CN110839928B - Device and method for improving quality level of cut stem drying of fluidized bed - Google Patents
Device and method for improving quality level of cut stem drying of fluidized bed Download PDFInfo
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- CN110839928B CN110839928B CN201911104792.6A CN201911104792A CN110839928B CN 110839928 B CN110839928 B CN 110839928B CN 201911104792 A CN201911104792 A CN 201911104792A CN 110839928 B CN110839928 B CN 110839928B
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- 238000001035 drying Methods 0.000 title claims abstract description 130
- 238000000034 method Methods 0.000 title abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 80
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 239000000428 dust Substances 0.000 claims description 24
- 238000000605 extraction Methods 0.000 claims description 21
- 239000004744 fabric Substances 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000002985 plastic film Substances 0.000 claims description 12
- 229920006255 plastic film Polymers 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 abstract description 6
- 239000010409 thin film Substances 0.000 description 10
- 239000011521 glass Substances 0.000 description 5
- 210000005056 cell body Anatomy 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 238000013178 mathematical model Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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- 239000002994 raw material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/10—Roasting or cooling tobacco
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B9/00—Control of the moisture content of tobacco products, e.g. cigars, cigarettes, pipe tobacco
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/084—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed with heat exchange taking place in the fluidised bed, e.g. combined direct and indirect heat exchange
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a device and a method for improving quality level of fluidized bed cut stem drying, and belongs to the technical field of fluidized bed cut stem drying. The device and the method for improving the quality level of the cut stems baked by the fluidized bed comprise a fluidized bed groove body, a feeding end, a discharging end, a first drying piece and a second drying piece. The invention realizes the drying of the material passing through the drying chamber and the drying of the material passing through the drying chamber, further improves the quality of the cut stems, and ensures the consistency of the internal quality of the cigarettes.
Description
Technical Field
The invention belongs to the technical field of fluidized bed cut stem drying, and relates to a device and a method for improving quality level of fluidized bed cut stem drying.
Background
The cut stems are used as one of important blending material raw materials for reducing the tar and the harm of the cigarettes, the quality of the cut stems has more and more obvious influence on the quality stability of the cigarettes, the cut stem drying process plays an important role in ensuring the quality processing process of the cut stems, the current cut stem drying process has two modes of roller thin plate drying and tunnel type fluidized bed drying, because of different equipment structures, the water stability of the cut stems dried by the roller drying process mode is better, but the expansion effect of the cut stems is not good, the cut stems dried by the fluidized bed drying process have large sheet shape and good expansion effect, the cigarette tar and harm reduction effect is obvious, the current cut stem drying process mode used in the industry is also more, but the fluidized bed drying process has certain defects, the current fluidized bed drying equipment is divided into two areas for drying, a hot air system is adopted to dehydrate the cut stems in the cut stem drying process, the water index is not stable, the quality of finished product stem is affected, and the quality of cigarette products is affected when the finished product stem is blended in tobacco shreds.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a device and a method for improving the quality level of cut stem drying of a fluidized bed, and the technical problems to be solved by the invention are as follows: how to provide a device and a method for improving the quality level of the cut stems baked by a fluidized bed.
The purpose of the invention can be realized by the following technical scheme:
the device for improving the quality level of the cut stems baked by the fluidized bed comprises a fluidized bed groove body, a feeding end arranged at one end part of the fluidized bed groove body, a discharging end arranged at the other end part of the fluidized bed groove body, a first drying part used for drying materials passing through the first end to the second end of the fluidized bed groove body and a second drying part used for drying materials passing through the third end to the fourth end of the fluidized bed groove body, wherein the first drying part comprises a zone drying chamber, a zone steam and dust extraction box arranged at the top end of the zone drying chamber, a first air conveying pipe with one end connected to the zone steam and dust extraction box, a zone air inlet door arranged at the first end of the first air conveying pipe and used for guiding external air into the first zone air inlet door when the first drying part is opened, a zone air exhaust door arranged at the second end of the first air conveying pipe and used for exhausting gas flowing out from the zone steam and dust extraction box when the first drying part is opened, and a zone exhaust door arranged at the third end of the first air conveying pipe, A first area fan motor for sucking the outside air, a second air delivery pipe with one end connected to the first area fan motor for receiving the outside air sucked from the first area fan motor, a third air delivery pipe with one end connected to the second air delivery pipe for receiving the outside air of the second air delivery pipe, a fourth air delivery pipe with one end connected to the second air delivery pipe for receiving the outside air of the second air delivery pipe, a first area heat exchange linkage air door arranged at one end of the second air delivery pipe, a first area heat exchanger arranged on the fourth air delivery pipe for heating the outside air into hot air, a fifth air delivery pipe with one end connected to the third air delivery pipe and the fourth air delivery pipe respectively, a fifth air delivery pipe with the other end connected to a first area drying chamber for receiving the outside air and the hot air respectively to form mixed air and delivering the mixed air to the first area drying chamber, and a first area mixed air door arranged on the fifth air delivery pipe, wherein the second drying part comprises a second area drying chamber, a third area drying chamber, a fourth area drying chamber, a third area drying chamber, a fourth area drying chamber, a third area drying chamber, a third air duct, a third area, a third air duct, a fourth air duct, a third air duct, a fourth air duct, a third air duct, a second-zone steam-dust extraction box arranged at the top end of the second-zone drying chamber, a sixth air delivery pipe with one end connected with the second-zone steam-dust extraction box, a second-zone air inlet door arranged at the first end of the sixth air delivery pipe and used for introducing the outside air when the sixth air delivery pipe is opened, a second-zone air exhaust door arranged at the second end of the sixth air delivery pipe and used for exhausting the air exhausted from the second-zone steam-dust extraction box when the sixth air delivery pipe is opened, a second-zone fan motor arranged at the third end of the sixth air delivery pipe and used for sucking the outside air, a seventh air delivery pipe with one end connected with the second-zone fan motor and used for receiving the outside air sucked from the second-zone fan motor, an eighth air delivery pipe with one end connected with the seventh air delivery pipe, a ninth air delivery pipe with one end connected with the seventh air delivery pipe and used for receiving the outside air of the seventh air delivery pipe, a second-zone linkage heat exchange door arranged at one end of the seventh air delivery pipe, a third air delivery pipe, a fourth air delivery pipe, the second-zone heat exchanger is arranged on the ninth air delivery pipe and used for heating the outside air into hot air, one end of the second-zone heat exchanger is connected to the eighth air delivery pipe and the ninth air delivery pipe respectively, the other end of the second-zone heat exchanger is connected to the second-zone drying chamber, the tenth air delivery pipe is used for receiving the outside air and the hot air respectively to form mixed air and delivering the mixed air to the second-zone drying chamber, and the second-zone mixed air door is arranged on the tenth air delivery pipe.
