CN103882562B - A kind of long bamboo fibre drying and dust separation method and dry and powder dust separating device - Google Patents
A kind of long bamboo fibre drying and dust separation method and dry and powder dust separating device Download PDFInfo
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- CN103882562B CN103882562B CN201410129566.4A CN201410129566A CN103882562B CN 103882562 B CN103882562 B CN 103882562B CN 201410129566 A CN201410129566 A CN 201410129566A CN 103882562 B CN103882562 B CN 103882562B
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Abstract
A kind of long bamboo fibre drying and dust separation method and dry and powder dust separating device, multistage long bamboo fibre drying is adopted to carry out drying and dust separation with dust separation method to long bamboo fibre: long bamboo fibre to be placed in the drying of plural cartridge type rotor and to carry out drying with separator and be separated, and the rotating speed of every one-level cartridge type rotor drying and separator is higher than the rotating speed of previous stage, the mode increased progressively by rotating speed accelerates the acceleration flowing of long bamboo fibre in drying device, the putty phenomenon produced after avoiding fiber accumulations.
Description
Technical field
The invention belongs to a kind of processing method and treating apparatus of material, especially bamboo wood after chemistry or biofermentation process by mechanical fibrillation, form the drying of the wet shape mixture of long bamboo fibre and dust and separation method and device; Be mainly used in the production of long bamboo fibre.
Background technology
Long bamboo fibre is a kind of green ecological environmental protection fiber extracted from bamboo by high-tech means, long bamboo fibre refers to Main Tissues---the vascular bundle fiber of composition bamboo wood, being mainly used in bamboo fiber composite material manufacture (as automotive interior material) and high-grade fabric fabric, is the promising natural fabric of 21st century most.Long bamboo fibre utilizes bamboo wood to make, bamboo wood through chemistry or biofermentation process after by mechanical fibrillation, form the wet shape mixture of long bamboo fibre and dust; In long bamboo fibre manufacturing process, the drying of its long bamboo fibre and dust is important step in long bamboo fibre production process with being separated.Because long bamboo fibre and dust are wet shape mixtures in manufacturing process, the dust adhesion of wet shape is on the surface of long bamboo fibre, both are caused to be difficult to be separated, with the length of duration bamboo fibre generally in 60-400mm scope, be easy to the winding caused in drying device, because easily cause the putty of drying device and fiber flow not smooth.The manufacture difficulty causing long bamboo fibre is very large, and the drying therefore how processing long bamboo fibre and dust is difficult point in long bamboo fibre production process with being separated.
Directly identical with the technology of the present invention patent is not found, just has some about the patent of bamboo fiber extraction aspect have the patent necessarily associated to mainly contain following with the present invention by retrieval:
1, the patent No. is CN201010274941, name is called " device for collecting bamboo fibers ", which disclose a kind of device for collecting bamboo fibers, comprise licker-in (2), the rotating cage (3) of surperficial uniform mesh, rotating cage inner bag (6), Lv Chen mechanism, transmission mechanism, frame (10) and fiber collecting case (5); Rotating cage (3) follows licker-in (2) closely and layout in parallel; Described rotating cage inner bag (6) comprises uniform meshed urceolus, internal layer semicircular arc air cutting plate (4) and rotating cage inner bag two ends plug (8), and two of air cutting plate (4) are provided with sealing gasket (7) between limit and urceolus; Rotating cage inner bag (6) is fixed in frame (10) and does not rotate, and rotating cage (3) cover rotates outside the tank under transmission mechanism drives; Described Lv Chen mechanism comprises dust suction and chews (9), pipeline (11), blower fan (12) and dust bag (13).
2, the patent No. is CN201020521435, name is called " device for collecting bamboo fibers ", which disclose a kind of device for collecting bamboo fibers, comprise licker-in (2), the rotating cage (3) of surperficial uniform mesh, rotating cage inner bag (6), Lv Chen mechanism, transmission mechanism, frame (10) and fiber collecting case (5); Rotating cage (3) follows licker-in (2) closely and layout in parallel; Described rotating cage inner bag (6) comprises uniform meshed urceolus, internal layer semicircular arc air cutting plate (4) and rotating cage inner bag two ends plug (8), and two of air cutting plate (4) are provided with sealing gasket (7) between limit and urceolus; Rotating cage inner bag (6) is fixed in frame (10) and does not rotate, and rotating cage (3) cover rotates outside the tank under transmission mechanism drives; Described Lv Chen mechanism comprises dust suction and chews (9), pipeline (11), blower fan (12) and dust bag.
