CN203828046U - Airflow type tobacco shred drying device with positive-pressure feeding - Google Patents
Airflow type tobacco shred drying device with positive-pressure feeding Download PDFInfo
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- CN203828046U CN203828046U CN201420247958.6U CN201420247958U CN203828046U CN 203828046 U CN203828046 U CN 203828046U CN 201420247958 U CN201420247958 U CN 201420247958U CN 203828046 U CN203828046 U CN 203828046U
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Abstract
The utility model discloses an airflow type tobacco shred drying device with positive-pressure feeding. The airflow type tobacco shred drying device comprises a combustion furnace, a first hot air pipe and a second hot air pipe, the first hot air pipe is communicated with an outlet of the combustion furnace, the second hot air pipe is led out from a first lateral wall of the first hot air pipe, the tail end of the second hot air pipe is connected to a second lateral wall of the first hot air pipe, the length of a pipe between the first lateral wall and the combustion furnace is larger than the length of a pipe between the second lateral wall and the combustion furnace, and a branch fan and a feeding pipe are sequentially installed on the second hot air pipe from an inlet to an outlet. By means of the airflow type tobacco shred drying device, the branch fan is installed at the position, in front of the feeding pipe, of the second hot air pipe, the air amount and the air pressure of the branch fan are controlled, on the basis that smooth discharging of tobacco shreds is guaranteed, a positive-pressure environment is maintained at the position of the feeding pipe, air is prevented from being leaked and entering the pipe, the energy utilization rate in the tobacco shred drying process is accordingly improved, the heat exchange efficiency of process gas and materials in a system is improved, and the quality of the dried tobacco shreds is improved.
Description
Technical field
The utility model relates to a kind of tobacco shreds drying technical field, especially a kind of air-flowing type tobacco shreds drying equipment of avoiding feed pipe to go out the employing malleation charging of air leak.
Background technology
At present, on the primary processing line of China's tobacco business, be equipped with multiple air flow and dry silk equipment, as SH94 type fuel oil (gas) duct type cut-tobacco drier, SH96 type fuel oil (gas) duct type cut-tobacco drier, also have the online bloating plant of SH92 cut tobacco of Changzhou Zhi Si company development.These air current type tobacco shred drying machines have all adopted the form of negative pressure charging, at feed pipe place, maintain subnormal ambient, although the setting of this subnormal ambient contributes to mass transport, but but increased the air leakage rate at charging gas lock place, existence due to this subnormal ambient, internal pressure is less than outside atmospheric pressure, make air very easily under this suction function, equal pipe tobacco to be dried enters drying duct together, had a strong impact on the heat exchanger effectiveness of the interior process gas of device systems and material, increased the oxygen content of drying duct inner drying air-flow, the raising of oxygen content in dry run, will affect the quality of pipe tobacco, also reduced energy utilization rate simultaneously.
Therefore,, in carrying out shredded tobacco baking process, reduce the oxygen content in dry gas stream, avoid the air leak in fill process, can improve the energy utilization rate in shredded tobacco baking process, the heat exchanger effectiveness of process gas and material in raising system, can also improve quality of tobacco shreds simultaneously.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of air-flowing type tobacco shreds drying equipment of avoiding the employing malleation charging of air leak in fill process is provided, and this equipment can improve the heat exchanger effectiveness of the interior process gas of system and material.
For realizing above-mentioned utility model object, the utility model adopts technical scheme as follows:
A kind of air-flowing type tobacco shreds drying equipment that adopts malleation charging, comprise combustion furnace, the first hot air duct being communicated with combustion furnace outlet, second hot air duct of being drawn by the first side wall of the first hot air duct, the end of described the second hot air duct is connected to first hot air duct the second sidewall, duct length between described the first side wall and combustion furnace is greater than the duct length between the second sidewall and combustion furnace, and described the second hot air duct is provided with branch's blower fan and feed pipe successively to exit by import.
Further, charging gas lock is installed on described feed pipe, described branch blower fan is for making to have below charging gas lock branch's blower fan of positive pressure environment.