Preferably, the drying chamber of first district is including setting up in the dry first district of the first end of fluidized bed cell body, setting up in the first screen cloth vibration groove of dry first district bottom and setting up in first screen cloth vibration groove top, be used for preventing that the first screen cloth of material roll-off shakes a district stock guide in groove, the drying chamber of two districts is including setting up in the dry second district of fluidized bed cell body second end, setting up in the second screen cloth vibration groove of dry second district bottom and setting up in second screen cloth vibration groove top, be used for preventing the two district stock guides in material roll-off second screen cloth vibration groove.
Preferably, the first-zone guide plates are respectively arranged at two ends of the top of the first screen vibrating trough, and the second-zone guide plates are respectively arranged at two ends of the top of the second screen vibrating trough.
Preferably, the first area material guide plate comprises a plurality of first connecting plates hinged to each other, a first elastic plastic film coated on the first connecting plates and used for preventing materials from sliding out of the hinged positions of the first connecting plates, and a first fixing structure used for fixing the first connecting plates on the first screen vibrating chute, and the second area material guide plate comprises a plurality of second connecting plates hinged to each other, a second elastic plastic film coated on the second connecting plates and used for preventing materials from sliding out of the hinged positions of the second connecting plates, and a second fixing structure used for fixing the second connecting plates on the second screen vibrating chute.
Preferably, first fixed knot constructs including setting up in the first ring and the one end of first connecting plate bottom pass first screen cloth in proper order and shake first sieve mesh, first ring on the groove and connect in the first iron wire of the other end, second fixed knot constructs including setting up in the second ring and the one end of second connecting plate bottom pass second screen cloth in proper order and shake second sieve mesh, second ring on the groove and connect in the second iron wire of the other end.
Preferably, the air conditioner further comprises a moisture discharging member for discharging condensed water generated when the external air is heated to the hot wind by the one-zone heat exchanger or the two-zone heat exchanger.
Preferably, arrange damp spare and include manual ball valve, connect in the flange of manual ball valve one end, connect in the rivers sight glass of the flange other end, connect in the trap of the rivers sight glass other end, connect in the filter of the trap other end, connect in the main drain pipe of the filter other end, set up in the bypass drain pipe and the one end of main drain pipe one end and connect in main drain pipe, the other end is connected in heat exchanger connecting pipe of heat exchanger, the junction of bypass drain pipe and main drain pipe is equipped with the water drainage through-hole that supplies to follow the water discharge in the main drain pipe, be equipped with on the bypass drain pipe and be used for sealing the water drainage through-hole when the water pressure in the main drain pipe is less than preset pressure, the seal structure of atress towards the direction motion of keeping away from the water drainage through-hole when the water pressure in the main drain pipe is greater than preset pressure.
Preferably, the area of the drain through hole is smaller than the sectional area of the bypass drain pipe, the sealing structure includes a sealing plate for sealing the drain through hole, a first spring for urging the sealing plate to move toward a direction close to the drain through hole so that the sealing plate seals the drain through hole, and a first link having one end connected to the inner side wall of the bypass drain pipe and the other end connected to the first spring, and the area of the sealing plate is smaller than the sectional area of the bypass drain pipe.
Preferably, the bypass drain pipe is a cylinder pipe, a circular stop plate is arranged at the joint of the bypass drain pipe and the main drain pipe, the drain hole is a semicircular drain hole which is arranged on the circular stop plate and has a radius smaller than that of the circular stop plate, a groove with an area larger than that of the drain hole is arranged on the periphery of the drain hole on the circular stop plate, and the sealing plate is a sealing plate with an area smaller than that of the groove and an area larger than that of the drain hole.
A method for improving the quality level of cut stems baked by a fluidized bed comprises the following steps:
s1: calculating a theoretical air temperature through a mathematical model, adjusting a target air temperature according to the theoretical air temperature, and adjusting the opening of a target film valve according to the target air temperature so as to adjust the opening of an air door;
s2: detecting actual air volume through a flowmeter, and acquiring the actual opening degree of the membrane valve through a mathematical model according to the actual air volume;
s3: if the actual opening of the thin film valve is inconsistent with the target opening of the thin film valve, calculating the opening of the thin film valve through PID (proportion integration differentiation) to correct and adjust the opening of the target diaphragm valve, and if the actual opening of the thin film valve is consistent with the target opening of the thin film valve, judging whether the actual water content of the outlet is consistent with the set water content;
s4: and if the actual outlet water content is not consistent with the set water content, calculating the air temperature through PID, correcting and adjusting the target air temperature, and if the actual outlet water content is consistent with the set water content, ending the operation.