3, the patent No. is CN201310459635, name is called " a kind of preparation technology of bamboo fiber ", which discloses a kind of preparation technology of bamboo fiber, comprises the steps: (1) preliminary treatment: natural bamboo chip is put in pretreatment fluid, regulate pH, normal temperature process; (2) alkaline scouring: bamboo fibre is put in alkali treatment liquid, boils 1h ~ 3h; (3) bleach: adopt DMD delignification to bleach, pH value 7 ~ 7.5, temperature 40 DEG C ~ 80 DEG C, time 60min ~ 120min; (4) pickling, washing: in the sulfuric acid of 1g/L, bath raio 1:15, processes 30min under normal temperature, normal pressure, then uses 25 DEG C of water washings; (5) drying and other treatment, combing, screening: fiber is put in baking oven and removes moisture, then combing is separated, and dry sieve selects the fiber satisfied condition.
4, the patent No. is CN93108031, and name is called " production method of bamboo fibre ", and which disclose a kind of method of producing bamboo fibre, it comprises following operation: the first, rolles over broken bamboo with rivet bucker along bamboo production mode reform; The second, make from the broken bamboo fiber of the rolling of first operation gained with the sledge mill type grinder with a specialized agency; 3rd, from the bamboo fibre that second operation work obtains, isolate thin skin part in the bamboo be blended in wherein.
Although these patents above-mentioned relate to the separation method of bamboo fibre, but do not mention long bamboo fibre and dust, the most close technology of itself and the present invention is CN93108031 patent, this patent proposes " isolating thin skin part in the bamboo that is blended in wherein in bamboo fibre ", but be in water, by immersion, thin skin part in bamboo is floated be separated by " the isolating thin skin part in the bamboo that is blended in wherein in bamboo fibre " of reading that description can know that this patent proposes, still very large difference is had be separated from wet shape mixture long bamboo fibre and dust desired by the present invention, so still there is foregoing problem, therefore be still necessary in long bamboo fibre manufacturing process, the processing method being separated long bamboo fibre and dust from long bamboo fibre and dust wet shape mixture is improved.
Summary of the invention
The object of the invention is to in current long bamboo fibre manufacturing process, from long bamboo fibre and dust wet shape mixture, be separated the problem existing for processing method of long bamboo fibre and dust, a kind of from long bamboo fibre and dust wet shape mixture, be effectively separated long bamboo fibre and dust processing method and device are provided.
For realizing object of the present invention, the implementer's case proposed is a kind of long bamboo fibre drying and dust separation method, multistage long bamboo fibre drying is adopted to carry out drying and dust separation with dust separation method to long bamboo fibre: long bamboo fibre to be placed in the drying of plural cartridge type rotor and to carry out drying with separator and be separated, and the rotating speed of every one-level cartridge type rotor drying and separator is higher than the rotating speed of previous stage, the mode increased progressively by rotating speed accelerates the acceleration flowing of long bamboo fibre in drying device, the putty phenomenon produced after avoiding fiber accumulations.
Further, described multistage long bamboo fibre is dry and dust separation method carries out drying to long bamboo fibre and dust separation is three grades, three grades of cartridge type rotors are dry identical with structure with the profile of separator, the wherein rotary speed of rotator control 60-80 rev/min of the drying of one-level cartridge type rotor and separator, the rotary speed of rotator control 90-120 rev/min of the drying of secondary cartridge type rotor and separator, the rotary speed of rotator control 120-150 rev/min of three grades of cartridge type rotor dryings and separator.
Further, described three grades of cartridge type rotors are dry contrary with hot blast direction with the logistics direction in separator, extended heated time and the moisture evaporation time of long bamboo fibre by logistics direction and the reverse flow of hot blast direction, be conducive to improving drying efficiency and improving dry mass.
