CN218790470U - Air control system of circulating fan of open-loop cigarette making machine - Google Patents
Air control system of circulating fan of open-loop cigarette making machine Download PDFInfo
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- CN218790470U CN218790470U CN202222466210.2U CN202222466210U CN218790470U CN 218790470 U CN218790470 U CN 218790470U CN 202222466210 U CN202222466210 U CN 202222466210U CN 218790470 U CN218790470 U CN 218790470U
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Abstract
The utility model discloses an open-loop cigarette machine circulating fan wind power control system, include: the inlet of the circulating fan is connected with the ambient air of a workshop, the outlet of the circulating fan is connected with the inlet of the air distribution box, the air in the air distribution box is converged by the first airflow pipeline after passing through the primary air separation nozzle, the secondary air separation nozzle, the fluidized bed nozzle and the fluidized bed top balance air device respectively, the converged air enters the suction type air suction chamber through the second airflow pipeline and enters the concentrated dust removal pipeline under the action of the negative pressure fan, and/or the converged air directly enters the concentrated dust removal pipeline through the third airflow pipeline. The device has the advantages that the installation is convenient, the practicability is strong, the fan inlet is communicated with the workshop atmosphere, the compressed air entering the fluidized bed at any moment is ensured to be clean, constant in temperature and constant in humidity, the physical indexes such as the temperature and the moisture of the fluidized bed are ensured to be relatively constant, and the physical indexes conform to the process standard; the smoke and dust is directly drawn away, and the phenomena that the nozzle is blocked by dust and the like are avoided.
Description
Technical Field
The utility model relates to a cigarette machine circulating fan wind control technical field, in particular to open-loop type cigarette machine circulating fan wind control system.
Background
Cigarette equipment such as ZJ112, ZJ116, ZJ118 and ZJ119 adopts a closed-loop circulating fan-fluidized bed tobacco shred conveying device, is a domestic high-speed machine mainly pushed in recent years in the tobacco industry, and has been taken as a production main machine by a plurality of cigarette companies.
The closed-loop circulating fan-fluidized bed has the obvious characteristics that soft air flow is used for conveying tobacco shreds at a high speed, so that the tobacco shred crushing rate is greatly reduced, and the uniformity, the filling density and the tobacco stem and tobacco shred sorting of the tobacco shreds are fully improved. However, the fluidized bed device uses a closed loop type internal circulation air control system, and the working flow is shown in figure 1. Along with the working time of the equipment, the temperature of the air flow in the fluidized bed cavity reaches 45-48 ℃ and causes the aroma and fragrance volatilization of the tobacco shreds to be greatly increased, the sensory quality such as taste, smoke characteristics, aroma performance and the like is influenced, meanwhile, the moisture of the tobacco shreds is evaporated and lost, and the circulating air flow is mixed with tobacco shred dust which is attached to the wall of the air flow pipe and in the air cavity to block the air flow injection nozzle. The technical indexes of the cigarettes are seriously influenced, and the failure rate of the equipment is increased. The basic working principle is as follows: when the circulating fan works, airflow enters the air distribution boxes on the wall plates on the two sides of the machine through the air pipes to be distributed to the fluidized bed, the primary separation nozzle device and the secondary separation nozzle device. The inlet end of the circulating fan is connected with the air outlet pipe at the upper part of the fluidized bed, thus forming an internal airflow circulating loop.
Most of the air flow in the circulator blower flows in a closed loop system, thereby having three extremely adverse effects: 1. the temperature of the circulating airflow rises, so that the fragrance of the cut tobacco is lost; 2. due to the rising temperature of the air flow, the moisture of the tobacco shreds is evaporated and lost; 3. the circulating air flow is mixed with tobacco shred dust, and the dust is adhered to three narrow spray nozzles of a primary separation, a secondary separation and a fluidized bed, an air cavity and an air flow pipeline to form dust blockage. Causing the fluctuation and attenuation of circulating air flow, seriously interfering and damaging stable tobacco shred flow, deteriorating cigarette process indexes and increasing the failure rate of equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an open-loop type cigarette machine circulating fan wind power control system is provided, it effectively solves this type of cigarette machine circulating air high temperature, does not have the difficult problem of comdenstion water again.
The utility model discloses the technical problem that solve is realized through following technical scheme:
the utility model provides an open-loop type cigarette machine circulating fan wind control system, includes: circulating fan, circulating fan's import links to each other with workshop ambient air, the export links to each other with the air distributor box entry, air in the air distributor box joins through first air flow pipeline after once wind selection nozzle, secondary wind selection nozzle, fluidized bed nozzle and fluidized bed top balance wind device respectively, and the air after joining gets into suction formula aspiration chamber and gets into concentrated dust removal pipeline under negative-pressure air fan effect through second air flow pipeline, and/or the air after joining directly gets into concentrated dust removal pipeline through third air flow pipeline.