The material is fed from the feeding end of the invention, a zone air inlet air door and a zone fan motor are opened to make the outside air enter a first air delivery pipe, a second air delivery pipe receives the outside air sucked from the zone fan motor, a zone heat exchange linkage air door is opened, a third air delivery pipe receives the outside air of the second air delivery pipe, a fourth air delivery pipe receives the outside air of the second air delivery pipe, a zone heat exchanger heats the outside air into hot air, a zone mixed air door is opened, the hot air and the outside air are mixed into mixed air, a fifth air delivery pipe delivers the mixed air to a zone drying chamber to dry the material passing through the drying chamber, the zone air outlet air door is opened after drying is finished to make the gas exhausted from the zone drying chamber be exhausted from the zone air outlet air door, the zone air inlet air door and the zone fan motor are opened to make the outside air enter a sixth air delivery pipe, the seventh air delivery pipe receives the air from the inhaled external air of second district fan motor, two district heat exchange linkage air doors open, the eighth air delivery pipe receives the air from the outside of second air delivery pipe, the ninth air delivery pipe receives the air from the outside of second air delivery pipe, two district heat exchangers heat the air from the outside to be hot-blast, two district air door of mixing opens, hot-blast and air from the outside mix is the air mixing, the tenth air delivery pipe carries the air mixing to two district drying chambers, realize carrying out the drying to the material through a drying chamber, open two district exhaust air doors after the drying finishes, make the gas that follows two district drying chambers exhaust air doors and discharge, the material after the drying is exported from the discharge end, improve the quality of stalk silk.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the first and second zone guides of the present invention disposed on the fluidized bed tank, respectively;
FIG. 3 is a schematic view of a first region of the material guide plate of the present invention fixed to the first vibrating screen trough by iron wires;
FIG. 4 is a schematic view of a first elastic plastic film wrapped around a first connecting plate according to the present invention;
FIG. 5 is a schematic view of the structure in which the two-zone guide plates are fixed to the second screen vibrating chute by iron wires according to the present invention;
FIG. 6 is a schematic view of a second elastic plastic film wrapped around a second web according to the present invention;
FIG. 7 is a schematic view of the moisture excluding member of the present invention;
FIG. 8 is a sectional view of a bypass drain pipe when the sealing structure of the present invention is provided in the drain through hole;
FIG. 9 is a first side view of the bypass drain of the present invention with the sealing plate abutting the groove;
FIG. 10 is a second side view of the bypass drain with the drain through hole of the present invention disposed in the bypass drain;
FIG. 11 is a schematic flow diagram of the present invention.
In the figure: 1-manual ball valve, 2-flange, 3-water flow sight glass, 4-drain valve, 5-filter, 6-bypass drain pipe, 61-sealing structure, 611-sealing plate, 612-first spring, 613-first connecting rod, 614-groove, 615-drain through hole, 7-main drain pipe, 8-heat exchanger connecting pipe, 9-feed end, 10-fluidized bed groove body, 11-first region guide plate, 111-first connecting plate, 112-first elastic plastic film, 113-first circular ring, 114-first iron wire, 12-first dry region, 13-second dry region, 14-second region guide plate, 141-second connecting plate, 142-second elastic plastic film, 143-second circular ring, 144-second iron wire, 15-discharge end, 16-first zone drying chamber, 17-first zone steam dust extraction box, 18-first zone exhaust air door, 19-first zone intake air door, 20-first zone fan motor, 21-first zone heat exchange linkage air door, 22-first zone heat exchanger, 23-first zone mixed air door, 24-second zone drying chamber, 25-second zone steam dust extraction box, 26-second zone exhaust air door, 27-second zone intake air door, 28-second zone fan motor, 29-second zone heat exchange linkage air door, 30-second zone heat exchanger and 31-second zone mixed air door.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, the apparatus for improving quality level of tobacco shreds baked by fluidized bed in the present embodiment includes a fluidized bed tank 10, a feeding end 9 disposed at one end of the fluidized bed tank 10, a discharging end 15 disposed at the other end of the fluidized bed tank 10, a first drying member for drying the material passing through the fluidized bed tank 10 from the first end to the second end, and a second drying member for drying the material passing through the fluidized bed tank 10 from the third end to the fourth end, wherein the first drying member includes a zone drying chamber 16, a zone steam-dust extraction box 17 disposed at the top end of the zone drying chamber 16, a first air duct connected to the zone steam-dust extraction box 17 at one end, a zone air intake door 19 disposed at the first end of the first air duct for introducing external air when the first air duct is opened, a zone intake door 19 disposed at the second end of the first air duct, a second air duct for discharging the material from the second end to the first air duct, A zone exhaust air door 18 for exhausting air flowing out from a zone steam-dust extraction box 17 when it is opened, a zone fan motor 20 for sucking in outside air, a second air duct having one end connected to the zone fan motor 20 for receiving outside air sucked in from the zone fan motor 20, a third air duct having one end connected to the second air duct, a fourth air duct having one end connected to the second air duct for receiving outside air of the second air duct, a zone heat exchange linkage air door 21 provided at one end of the second air duct, a zone heat exchanger 22 provided on the fourth air duct for heating outside air to hot air, a zone drying chamber 16 having one end connected to the third air duct and the fourth air duct, and the other end connected to the zone drying chamber 16, a fifth air duct for receiving outside air and hot air respectively to form mixed air and delivering the mixed air to the zone drying chamber 16, and a fifth air duct provided on the third air duct A first-zone mixed air door 23 on the five air delivery pipes, wherein the second drying part comprises a second-zone drying chamber 24, a second-zone steam-dust extraction box 25 arranged at the top end of the second-zone drying chamber 24, a sixth air delivery pipe with one end connected with the second-zone steam-dust extraction box 25, a second-zone air inlet door 27 arranged at the first end of the sixth air delivery pipe and used for introducing the outside air when the sixth air delivery pipe is opened, a second-zone exhaust door 26 arranged at the second end of the sixth air delivery pipe and used for exhausting the air flowing out of the second-zone steam-dust extraction box 25 when the sixth air delivery pipe is opened, a second-zone fan motor 28 arranged at the third end of the sixth air delivery pipe and used for sucking the outside air, a seventh air delivery pipe with one end connected with the second-zone fan motor 28 and used for receiving the outside air sucked from the second-zone fan motor 28, an eighth air delivery pipe with one end connected with the seventh air delivery pipe and used for receiving the outside air of the seventh air delivery pipe, an eighth air delivery pipe with one end connected with the seventh air delivery pipe, a second air delivery pipe, A ninth air delivery pipe for receiving the external air of the seventh air delivery pipe, a two-zone heat exchange linkage air door 29 arranged at one end of the seventh air delivery pipe, a two-zone heat exchanger 30 arranged on the ninth air delivery pipe for heating the external air into hot air, a tenth air delivery pipe with one end connected to the eighth air delivery pipe and the ninth air delivery pipe respectively, and the other end connected to the two-zone drying chamber 24, a second-zone mixed air door 31 arranged on the tenth air delivery pipe, wherein the tenth air delivery pipe is used for receiving the external air and the hot air to form mixed air and delivering the mixed air to the two-zone drying chamber 24 respectively.