Further, described three grades of cartridge type rotors dry with separator in be provided with rotor, logistics can be promoted by rotor turns on the one hand to move forward, long bamboo fibre thermally equivalent and moisture evaporation is conducive on the other hand by the tipping effect of rotor to long bamboo fibre, moreover be can allow dust and fiber separation by the mechanical agitation effect of rotor, and be separated by the screen cloth of below.
Further, described three grades of cartridge type rotors drying and separator inwall are equipped with spiral guide plate, impel long bamboo fibre to advance along screw line in an orderly manner by spiral guide plate.
Further, described three grades of cartridge type rotors are dry is followed successively by that one-level is minimum, secondary is higher with hot blast temperature in separator, three grades the highest, its hot blast humidity is just contrary, one-level humidity is the highest, secondary humidity is lower, three grades of humidity are minimum, the rapid draing of all favourable long bamboo fibre of arrangement of this temperature and humidity.
Realize multistage long bamboo fibre drying and the powder dust separating device of above-mentioned long bamboo fibre drying and dust separation method, comprise internal structure and be separated cylinder, hot-blast stove and frame with multiple dryings of adjoining dimensions; It is characterized in that, it is the formation multilevel drying arranged together separation cylinder that is together in series that multiple drying is separated cylinder, and the outlet that upper level drying is separated cylinder connects the entrance that next stage drying is separated cylinder; Multiple drying is separated cylinder and is placed in frame, hot-blast stove is placed on dry separation cylinder side, and the hot blast of hot-blast stove delivery outlet is separated cylinder with the drying of most end one-level is communicated with, the hot blast of hot-blast stove delivery outlet is separated cylinder by the drying of most end one-level and enters in multilevel drying separation cylinder, is separated cylinder discharges from first order drying.
Further, it is three grades that described multilevel drying is separated cylinder, three grades of cartridge type rotors are dry identical with structure with the profile of separator, the wherein rotary speed of rotator control 60-80 rev/min of the drying of one-level cartridge type rotor and separator, the rotary speed of rotator control 90-120 rev/min of the drying of secondary cartridge type rotor and separator, the rotary speed of rotator control 120-150 rev/min of three grades of cartridge type rotor dryings and separator.
Further, described multilevel drying is separated in cylinder and is provided with rotor, logistics can be promoted by rotor turns on the one hand to move forward, long bamboo fibre thermally equivalent and moisture evaporation is conducive on the other hand by the tipping effect of rotor to bamboo fibre, moreover be can allow dust and fiber separation by the mechanical agitation effect of rotor, and be separated by the screen cloth of below.
Further, three grades of described cartridge type rotors dryings and separator inwall are equipped with spiral guide plate, impel long bamboo fibre to advance along screw line in an orderly manner by spiral guide plate.
The invention has the advantages that: the present invention takes multi-stag Rotary drying and is separated, get up to carry out multi-stag Rotary drying and be separated with separation apparatuses in series by multistage cartridge type rotor drying, and the rotating speed of every one-level cartridge type rotor drying and separator is higher than the rotating speed of previous stage, the mode increased progressively by rotating speed accelerates the acceleration flowing of long bamboo fibre in drying device, the putty phenomenon produced after avoiding fiber accumulations; The present invention mainly contains following characteristics:
(1) three grade of cartridge type rotor is dry identical with structure with the profile of separator, the wherein rotary speed of rotator control 60-80 rev/min of the drying of one-level cartridge type rotor and separator, the rotary speed of rotator control 90-120 rev/min of the drying of secondary cartridge type rotor and separator, the rotary speed of rotator control 120-150 rev/min of three grades of cartridge type rotor dryings and separator, be conducive to accelerating the acceleration flowing of long bamboo fibre in drying device, the putty phenomenon produced after avoiding fiber accumulations by increasing progressively of this rotating speed.
