routine is also arranged, the equipment of each workshop section is worked under optimum regime.
⑹, integrated design: the seamless connection of flat-die moulding and other equipment drying plants, disintegrating apparatus; Make the work of a whole set of equipment flow line; Consume energy low, efficient is high; Impelled flow line production, the automatically working of biomass flat-die shaped fuel, reduced the manual work and the amount of labour used, for large-scale production provides safeguard.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1; Agricultural crop straw grain forming device of the present invention; Comprise drying nest, pulverizing part, mass transport part, moulding section and cooling drying separate part; The discharge port of drying nest is connected with the opening for feed of pulverizing part, and the discharge port of pulverizing part is connected with the opening for feed of moulding section through the mass transport part, and the discharge port of moulding section is connected with the opening for feed of cooling drying separate part.
Drying nest comprises ebullition, gasification stove 12, settling pocket 11 and moisture eliminator 10, and the heat outlet of ebullition, gasification stove 12 is connected with the inlet mouth of moisture eliminator 10 through settling pocket 11, and the opening for feed place of moisture eliminator 10 is provided with feeder 9; Moisture eliminator 10 is provided with first current sensor 17, first humidity sensor 18 and first TP 19.
Drying is that biomass are carried out the pretreated primary link of energy, and the heat source of moisture eliminator 10 is provided by biomass ebullition, gasification stove 12, and this vapourizing furnace is a fuel with biomass, without fossil energy.The hot blast that ebullition, gasification stove 12 produces through settling pocket 11 air distributions after flue-gas temperature be controlled at about 350 degree, get into moisture eliminator 10 then.According to first TP 19 in the moisture eliminator 10 and the real-time monitoring of first humidity sensor 18, realize the automatic control of ebullition, gasification stove 12 operations, making it can be the hot blast that moisture eliminator 10 provides relevant temperature and total amount according to the requirement of total program; The automatic control of moisture eliminator 10 operations; Can make moisture eliminator 10 under the requirement of total program, be dried to suitable moisture to biomass material with the highest heat utilization efficiency; And according to the real-time monitoring of first current sensor 17, if electric current is less, promptly drying operation slow, need the exsiccant time long; Then the travelling speed or the Suspend Job of part, mass transport part, moulding section and cooling drying separate part pulverized in downward modulation; Save energy so more, otherwise, the travelling speed of other parts then strengthened; For guaranteeing when EAT is 350 ℃; 80 ℃ of temperature of outgoing airs; First current sensor, 17 operation scheme in the moisture eliminator 10 are: be higher than 80 ℃ when control center detects temperature of outgoing air; Dragging motor to moisture eliminator 10 sends the instruction that reduces rotating speed, and material residence time in drying plant increases, thereby has improved the efficiency of utilization of drying plant.
Pulverize part and comprise the kibbler 1 and first cyclonic separator 2, the opening for feed of kibbler 1 is connected with the discharge port of moisture eliminator 10, and the discharge port of kibbler 1 is connected with first cyclonic separator, 2 opening for feeds; Kibbler 1 is provided with second current sensor 20.
Dried material is pulverized through kibbler 1 earlier; Bigger to water ratio difference in the raw material; The comminuting matter kind is unfixing; Developed and have preferably the combined bio matter of material suitability and moisture suitability and cut and rub disintegrating apparatus, it is equipped with fan blade on main shaft, can blow out crushiing chamber to material by certain wind speed.First cyclonic separator 2 disposes blower fan no longer separately, and resistance is less, and efficient is high.Material through pulverizing is further separated and collection by first cyclonic separator 2, and the defective material of collection is recycled again.Real-time monitoring through 20 pairs of kibblers 1 of second current sensor; If electric current is excessive, just know that material is difficult for pulverizing, need the time of comminution process long; Then reduce the travelling speed or the Suspend Job of drying nest, mass transport part, moulding section and cooling drying separate part; Save energy so more, otherwise, the travelling speed of other parts then strengthened.
Moulding section comprises feeding whisking appliance 4, water tank 13 and granule-forming machine 14, and the water spray mouth of pipe of water tank 13 extend in the hopper 16 of feeding whisking appliance 4, and the discharge port of feeding whisking appliance 4 is connected with the opening for feed of granule-forming machine 14; Be provided with second TP 21 and second humidity sensor 22 in the hopper 16, the waste heat outlet of ebullition, gasification stove 12 is communicated with hopper 16.Mass transport partly is that the discharge port of worm conveyor 3, the first cyclonic separators 2 is connected with the opening for feed of worm conveyor 3, and the discharge port of worm conveyor 3 is connected with the hopper 16 of feeding whisking appliance 4.