Here, the material is supplied from the feeding end 9, the first zone intake damper 19 and the first zone fan motor 20 are opened to allow the external air to enter the first air duct, the second air duct receives the external air sucked from the first zone fan motor 20, the first zone heat exchange linkage damper 21 is opened, the third air duct receives the external air of the second air duct, the fourth air duct receives the external air of the second air duct, the first zone heat exchanger 22 heats the external air to hot air, the first zone mixed air damper 23 is opened to mix the hot air and the external air into mixed air, the fifth air duct delivers the mixed air to the first zone drying chamber 16 to dry the material passing through the first drying chamber, the first zone exhaust damper 18 is opened after drying is completed to allow the gas discharged from the first zone drying chamber 16 to be discharged from the first zone exhaust damper 18, the second zone intake damper 27 and the second zone fan motor 28 are opened to allow the external air to enter the sixth air duct, the seventh air delivery pipe receives the outside air sucked from the second air delivery pipe motor 28, the second-zone heat exchange linkage air door 29 is opened, the eighth air delivery pipe receives the outside air of the second air delivery pipe, the ninth air delivery pipe receives the outside air of the second air delivery pipe, the second-zone heat exchanger 30 heats the outside air into hot air, the second-zone mixed air door 31 is opened, the hot air and the outside air are mixed into mixed air, the tenth air delivery pipe delivers the mixed air to the second-zone drying chamber 24, the drying of the material passing through the first drying chamber is realized, the second-zone exhaust air door 26 is opened after the drying is finished, so that the gas discharged from the second-zone drying chamber 24 is discharged from the second-zone exhaust air door 26, the dried material is output from the discharge end 15, and the quality of cut stems is improved. The steam-dust extraction box mainly comprises a box body, a filter screen cylinder, a brush roller, an injection pipe, a transmission device and the like.
In the first-zone drying chamber 16, the moisture exhaust air door is opened, the opening degree of the first-zone exhaust air door 18 is adjusted to 80% -90% from the original 30% -40%, the moisture exhaust capacity is increased, dust generated in the drying zone and air with high humidity are exhausted through moisture exhaust, and the filter screen of the heat exchanger is prevented from being blocked. Meanwhile, the mark of the return air door is increased when the return air door is reduced to 0-10%, so that the return air does not participate in circulation as much as possible, and the moisture brought by the return air is prevented from forming condensation at the heat exchanger. Meanwhile, the fresh air inlet door of the first area is adjusted from 30% -40% to 80% -90%, the fresh air supplementing amount is increased, the fresh air passes through the fan motor 20 of the first area and then passes through the heat exchanger 22 linkage air door of the first area, the opening degree of the heat exchange linkage air door 21 of the first area is adjusted from 30% -50% to 100%, then the fresh air enters the heat exchanger 22 of the first area for heat exchange heating, the dry air forms hot air and then enters the drying area, and the dehydration capacity is improved.
In the second-zone drying chamber 24, the moisture exhaust air door is opened, the opening degree of the second-zone exhaust air door 26 is adjusted from 30-40% to 80-90%, the moisture exhaust capacity is increased, dust generated in the drying zone and air with high humidity are exhausted through moisture exhaust, and the filter screen of the heat exchanger is prevented from being blocked. Meanwhile, the mark of the return air door is increased when the return air door is reduced to 0-10%, so that the return air does not participate in circulation as much as possible, and the moisture brought by the return air is prevented from forming condensation at the heat exchanger. Meanwhile, the fresh air inlet door of the second area is adjusted from 30-40% to 80-90%, the fresh air supplementing amount is increased, the fresh air passes through the second area fan motor 28 and then passes through the second area heat exchanger 30 linkage air door, the opening degree of the second area heat exchange linkage air door 29 is adjusted from 30-50% to 100%, then the fresh air enters the second area heat exchanger 30 to be subjected to heat exchange heating, and the dry air forms hot air and then enters the drying area, so that the dehydration capacity is improved.
The moisture exhaust air door is enlarged, the moisture exhaust capacity is increased, dust generated in a drying area and air with higher humidity are drawn away as much as possible through moisture exhaust, and the filter screen of the heat exchanger is prevented from being blocked. The return air door is reduced, the return air does not participate in circulation as much as possible, and the moisture brought by the return air is prevented from forming condensation at the heat exchanger. Then the fresh air is utilized to supplement air to meet the negative pressure balance of the hot air system and perform the heat exchange function. The dry air forms hot air and then enters the drying area, so that the dehydration capacity is improved.
The changes before and after adjustment are as follows:
before adjustment:
after the adjustment:
a district drying chamber 16 can be including setting up in the dry first district 12 of fluidized bed cell body 10 first end, set up in the first screen cloth vibration groove of dry first district 12 bottom and set up in first screen cloth vibration groove top, be used for preventing the first screen cloth vibration groove's of material roll-off first district stock guide 11, two district drying chambers 24 are including setting up in the dry second district 13 of fluidized bed cell body 10 second end, set up in the second screen cloth vibration groove of dry second district 13 bottom and set up in second screen cloth vibration groove top, be used for preventing the second district stock guide 14 of material roll-off second screen cloth vibration groove.
The first-zone material guide plates 11 are respectively arranged at two ends of the top of the first screen vibrating groove, and the second-zone material guide plates 14 are respectively arranged at two ends of the top of the second screen vibrating groove. The material is introduced by the feeding end 9, the material enters a first screen vibrating groove in a first drying area 12, 2 first area guide plates 11 are respectively arranged at two ends of the top of the first screen vibrating groove, the first area guide plates 11 can prevent the material from sliding out of the first screen vibrating groove, so that the material is uniformly heated on the first screen vibrating groove, then the material enters a second screen vibrating groove in a second drying area 13, 2 second area material guide plates 14 are respectively arranged at the two ends of the top of the second screen vibrating groove, the second area material guide plates 14 can prevent the material from sliding out of the second screen vibrating groove, and finally the material is led out from a discharge end 15, so that the materials are uniformly heated on the second screen vibrating groove, the materials are prevented from being unevenly distributed due to the fact that the materials are laterally deviated to one side when passing through the fluidized bed groove body 10, thereby reducing the difference of the moisture of the cross section, leading the cut stem material to move towards the upper part of the mesh in the middle of the vibration groove and improving the moisture uniformity of the material.
