CN215278568U - Novel fluidized bed air flow cooling control system - Google Patents
Novel fluidized bed air flow cooling control system Download PDFInfo
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- CN215278568U CN215278568U CN202120535314.7U CN202120535314U CN215278568U CN 215278568 U CN215278568 U CN 215278568U CN 202120535314 U CN202120535314 U CN 202120535314U CN 215278568 U CN215278568 U CN 215278568U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The utility model discloses a novel fluidized bed air current cooling control system utility model relates to fluidized bed air current control technical field, including circulating fan, circulating fan's outside is provided with air intlet, air intlet comprises infundibulate passageway and first governing valve, first governing valve is installed in the inside of infundibulate passageway, infundibulate passageway is installed in circulating fan's air intake department, circulating fan's air outlet has the air distribution case through the pipe connection, the air distribution case is connected with once sorting unit, secondary sorting unit and fluidized bed respectively through the wind channel. The utility model discloses change original air current control's closed loop into the open-loop, the fan import communicates with each other with smoke factory workshop atmosphere (constant temperature, constant humidity), and the compressed air who guarantees to get into the fluidized bed is clean, constant temperature, constant humidity, very big reduction the inside mobile air's of equipment temperature to carry out effectual protection to the pipe tobacco that blows.
Description
Technical Field
The utility model relates to a fluidized bed air current control technical field, concretely relates to novel fluidized bed air current cooling control system utility model.
Background
The cigarette making machine is divided into three parts: feeding into a slivering machine; a rolling and connecting forming machine; the nozzle connecting machine, the fluidized bed is an important device in a feeding and slivering machine, the fluidized bed in a broad sense is a general name of all systems which convey tobacco shreds into an air inlet chamber in the feeding and slivering machine so as to form tobacco shreds, the conveying and the slivering of the tobacco shreds are controlled by air flow, the blowing of the tobacco shreds is completed by the fluidized bed, the adsorption and the slivering of the tobacco shreds in the air chamber are completed by a negative pressure fan, the traditional fluidized bed air flow control is that compressed air enters an air distribution box from an outlet of a circulating fan, a right air distribution box is connected with a left air distribution box through a pipeline, so that the compressed air uniformly enters the fluidized bed, a primary sorting device and a secondary sorting device from the left side and the right side, redundant compressed air in the air distribution box is discharged into a pressure stabilizing chamber through a fourth regulating valve, the pressure stabilizing chamber is communicated with the atmosphere through a designed pressure stabilizing channel, the air entering the pressure stabilizing chamber is brought into the fluidized bed by the compressed air which is primarily sorted through a narrow channel above the primary sorting, the negative pressure fan provides a negative pressure cavity in the air chamber, the negative pressure adsorbs the cut tobacco blown by the fluidized bed on a cut tobacco suction belt in the air chamber, and the cut tobacco suction belt carries the tobacco bundles to enter the next process flow. Part of airflow in the fluidized bed is sucked into the air chamber, is conveyed to a negative pressure dust removal system of a smoke factory by a negative pressure fan, enters the air of the fluidized bed, the rest enters a pipeline with an upward opening through a filter screen above the fluidized bed, enters an inlet of a circulating fan through a cyclone dust collector, the cyclone dust collector is used for separating smoke dust in the airflow, the separated smoke dust enters the inlet of the negative pressure fan, and is finally discharged into the negative pressure dust removal system of the smoke factory, and therefore compressed air forms a large internal circulation from an outlet to the inlet of the circulating fan.
Most of air in the traditional circulating fan flows in a closed-loop system, the temperature of the circulating air is further increased, the fragrance of blown tobacco is lost, the air flow is polluted by smoke dust, the smoke dust is accumulated in air cavities of a primary sorting device, a secondary sorting device and a fluidized bed, and the air cavities are blocked.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel fluidized bed air current cooling control system utility model to solve the above-mentioned weak point among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: a novel fluidized bed airflow cooling control system comprises a circulating fan 2, an air inlet is arranged outside the circulating fan 2 and consists of a silencer 7, a funnel-shaped passage 5 and a first regulating valve 6, the first regulating valve 6 is installed inside the funnel-shaped passage 5, the funnel-shaped passage 5 is installed at the air inlet of the circulating fan 2, an air outlet of the circulating fan 2 is connected with a left air distribution box 3 and a right air distribution box 3 through pipelines, the two air distribution boxes 3 are communicated with each other, the two air distribution boxes 3 are respectively connected with a surge chamber 21, a primary sorting device 8, a secondary sorting device 9 and a fluidized bed 10 through air channels, an air chamber 4 is arranged on the front side of the fluidized bed 10, a group of filter screens 14 are arranged on the back side of the primary sorting device 8, another group of filter screens 14 are arranged on the top of the fluidized bed 10, the top of fluidized bed 10 has smoke plant negative pressure dust pelletizing system 17 through the pipe connection, air chamber 4 has negative pressure fan 15 through the pipe connection, negative pressure fan 15 communicates with smoke plant negative pressure dust pelletizing system 17 through the pipeline.