(2) three grades of cartridge type rotors are dry contrary with hot blast direction with the logistics direction in separator, although long bamboo fibre diameter is little, length is large, surface area is large, it is heated and to evaporate moisture content faster, be well suited for rapid draing, but cause because wet shape material is easily sticked together inequality of being heated, and affect moisture evaporation rate and dry uniformity.Therefore the heated time of the long bamboo fibre of the favourable prolongation of reverse flow and moisture evaporation time, is conducive to improving drying efficiency and improving dry mass.
(3) three grades of cartridge type rotor dryings and built-in rotor in separator, logistics can be promoted by rotor turns on the one hand to move forward, that the tipping effect of rotor to bamboo fibre is conducive to long bamboo fibre thermally equivalent and moisture evaporation on the other hand, moreover be can allow dust and fiber separation by the mechanical agitation effect of rotor, and be separated by the screen cloth of below.
(4) three grades of cartridge type rotor dryings and separator inwall are equipped with spiral guide plate, long bamboo fibre can be impelled to advance along screw line in an orderly manner.
(5) three grades of cartridge type rotors are dry is followed successively by that one-level is minimum, secondary is higher with hot blast temperature in separator, three grades the highest, its hot blast humidity is just contrary, one-level humidity is the highest, secondary humidity is lower, three grades of humidity are minimum, the rapid draing of all favourable long bamboo fibre of arrangement of this temperature and humidity.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the side schematic view of accompanying drawing 1;
Fig. 3 is the structural representation that the present invention one drying is separated cylinder;
Fig. 4 is the A-A generalized section of accompanying drawing 3;
Fig. 5 is the side schematic view of accompanying drawing 3.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described, but apparently, drawings and Examples in the following describes are only a part of embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other embodiment can also be obtained according to these accompanying drawings.Simple change and the replacement of any those ordinary skill in the art are all within protection of the present invention.
Embodiment one
Attached Fig. 1 and 2 gives a specific embodiment of the present invention, can be found out by accompanying drawing, the present invention relates to a kind of three grades long bamboo fibres drying and powder dust separating device, comprise internal structure and be separated cylinder 2,5 and 7, hot blast 13 and frame 4,8 and 9 with multiple dryings of adjoining dimensions; And three dry cylinders that are separated are the formation multilevel drying arranged together separation cylinders that are together in series, and the outlet that upper level drying is separated cylinder connects the entrance 6 that next stage drying is separated cylinder; Multiple drying is separated cylinder and is placed in frame 4,8 and 9, hot-blast stove 13 is placed on dry separation cylinder side, and the hot blast of hot-blast stove delivery outlet is separated cylinder with the drying of most end one-level is communicated with, the hot blast of hot-blast stove delivery outlet is separated cylinder by the drying of most end one-level and enters in multilevel drying separation cylinder, is separated cylinder discharges from first order drying.
Described three grades of cartridge type rotors are dry identical with structure with the profile of separator, the wherein rotary speed of rotator control 60-80 rev/min of the drying of one-level cartridge type rotor and separator, the rotary speed of rotator control 90-120 rev/min of the drying of secondary cartridge type rotor and separator, the rotary speed of rotator control 120-150 rev/min of three grades of cartridge type rotor dryings and separator.
Described multilevel drying is separated in cylinder and is provided with rotor, logistics can be promoted by rotor turns on the one hand to move forward, long bamboo fibre thermally equivalent and moisture evaporation is conducive on the other hand by the tipping effect of rotor to bamboo fibre, moreover be can allow dust and fiber separation by the mechanical agitation effect of rotor, and be separated by the screen cloth of below.
Three grades of described cartridge type rotors dryings and separator inwall are equipped with spiral guide plate, impel long bamboo fibre to advance along screw line in an orderly manner by spiral guide plate.
Accompanying drawing 3-5 is the structural representation that first order drying is separated cylinder, as can be seen from accompanying drawing, described drying is separated cylinder and comprises cylinder 24, rotor 25 is provided with in cylinder, rotor 25 is fixed by welding in rotating shaft 19, and rotate with rotating shaft 19, rotating shaft 19 is arranged on cylinder 24 by bearing 18; The surface soldered of rotor 25 has discaling roll 21 and spiral guide plate; Heat-insulation layer 20 is surrounded by the outer surface of cylinder 24.