The material guide plates 11 in one region can be respectively and symmetrically arranged on two sides of the central line of the first screen vibrating groove, so that materials can uniformly pass through the first screen vibrating groove, and the uniformity of heating of the materials is improved.
The two-region material guide plates 14 can be respectively and symmetrically arranged on two sides of the central line of the second screen vibrating groove, so that the material can uniformly pass through the second screen vibrating groove, and the uniformity of heating the material is improved.
The first-zone material guiding plate 11 may include a plurality of first connection plates 111 hinged to each other, a first elastic plastic film 112 covering the first connection plates 111 to prevent the material from slipping out of the hinged position of the first connection plates 111, and a first fixing structure for fixing the first connection plates 111 to the first screen chute, and the second-zone material guiding plate 14 includes a plurality of second connection plates 141 hinged to each other, a second elastic plastic film 142 covering the second connection plates 141 to prevent the material from slipping out of the hinged position of the second connection plates 141, and a second fixing structure for fixing the second connection plates 141 to the second screen chute. The first connection plates 111 may be rectangular plates, and the side portions of any two adjacent first connection plates 111 are hinged to each other, so that the shape of the material guide plate 11 in one region may be changed, and after the shape of the material guide plate 11 in one region is changed, the first connection plates 111 are fixed on the first screen vibrating trough through the first fixing structure, and the first elastic plastic film 112 may prevent the material from sliding out from the hinged portions of the first connection plates 111. The second connecting plates 141 may be rectangular plates, and the side portions of any two adjacent second connecting plates 141 are hinged to each other, so that the shape of the second area material guiding plate 14 can be changed, and after the shape of the second area material guiding plate 14 is changed, the second connecting plates 141 are fixed on the second screen vibrating chute through the second fixing structure, and the second elastic plastic film 142 can prevent the material from sliding out of the hinged portion of the second connecting plates 141.
The first fixing structure comprises a first circular ring 113 arranged at the bottom end of the first connecting plate 111 and a first iron wire 144, one end of the first circular ring 113 penetrates through the first sieve hole in the first sieve vibration groove in sequence, the first circular ring 113 is connected to the first iron wire 114 at the other end, and the second fixing structure comprises a second circular ring 143 arranged at the bottom end of the second connecting plate 141 and a second iron wire 144, one end of the second circular ring 143 penetrates through the second sieve hole in the second sieve vibration groove in sequence, and the second circular ring 143 is connected to the second iron wire 144 at the other end. The first circular ring 113 can be perpendicular to the first connecting plate 111, and after the shape of the material guide plate 11 in one area is changed, one end of the first iron wire 114 sequentially passes through the first sieve hole on the first sieve vibration groove, and after the first circular ring 113, the two ends of the first iron wire 114 are screwed together through the vice, so that the first connecting plate 111 is fixed on the first sieve vibration groove. The second ring 143 can be perpendicular to the second connecting plate 141, and when the shape of the second area material guiding plate 14 is changed, one end of the second iron wire 144 sequentially passes through the second sieve holes on the first sieve vibrating chute, and the two ends of the second iron wire 144 are screwed together by the vice after the second ring 143, so that the second connecting plate 141 is fixed on the second sieve vibrating chute.
The bottom end of the first connection plate 111 at the first end of the material guide plate 11 may be welded to the first mesh vibrating trough. The first connecting plate 111 at the first end of the material guiding plate 11 in one region may be the first connecting plate 111 at one end of the material guiding plate 11 in one region, so that the shape of the material guiding plate 11 in one region can be changed only by adjusting the first connecting plate 111 at the other end of the material guiding plate 11 in one region, and the adjustment is convenient.
The bottom end of the second connecting plate 141 at the first end of the two-region material guide plate 14 is welded to the second screen vibrating chute. The second connecting plate 141 at the first end of the two-region material guiding plate 14 may be the second connecting plate 141 at one end of the two-region material guiding plate 14, so that the shape of the two-region material guiding plate 14 can be changed only by adjusting the second connecting plate 141 at the other end of the two-region material guiding plate 14, and the adjustment is convenient.
The device for improving the quality level of the fluidized bed cut rolled stems in the embodiment can also comprise a moisture discharging piece for discharging condensed water generated when the external air is heated to hot air by the first-zone heat exchanger 22 or the second-zone heat exchanger 30.
The moisture discharging piece comprises a manual ball valve 1, a flange 2 connected to one end of the manual ball valve 1, a water flow view mirror 3 connected to the other end of the flange 2, a drain valve 4 connected to the other end of the water flow view mirror 3, a filter 5 connected to the other end of the drain valve 4, a main drain pipe 7 connected to the other end of the filter 5, a bypass drain pipe 6 and one end of the bypass drain pipe 7 are connected to the main drain pipe 7, the other end of the bypass drain pipe is connected to a heat exchanger connecting pipe 8 of the heat exchanger, a drain through hole 615 for discharging water from the main drain pipe 7 is arranged at the joint of the bypass drain pipe 6 and the main drain pipe 7, a sealing structure 61 for sealing the drain through hole 615 when the water pressure in the main drain pipe 7 is smaller than a preset pressure and moving towards the direction far away from the drain through hole 615 when the water pressure in the main drain pipe 7 is larger than the preset pressure is arranged.