Worm conveyor 3 can be according to the throughput of the adjustment of the factors such as material diameter after pulverizing worm conveyor 3; Material is getting into feeding whisking appliance 4 through worm conveyor 3 again after the separation of first cyclonic separator 2, transferring to water ratio pulverulent material adds water in hopper 16 after is 12～30%.Water by topping-up pump pressurization (water pressure is 0.1MPa), is sprayed in the feeding whisking appliance 4 by water jet standpipe in water tank 13, makes the water ratio of material reach 12～30%.After in feeding whisking appliance 4, stirring and meeting the processing condition of moulding, material is sent into granule-forming machine 14 compressed mouldings.Pulverulent material moulding in granule-forming machine 14.
Real-time monitoring through second TP 21 and second humidity sensor 22; Can realize adjusting temperature and add the water process control; As control ebullition, gasification stove 12 to what of the hot gas of hopper 16; Be lower than the optimum moisture content that moulding process requires like the original water ratio of biomass, can be after pulverizing as yet not the biomass of moulding add certain moisture, reach the requirement of moulding process.
The cooling drying separate part comprises cool dryers 6, dumper 15, second cyclonic separator 7 and induced draft fan 8; The opening for feed at cool dryers 6 tops is connected with the discharge port of granule-forming machine 14 through lift 5; The discharge port of cool dryers 6 bottoms is connected with the opening for feed of dumper 15; The particle outlet at cool dryers 6 tops is connected with the opening for feed of second cyclonic separator 7, and the venting port of second cyclonic separator 7 is connected with the bleeding point of induced draft fan 8; Be provided with three-temperature sensor 23 in the cool dryers 6, be provided with pressure transmitter 24 in the dumper 15.
Because the temperature of the discharge port place granular fuel of granule-forming machine 14 is about 60～70 ℃, water ratio is 12～25%, and the hardness of this moment is lower, is difficult for storing and transportation, therefore need carry out cooling drying to granular fuel.Shaped fuel is sent into cool dryers 6 by chapelet 5, and the operational throughput of lift 5 depends on value of line load (weight of material on the unit length) and pulling speed.Granular fuel by falling into dumper 15 after the chilled air cools drying, is accomplished granular fuel and separating of moulding powder not in cool dryers 6.The principle of work of cool dryers 6 is; Hot granular fuel directly gets into cool dryers 6 through import, and falls on the discharging grid of bottom, when solid accumulation to level detector upper limit position; The discharging grid relatively moves under the drive of motor, begins to discharge shaped granule fuel.Under the effect of induced draft fan 8, the particles in the cool dryers 6 are pumped to second cyclonic separator, 7, the second cyclonic separators 7 material that will mince to be separated and collects recycling then.
The present invention includes the complete biomass moulding suite of equipment and the technological process of production of a cover such as biomass drying, pulverizing, conveying, moisture adjustment, compressed moulding, cooling drying separation, realize system-wide integrated operation; According to the operation condition of the variation automatic adjustment equipment of conditions such as material feeding amount, crushing quantity, heat supplied load and moisture content of material, realize automatic operating, make this system's operation continous-stable, form large-scale production.
Main measuring ability of the present invention has: control center can carry out online detection to the water ratio that advances the biomass before the granule-forming machine 14, to the electric current of kibbler 1, granule-forming machine 14 carry out on-line monitoring, to getting into hot blast and the online detection of moisture temperature of discharge before the drying plant, the online detection of temperature and humidity of feeding warehouse 16.
Main regulatory function of the present invention has: can carry out step-less adjustment, the feed belt machine of moisture eliminator 10 is carried out step-less adjustment, the air distribution motor is carried out step-less adjustment, the dragging motor of moisture eliminator 10 is carried out step-less adjustment the reinforced and air blast of ebullition, gasification stove.
Its control process is: when the water ratio that control center detects shaping raw material is higher than required water ratio; Can call the hot blast sequence of control simultaneously; Increase the content of high-temperature flue gas; Temperature will guarantee to reduce the rotating speed of dragging motor simultaneously in the temperature of setting, and makes the heat utilization efficiency of moisture eliminator 10 remain on higher level; Be lower than the value of setting like water ratio, then regulate in the opposite direction, start and add the water program, increase the raw material water ratio, to satisfy the requirement of molding device to raw material moisture.The main motor working current that inspection center detects kibbler 1 or granule-forming machine 14 is during greater than set(ting)value; Then reduce the rotating speed of moisture eliminator 10 feed belts; Reduce feeding coal, the also corresponding minimizing of product air quantity of ebullition, gasification stove 12 simultaneously, moisture eliminator 10 dragging motor rotating speeds increase.