Three grades of cartridge type rotor operation principles that are dry and separator are: to be dried and mixed material that is dust separation sends into one-level dryer cylinder 2 by conveyer belt by charging aperture 1, under the driving of motor 3 pairs of rotors 25, rotor circles, epitrochanterian discaling roll 21 can drive the mixed material of long bamboo fibre to be dried and dust to carry out circular motion equally, centrifugation is produced to long bamboo fibre and dust simultaneously, force the abundant transmission of heat by contact of the hot-air of mixed material and dryer cylinder simultaneously, the moisture of long bamboo fibre and dust is evaporated.Due to the inwall of dryer cylinder being provided with spiral guide plate 22, mixed material therefore can being forced for the helical movement and push ahead along inwall in dryer cylinder, enter into secondary drying cylinder 5 from one-level discharging opening (secondary charging aperture) 16.Equally by the drying of secondary cylinder be separated, enter into three-stage drying cylinder 7 again, by the separation of mixed material of totally three grades with dry, the moisture content of mixed material can be made to be reduced to less than 10%, simultaneously by the strike effect of discaling roll 21 repeatedly, dust has no longer sticked on the surface of long bamboo fibre, thus dust can be made from dust discharging opening 10 dry and separator is discharged by the dust screen cloth 11 being contained in three-stage drying cylinder, simultaneously in order to prevent hot-air from overflowing from dust discharging opening 10, therefore valve is equipped with dust discharging opening 10, after dry and the long bamboo fibre of cleaning eliminating dust discharge from fiber discharging opening 12.Desiccant hot-air is that hot-blast stove 13 passes through coal combustion, or bamboo bits discarded object, or the air that air-heater 15 blasts is carried out heat exchange by red-hot flue gas that bamboo dust produces indirectly, hot air is made to arrive 120-200 DEG C, send into third level dryer cylinder 7 successively, second level dryer cylinder 5 and first order dryer cylinder 2, because hot-air is just in time contrary with the moving direction of mixed material at the flow direction of dryer cylinder, favourable heat transfer, the hot blast of high temperature low temperature is conducive to the adsorbed water of evaporating the more difficult evaporation of fibrous inside with more dry fiber contacts simultaneously, and to flow in first order dryer cylinder be the hot-air of low temperature and high relative humidity be that the wet mixed material very high with moisture content contacts, the pre-heat effect of material can be played, the hot-air of simultaneously discharging from the charging aperture 1 of first order dryer cylinder is the air of low temperature and high humidity, take away moisture, be conducive to economize energy.
Embodiment two
Embodiment two is substantially the same with embodiment one, be adopted progression is level Four, but the cartridge type rotor of every one-level is dry identical with structure with the profile of separator, just rotating speed difference; The wherein rotary speed of rotator control 50-70 rev/min of the drying of one-level cartridge type rotor and separator, the rotary speed of rotator control 70-90 rev/min of the drying of secondary cartridge type rotor and separator, the rotary speed of rotator control 90-120 rev/min of three grades of cartridge type rotor dryings and separator, the rotary speed of rotator control 120-150 rev/min of the drying of level Four cartridge type rotor and separator.The operation principle of embodiment two is the same with embodiment one.
Can be found out by above-described embodiment, the present invention relates to a kind of long bamboo fibre drying and dust separation method, multistage long bamboo fibre drying is adopted to carry out drying and dust separation with dust separation method to long bamboo fibre: long bamboo fibre to be placed in the drying of plural cartridge type rotor and to carry out drying with separator and be separated, and the rotating speed of every one-level cartridge type rotor drying and separator is higher than the rotating speed of previous stage, the mode increased progressively by rotating speed accelerates the acceleration flowing of long bamboo fibre in drying device, the putty phenomenon produced after avoiding fiber accumulations.
Further, described multistage long bamboo fibre is dry and dust separation method carries out drying to long bamboo fibre and dust separation is three grades, three grades of cartridge type rotors are dry identical with structure with the profile of separator, the wherein rotary speed of rotator control 60-80 rev/min of the drying of one-level cartridge type rotor and separator, the rotary speed of rotator control 90-120 rev/min of the drying of secondary cartridge type rotor and separator, the rotary speed of rotator control 120-150 rev/min of three grades of cartridge type rotor dryings and separator.