Preferably, in the above technical solution, a circulating fan inlet silencer and a circulating fan air inlet regulating valve are installed at an inlet of the circulating fan, the circulating fan inlet silencer is used for eliminating air noise at the inlet of the circulating fan, and the circulating fan air inlet regulating valve is used for regulating the opening and closing range of the inlet of the circulating fan.
Preferably, in the above technical scheme, the circulating fan is arranged at the lower part of the right side surface of the VE feed slivering machine and is used for providing an air source for the air circulating system; the air distribution boxes are arranged on two side surfaces of the equipment and are symmetrically distributed; the fluidized bed nozzles are distributed at the bottom, the middle and the top of the arc-shaped fluidized bed guide plate and provide power for conveying tobacco shreds by the fluidized bed; the negative pressure fan is arranged on the upper part of the right side surface of the VE feeding slivering machine and is used for providing negative pressure for the suction type air suction chamber and removing dust of equipment.
Preferably, in the above technical scheme, the air distribution box is connected with the primary air separation nozzle, and a primary air separation regulating valve is arranged between the air distribution box and the primary air separation nozzle, and the primary air separation regulating valve is used for regulating the pressure of primary air separation compressed air.
Preferably, in the above technical scheme, the air distribution box is communicated with the secondary air separation nozzle, and is used for re-separating the cut tobacco sent from the primary air separation blowing cut tobacco and cut stem separation channel.
Preferably, in the above technical scheme, the fluidized bed nozzle and the fluidized bed top balance air system are respectively connected to the air distribution box, and balance air in the fluidized bed top balance air system is located above the fluidized bed nozzle and is matched with the fluidized bed nozzle to make tobacco shred flow enter the tobacco shred suction belt of the suction type air suction chamber along the fluidized bed.
Preferably, in the above technical solution, a pressure regulating valve is arranged between the fluidized bed top balance air system and the air distribution box, and the pressure regulating valve is used for regulating the negative pressure above the fluidized bed.
Preferably, in the above technical scheme, the third gas flow pipeline is provided with a fluidized bed gas flow outlet regulating valve, and the fluidized bed gas flow outlet regulating valve is used for regulating the negative pressure in the fluidized bed cavity.
Preferably, in the above technical scheme, a negative pressure fan inlet adjusting valve is arranged between the suction type air suction chamber and the negative pressure fan, a cut tobacco suction belt is arranged in the suction type air suction chamber, the negative pressure fan adsorbs cut tobacco sent from the fluidized bed on the cut tobacco suction belt, and air flow enters the negative pressure fan through the negative pressure fan inlet adjusting valve; and the outlet of the negative pressure fan is connected with the centralized dust removal pipeline.
Preferably, in the above technical scheme, the centralized dust removal pipeline is communicated with a centralized dust removal room in a production workshop and is used for centralized dust removal of equipment.
The above technical scheme of the utility model, following beneficial effect has:
the utility model has the advantages of convenient installation, strong practicability, and the communication between the fan inlet and the workshop atmosphere (constant temperature, constant humidity and cleanness), ensures that the compressed air entering the fluidized bed at any moment is clean, constant temperature and constant humidity, ensures that the physical indexes such as the temperature, the moisture and the like of the fluidized bed are relatively constant and meet the process standard; after passing through the fluidized bed, the airflow containing smoke dust is connected with a dust removal pipeline of a large fan through a newly designed pipeline, so that the smoke dust is directly pumped away, and the phenomena of nozzle blockage by dust and the like are avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a flow diagram of a fluidized bed gas flow operation of the prior art.
FIG. 2 is a schematic diagram of the air control system of the circulating fan of the open-loop cigarette making machine of the present invention;
fig. 3 is the airflow working flow chart of the circulating fan wind control system of the open-loop cigarette making machine of the utility model.