Exsiccant simultaneously control center's funnel temperature of detecting moisture eliminator 10 increases, and control center sends and reduces the dragging motor rotary speed instruction, increases the time of drying of raw material, makes moisture eliminator 10 exhaust temperatures maintain 80 ℃ of design.Make the drying efficiency of moisture eliminator 10 the highest.The control process of drying nest operating parameter is: when adding the water ratio increase of material, under the effect of control center, the high-temperature flue gas amount that ebullition, gasification stove 12 provides is also corresponding, and is constant like the dry materials time, and funnel temperature can raise, and its drying efficiency can descend.And dry control sub-routine can address this problem preferably.When the exhaust temperature that detects moisture eliminator 10 when control center is higher than 80 ℃ of setting; The dry sub-routine of control center starts; Send instruction and reduce motor speed, improve the dry materials time, the abundant and material heat exchange of high-temperature flue gas ability; Thereby the reduction exhaust temperature can guarantee that moisture eliminator 10 works under higher efficient.
Variation through raw material moisture and forming pressure in second humidity sensor 22 and the pressure transmitter 24 continuously measured device fabrication processes; Adopt microcomputerized control to adjust water discharge rate and the delivery rate of feeding whisking appliance 4 reinforced augers of the water tank 13 of feed system automatically according to observed value; Thereby keep granule-forming machine 14 under the shaping raw material moisture of the best and forming pressure, to work all the time, reach most economical running status.Its moisture controlled precision is in ± 3%, and the forming pressure control accuracy is in ± 1Mpa.
In sum, the present invention adopts incorporate automatic control system, realizes that each link of biomass moulding is moved automatically; Reduced manual operation; The assurance system is operation automatically under the operating mode of optimizing, and energy consumption and labour cost are low, and the biomass drying process adopts the Boiling Combustion technology that thermal source is provided; Do not consume traditional energy, the equipment heat utilization efficiency can reach more than 60%.
Drying, the peaceful mold pressing of pulverizing that the present invention integrates biomass shorten type, cooling drying into; Its idiographic flow is: in the moisture eliminator 10 that feeder 9 is sent into biomass material; Form efficient air current composition through equipressure shunting pressurizer tank and board-like jet hot-plate and carry out drying; The moisture unevenness of dried material is less than 3%, but its water ratio flexible, and the equipment heat utilization efficiency is not less than 60%.Dried biomass get into kibbler 1, utilize that balance is good, vibration is little, crush efficiency is high, energy consumption hangs down biomass and cut and rub powder-making machine and carry out cutting and grinding, make its particle diameter at 3～6mm to satisfy next step compressed moulding.Biomass after the pulverizing partly get into granule-forming machine 14 through mass transport, and it is the biomass molding fuel of 0.9～1.3g/cm3 that the compression back forms density.Last again through the cooling of cool dryers 6 and the water ratio of further reduction shaped fuel.Solid line is a biomass material moulding route among the figure, and dotted line is hot blast and flue gas route.
Claims (7)
1. agricultural crop straw grain forming device; It is characterized in that: comprise drying nest, pulverizing part, mass transport part, moulding section and cooling drying separate part; The discharge port of drying nest is connected with the opening for feed of pulverizing part; The discharge port of pulverizing part is connected with the opening for feed of moulding section through the mass transport part, and the discharge port of moulding section is connected with the opening for feed of cooling drying separate part.
2. agricultural crop straw grain forming device according to claim 1; It is characterized in that: said drying nest comprises ebullition, gasification stove (12), settling pocket (11) and moisture eliminator (10), and the heat outlet of ebullition, gasification stove (12) is connected with the inlet mouth of moisture eliminator (10) through settling pocket (11); Moisture eliminator (10) is provided with first current sensor (17), first humidity sensor (18) and first TP (19).
3. agricultural crop straw grain forming device according to claim 2; It is characterized in that: said pulverizing part comprises kibbler (1) and first cyclonic separator (2); The opening for feed of kibbler (1) is connected with the discharge port of moisture eliminator (10), and the discharge port of kibbler (1) is connected with first cyclonic separator (2) opening for feed; Kibbler (1) is provided with second current sensor (20).