Preferably, a second regulating valve 11 is installed between the air distribution box 3 and the primary sorting device 8, a third regulating valve 12 is installed between the air chamber 4 and the negative pressure fan 15, a fourth regulating valve 13 is installed between the air distribution box 3 and the pressure stabilizing chamber 21, and a fifth regulating valve 18 is installed between the fluidized bed 10 and the negative pressure dust removal system 17 of the tobacco plant.
Preferably, the back side of the secondary sorting device 9 is also provided with a screen 14 which is communicated with the atmosphere of the factory.
In the technical scheme, the utility model provides a technological effect and advantage:
the utility model changes the closed loop of the original air flow control into the open loop, namely, the closed loop of the inlet and the outlet of the original circulating fan is changed into the closed loop of the inlet and the outlet of the original circulating fan to be communicated with the atmosphere, and the compressed air entering the fluidized bed enters the negative pressure dust removal system of the tobacco factory through a newly designed pipeline, so that the independence of the inlet and the outlet is realized, the inlet of the fan is communicated with the atmosphere (constant temperature and constant humidity) of the workshop of the tobacco factory, the compressed air entering the fluidized bed is ensured to be clean, constant temperature and constant humidity, the temperature of the flowing air inside the equipment is greatly reduced, the blown tobacco shreds are protected to a certain degree, the moisture loss of the tobacco shreds is effectively reduced, the crushing rate of the tobacco shreds caused by excessive drying is reduced, the deformation of the tobacco shreds can be reduced, the aroma loss of the tobacco shreds when the tobacco shreds are blown can not caused, the air containing smoke dust in the fluidized bed is connected with the negative pressure dust removal system of the tobacco factory through the newly designed pipeline, the air containing dust is discharged to the negative pressure dust removal system of the tobacco factory to be processed uniformly, and the clean new air that does not pollute in the use cigarette factory workshop of admitting air, can not lead to the fluidized bed, primary separation device, the air cavity blocks up because of there being cigarette ash in secondary separation device's the air cavity, and primary separation device's gas hole, secondary separation device's gas hole, three routes gas hole all is constrictive passageway on the fluidized bed, but the air in the compressed air is very clean, the gas hole can remain unobstructed always, also just enable the pipe tobacco to form stable pipe tobacco and flow, equipment operation is stable not shut down, because do not need to remove dust again, the dust remover in the former closed loop circulation system can save, consequently, equipment cost can also be reduced, and cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a front view of the feed slivering machine of the present invention.
Fig. 2 is a schematic diagram of the air flow control of the fluidized bed of the present invention.
FIG. 3 is a schematic view of the gas flow control of a conventional fluidized bed.
Description of reference numerals:
1. feeding into a slivering machine; 2. a circulating fan; 3. an air distribution box; 4. an air chamber; 5. a funnel-shaped passage; 6. a first regulating valve; 7. a muffler; 8. a primary sorting device; 9. a secondary sorting device; 10. a fluidized bed; 11. a second regulating valve; 12. a third regulating valve; 13. a fourth regulating valve; 14. filtering with a screen; 15. a negative pressure fan; 16. a cut stem sorting channel; 17. a negative pressure dust removal system of the tobacco plant; 18. a fifth regulating valve; 19. a cut tobacco stream; 20. open loop airflow; 21. a plenum; 22. a dust remover; 23. the dust remover is matched with a pipeline.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a novel fluidized bed airflow cooling control system as shown in figures 1-2, which comprises a circulating fan 2, an air inlet is arranged outside the circulating fan 2, the air inlet is composed of a silencer 7, a funnel-shaped channel 5 and a first regulating valve 6, the first regulating valve 6 is arranged inside the funnel-shaped channel 5, the funnel-shaped channel 5 is arranged at the air inlet of the circulating fan 2, the air outlet of the circulating fan 2 is connected with a left group of air distribution boxes 3 and a right group of air distribution boxes 3 through pipelines, the two groups of air distribution boxes 3 are mutually communicated, the two groups of air distribution boxes 3 are respectively connected with a surge chamber 21, a primary sorting device 8, a secondary sorting device 9 and a fluidized bed 10 through air ducts, the surge chamber 21 is used for stabilizing the air pressure of the air distribution boxes 3, the front side of the fluidized bed 10 is provided with an air chamber 4, the back side of the primary sorting device 8 is provided with a group of filter screens 14 for filtering when supplementing part of external air, the top of the fluidized bed 10 is provided with another group of filter screens 14 for blocking tobacco shreds, the top of the fluidized bed 10 is connected with a negative pressure dust removal system 17 of a tobacco plant through a pipeline, the air chamber 4 is connected with a negative pressure fan 15 through a pipeline, and the negative pressure fan 15 is communicated with the negative pressure dust removal system 17 of the tobacco plant through a pipeline;
a second regulating valve 11 is installed between the air distribution box 3 and the primary sorting device 8, a third regulating valve 12 is installed between the air chamber 4 and the negative pressure fan 15, a fourth regulating valve 13 is installed between the air distribution box 3 and the pressure stabilizing chamber 21, and a fifth regulating valve 18 is installed between the fluidized bed 10 and the negative pressure dust removal system 17 of the tobacco plant.