In the figure: 1-circulating fan air inlet regulating valve, 2-primary winnowing regulating valve, 3-negative pressure fan inlet regulating valve, 4-fluidized bed top balance air pressure regulating valve, 5-fluidized bed airflow outlet regulating valve, 6-circulating fan inlet silencer, 7-circulating fan, 8-air distribution box, 9-primary winnowing nozzle, 10-fluidized bed nozzle, 11-suction type aspiration chamber, 12-negative pressure fan and 13-centralized dust removal pipeline.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
As shown in fig. 2-3, a wind power control system for a circulating fan of an open-loop cigarette making machine comprises: the device comprises a circulating fan inlet silencer 6, a circulating fan air inlet regulating valve 1, a circulating fan 7, an air distribution box 8, a primary air separation nozzle 9, a primary air separation regulating valve 2, a fluidized bed nozzle 10, a fluidized bed airflow outlet regulating valve 5, a fluidized bed top balance air pressure regulating valve 4, a suction type aspiration chamber 11, a negative pressure fan inlet regulating valve 3, a negative pressure fan 12, a centralized dust removal pipeline 13 and the like. The following details:
the circulating fan 7, the import of circulating fan 7 links to each other with workshop ambient air, the export links to each other with the entry of air distributor box 8, the air in the air distributor box 8 joins through first air current pipeline after first air current nozzle 9, secondary air current nozzle, fluidized bed nozzle 10 and fluidized bed top balance wind device respectively, the air after joining gets into suction formula aspiration chamber 11 through the second air current pipeline and gets into concentrated dust removal pipeline 13 under negative pressure fan 12 effect, and/or the air after joining directly gets into concentrated dust removal pipeline 13 through the third air current pipeline. Generally, about 5% of the merged air enters the suction type suction chamber 11 through the second air flow pipeline and enters the centralized dust removing pipeline 13 under the action of the negative pressure fan 12, and about 95% of the merged air directly enters the centralized dust removing pipeline 13 through the third air flow pipeline. Of course, the percentages mentioned above are only about ratios. The present application is not limited thereto.
A circulating fan inlet silencer 6 and a circulating fan air inlet adjusting valve 1 are installed at the inlet of the circulating fan 7, the circulating fan inlet silencer 6 is used for eliminating air noise at the inlet of the circulating fan 7, and the circulating fan air inlet adjusting valve 1 is used for adjusting the opening and closing range of the inlet of the circulating fan 7, so that the inlet pressure of the air distribution box 8 is controlled. And the circulating fan 7 is arranged at the lower part of the right side surface of the VE feeding slivering machine and is used for providing an air source for the air circulating system.
The air distribution box 8 is connected with the primary air separation nozzle 9, a primary air separation adjusting valve 2 is arranged between the air distribution box and the primary air separation nozzle, and the primary air separation adjusting valve 2 is used for adjusting the pressure of primary air separation compressed air. Wherein, the air distribution box 8 is arranged on two side surfaces of the equipment and is symmetrically distributed.
The air distribution box 8 is communicated with the secondary air separation nozzle and is used for re-separating the cut tobacco sent from the primary air separation blowing cut tobacco and cut stem separation channel.
The air distribution box 8 is respectively connected with a fluidized bed nozzle 10 and a fluidized bed top balance air system, the fluidized bed top balance air system is positioned above the fluidized bed nozzle, and the fluidized bed nozzle and the fluidized bed top balance air system are matched with each other to enable the cut tobacco flow to enter a cut tobacco suction belt of a suction type suction chamber 11 along the fluidized bed. A pressure regulating valve 4 is arranged between the fluidized bed top balance air system and the air distribution box 8, and the pressure regulating valve 4 is used for regulating the negative pressure above the fluidized bed. The fluidized bed nozzles 10 are distributed at the bottom, the middle and the top of the arc fluidized bed guide plate to provide power for conveying tobacco shreds by the fluidized bed.
And a fluidized bed airflow outlet regulating valve 5 is arranged on the third airflow pipeline, and the fluidized bed airflow outlet regulating valve 5 is used for regulating the negative pressure in the fluidized bed cavity.
A negative pressure fan inlet adjusting valve 3 is arranged between the suction type air suction chamber 11 and the negative pressure fan 12, a cut tobacco suction belt is arranged in the suction type air suction chamber 11, the cut tobacco sent from the fluidized bed is adsorbed on the cut tobacco suction belt by the negative pressure fan 12, and air flow enters the negative pressure fan 12 through the negative pressure fan inlet adjusting valve 3; the outlet of the negative pressure fan 12 is connected with a centralized dust removing pipeline 13. The centralized dust removal pipeline 13 is communicated with a centralized dust removal room in a production workshop and is used for centralized dust removal of equipment. Wherein, the negative pressure fan 12 is arranged on the upper part of the right side surface of the VE feeding slivering machine and is used for providing negative pressure for the suction type air suction chamber 11 and removing dust of equipment.