Further, the junction of described feed pipe and the second hot air duct is provided with air deflector, and described air deflector comprises the first guide face, the second guide face and the 3rd guide face;
Between second hot air duct and feed pipe of described the first guide face before feed pipe, and make to form the first path between the second hot air duct before feed pipe and feed pipe;
Between second hot air duct and the second hot air duct after feed pipe of described the second guide face before feed pipe, and make to form alternate path between the second hot air duct before feed pipe and the second hot air duct after feed pipe;
Between second hot air duct of described the 3rd guide face after feed pipe and feed pipe, and make to form three-way between the second hot air duct after feed pipe and feed pipe.
Further, described the first hot air duct comprises one section of vertical section, the port of export of described the second hot air duct is communicated to described vertical section, in its vertical section pipeline below described the second hot air duct outlet, inclined-plane with holes is installed, lower end, described inclined-plane with holes is communicated with impurity discharging port, and described impurity discharging port is opened on the tube wall of vertical section.
Further, the end of described the first hot air duct is communicated to separator, and the cavity of described separator is communicated to return air duct, and described return air duct is communicated to described combustion furnace.
Further, on described return air duct, return air fan is installed.
Further, described separator lower end is provided with discharging gas lock.
Further, described return air fan spiral case outer rim connection is provided with dedusting humidity discharging pipe.
Further, described feed pipe is arranged on the upper side wall of the second hot air duct, and vertically arranges.
Further, described branch blower fan is centrifugal blower.
Adopt after technique scheme, the utility model compared with prior art has following beneficial effect:
The utility model is by installing branch's blower fan on the hot air duct before feed pipe, by controlling air quantity and the blast of branch's blower fan, guaranteeing on the basis of the smooth blanking of pipe tobacco, make feed pipe place maintain positive pressure environment, avoid air leak to enter pipeline, thereby improve the energy utilization rate in shredded tobacco baking process, the heat exchanger effectiveness of process gas and material in raising system, reduce intrasystem oxygen content, make material in ground oxygen environment, complete dehydration, dry, improve quality of tobacco shreds.
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is feed pipe and air deflector place structural representation in Fig. 1;
Tu3Wei Tu1Zhong removal of impurities mechanism structural representation.
Wherein: 1 combustion furnace, 2 first hot air ducts, 21 the first side walls, 22 second sidewalls, 23 vertical section, 3 second hot air ducts, 31 branch's blower fans, 4 feed pipes, 41 charging gas locks, 5 air deflectors, 51 first paths, 52 alternate paths, 53 three-ways, 6 removal of impurities mechanisms, 61 inclined-planes with holes, 62 impurity discharging ports, 7 separators, 71 discharging gas locks, 8 return air ducts, 9 return air fans, 91 dedusting humidity discharging pipes, 10 dry paths.
The specific embodiment
As shown in Fig. 1 and Tu, the utility model provides a kind of air-flowing type tobacco shreds drying equipment that adopts malleation charging, comprise combustion furnace, the first hot air duct 2 being communicated with combustion furnace 1 outlet, second hot air duct 3 of being drawn by the first side wall 21 of the first hot air duct 2, the end of described the second hot air duct 3 is connected to the second sidewall 22 of the first hot air duct 2, duct length between described the first side wall 21 and combustion furnace 1 is greater than the duct length between the second sidewall 22 and combustion furnace 1, described the second hot air duct 3 is provided with branch's blower fan 31 and feed pipe 4 successively to exit by import, described branch blower fan 31 is preferably centrifugal blower.The first hot air duct 2 after the second hot air duct 3 ends forms dry path 10 of the present utility model.Above-mentioned air-flowing type tobacco shreds drying equipment, by setting up branch's blower fan 31 on the second hot air duct 3 before feed pipe 4, make feed pipe 4 places there is a positive pressure environment, avoided in traditional negative pressure fill process, air leak enters hot air duct, reduced the oxygen content in existing hot air duct, improved the heat exchanger effectiveness of the interior process gas of system and pipe tobacco material, improved energy utilization rate, and guarantee that pipe tobacco completes and dehydrates in low-oxygen environment, avoid the quality of pipe tobacco in oxygen environment to destroy, improved the quality of pipe tobacco.
As a kind of preferred embodiment of the present utility model, described feed pipe 4 is arranged on the upper side wall of the second hot air duct 3, and vertically arrange, charging gas lock 41 is installed on described feed pipe 4, can effectively avoid the process gas in pipeline in fill process to leak out pipeline under barotropic condition, simultaneously, described branch blower fan 31 is for can make charging gas lock 41 belows have branch's blower fan 31 of positive pressure environment, the air quantity that this branch's blower fan 31 provides and blast are after strict control, charging gas lock 41 belows that can make are pressure-fired environment, do not affect the normal charging of material, farthest realize energy-conserving and environment-protective and guarantee normally carrying out of drying process.