The specific implementation mode comprises the following steps:
firstly, air with constant temperature and humidity enters a circulating fan 2 through a funnel-shaped channel 5 and a first regulating valve 6, compressed air compressed by the circulating fan 2 enters an air distribution box 3 from an outlet of the circulating fan 2, then is distributed to a primary sorting device 8, a secondary sorting device 9 and a fluidized bed 10 through the air distribution box 3, and redundant compressed air enters a pressure stabilizing chamber 21 through a fourth regulating valve 13;
secondly, the pressure of compressed air in the primary sorting device 8 is regulated through a second regulating valve 11, so that the cut tobacco and the cut stems are sorted for the first time, and the sorted cut tobacco flows into a fluidized bed 10 along with the compressed air;
thirdly, the internal air pressure of the secondary sorting device 9 is the same as that of the air distribution box 3, the compressed air in the secondary sorting device 9 is used for sorting the cut stems which are blown from the primary sorting device 8 and are mixed with the cut tobacco again, and the sorted cut tobacco enters the fluidized bed 10 along with the compressed air in the secondary sorting device 9;
step four, the compressed air pressure of the fluidized bed 10 is the same as that of the air distribution box 3, so that the compressed air in the fluidized bed 10 is matched with the weak negative pressure above the fluidized bed 10, and the tobacco shred flow is ensured to enter the air chamber 4 stably and orderly along the fluidized bed;
and step five, enabling most of the airflow containing the smoke dust to pass through a filter screen 14 above the fluidized bed 10 and a pipeline with an upward opening, controlling weak negative pressure through a fifth adjusting valve 18, enabling most of the airflow containing the smoke dust to enter a negative pressure dust removal system 17 of the tobacco factory through the pipeline, and finally forming a complete open-loop airflow 20 by combining all the steps.
Further, in the above technical solution, a part of air in the fluidized bed 10 is sucked into the negative pressure fan 15 from below the air chamber 4, the negative pressure fan 15 provides negative pressure in the negative pressure cavity of the air chamber 4, the negative pressure adsorbs the cut tobacco sent from the fluidized bed 10 onto the cut tobacco suction belt, and the cut tobacco is carried by the cut tobacco suction belt to enter the next process flow.
