CN201377966Y - Looping-pipe split-type steam turning drying machine - Google Patents
Looping-pipe split-type steam turning drying machine Download PDFInfo
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- CN201377966Y CN201377966Y CN 200920020528 CN200920020528U CN201377966Y CN 201377966 Y CN201377966 Y CN 201377966Y CN 200920020528 CN200920020528 CN 200920020528 CN 200920020528 U CN200920020528 U CN 200920020528U CN 201377966 Y CN201377966 Y CN 201377966Y
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Abstract
The utility model discloses a looping-pipe split-type steam turning drying machine, which solves the problems of the straight-pipe-type steam turning drying machine that the examination is difficult, the heat exchanging area is small, the structure is complex, the manufacturing cost is high, and the like, and has the advantages of large heat conduction area, high heating efficiency, large processing capacity, simple structure, continuous operation, convenient application, low processing cost and the like, and comprises a cylinder, wherein the cylinder is turned and supported by a group of supporting rollers and is driven by an external power device in a rotation way; one end of the cylinder is connected with a feeder and a moisture-containing gas inlet, the other end is connected with a discharging hood, and a steam distribution chamber is arranged inside the discharging hood, and the steam distribution chamber is connected with the steam inlet, and the bottom part of the discharging hood is provided with a discharging port, and the top part is provided with an exhaustion port; a looping-pipe-typed heating device is arranged inside the cylinder, and the heating device is communicated with a branch pipeline inside the steam distribution chamber; and at the same time, a draining device is also arranged inside the steam distribution chamber, and a rotation connector is arranged at a steam inlet, and a single-side mechanical seal is arranged between the rotation connector and the cylinder.
Description
Technical field
The utility model relates to a kind of drying equipment, relates in particular to a kind of split type steam rotary dryer of endless tube that can be applicable to dry industries such as metallurgy, chemical industry, environmental protection, building materials.
Background technology
Steam rotary dryer be a kind of be the indirect heat exchange swinging drying equipment of thermal source with steam, it is applicable to the drying of the wet powder material in the industries such as metallurgy, chemical industry, environmental protection, building materials.As: powdered copper concentrate, the smart powder of iron, the smart powder of nickel, coal dust, desulfurated plaster, sodium sulfite etc.The more steam rotary dryer of present domestic use substantially all adopts the all-in-one-piece version of straight tube, be that the interior heat exchanger tube of drying machine adopts the straight tube that runs through whole cylindrical shell, straight tube one end seals with plug, other end opening, be welded on the steam steam chest, non-dismountable.The heat exchanger tube of straight tube monoblock type drying machine is back because of assembling finishes to be fixed together with cylindrical shell, when maintenance and replacing, can't in tube, extract out, maintain and replace is difficulty relatively, when wherein having heat exchanger tube damaged, generally can only stop up damaged heat exchanger tube is arranged, stop using, will have a strong impact on the heat exchange efficiency of drying machine like this; In addition, adopt the straight heat exchanger tube that runs through the whole length of cylindrical shell because of straight tube monoblock type drying machine, and the layout between the heat exchanger tube must guarantee certain tube pitch, so the stringing area in the cylindrical shell unit volume is less, usually satisfying under the prerequisite of certain heat exchange area, the draw ratio of its cylindrical shell is bigger, drying machine length is longer, for guaranteeing that material has certain time of staying in drying machine, the speed of gyration of drying machine is higher, the reliability of drive disk assembly is reduced, and the frame for movement of the type equipment is complicated.In addition, the hydrophobic main dependence steam pressure of straight tube monoblock type drying machine, outside swivel joint is discharged drying machine, this kind condensed water draining system complex structure, device fabrication and operating cost are all higher.
The utility model purpose
The purpose of this utility model is exactly for overcoming straight tube monoblock type steam rotary dryer maintenance difficulty, problems such as little, the complex structure of heat exchange area, manufacturing cost height on year-on-year basis, provides a kind of and has that heat transfer area is big, the thermal efficiency is high, disposal ability is big, the split type steam rotary dryer of endless tube of simple in structure, continued operation, easy to use, characteristics such as processing cost is low.
For achieving the above object, the utility model adopts following technical scheme:
The split type steam rotary dryer of a kind of endless tube, it comprises a cylindrical shell cylindrical shell, cylindrical shell is rotated support by one group of support roller, and is driven by external power set rotation; One end of cylindrical shell and charger with take the humid gas import and be connected; The other end is connected with the discharging cover, is provided with steam distribution chamber in the discharging cover, and steam distribution chamber is connected with steam inlet, and discharging cover bottom is provided with discharging opening, and the top is provided with exhaust outlet; Be provided with the annular tube type heater in cylindrical shell, this device is communicated with the indoor lateral of steam distribution; At the indoor pumping equipment that also is provided with of steam distribution, the steam inlet place is provided with swivel joint, is provided with single face mechanical seal between swivel joint and cylindrical shell simultaneously.