As shown in Figure 2, as a kind of preferred embodiment of the present utility model, between described charging gas lock 41He branch blower fan 31, be also provided with air deflector 5, this air deflector 5 is arranged on the junction of feed pipe 4 and the second hot air duct 3, described air deflector 5 is divided into the first path 51 by the connectivity part of feed pipe 4 and the second hot air duct 3, alternate path 52 and three-way 53, the second hot air duct 3 before described the first path 51 connection feed pipes 4 and the charging gas lock below of feed pipe 4, the second hot air duct 3 before described alternate path 52 connection feed pipes 4 and the second hot air duct 3 after feed pipe 4, the second hot air duct 3 that described three-way 53 is communicated with after feed pipe 4 and feed pipe 4, during use, the technique wind of being come by the second hot air duct 3 imports is after branch's blower fan 31, blast increases, this technique wind major part is passed through by alternate path 52, fraction is by the first path 51, make charging gas lock 41 belows maintain positive pressure environment, and with together with charging gas lock 41 pipe tobacco material out, by three-way 53, enter the second hot air duct 3, this pipe tobacco material end to the second hot air duct 3 under the technique wind action of alternate path 52 and the first path 51 moves, then enter the first hot air duct 2.
As shown in Figure 3, as a kind of preferred embodiment of the present utility model, described the first hot air duct 2 comprises one section of vertical section 23, the port of export of described the second hot air duct 3 is communicated to described vertical section 23, in this vertical section 23, removal of impurities mechanism 6 is set, the impurity that is used for away pipe tobacco material, concrete structure is for being provided with inclined-plane 61 with holes in vertical section 23 pipelines below described the second hot air duct 3 outlets, 61 lower ends, described inclined-plane with holes are communicated with impurity discharging port 62, and described impurity discharging port 62 is opened on the tube wall of vertical section 23.During use, impurity out together with pipe tobacco, because quality is larger, fall on inclined-plane 61 with holes, and glide from inclined-plane 61 with holes, finally by impurity discharging port 62 discharge lines, impurity moving direction is shown in dotted arrow direction in figure, in figure, solid arrow direction is technique wind direction, during actual use, impurity storage box can be set herein, at impurity discharging port, 62 places connect impurity-discharging pipe, and access impurity storage box impurity-discharging pipe is vertical or that tilt, by the refuse collecting of discharging, at set intervals this impurity storage box is cleared up.
As a kind of preferred embodiment of the present utility model, the end of described the first hot air duct is communicated to separator 7, the cavity of described separator 7 is communicated to return air duct 8, on described return air duct 8, return air fan 9 is installed, described return air duct 8 is communicated to described combustion furnace 1, after again heating, continue on for tobacco shreds drying, realize the use that is cycled to repeat of technique wind.
As a kind of preferred embodiment of the present utility model, described separator 7 lower ends are provided with discharging gas lock 71, avoid technique wind to be spilt by discharging opening.
As a kind of preferred embodiment of the present utility model, described return air fan 9 spiral case outer rims connections are provided with dedusting humidity discharging pipe 91, and this pipeline can play the effect of dedusting and humidity discharging simultaneously.During use, dust and part steam in pipe tobacco material in the process gas of coming, have been mingled with in return air duct, during by this return air fan 9, under the effect of centrifugal force, dust and steam are discharged via dedusting humidity discharging pipe 91, and this dedusting humidity discharging pipe 91 is preferably and is tangentially arranged on spiral case outer rim.
Embodiment in above-described embodiment can further combine or replace; and embodiment is described preferred embodiment of the present utility model; not design of the present utility model and scope are limited; do not departing under the prerequisite of the utility model design philosophy; the various changes and modifications that in this area, professional and technical personnel makes the technical solution of the utility model, all belong to protection domain of the present utility model.
