CN218545111U - Sectional external heating low-temperature rotary drum type dryer - Google Patents
Sectional external heating low-temperature rotary drum type dryer Download PDFInfo
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- CN218545111U CN218545111U CN202222581751.XU CN202222581751U CN218545111U CN 218545111 U CN218545111 U CN 218545111U CN 202222581751 U CN202222581751 U CN 202222581751U CN 218545111 U CN218545111 U CN 218545111U
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Abstract
The utility model belongs to the technical field of drying equipment, in particular to a sectional type external heating low-temperature rotary drum type dryer, which comprises a rotatable drum body, wherein a plurality of combustion chambers are alternately arranged on the outer wall of the drum body, and the combustion chambers are rotationally connected with the drum body; the air guide box is arranged at the feed end of the barrel body, an air inlet pipe is connected to the air guide box, the air inlet pipe is connected with the air distribution box, a cold air pipe is connected to one inlet of the air distribution box, a hot air pipe is connected to the other inlet of the air distribution box, and the hot air pipes are respectively communicated with the corresponding combustion chambers through a plurality of branch pipes. The utility model adopts a mode of combining direct heating and indirect heating, can heat the inside and the outside simultaneously, further improves the drying efficiency, and can dry materials with larger humidity; the drying device can be used for drying materials with different temperature requirements after adjusting the temperature, so that the application scenes of the drying device are widened.
Description
Technical Field
The utility model belongs to the technical field of drying equipment, especially, relate to a sectional type external heating low temperature rotary drum formula drying-machine.
Background
The drying of wet materials is commonly carried out by a rotary cylinder dryer, and the heat source and the drying mode of the rotary cylinder dryer for the materials determine the drying efficiency.
Indirect drying is generally a method of externally heating the drum by burning coal, which has the advantages of simplicity and practicality, but relatively low efficiency. The drying of the wet materials is mainly to adopt an external heating mode or device, and the internal wet materials are dried by an indirect mode of heating the external of the drying equipment by fuels such as coal or firewood, and the like, so that the drying equipment or the drying mode has low heat utilization rate and can cause resource waste; and, directly heat the stoving at the barrel outside, there is corresponding problem. To the direct great drying equipment of rotary drum, the material of inlayer is difficult for drying, and inlayer temperature is not up to standard, can't realize the stoving requirement, especially to the great material of humidity, is difficult to realize quick, efficient stoving especially, influences the yield.
Direct drying has higher efficiency than indirect drying, generally is that direct letting in the hot gas source to material direct contact heating inside the barrel, but direct drying also can make the outer material of barrel be difficult for drying, and whole drying efficiency remains to be improved to direct drying's mode need install produce the heat source, carry the equipment of heat source, further complicated drying equipment's structural design.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the background art, the utility model provides a sectional type external heating low temperature rotary drum formula drying-machine is through being provided with a plurality of combustion chambers on the barrel to in guiding the heat of combustion chamber to the air distribution box, carry out the suitable hot-blast to the barrel inside of temperature after cold wind mixes, through the synchronous heating stoving operation on inside layer promptly, further improved drying efficiency, can dry the material of great humidity.
In order to achieve the above purpose, the utility model provides a technical scheme does:
a sectional type external heating low-temperature rotary drum dryer comprises a rotatable drum body, wherein a plurality of combustion chambers are alternately arranged on the outer wall of the drum body, and the combustion chambers are rotationally connected with the drum body; the air guide box is arranged at the feed end of the barrel body, an air inlet pipe is connected to the air guide box, the air inlet pipe is connected with the air distribution box, a cold air pipe is connected to one inlet of the air distribution box, a hot air pipe is connected to the other inlet of the air distribution box, and the hot air pipes are respectively communicated with the corresponding combustion chambers through a plurality of branch pipes.
Optionally, a first control valve is provided on each of the branch pipes.
Optionally, a second control valve and a third control valve are respectively arranged on the two inlets of the air distribution box.
Optionally, the air-supply line is detachable multistage pipeline setting, and one of them section pipeline is inside to be provided with the toper reposition of redundant personnel cover of a plurality of mutual concatenations, toper reposition of redundant personnel cover includes air-tight opening and ventilative pointed end, and two double-phase adjacent toper reposition of redundant personnel covers sets up relatively.