Further, in the above technical solution, the back side of the secondary sorting device 9 is also provided with a filter screen 14 communicated with the factory building atmosphere, and in the second step and the third step, a small amount of factory building atmosphere is supplemented to the inside from the filter screen 14 at the back side of the secondary sorting device 9 when the primary sorting device 8 and the secondary sorting device 9 work, so as to balance the internal pressure;
the working principle is as follows: as shown in FIG. 3, the conventional fluidized bed air flow control device is to install a dust collector 22 on the circulating fan 2 in the feeding slivering machine 1 for dust removal and communicate with the negative pressure fan 15 through a dust collector matching pipe 23, thereby forming an internal circulation system, and as such, the temperature of the circulating air rises, which causes the fragrance of the blown tobacco shred to be lost and the air flow to be polluted by the smoke dust, the smoke dust is accumulated in the air cavities of the primary sorting device 8, the secondary sorting device 9 and the fluidized bed 10, and blocks the air cavities, and simultaneously, because the primary sorting blowing hole, the secondary sorting blowing hole and the three blowing holes on the fluidized bed are all narrow channels, the smoke dust in the compressed air is easy to accumulate and block the air holes, when the smoke dust is blocked at the above positions, a stable tobacco shred flow cannot be formed, thereby causing the machine to be stopped, in the utility model, the original closed loop is changed into an open loop, that is to change the closed loop circulation of the inlet and the inlet of the original circulating fan 2 into an open loop to communicate with the atmosphere, the compressed air entering the fluidized bed 10 enters the negative pressure dust removal system 17 of the tobacco factory through a newly designed pipeline, the inlet and the outlet are independent, the inlet of the fan is communicated with the atmosphere (constant temperature and constant humidity) of the workshop of the tobacco factory, the temperature of the flowing air inside the equipment is greatly reduced, the compressed air entering the fluidized bed 10 is ensured to be clean, constant temperature and constant humidity, certain protection can be carried out on the blown tobacco shreds, the moisture loss of the tobacco shreds is effectively reduced, the crushing rate of the tobacco shreds caused by over-drying is reduced, the deformation of the tobacco shreds is also reduced, the flavor loss of the tobacco shreds when the tobacco shreds are blown is avoided, the air contained in the smoke of the fluidized bed 10 is connected with the negative pressure dust removal system 17 of the tobacco factory through the newly designed pipeline, the gas containing dust is discharged into the negative pressure dust removal system 17 of the tobacco factory for uniform treatment, and the air intake is clean new air which is not polluted by the workshop of the tobacco factory, can not lead to fluidized bed 10, sorting unit 8 once, the air cavity blocks up because of there being cigarette ash in secondary sorting unit 9's the air cavity, and sorting unit 8's the gas hole once, secondary sorting unit 9's the gas hole, three routes gas hole all is constrictive passageway on the fluidized bed, nevertheless because the utility model discloses well compressed air is very clean, the gas hole can keep unobstructed always, also just can make the pipe tobacco form stable pipe tobacco and flow 19, equipment operation is stable not shut down, owing to do not need to remove dust again, dust remover 21 among the former closed loop system can save, consequently can also reduce equipment cost, simultaneously, also can reduce artifical clearance and artifical number of times of maintaining, reduced the holistic maintenance cost of equipment.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (3)
1. The utility model provides a novel fluidized bed air current cooling control system, includes circulating fan (2), its characterized in that: the air inlet is arranged outside the circulating fan (2), the air inlet is composed of a silencer (7), a funnel-shaped channel (5) and a first regulating valve (6), the first regulating valve (6) is installed inside the funnel-shaped channel (5), the funnel-shaped channel (5) is installed at the air inlet of the circulating fan (2), the air outlet of the circulating fan (2) is connected with a left air distribution box and a right air distribution box (3) through pipelines, the two air distribution boxes (3) are communicated with each other, the two air distribution boxes (3) are respectively connected with a pressure stabilizing chamber (21), a primary sorting device (8), a secondary sorting device (9) and a fluidized bed (10) through air channels, an air chamber (4) is arranged on the front side of the fluidized bed (10), a set of filter screens (14) is arranged on the back side of the primary sorting device (8), the top of fluidized bed (10) is provided with another group's filter screen (14), there is smoke plant negative pressure dust pelletizing system (17) at the top of fluidized bed (10) through the pipe connection, air chamber (4) have negative pressure fan (15) through the pipe connection, negative pressure fan (15) communicate through pipeline and smoke plant negative pressure dust pelletizing system (17).
2. The novel fluidized bed airflow cooling control system according to claim 1, characterized in that: install second governing valve (11) between air distributor box (3) and primary sorting unit (8), install third governing valve (12) between air chamber (4) and negative-pressure air fan (15), install fourth governing valve (13) between air distributor box (3) and surge chamber (21), install fifth governing valve (18) between fluidized bed (10) and smoke plant negative pressure dust pelletizing system (17).
3. The novel fluidized bed airflow cooling control system according to claim 1, characterized in that: and a filter screen (14) communicated with the atmosphere of the workshop is also arranged on the back side of the secondary sorting device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120535314.7U CN215278568U (en) | 2021-03-15 | 2021-03-15 | Novel fluidized bed air flow cooling control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120535314.7U CN215278568U (en) | 2021-03-15 | 2021-03-15 | Novel fluidized bed air flow cooling control system |
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| Publication Number | Publication Date |
|---|---|
| CN215278568U true CN215278568U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120535314.7U Active CN215278568U (en) | 2021-03-15 | 2021-03-15 | Novel fluidized bed air flow cooling control system |
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| CN (1) | CN215278568U (en) |
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2021
- 2021-03-15 CN CN202120535314.7U patent/CN215278568U/en active Active
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