Claims (10)
1. an air-flowing type tobacco shreds drying equipment that adopts malleation charging, is characterized in that, comprises
Combustion furnace,
The first hot air duct being communicated with combustion furnace outlet,
The separator being communicated with the first hot air duct outlet,
Second hot air duct of being drawn by the first side wall of the first hot air duct,
The end of described the second hot air duct is connected to first hot air duct the second sidewall, duct length between described the first side wall and combustion furnace is greater than the duct length between the second sidewall and combustion furnace, and described the second hot air duct is provided with branch's blower fan and feed pipe successively to exit by import.
2. a kind of air-flowing type tobacco shreds drying equipment that adopts malleation charging according to claim 1, is characterized in that, charging gas lock is installed on described feed pipe, and described branch blower fan is for making to have below charging gas lock branch's blower fan of positive pressure environment.
3. a kind of air-flowing type tobacco shreds drying equipment that adopts malleation charging according to claim 1, it is characterized in that, the junction of described feed pipe and the second hot air duct is provided with air deflector, and described air deflector comprises the first guide face, the second guide face and the 3rd guide face
Between second hot air duct and feed pipe of described the first guide face before feed pipe, and make to form the first path between the second hot air duct before feed pipe and feed pipe;
Between second hot air duct and the second hot air duct after feed pipe of described the second guide face before feed pipe, and make to form alternate path between the second hot air duct before feed pipe and the second hot air duct after feed pipe;
Between second hot air duct of described the 3rd guide face after feed pipe and feed pipe, and make to form three-way between the second hot air duct after feed pipe and feed pipe.
4. a kind of air-flowing type tobacco shreds drying equipment that adopts malleation charging according to claim 1, it is characterized in that, described the first hot air duct comprises one section of vertical section, the port of export of described the second hot air duct is communicated to described vertical section, in its vertical section pipeline below described the second hot air duct outlet, inclined-plane with holes is installed, lower end, described inclined-plane with holes is communicated with impurity discharging port, and described impurity discharging port is opened on the tube wall of vertical section.
5. a kind of air-flowing type tobacco shreds drying equipment that adopts malleation charging according to claim 1, is characterized in that, the cavity of described separator is communicated to return air duct, and described return air duct is communicated to described combustion furnace.
6. a kind of air-flowing type tobacco shreds drying equipment that adopts malleation charging according to claim 5, is characterized in that, on described return air duct, return air fan is installed.
7. a kind of air-flowing type tobacco shreds drying equipment that adopts malleation charging according to claim 5, is characterized in that, described separator lower end is provided with discharging gas lock.
8. a kind of air-flowing type tobacco shreds drying equipment that adopts malleation charging according to claim 6, is characterized in that, described return air fan spiral case outer rim connection is provided with dedusting humidity discharging pipe.
9. a kind of air-flowing type tobacco shreds drying equipment that adopts malleation charging according to claim 1, is characterized in that, described feed pipe is arranged on the upper side wall of the second hot air duct, and vertically arranges.
10. a kind of air-flowing type tobacco shreds drying equipment that adopts malleation charging according to claim 1, is characterized in that, described branch blower fan is centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247958.6U CN203828046U (en) | 2014-05-15 | 2014-05-15 | Airflow type tobacco shred drying device with positive-pressure feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420247958.6U CN203828046U (en) | 2014-05-15 | 2014-05-15 | Airflow type tobacco shred drying device with positive-pressure feeding |
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| CN203828046U true CN203828046U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420247958.6U Active CN203828046U (en) | 2014-05-15 | 2014-05-15 | Airflow type tobacco shred drying device with positive-pressure feeding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017045A (en) * | 2016-06-03 | 2016-10-12 | 昆山中能工业设备有限公司 | Aluminum chip drying system |
| CN113654337A (en) * | 2021-09-23 | 2021-11-16 | 云南中烟工业有限责任公司 | Sectional type hot air low-speed convection type cut tobacco drying device and operation method thereof |
-
2014
- 2014-05-15 CN CN201420247958.6U patent/CN203828046U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017045A (en) * | 2016-06-03 | 2016-10-12 | 昆山中能工业设备有限公司 | Aluminum chip drying system |
| CN113654337A (en) * | 2021-09-23 | 2021-11-16 | 云南中烟工业有限责任公司 | Sectional type hot air low-speed convection type cut tobacco drying device and operation method thereof |
| CN113654337B (en) * | 2021-09-23 | 2023-06-06 | 云南中烟工业有限责任公司 | Sectional type hot air low-speed convection type silk drying device and operation method thereof |
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| GR01 | Patent grant |