Optionally, a flow guide cover is arranged in the air guide box body, the air inlet pipe and the flow guide cover are communicated, and a filter screen is filled in an inner cavity of the flow guide cover.
Optionally, a temperature sensor is arranged at the tail end of the air inlet pipe.
Optionally, a hopper is arranged at the upper end of the air guide box body, and the hopper extends into the inner cavity of the feeding end of the barrel body.
Optionally, the discharge end of the cylinder is connected with a discharge box, and the discharge box is sequentially connected with a cyclone dust collector, a spray dust collector and a fan through a pipeline.
The utility model has the advantages of as follows and beneficial effect:
1. in the utility model, a plurality of combustion chambers are alternately arranged on the outer wall of the cylinder body, and the cylinder body is directly heated and dried; the feeding end of the cylinder body is communicated with the air distribution box, one inlet of the air distribution box is connected with a cold air pipe, the other inlet of the air distribution box is connected with a hot air pipe, and the hot air pipes are respectively communicated with the corresponding combustion chambers through a plurality of branch pipes. The heat generated by the combustion chamber is guided to enter the air distribution box and mixed with cold air, overlapped and adjusted in temperature, and then input into the cylinder body again. The utility model discloses a mode that direct heating and indirect heating combined together further simplifies drying equipment's overall arrangement, can the inside and outside concurrent heating, further promotes drying efficiency, can dry the great material of humidity.
2. The utility model discloses in, utilize the heat that the combustion chamber produced, heavily distribute earlier, mix with cold wind to reduce output temperature, just so can dry some materials that require not high to the temperature. For example, to the wooden material of stirring liquid medicine, its stoving temperature can not exceed 100 degrees centigrade, and the utility model discloses then can utilize the temperature of combustion chamber, and inside the heavy distribution cooling back let in the barrel, can carry out stoving after the adjustment temperature to the material that different temperatures required, easy operation is convenient, has widened drying equipment's application scene.
Drawings
Fig. 1 is a schematic view of a drum dryer provided by the present invention;
fig. 2 is a schematic view of a feed end of the drum dryer provided by the present invention;
FIG. 3 is a cross-sectional view of the feed end of the tumble dryer provided by the present invention;
fig. 4 is a schematic view of the air inlet pipe provided by the present invention and having a dome therein;
fig. 5 is a schematic view of the discharge end of the drum dryer provided by the present invention;
FIG. 6 is a schematic view of the connection between the discharge end of the drum dryer and the dust collector and the blower fan;
an icon: 1-cylinder, 11-carrier roller, 12-gear ring, 2-combustion chamber, 21-branch pipe, 22-first control valve, 23-hot air pipe, 3-air distribution box, 31-second control valve, 32-third control valve, 33-cold air pipe, 34-air inlet pipe, 35-temperature sensor, 4-air guide box body, 41-air guide cover, 42-filter screen, 43-hopper, 5-discharge box, 51-first interface, 52-discharge port, 6-cyclone dust collector, 61-second interface, 62-dust discharge port, 63-first pipeline, 7-spray dust collector, 71-second pipeline, 8-fan, 81-third pipeline, 9-conical flow distribution cover, 91-opening part and 92-tip part.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
As shown in fig. 1 to 6, a sectional external heating low temperature drum type dryer includes a rotatable drum body 1. The utility model discloses in, barrel 1 is formed by the concatenation of multistage cylinder. The two sides of the cylinder body 1 are provided with carrier rollers 11, the cylinder body 1 is supported through the carrier rollers 11, and the cylinder body 1 is further provided with a gear ring 12 which is connected and driven through a gear and a motor driving mechanism.
As shown in figure 1, a plurality of combustion chambers 2 are alternately arranged on the outer wall of the barrel 1, the combustion chambers 2 are rotatably connected with the barrel 1, and the barrel 1 is directly heated through the combustion chambers 2. The number of combustion chambers 2 is specifically set according to the length of the barrel 1.