4. agricultural crop straw grain forming device according to claim 1 is characterized in that: said mass transport partly is worm conveyor (3).
5. agricultural crop straw grain forming device according to claim 2; It is characterized in that: said moulding section comprises feeding whisking appliance (4), water tank (13) and granule-forming machine (14); The water spray mouth of pipe of water tank (13) extend in the hopper (16) of feeding whisking appliance (4), and the discharge port of feeding whisking appliance (4) is connected with the opening for feed of granule-forming machine (14); Be provided with second TP (21) and second humidity sensor (22) in the hopper (16), the waste heat outlet of ebullition, gasification stove (12) is communicated with hopper (16).
6. agricultural crop straw grain forming device according to claim 5; It is characterized in that: said cooling drying separate part comprises cool dryers (6), dumper (15), second cyclonic separator (7) and induced draft fan (8); The opening for feed at cool dryers (6) top is connected with the discharge port of granule-forming machine (14) through lift (5); The discharge port of cool dryers (6) bottom is connected with the opening for feed of dumper (15); The particle outlet at cool dryers (6) top is connected with the opening for feed of second cyclonic separator (7), and the venting port of second cyclonic separator (7) is connected with the bleeding point of induced draft fan (8); Cool dryers is provided with three-temperature sensor (23) in (6), is provided with pressure transmitter (24) in the dumper (15).
7. according to each described agricultural crop straw grain forming device of claim 2～6, it is characterized in that: the opening for feed place of said moisture eliminator (10) is provided with feeder (9).
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| CN2011204865445U CN202322767U (en) | 2011-11-30 | 2011-11-30 | Crop straw particle forming device |
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| CN2011204865445U CN202322767U (en) | 2011-11-30 | 2011-11-30 | Crop straw particle forming device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409196A (en) * | 2013-08-29 | 2013-11-27 | 南京侨兴环保设备有限公司 | Recycling guiding groove with biomass power generation function |
| CN104199480A (en) * | 2014-08-26 | 2014-12-10 | 无锡市华牧机械有限公司 | Heating circuit used in biomass particle machine |
| CN104228112A (en) * | 2014-09-24 | 2014-12-24 | 济南联星石油化工有限公司 | Biomass fuel forming device |
| CN104959076A (en) * | 2014-06-19 | 2015-10-07 | 安阳吉姆克能源机械有限公司 | Flat-mold biomass granulating apparatus with raw material pre-optimization function |
| CN105289414A (en) * | 2015-11-13 | 2016-02-03 | 浙江中源电气成套技术有限公司 | Movable-type biomass collection and granulation system |
| CN107774424A (en) * | 2016-08-30 | 2018-03-09 | 盐城颖泰秸秆技术发展有限公司 | Utensil made of one kind biomass straw packs intelligent device |
| CN110262382A (en) * | 2019-07-17 | 2019-09-20 | 山东宇冠机械有限公司 | A kind of biomass production line data acquisition control system |
| CN115502169A (en) * | 2022-09-16 | 2022-12-23 | 上海核原环保科技有限公司 | Solid waste feeding system and feeding process |
-
2011
- 2011-11-30 CN CN2011204865445U patent/CN202322767U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409196A (en) * | 2013-08-29 | 2013-11-27 | 南京侨兴环保设备有限公司 | Recycling guiding groove with biomass power generation function |
| CN104959076A (en) * | 2014-06-19 | 2015-10-07 | 安阳吉姆克能源机械有限公司 | Flat-mold biomass granulating apparatus with raw material pre-optimization function |
| CN104199480A (en) * | 2014-08-26 | 2014-12-10 | 无锡市华牧机械有限公司 | Heating circuit used in biomass particle machine |
| CN104228112A (en) * | 2014-09-24 | 2014-12-24 | 济南联星石油化工有限公司 | Biomass fuel forming device |
| CN105289414A (en) * | 2015-11-13 | 2016-02-03 | 浙江中源电气成套技术有限公司 | Movable-type biomass collection and granulation system |
| CN107774424A (en) * | 2016-08-30 | 2018-03-09 | 盐城颖泰秸秆技术发展有限公司 | Utensil made of one kind biomass straw packs intelligent device |
| CN110262382A (en) * | 2019-07-17 | 2019-09-20 | 山东宇冠机械有限公司 | A kind of biomass production line data acquisition control system |
| CN115502169A (en) * | 2022-09-16 | 2022-12-23 | 上海核原环保科技有限公司 | Solid waste feeding system and feeding process |
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