Set up bypass drain pipe 6 on main drain pipe 7, seal structure 61 seals drainage through hole 615 when the water pressure in main drain pipe 7 is less than preset pressure, atress moves towards the direction of keeping away from drainage through hole 615 when the water pressure in main drain pipe 7 is greater than preset pressure, make water in main drain pipe 7 push seal structure 61 open when too much and drain, it is too much to avoid ponding in the heat exchanger, it is longer to avoid appearing the exhaust time, it is slower to preheat the process temperature promotion, make hydrophobic pipeline can effectively discharge the comdenstion water, thereby guarantee heat exchanger heat source and steam saturation, thereby improve the stability of hot-blast temperature in the entering drying zone. The water flow sight glass 3 can be an observation glass for observing the flowing condition of water in the pipeline. Trap 4 may be one of a mechanical type trap 4, a thermo-static type trap 4, and a thermal type trap 4.
The bypass drain pipe 6 may be welded to the main drain pipe 7, improving the stability of the bypass drain pipe 6.
The area of the drain through hole 615 is smaller than the sectional area of the bypass drain pipe 6, the sealing structure 61 includes a sealing plate 611 for sealing the drain through hole 615, a first spring 612 for urging the sealing plate 611 to move in a direction close to the drain through hole 615 so that the sealing plate 611 seals the drain through hole 615, and a first link 613 having one end connected to the inner side wall of the bypass drain pipe 6 and the other end connected to the first spring 612, the area of the sealing plate 611 is smaller than the sectional area of the bypass drain pipe 6, so that when the water pressure in the main drain pipe 7 is smaller than the elastic force of the first spring 612, the water pressure cannot push the sealing plate 611 open, the water in the main drain pipe 7 cannot be discharged, when the water pressure in the main drain pipe 7 is greater than the elastic force of the first spring 612, the water pressure can push the sealing plate 611 open, and the water in the main drain pipe 7 can be discharged.
The bypass drain pipe 6 is a cylindrical pipe, a circular stop plate is arranged at the joint of the bypass drain pipe 6 and the main drain pipe 7, the drain through hole 615 is a semicircular drain through hole 615 which is arranged on the circular stop plate and has a radius smaller than that of the circular stop plate, a groove 614 with an area larger than that of the drain through hole 615 is arranged on the periphery of the drain through hole 615 on the circular stop plate, the sealing plate 611 is a sealing plate 611 with an area smaller than that of the groove 614 and an area larger than that of the drain through hole 615, the sealing plate 611 abuts against the groove 614, and the drain through hole 615 is convenient to cover.
The first spring 612 may be a cylindrical coil spring, such that the first spring 612 is aligned when it is expanded and contracted, and it is prevented that the first spring 612 collides with an inner sidewall of the bypass drain pipe 6 when it is expanded and contracted to make the sealing plate 611 move inconveniently, resulting in that the sealing plate 611 does not seal the drain through hole 615 when the water pressure is less than the preset pressure or the sealing plate 611 is not completely opened or the sealing plate 611 is not opened when the water pressure is greater than the preset pressure, affecting the water discharged from the main drain pipe 7.
The center line of the first spring 612 may coincide with the center line of the sealing plate 611, and the first spring 612 may be perpendicular to the sealing plate 611, such that the first spring 612 pushes the sealing plate 611, so that the force applied to the sealing plate 611 is uniform, and the sealing plate 611 is prevented from tilting, which may cause a drainage process or a sealing process to be disordered.
The other end of the first spring 612 may be welded to the sealing plate 611, improving the stability of the first spring 612 and the sealing plate 611.
The drain hole 615 may be disposed at the bottom of the horizontal line of the circular stopper, the first link 613 is parallel to the sealing plate 611, one end of the first link 613 is welded to the inner sidewall of the bypass drain pipe 6, and the other end is welded to the first spring 612, such that one end of the first spring 612 is fixed, and the drain hole 615 is disposed at the bottom of the horizontal line of the circular stopper, thereby facilitating the drainage of the main drain pipe 7.
The center of the drainage through hole 615 can coincide with the center of the stop plate, the groove 614 is a semicircular groove 614 the center of which coincides with the center of the stop plate, and the sealing plate 611 is a semicircular sealing plate 611 the center of which coincides with the center of the stop plate and one end of which is flush with one end of the stop plate when the sealing plate 611 abuts against the groove 614, so that the sealing plate 611 seals the drainage through hole 615.
Referring to fig. 11, a method for improving the quality level of the fluidized bed cut rolled stems comprises the following steps:
s1: calculating a theoretical air temperature through a mathematical model, adjusting a target air temperature according to the theoretical air temperature, and adjusting the opening of a target film valve according to the target air temperature so as to adjust the opening of an air door;
s2: detecting actual air volume through a flowmeter, and acquiring the actual opening degree of the membrane valve through a mathematical model according to the actual air volume;
s3: if the actual opening of the thin film valve is inconsistent with the target opening of the thin film valve, calculating the opening of the thin film valve through PID (proportion integration differentiation) to correct and adjust the opening of the target diaphragm valve, and if the actual opening of the thin film valve is consistent with the target opening of the thin film valve, judging whether the actual water content of the outlet is consistent with the set water content;
s4: and if the actual outlet water content is not consistent with the set water content, calculating the air temperature through PID, correcting and adjusting the target air temperature, and if the actual outlet water content is consistent with the set water content, ending the operation.
The opening degree of an air door of the hot air radiator is fixed at 100%, and all fresh air and return air enter the radiator to exchange heat. Then, the steam pressure PID control tracking set temperature mode is used for replacing the original air door tracking set temperature control mode, and the CV air door output in the original one-zone and two-zone hot air temperature PID is changed into the output of a steam film method. According to the collected real-time data, the water content at the inlet of the fluidized bed is used as an independent variable, the actual air temperature is used as a dependent variable, and the deviation between the target air temperature and the actual air temperature is used for controlling the opening of the steam film valve of the radiator through PID calculation so that the actual air temperature reaches a target value.
And (3) counting standard deviation of the water content of the outlet of the transformed fluidized bed:
the hot air of the fluidized bed dries the stalk silk material layer from bottom to top. The cut stem drying equipment is provided with two hot air drying areas, and each drying area is provided with an independent hot air heating system. The hot air temperature of the drying area can be respectively set and can be automatically adjusted. The air speed of the hot air entering the drying area is adjusted through a hot air outlet pipeline adjusting valve. The hot air passes through a vertical regulating valve (below the entering fluidized bed, the cut stems are dried by the fluidized bed surface, most of the hot air is recycled by a heating system, and a small part of the hot air is discharged to the outside through a return air regulating valve and a moisture discharge pipe which are arranged in the middle of the top of the drying area.