Further, described three grades of cartridge type rotors are dry contrary with hot blast direction with the logistics direction in separator, extended heated time and the moisture evaporation time of long bamboo fibre by logistics direction and the reverse flow of hot blast direction, be conducive to improving drying efficiency and improving dry mass.
Further, described three grades of cartridge type rotors dry with separator in be provided with rotor, logistics can be promoted by rotor turns on the one hand to move forward, long bamboo fibre thermally equivalent and moisture evaporation is conducive on the other hand by the tipping effect of rotor to bamboo fibre, moreover be can allow dust and fiber separation by the mechanical agitation effect of rotor, and be separated by the screen cloth of below.
Further, described three grades of cartridge type rotors drying and separator inwall are equipped with spiral guide plate, impel long bamboo fibre to advance along screw line in an orderly manner by spiral guide plate.
Further, described three grades of cartridge type rotors are dry is followed successively by that one-level is minimum, secondary is higher with hot blast temperature in separator, three grades the highest, its hot blast humidity is just contrary, one-level humidity is the highest, secondary humidity is lower, three grades of humidity are minimum, the rapid draing of all favourable long bamboo fibre of arrangement of this temperature and humidity.
For realizing the dry and powder dust separating device of the dry multistage long bamboo fibre proposed with dust separation method of above-mentioned long bamboo fibre, comprising internal structure and being separated cylinder, hot-blast stove and frame with multiple dryings of adjoining dimensions; It is characterized in that, it is the formation multilevel drying arranged together separation cylinder that is together in series that multiple drying is separated cylinder, and the outlet that upper level drying is separated cylinder connects the entrance that next stage drying is separated cylinder; Multiple drying is separated cylinder and is placed in frame, hot-blast stove is placed on dry separation cylinder side, and the hot blast of hot-blast stove delivery outlet is separated cylinder with the drying of most end one-level is communicated with, the hot blast of hot-blast stove delivery outlet is separated cylinder by the drying of most end one-level and enters in multilevel drying separation cylinder, is separated cylinder discharges from first order drying.
Further, it is three grades that described multilevel drying is separated cylinder, three grades of cartridge type rotors are dry identical with structure with the profile of separator, the wherein rotary speed of rotator control 60-80 rev/min of the drying of one-level cartridge type rotor and separator, the rotary speed of rotator control 90-120 rev/min of the drying of secondary cartridge type rotor and separator, the rotary speed of rotator control 120-150 rev/min of three grades of cartridge type rotor dryings and separator.
Further, described multilevel drying is separated in cylinder and is provided with rotor, logistics can be promoted by rotor turns on the one hand to move forward, long bamboo fibre thermally equivalent and moisture evaporation is conducive on the other hand by the tipping effect of rotor to bamboo fibre, moreover be can allow dust and fiber separation by the mechanical agitation effect of rotor, and be separated by the screen cloth of below.
Further, three grades of described cartridge type rotors dryings and separator inwall are equipped with spiral guide plate, impel long bamboo fibre to advance along screw line in an orderly manner by spiral guide plate.
The invention has the advantages that: the present invention takes multi-stag Rotary drying and is separated, get up to carry out multi-stag Rotary drying and be separated with separation apparatuses in series by multistage cartridge type rotor drying, and the rotating speed of every one-level cartridge type rotor drying and separator is higher than the rotating speed of previous stage, the mode increased progressively by rotating speed accelerates the acceleration flowing of long bamboo fibre in drying device, the putty phenomenon produced after avoiding fiber accumulations; The present invention mainly contains following characteristics:
(1) three grade of cartridge type rotor is dry identical with structure with the profile of separator, the wherein rotary speed of rotator control 60-80 rev/min of the drying of one-level cartridge type rotor and separator, the rotary speed of rotator control 90-120 rev/min of the drying of secondary cartridge type rotor and separator, the rotary speed of rotator control 120-150 rev/min of three grades of cartridge type rotor dryings and separator, be conducive to accelerating the acceleration flowing of long bamboo fibre in drying device, the putty phenomenon produced after avoiding fiber accumulations by increasing progressively of this rotating speed.