Described annular tube type heater is included in the 3-9 circle circular heating tube of arranging in concentrically ringed mode on the cross-wise direction in the cylindrical shell, along being arranged with the some groups of annular heat exchanger tubes that are parallel to each other on the cylindrical shell length direction; Each circle heat exchanger tube is divided into 3 ~ 5 parts on the cylindrical shell cross-sectional direction, each part by two through the straight tube that is parallel to each other of cylindrical shell total length be connected some between two straight tubes endless tubes that are parallel to each other and form, each indoor lateral of straight tube and steam distribution links together by flexible pipe, and endless tube is then parallel to be welded between two straight tubes; Every group of heat exchanger tube supports by the pipe holder that is welded on the barrel, and position corresponding with the straight tube of every group of heat exchanger tube on the pipe holder all is designed to semicircular groove, and straight tube is placed directly in the groove.
Described heating tube is the light pipe or the finned tube form of stainless steel or carbon steel matter.
The feed end of described cylindrical shell is higher than discharge end and tilts to place.
Described tumbler comprises two groups of riding wheel apparatus, and the gear wheel that the driven by motor of transmission device is fixed on the cylindrical shell rotates.
Described pumping equipment is the siphon pipe that is arranged on the steam distribution chamber bottom, and its water inlet is under liquid level, and delivery port is outside drying machine.
Described single face machinery is sealed into two sealing surfaces that form between the static housing in main shaft that swivel joint continue to rotate and outside, utilizes the gas film or the liquid film that form between two sealing surfaces to seal.
The split type steam rotary dryer of endless tube of the present utility model is a cylindrical shell that rotates, and is arranged with 3 ~ 9 circle circular heating tubes in concentrically ringed mode on the cross-sectional direction in the tube, along on the cylindrical shell length direction, is arranged with the some groups of heat exchanger tubes that are parallel to each other.For being easy to remove and repair, each circle heat exchanger tube is divided into 3 ~ 5 parts on cross-wise direction, each part is formed through the straight tube that is parallel to each other of cylindrical shell total length and some endless tubes that are connected between two straight tubes by two, each indoor lateral of straight tube and steam distribution links together by flexible pipe, and endless tube is then parallel to be welded between two straight tubes.The heating tube material can be selected stainless steel or carbon steel for use, can adopt light pipe or finned tube form.Each part heating tube can be used as an integral body from feed end by extracting out in the cylindrical shell, convenient to the heating tube maintenance with change.Feed steam distributor through the post-decompression saturated vapor of pressure-reducing valve, enter in each heating tube, dry required heat is provided by the lateral on it.Cylindrical shell tilts to install with 1.5: 100 ~ 3.5: 100 gradient, the feed end height, discharge end is low, behind the wet stock feeding drying machine to be dried, along with the rotation of cylindrical shell, be heated pipe and promote, offer, utilize multiple heat exchange modes such as convection current, conduction, radiation that material is carried out drying, and move to low end from a higher end by means of the gradient of drying machine, discharge by the discharging opening of drying machine afterbody at last.The condensed water that forms utilizes siphon principle in steam distributor, the condensed water that produces in the dry run is discharged outside the drying machine, after drain valve enters condensation water recovery system continuously.
The drying machine cylindrical shell is supported by two groups of riding wheel apparatus, and the gear wheel that is fixed on the cylindrical shell by the driven by motor of transmission device drives, and its motor speed can be regulated as required, obtains different drum speeds, satisfies the time of staying requirement of material in cylindrical shell.
Dry required heat is provided by saturated vapor, and the swivel joint saturated vapor import feeding steam distribution chamber by the drying machine afterbody is evenly distributed in each heating tube then.The condensed water that heat release forms in the dry run along with the rotation of body, because of the gravity effect, flows in the steam distribution chamber from heating tube continuously.Condensed water constantly compiles, and forms the liquid level of certain altitude in the bottom of steam distribution chamber, and the siphon pipe water inlet position is not below liquid level.Under the effect of saturated vapor, steam distributor and the certain pressure reduction of extraneous formation are pressed onto condensed water in the siphon pipe, utilize siphonage that condensed water is discharged outside the drying machine continuously afterwards.
The humid gas import of taking that humid gas located by feed end (or discharge end) of taking that is used for carrying moisture that dry run removes enters, in drying machine, move with material following current (or adverse current), carry the moisture that removes in the dry run, discharge outside the drying machine at the exhaust outlet through discharging cover (or feed end) under the effect of blower fan or gravity-flow ventilation.
Every group of heat exchanger tube of the split type drying machine of endless tube supports by the pipe holder that is welded on the barrel, position corresponding with the straight tube of every group of heat exchanger tube on the pipe holder all is designed to semicircular groove, straight tube is placed directly in the groove, each part heat exchanger tube can more easily be extracted out in cylindrical shell, so that heating tube is overhauled and changes.