The saturation in the steam pipeline of the fluidized bed hot air system is obviously improved by adjusting the remanufactured steam pipeline, the deviation of section moisture is reduced by 0.1 percent, and the phenomena of blockage and condensation of a filter screen of a heat exchanger are basically avoided. The temperature of hot air passing through the heat exchanger is uniform, the display value of the hot air temperature sensor is more real than before, the hot air entering the drying area is more balanced and the temperature is stable, and the dehydration capacity of the drying area is greatly improved by the modification of the first drying piece and the second drying piece. Now drying the first zone 12 and the second zone heat exchanger 30 at steam pressures of 0.5mpa and 0.4mpa fully satisfies the process requirements for two compartment temperatures of 125 + -2 deg.C in the first zone and 95 + -5 deg.C in the second zone. The production flow of the fluidized bed can be completely stabilized at 1600KG/H, and the process quality requirement of the moisture at the stalk drying outlet is met by 12.5% +/-0.5%. The stability of the moisture at the outlet of the fluidized bed is obviously improved. The quality of the cut stems is further improved, and the consistency of the internal quality of the cigarettes is ensured.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (4)
1. The utility model provides an improve fluidized bed and dry by fire device of stalk silk quality level which characterized in that: the drying device comprises a fluidized bed groove body (10), a feeding end (9) arranged at one end of the fluidized bed groove body (10), a discharging end (15) arranged at the other end of the fluidized bed groove body (10), a first drying piece used for drying materials passing through the first end to the second end of the fluidized bed groove body (10) and a second drying piece used for drying materials passing through the third end to the fourth end of the fluidized bed groove body (10), wherein the first drying piece comprises a zone drying chamber (16), a zone steam and dust extraction box (17) arranged at the top end of the zone drying chamber (16), a first air transmission pipe with one end connected to the zone steam and dust extraction box (17), a zone air inlet door (19) arranged at the first end of the first air transmission pipe and used for guiding external air into the zone air inlet door when the first drying pipe is opened, a zone exhaust air door (18) arranged at the second end of the first air transmission pipe and used for exhausting gas flowing out of the zone steam and dust extraction box (17) when the first drying pipe is opened, A first zone fan motor (20) arranged at the third end of the first air delivery pipe for sucking the outside air, a third air delivery pipe with one end connected to the first zone fan motor (20), a second air delivery pipe for receiving the outside air sucked from the first zone fan motor (20), a third air delivery pipe with one end connected to the second air delivery pipe, a third air delivery pipe for receiving the outside air of the second air delivery pipe, a fourth air delivery pipe with one end connected to the second air delivery pipe, a first zone heat exchange linkage air door (21) arranged at one end of the second air delivery pipe, a first zone heat exchanger (22) arranged on the fourth air delivery pipe for heating the outside air into hot air, a fifth air delivery pipe with one end connected to the third air delivery pipe and the fourth air delivery pipe respectively, and the other end connected to a zone drying chamber (16), a fifth air delivery pipe for receiving the outside air and the hot air respectively to form mixed air and delivering the mixed air to the zone drying chamber (16), and a first zone mixed air door (23) arranged on the fifth air delivery pipe, the second drying part comprises a second-zone drying chamber (24), a second-zone steam-dust extraction box (25) arranged at the top end of the second-zone drying chamber (24), a sixth air delivery pipe with one end connected to the second-zone steam-dust extraction box (25), a second-zone air inlet air door (27) arranged at the first end of the sixth air delivery pipe and used for introducing outside air when the sixth air delivery pipe is opened, a second-zone air outlet air door (26) arranged at the second end of the sixth air delivery pipe and used for discharging air flowing out of the second-zone steam-dust extraction box (25) when the sixth air delivery pipe is opened, a second-zone fan motor (28) arranged at the third end of the sixth air delivery pipe and used for sucking outside air, a seventh air delivery pipe with one end connected to the second-zone fan motor (28), a seventh air delivery pipe used for receiving outside air sucked from the second-zone fan motor (28), an eighth air delivery pipe with one end connected to the seventh air delivery pipe and used for receiving outside air delivered from the seventh air delivery pipe, an eighth air delivery pipe with one end connected to the seventh air delivery pipe, A ninth air delivery pipe for receiving the outside air of the seventh air delivery pipe, a two-zone heat exchange linkage air door (29) arranged at one end of the seventh air delivery pipe, a two-zone heat exchanger (30) arranged on the ninth air delivery pipe and used for heating the outside air into hot air, a tenth air delivery pipe with one end respectively connected with the eighth air delivery pipe and the ninth air delivery pipe and the other end connected with the two-zone drying chamber (24), a second-zone mixed air door (31) arranged on the tenth air delivery pipe and used for respectively receiving the outside air and the hot air to form mixed air and delivering the mixed air to the two-zone drying chamber (24); the first-zone drying chamber (16) comprises a first drying zone (12) arranged at the first end of the fluidized bed tank body (10), a first screen vibrating groove arranged at the bottom end of the first drying zone (12), and a first-zone guide plate (11) arranged at the top end of the first screen vibrating groove and used for preventing materials from sliding out of the first screen vibrating groove, and the second-zone drying chamber (24) comprises a second drying zone (13) arranged at the second end of the fluidized bed tank body (10), a second screen vibrating groove arranged at the bottom end of the second drying zone (13), and a second-zone guide plate (14) arranged at the top end of the second screen vibrating groove and used for preventing materials from sliding out of the second screen vibrating groove; the first-zone material guide plates (11) are respectively arranged at two ends of the top of the first screen vibrating groove, and the second-zone material guide plates (14) are respectively arranged at two ends of the top of the second screen vibrating groove; the first-zone material guide plate (11) comprises a plurality of first connecting plates (111) which are hinged to each other, a first elastic plastic film (112) which is coated on the first connecting plates (111) and used for preventing materials from sliding out of the hinged positions of the first connecting plates (111), and a first fixing structure used for fixing the first connecting plates (111) on the first screen vibrating chute, and the second-zone material guide plate (14) comprises a plurality of second connecting plates (141) which are hinged to each other, a second elastic plastic film (142) which is coated on the second connecting plates (141) and used for preventing materials from sliding out of the hinged positions of the second connecting plates (141), and a second fixing structure used for fixing the second connecting plates (141) on the second screen vibrating chute; the device also comprises a moisture discharging piece for discharging condensed water generated when the external air is heated to hot air by the first-zone heat exchanger (22) or the second-zone heat exchanger (30); the moisture removing piece comprises a manual ball valve (1), a flange (2) connected to one end of the manual ball valve (1), a water flow viewing mirror (3) connected to the other end of the flange (2), a drain valve (4) connected to the other end of the water flow viewing mirror (3), a filter (5) connected to the other end of the drain valve (4), a main drain pipe (7) connected to the other end of the filter (5), a bypass drain pipe (6) arranged at one end of the main drain pipe (7) and a heat exchanger connecting pipe (8) with one end connected to the main drain pipe (7) and the other end connected to the heat exchanger, a drain through hole (615) for draining water from the main drain pipe (7) is arranged at the joint of the bypass drain pipe (6) and the main drain pipe (7), and a sealing drain through hole (615) for sealing when the water pressure in the main drain pipe (7) is smaller than a preset pressure is arranged on the bypass drain pipe (6), And the sealing structure (61) is stressed to move in a direction away from the drainage through hole (615) when the water pressure in the main drainage pipe (7) is higher than the preset pressure.