(2) three grades of cartridge type rotors are dry contrary with hot blast direction with the logistics direction in separator, although bamboo fibre diameter is little, length its surface area large its to be heated and to evaporate moisture content faster, be well suited for rapid draing, but cause because wet shape material is easily sticked together inequality of being heated, and affect moisture evaporation rate and dry uniformity.Therefore the heated time of the long bamboo fibre of the favourable prolongation of reverse flow and moisture evaporation time, is conducive to improving drying efficiency and improving dry mass.
(3) three grades of cartridge type rotor dryings and built-in rotor in separator, logistics can be promoted by rotor turns on the one hand to move forward, that the tipping effect of rotor to bamboo fibre is conducive to long bamboo fibre thermally equivalent and moisture evaporation on the other hand, moreover be can allow dust and fiber separation by the mechanical agitation effect of rotor, and be separated by the screen cloth of below.
(4) three grades of cartridge type rotor dryings and separator inwall are equipped with spiral guide plate, long bamboo fibre can be impelled to advance along screw line in an orderly manner.
(5) three grades of cartridge type rotors are dry is followed successively by that one-level is minimum, secondary is higher with hot blast temperature in separator, three grades the highest, its hot blast humidity is just contrary, one-level humidity is the highest, secondary humidity is lower, three grades of humidity are minimum, the rapid draing of all favourable long bamboo fibre of arrangement of this temperature and humidity.
Claims (8)
1. one kind long bamboo fibre drying and dust separation method, it is characterized in that, multistage long bamboo fibre drying is adopted to carry out drying and dust separation with dust separation method to long bamboo fibre: long bamboo fibre to be placed in the drying of plural cartridge type rotor and to carry out drying with separator and be separated, and the rotating speed of every one-level cartridge type rotor drying and separator is higher than the rotating speed of previous stage, the mode increased progressively by rotating speed accelerates the acceleration flowing of long bamboo fibre in drying device, the putty phenomenon produced after avoiding fiber accumulations; Described multistage long bamboo fibre is dry and dust separation method carries out drying to long bamboo fibre and dust separation is three grades, three grades of cartridge type rotors are dry identical with structure with the profile of separator, the wherein rotary speed of rotator control 60-80 rev/min of the drying of one-level cartridge type rotor and separator, the rotary speed of rotator control 90-120 rev/min of the drying of secondary cartridge type rotor and separator, the rotary speed of rotator control 120-150 rev/min of three grades of cartridge type rotor dryings and separator; Described three grades of cartridge type rotors are dry contrary with hot blast direction with the logistics direction in separator, extended heated time and the moisture evaporation time of long bamboo fibre by logistics direction and the reverse flow of hot blast direction, are conducive to improving drying efficiency and improving dry mass.
2. long bamboo fibre drying according to claim 1 and dust separation method, it is characterized in that, described three grades of cartridge type rotors dry with separator in be provided with rotor, logistics can be promoted by rotor turns on the one hand to move forward, long bamboo fibre thermally equivalent and moisture evaporation is conducive on the other hand by the tipping effect of rotor to bamboo fibre, moreover be can allow dust and fiber separation by the mechanical agitation effect of rotor, and be separated by the screen cloth of below.
3. long bamboo fibre drying according to claim 1 and dust separation method, is characterized in that, described three grades of cartridge type rotors drying and separator inwall is equipped with spiral guide plate, impels long bamboo fibre to advance along screw line in an orderly manner by spiral guide plate.
4. long bamboo fibre drying according to claim 1 and dust separation method, it is characterized in that, described three grades of cartridge type rotors are dry is followed successively by that one-level is minimum, secondary is higher with hot blast temperature in separator, three grades the highest, its hot blast humidity is just contrary, one-level humidity is the highest, secondary humidity is lower, three grades of humidity are minimum, the rapid draing of all favourable long bamboo fibre of arrangement of this temperature and humidity.