As shown in fig. 2 and 3, the air guiding box body 4 is arranged at the feed end of the barrel body 1, the air guiding box body 4 is connected with an air inlet pipe 34, and the other end of the air inlet pipe 34 is connected with the air distribution box 3. One inlet of the air distribution box 3 is connected with a cold air pipe 33, the other inlet of the air distribution box 3 is connected with a hot air pipe 23, and the hot air pipes 23 are respectively communicated with the corresponding combustion chambers 2 through a plurality of branch pipes 21, so that hot air in the combustion chambers 2 can be guided into the air distribution box 3 to be mixed with cold air. The heat of combustion chamber 2 can be drawn forth through branch pipe 21 promptly, and the heat of a plurality of combustion chamber 2 is derived through hot-blast main 23 and is let in and mix with cold wind in joining in marriage bellows 3, further cooling after the intensive mixing, through the proportion of adjusting hot-blast and cold wind, adjusts output temperature to inside barrel 1 is exported to a suitable temperature, thereby can dry the material that has different demands to the temperature.
Furthermore, each branch pipe 21 is provided with a first control valve 22, and the hot air output flow of each combustion chamber 2 can be controlled through the first control valve 22, so that the temperature inside the combustion chamber 2 can be accurately controlled, and heat can be reasonably scheduled to be used through the plurality of combustion chambers 2.
Further, a second control valve 31 and a third control valve 32 are respectively provided at two inlets of the distribution box 3. The second control valve 31 is connected with the hot air pipe 23 and is used for controlling the hot air inlet quantity in the air distribution box 3; the third control valve 32 is connected with the cold air pipe 33 and used for controlling the cold air inlet amount in the air distribution box 3. Cold air and hot air enter the air distribution box 3 to be mixed, the hot air is cooled through cold air, the hot air output from the combustion chamber 2 is further cooled, and the hot air is conveyed into the barrel 1 after being cooled to a proper temperature. The adjustment of the temperature of the hot air on the air inlet pipe 34 is realized by adjusting the flow rates of the second control valve 31 and the third control valve 32.
As shown in fig. 4, further, the air inlet pipe 34 is a detachable multi-segment pipe arrangement, wherein a plurality of conical diversion covers 9 spliced with each other are arranged inside one segment of pipe, each conical diversion cover 9 includes an airtight opening portion 91 and an air-permeable tip portion 92, and two adjacent conical diversion covers 9 are arranged oppositely. The hot air mixed and outputted in the air distribution box 3 is firstly converged by the opening part 91 of the conical flow dividing cover 9 and flows out from the tip part 92; the hot air flowing out from the tip portion 92 is retained on the outer wall of the opening portion 91 of the next conical diversion cover 9 and flows out from the tip portion 92 to the inner cavity of the opening portion 91 of the next conical diversion cover 9 to be converged. The method is repeated in such a way, the hot air is thoroughly drained and disturbed, and the sufficient mixing of the hot air and the cold air is ensured.
Further, a flow guide cover 41 is arranged in the air guide box body 4, the air inlet pipe 34 is communicated with the flow guide cover 41, a filter screen 42 is filled in the inner cavity of the flow guide cover 41, hot air led out from the air distribution box 3 reaches the flow guide cover 41, is filtered by the filter screen 42 and then is blown into the barrel body 1, and directly contacts with materials for drying.
Further, a temperature sensor 35 is provided at the end of the air inlet pipe 34 for measuring the temperature of the hot air output from the air distribution box 3, and when the output temperature is inappropriate, the output temperature is adjusted by adjusting the flow rates of the second control valve 31 and the third control valve 32.
Furthermore, the upper end of the air guide box body 4 is provided with a hopper 43, and the hopper 43 extends into the inner cavity of the feeding end of the cylinder body 1, so that the material can be fed into the cylinder body 1.
Further, the discharge end of the cylinder 1 is connected with a discharge box 5, and the discharge box 5 is sequentially connected with a cyclone dust collector 6, a spray dust collector 7 and a fan 8 through pipelines.