2. The apparatus for improving the quality level of fluidized bed cut rolled stems according to claim 1, wherein: first fixed knot constructs including setting up in first ring (113) and one end of first connecting plate (111) bottom pass first screen cloth in proper order and shake first sieve mesh on the groove, first ring (113) and be connected in first iron wire (114) of the other end, second fixed knot constructs including setting up in second ring (143) and one end of second connecting plate (141) bottom pass second screen cloth in proper order and shake second sieve mesh on the groove, second ring (143) and be connected in second iron wire (144) of the other end.
3. The apparatus for improving the quality level of fluidized bed cut rolled stems according to claim 1, wherein: the area of the drain through hole (615) is smaller than the sectional area of the bypass drain pipe (6), the sealing structure (61) comprises a sealing plate (611) for sealing the drain through hole (615), a first spring (612) for pushing the sealing plate (611) to move towards the direction close to the drain through hole (615) so that the sealing plate (611) seals the drain through hole (615), and a first connecting rod (613) with one end connected to the inner side wall of the bypass drain pipe (6) and the other end connected to the first spring (612), and the area of the sealing plate (611) is smaller than the sectional area of the bypass drain pipe (6).
4. A device for improving the quality level of fluidized bed cut rolled stems according to claim 3, wherein: bypass drain pipe (6) are the cylinder body, the junction of bypass drain pipe (6) and main drain pipe (7) is equipped with circular backstop board, drainage through hole (615) are for setting up on circular backstop board, semi-circular drainage through hole (615) that the radius is less than circular backstop board's radius, it is equipped with recess (614) that the area is greater than the area of drainage through hole (615) to lie in drainage through hole (615) periphery on the circular backstop board, closing plate (611) are the area that the area is less than recess (614), area is greater than sealing plate (611) of drainage through hole (615) area.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085021U (en) * | 1989-12-19 | 1991-09-18 | 赵成安 | Float ball type horizontal bimetal effluent valve |
| JP2018069201A (en) * | 2016-11-04 | 2018-05-10 | 株式会社Ihi | Fluid bed system |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3482489D1 (en) * | 1983-09-16 | 1990-07-19 | Hambro Machinery Ltd | MEDIUM FOR DISTRIBUTING GAS. |
| CN87206038U (en) * | 1987-03-31 | 1987-10-14 | 张少军 | Vapour-water heat exchanger |
| CN2337492Y (en) * | 1998-09-11 | 1999-09-08 | 常州市智思机械制造有限公司 | Vibrating fluid-bed dryer |
| CN2616873Y (en) * | 2003-04-30 | 2004-05-19 | 江苏智思机械制造有限公司 | Stalk fluidized drying machine |
| CN200938838Y (en) * | 2006-08-04 | 2007-08-29 | 武汉烟草(集团)有限公司 | Hot air circulating system of returning feeding apparatus |
| CN101647599B (en) * | 2009-08-24 | 2011-12-21 | 中国烟草总公司郑州烟草研究院 | Flatbed electromagnetic heating tobacco drier |
| CN102069995A (en) * | 2010-11-15 | 2011-05-25 | 溧阳市华生机械制造有限公司 | Composite flexible scraper conveying device |
| CN102415609B (en) * | 2010-12-30 | 2013-06-26 | 厦门烟草工业有限责任公司 | Process hot air circulating device for tobacco charging machine and control method for device |
| CN105167143B (en) * | 2015-08-19 | 2017-07-18 | 四川中烟工业有限责任公司 | One grows tobacco ordering cylinder |
| CN206387116U (en) * | 2016-12-10 | 2017-08-08 | 河南中烟工业有限责任公司 | A kind of boiler overflow mechanism |
| CN208139737U (en) * | 2018-04-18 | 2018-11-23 | 秦皇岛烟草机械有限责任公司 | A kind of roller air-flowing type drying equipment with low feed inlet |
| CN209480165U (en) * | 2018-12-29 | 2019-10-11 | 北京锄禾食品有限责任公司 | One kind being used for black sesame paste sack-filling device |
-
2019
- 2019-11-13 CN CN201911104792.6A patent/CN110839928B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2085021U (en) * | 1989-12-19 | 1991-09-18 | 赵成安 | Float ball type horizontal bimetal effluent valve |
| JP2018069201A (en) * | 2016-11-04 | 2018-05-10 | 株式会社Ihi | Fluid bed system |
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