The application discloses open-loop cigarette machine circulating fan wind control system, its principle is as follows:
the circulating fan inlet silencer 6 is used for eliminating air noise at the inlet of the circulating fan 7; the circulating fan air inlet regulating valve 1 is used for regulating the opening and closing range of the inlet of the circulating fan 7 so as to control the inlet pressure of the air distribution box 8; the circulating fan 7 is used for providing an air source for the whole air circulating system; the primary air separation nozzle 9 is used for carrying out primary air separation on the stems in the tobacco shreds; the primary air separation adjusting valve 2 is used for adjusting the pressure of primary air separation compressed air; the fluidized bed nozzle 10 provides power for conveying tobacco shreds by the fluidized bed; the regulating valve 5 is used for regulating the negative pressure in the fluidized bed cavity; the fluidized bed top balance air pressure regulating valve 4 is used for regulating the weak negative pressure above the fluidized bed and ensuring that the pressure is about-0.1 mbar; the inlet adjusting valve 3 of the negative pressure fan is used for adjusting the negative pressure in the cavity of the suction type air suction chamber 11 to be more than-85 mbar; the negative pressure fan 12 is used for providing negative pressure for the suction type air suction chamber 11 and removing dust of equipment; the centralized dust removal pipeline 13 is used for centralized dust removal of equipment and providing negative pressure for the suction type air suction chamber 11.
Compressed air enters an air distribution box 8 from an outlet of a circulating fan 7 and is redistributed to a primary air separation nozzle 9, a secondary air separation nozzle, a fluidized bed nozzle 10 and a fluidized bed top balance air device; the air flow of the air distribution box 8 enters a nozzle groove at the primary air separation part along with the compressed air of the primary air separation, and the position plays a decisive role in the sorting effect of the stems and the filaments; the compressed air of the secondary air separation carries out secondary separation on the cut tobacco from the cut tobacco and cut stem separation channel blown by the primary air separation; the stem sorting channel is communicated with the atmosphere, and partial airflow enters the fluidized bed along with secondary air separation compressed air; the fluidized bed nozzles 10 are distributed at the bottom, the middle and the top of the arc-shaped fluidized bed guide plate, compressed air in the fluidized bed nozzles 10 is communicated with the air distribution box 8, and the compressed air is matched with balance air provided by a balance air system at the top of the fluidized bed, so that cut tobacco flow is ensured to enter a suction type suction chamber 11 to suck cut tobacco strips smoothly and orderly along the fluidized bed; most of the airflow (accounting for about 95% of the air entering the fluidized bed) containing the smoke dust enters the pipeline with an upward opening through the filter screen above the fluidized bed, is pumped out of the fluidized bed and enters the centralized dust removal pipeline 13 through the airflow outlet adjusting valve 5 of the fluidized bed; a cut tobacco suction belt is arranged in the suction type air suction chamber 11, negative pressure in the cavity of the suction type air suction chamber 11 is mainly provided by a negative pressure fan 12, cut tobacco sent from a fluidized bed is adsorbed on the cut tobacco suction belt, the cut tobacco is carried by the cut tobacco suction belt to enter the next process flow, air flow passing through the cut tobacco suction belt contains smoke dust, and the air flow enters the negative pressure fan 12 through an inlet adjusting valve 3 of the negative pressure fan 12; the outlet of the negative pressure fan 12 is connected with a centralized dust removing pipeline 13.
The novel circulating fan system changes the original closed loop into an open loop: the closed circulation of the inlet and the outlet of the original circulating fan is changed into the way that the inlet is communicated with the atmosphere, namely, the compressed air entering the fluidized bed enters a centralized negative pressure dedusting system of a workshop through a newly designed pipeline, and the inlet and the outlet are independent. The inlet of the fan is communicated with the workshop atmosphere (constant temperature, constant humidity and clean) to ensure that the compressed air entering the fluidized bed is clean, constant temperature and constant humidity; after the air flows pass through the fluidized bed, the air flow containing smoke dust is connected with a negative pressure dust removal system centralized in a workshop through a newly designed pipeline, so that air inlet and air outlet are separated, and the problem of the original system is effectively solved.
Although the present invention has been described with reference to the above embodiments, it is not intended to limit the present invention, and various alternatives and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an open-loop cigarette machine circulating fan wind control system which characterized in that includes: circulating fan (7), the import of circulating fan (7) links to each other with workshop ambient air, the export links to each other with air distribution box (8) entry, air in air distribution box (8) converges through first air flow pipeline after once air separation nozzle (9), secondary air separation nozzle, fluidized bed nozzle (10) and fluidized bed top balance wind device respectively, and the air after converging gets into suction formula aspiration chamber (11) and gets into under negative pressure fan (12) and concentrates dust removal pipeline (13) through second air flow pipeline, and/or the air after converging directly gets into through third air flow pipeline and concentrates dust removal pipeline (13).