Specifically, the discharging box 5 comprises a first connector 51 and a discharging port 52, the discharging port 52 is arranged at the lower end, and dried materials are directly discharged in a rotating manner; the first connector 51 is an airflow channel and is arranged at the upper end of the discharge box 5, and hot air flows out through the first connector 51. The cyclone dust collector 6 is arranged at the rear side of the discharge box 5, the cyclone dust collector 6 comprises a second connector 61, an ash discharge port 62 and a first pipeline 63, and the second connector 61 of the cyclone dust collector 6 is connected with the first connector 51 of the discharge box 5 through a pipeline; the bottom end of the cyclone dust collector 6 is provided with an ash discharging port 62, and the upper end of the cyclone dust collector 6 is provided with a first pipeline 63. The spray dust remover 7 is arranged at the rear side of the cyclone dust remover 6, and an air inlet at the bottom end of the spray dust remover 7 is connected with the first pipeline 63; an air outlet at the upper end of the spray dust remover 7 is connected with a second pipeline 71; an exhaust fan 8 is arranged on the second pipeline 71, and an air outlet of the exhaust fan 8 is connected with a third pipeline 81. Through the setting of fan 8, can cooperate the autogyration of barrel 1, realize that the material of inhaling of fan 8, the 1 upset ejection of compact of barrel, discharging efficiency is high, effectively avoids the problem of 1 inner chamber putty of barrel to can realize dustless stoving, effectively get rid of the dust in the hot-blast, realize pollution-free emission.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A sectional type external heating low-temperature rotary drum dryer comprises a rotatable drum body (1), and is characterized in that a plurality of combustion chambers (2) are alternately arranged on the outer wall of the drum body (1), and the combustion chambers (2) are rotatably connected with the drum body (1); the air guide box is characterized in that an air guide box body (4) is arranged at the feed end of the barrel body (1), an air inlet pipe (34) is connected to the air guide box body (4), the air inlet pipe (34) is connected with an air distribution box body (3), one inlet of the air distribution box body (3) is connected with a cold air pipe (33), the other inlet of the air distribution box body (3) is connected with a hot air pipe (23), and the hot air pipe (23) is communicated with a corresponding combustion chamber (2) through a plurality of branch pipes (21).
2. The segmented externally heated cryogenic tumble dryer of claim 1 wherein: a first control valve (22) is arranged on each branch pipe (21).
3. The segmented externally heated cryogenic tumble dryer of claim 1 wherein: and a second control valve (31) and a third control valve (32) are respectively arranged on two inlets of the air distribution box (3).
4. The segmented externally heated cryogenic tumble dryer of claim 3 wherein: the air-supply line (34) are detachable multistage pipeline setting, and wherein one section pipeline is inside to be provided with the toper reposition of redundant personnel cover (9) of a plurality of mutual concatenations, toper reposition of redundant personnel cover (9) are including airtight opening (91) and ventilative pointed end (92), and two liang of adjacent toper reposition of redundant personnel covers (9) set up relatively.
5. The segmented externally heated cryogenic tumble dryer of claim 4 wherein: be provided with kuppe (41) in the air deflection box body (4), air-supply line (34) and kuppe (41) intercommunication setting, kuppe (41) inner chamber is filled and is provided with filter screen (42).
6. The segmented externally heated cryogenic tumble dryer of claim 5 wherein: and a temperature sensor (35) is arranged at the tail end of the air inlet pipe (34).
7. The segmented externally heated cryogenic tumble dryer of claim 1 wherein: the air guide box body (4) is provided with a hopper (43) at the upper end, and the hopper (43) extends into the inner cavity of the feeding end of the barrel body (1).
8. The segmented externally heated cryogenic tumble dryer of claim 1 wherein: the discharging end of the barrel body (1) is connected with a discharging box (5), and the discharging box (5) is sequentially connected with a cyclone dust collector (6), a spray dust collector (7) and a fan (8) through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581751.XU CN218545111U (en) | 2022-09-28 | 2022-09-28 | Sectional external heating low-temperature rotary drum type dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581751.XU CN218545111U (en) | 2022-09-28 | 2022-09-28 | Sectional external heating low-temperature rotary drum type dryer |
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| Publication Number | Publication Date |
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| CN218545111U true CN218545111U (en) | 2023-02-28 |
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| CN202222581751.XU Active CN218545111U (en) | 2022-09-28 | 2022-09-28 | Sectional external heating low-temperature rotary drum type dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428831A (en) * | 2023-06-15 | 2023-07-14 | 山东省寿光蔬菜产业集团有限公司 | Drying and dewatering equipment for straw processing |
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2022
- 2022-09-28 CN CN202222581751.XU patent/CN218545111U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428831A (en) * | 2023-06-15 | 2023-07-14 | 山东省寿光蔬菜产业集团有限公司 | Drying and dewatering equipment for straw processing |
| CN116428831B (en) * | 2023-06-15 | 2023-11-21 | 山东省寿光蔬菜产业集团有限公司 | Drying and dewatering equipment for straw processing |
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