5. realize multistage long bamboo fibre drying and the powder dust separating device of long bamboo fibre drying described in claim 1 and dust separation method, comprise internal structure and be separated cylinder, hot-blast stove and frame with multiple dryings of adjoining dimensions; It is characterized in that, it is the formation multilevel drying arranged together separation cylinder that is together in series that multiple drying is separated cylinder, and the outlet that upper level drying is separated cylinder connects the entrance that next stage drying is separated cylinder; Multiple drying is separated cylinder and is placed in frame, hot-blast stove is placed on dry separation cylinder side, and the hot blast of hot-blast stove delivery outlet is separated cylinder with the drying of most end one-level is communicated with, the hot blast of hot-blast stove delivery outlet is separated cylinder by the drying of most end one-level and enters in multilevel drying separation cylinder, is separated cylinder discharges from first order drying.
6. multistage long bamboo fibre drying according to claim 5 and powder dust separating device, it is characterized in that, it is three grades that described multilevel drying is separated cylinder, three grades of cartridge type rotors are dry identical with structure with the profile of separator, the wherein rotary speed of rotator control 60-80 rev/min of the drying of one-level cartridge type rotor and separator, the rotary speed of rotator control 90-120 rev/min of the drying of secondary cartridge type rotor and separator, the rotary speed of rotator control 120-150 rev/min of three grades of cartridge type rotor dryings and separator.
7. multistage long bamboo fibre drying according to claim 5 and powder dust separating device, it is characterized in that, described multilevel drying is separated in cylinder and is provided with rotor, logistics can be promoted by rotor turns on the one hand to move forward, long bamboo fibre thermally equivalent and moisture evaporation is conducive on the other hand by the tipping effect of rotor to bamboo fibre, moreover be can allow dust and fiber separation by the mechanical agitation effect of rotor, and be separated by the screen cloth of below.
8. multistage long bamboo fibre drying according to claim 6 and powder dust separating device, it is characterized in that, three grades of described cartridge type rotors dryings and separator inwall are equipped with spiral guide plate, impel long bamboo fibre to advance along screw line in an orderly manner by spiral guide plate.
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| CN201410129566.4A CN103882562B (en) | 2014-04-02 | 2014-04-02 | A kind of long bamboo fibre drying and dust separation method and dry and powder dust separating device |
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| CN104354254B (en) * | 2014-10-15 | 2017-02-22 | 潍坊澳力克制药机械有限公司 | Special shaping dryer for painted eggshells |
| CN111113606B (en) * | 2020-01-14 | 2021-11-05 | 陈城 | Bamboo charcoal activation equipment is used in bamboo fibre processing |
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| CN2596292Y (en) * | 2003-01-25 | 2003-12-31 | 夏强 | Tower type air flow impurity-removing drier |
| CN101914822A (en) * | 2010-08-27 | 2010-12-15 | 福建正和竹纺有限公司 | Device for collecting bamboo fibers |
| CN102500543A (en) * | 2011-12-27 | 2012-06-20 | 山东省农业科学院农产品研究所 | Spiral machine for dedusting root of red-rooted salvia |
| CN103316842A (en) * | 2013-07-19 | 2013-09-25 | 潘华斌 | Multistage screening machine |
| CN103477175A (en) * | 2011-04-11 | 2013-12-25 | 库迈拉有限公司 | Apparatus for drying and classification of a material |
-
2014
- 2014-04-02 CN CN201410129566.4A patent/CN103882562B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596292Y (en) * | 2003-01-25 | 2003-12-31 | 夏强 | Tower type air flow impurity-removing drier |
| CN101914822A (en) * | 2010-08-27 | 2010-12-15 | 福建正和竹纺有限公司 | Device for collecting bamboo fibers |
| CN103477175A (en) * | 2011-04-11 | 2013-12-25 | 库迈拉有限公司 | Apparatus for drying and classification of a material |
| CN102500543A (en) * | 2011-12-27 | 2012-06-20 | 山东省农业科学院农产品研究所 | Spiral machine for dedusting root of red-rooted salvia |
| CN103316842A (en) * | 2013-07-19 | 2013-09-25 | 潘华斌 | Multistage screening machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103882562A (en) | 2014-06-25 |
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