2. The open-loop type cigarette making machine circulating fan wind power control system according to claim 1, characterized in that a circulating fan inlet silencer (6) and a circulating fan air inlet regulating valve (1) are installed at the inlet of the circulating fan (7), the circulating fan inlet silencer (6) is used for eliminating the circulating fan (7) inlet air noise, and the circulating fan air inlet regulating valve (1) is used for regulating the opening and closing range size of the circulating fan (7) inlet.
3. The wind power control system of the circulating fan of the open-loop cigarette making machine according to claim 1, wherein the circulating fan (7) is arranged at the lower part of the right side surface of the VE feed slivering machine and is used for providing a wind source for an air circulating system; the air distribution boxes (8) are arranged on two side surfaces of the equipment and are symmetrically distributed; the fluidized bed nozzles (10) are distributed at the bottom, the middle and the top of the arc fluidized bed guide plate to provide power for conveying tobacco shreds by the fluidized bed; the negative pressure fan (12) is arranged on the upper portion of the right side face of the VE feeding slivering machine and used for providing negative pressure for the suction type air suction chamber (11) and removing dust of equipment.
4. The wind power control system of the circulating fan of the open-loop cigarette making machine according to claim 1, wherein the air distribution box (8) is connected with the primary air separation nozzle (9) and a primary air separation adjusting valve (2) is arranged between the air distribution box and the primary air separation nozzle, and the primary air separation adjusting valve (2) is used for adjusting the pressure of primary air separation compressed air.
5. The wind power control system of the circulating fan of the open-loop cigarette making machine according to claim 1, wherein the air distribution box (8) is communicated with the secondary air separation nozzle and used for re-separating the cut tobacco blown from the primary air separation and the cut stem separation channel.
6. The wind power control system for the circulating fan of the open-loop type cigarette making machine according to claim 1, wherein the fluidized bed nozzle (10) and the fluidized bed top balance wind system are respectively connected with the air distribution box (8), and balance wind in the fluidized bed top balance wind system is positioned above the fluidized bed nozzle and is matched with the fluidized bed nozzle to enable the cut tobacco to flow into the cut tobacco suction belt of the suction type wind suction chamber (11) along the fluidized bed.
7. The wind power control system for the circulating fan of the open-loop cigarette making machine according to claim 6, wherein a pressure regulating valve (4) is arranged between the top balance wind system of the fluidized bed and the air distribution box (8), and the pressure regulating valve (4) is used for regulating the negative pressure above the fluidized bed.
8. The wind power control system for the circulating fan of the open-loop cigarette making machine according to claim 1, wherein the third airflow pipeline is provided with a fluidized bed airflow outlet adjusting valve (5), and the fluidized bed airflow outlet adjusting valve (5) is used for adjusting the negative pressure in the fluidized bed cavity.
9. The wind power control system of the circulating fan of the open-loop cigarette making machine according to claim 1, characterized in that a negative pressure fan inlet adjusting valve (3) is arranged between the suction type air suction chamber (11) and the negative pressure fan (12), a cut tobacco suction belt is arranged in the suction type air suction chamber (11), the negative pressure fan (12) adsorbs cut tobacco sent from the fluidized bed on the cut tobacco suction belt, and air flow enters the negative pressure fan (12) through the negative pressure fan inlet adjusting valve (3); and the outlet of the negative pressure fan (12) is connected with the centralized dust removal pipeline (13).
10. The wind power control system of the circulating fan of the open-loop cigarette making machine according to claim 1, wherein the centralized dust removal pipeline (13) is communicated with a centralized dust removal room of a production workshop and is used for centralized dust removal of equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466210.2U CN218790470U (en) | 2022-09-18 | 2022-09-18 | Air control system of circulating fan of open-loop cigarette making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466210.2U CN218790470U (en) | 2022-09-18 | 2022-09-18 | Air control system of circulating fan of open-loop cigarette making machine |
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| Publication Number | Publication Date |
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| CN218790470U true CN218790470U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222466210.2U Active CN218790470U (en) | 2022-09-18 | 2022-09-18 | Air control system of circulating fan of open-loop cigarette making machine |
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| CN (1) | CN218790470U (en) |
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- 2022-09-18 CN CN202222466210.2U patent/CN218790470U/en active Active
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