The form of single face mechanical seal is adopted in the sealing of the split type drying machine steam of endless tube, use a swivel joint in the single face mechanical seal, formation two sealing surfaces between the static housing in the joint main shaft that continue to rotate and outside, utilize the gas film or the liquid film that form between two sealing surfaces to seal, the realization simple in structure, easy of this kind seal form.
The beneficial effects of the utility model:
1, every circle heating tube of the split type steam rotary dryer of endless tube is divided into several parts on hoop, the heating tube of each part is made up of two straight tube that is parallel to each other and some crooked endless tubes that run through cylindrical shell length, and crooked endless tube is welded in parallel between two straight tubes according to a determining deviation.Every circle heating tube is arranged in concentrically ringed mode, support by the pipe holder that is welded on the barrel, position corresponding with every circle straight tube on the pipe holder all is designed to semicircular groove, straight tube is placed directly in the groove, each part heat exchanger tube can more easily be extracted out in cylindrical shell, conveniently heating tube is overhauled and changes.
2, the condensed water of the split type drying machine of endless tube relies on siphon principle to discharge outside the drying machine, and its draining system is simple in structure.The condensed water that steam heat release in dry run forms, along with the rotation of cylindrical shell under the gravity effect, flow into continuously in the steam distribution chamber, form the liquid level of certain altitude.Under the effect of saturated vapor, steam distribution chamber and the certain pressure reduction of extraneous formation are pressed onto condensed water in the siphon pipe, and the condensed water that utilizes siphonage that dry run is produced is afterwards discharged outside the drying machine continuously.
3, the split type drying machine of endless tube is big because of the heat exchanger tube area of arranging in the unit volume, satisfying under the prerequisite of identical heat exchange area, the draw ratio of its cylindrical shell is little than straight tube monoblock type drying machine, can reduce the length of drying machine, reduce the revolution rotating speed, improve the operational reliability of mechanical transmission component.
4, for identical heat exchange area, the split type drying machine of endless tube can have less cylindrical shell volume and bigger material filling rate, the heat exchange efficiency height, and floor space is little, and device fabrication and operating cost reduce.
5, the form of single face mechanical seal is adopted in the split type drying machine steam of endless tube admission sealing, use a swivel joint in the single face mechanical seal, form a sealing surface between the static housing in the joint main shaft of persistent movement and outside, utilize the gas film or the liquid film that form between two sealing surfaces to realize sealing, the realization simple in structure, easy of this kind seal form.
Description of drawings
Fig. 1 is a construction profile schematic diagram of the present utility model;
Fig. 2 is a cylindrical shell cross-sectional view of the present utility model;
Fig. 3 is a condensed water hydrophobic structure schematic diagram
Fig. 4 is an admission sealed structural representation of the present utility model.
Wherein, 1. steam inlet, 2. steam distribution chamber, 3. flexible pipe, 4. exhaust outlet, 5. discharging cover, 6. heating tube, 7. gear wheel, 8. cylindrical shell, 9. charger is 10. taken the humid gas import, 11. riding wheel apparatus, 12. transmission devices, 13. discharging opening, 14. bleeder valves, 15. swivel joints, 16. endless tubes, 17. straight tube, 18. grooves, 19. pipe holders, 20. siphon pipes, 21. liquid level, 22. main shafts, 23. sealing surfaces, 24. housings.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Among Fig. 1, Fig. 2, Fig. 3, Fig. 4, the split type steam rotary dryer main body of this endless tube is a cylindrical shell 8 that rotates, be arranged with 3 ~ 9 circle circular heating tubes 6 in concentrically ringed mode on the cross-wise direction in the tube, on cylindrical shell 8 length directions, be arranged with the some groups of heat exchanger tubes that are parallel to each other.For being easy to remove and repair, each circle heat exchanger tube is divided into 3 ~ 5 parts on cylindrical shell 8 cross-sectional direction, each part is formed through the straight tube that is parallel to each other 17 of cylindrical shell total length and the some endless tubes 16 that are connected between two straight tubes 17 by two, each lateral in straight tube 17 and the steam distribution chamber 2 links together 16 parallel being welded between two straight tubes 17 of endless tube by flexible pipe 3.Heating tube 6 materials can be selected stainless steel or carbon steel for use, can adopt light pipe or finned tube form.Each part heating tube 6 can be used as an integral body from feed end by extracting out in the cylindrical shell, convenient to the heating tube maintenance with change.Saturated vapor as thermal source feeds steam distribution chamber 2, enters in each heating tube 6 by the lateral on it, and dry required heat is provided.Cylindrical shell 8 tilts to install with 1.5: 100 ~ 3.5: 100 gradient, the feed end height, discharge end is low, after wet stock to be dried feeds drying machines by charger 9, along with the rotation of cylindrical shell 8, be heated pipe and promote, offer, utilize multiple heat exchange modes such as convection current, conduction, radiation that material is carried out drying, and move to low end from a higher end by means of the gradient of drying machine, discharge by the bleeder valve 14 at drying machine afterbody discharging opening 13 places at last.The condensed water that forms is pooled in the steam distribution chamber 2, utilizes siphon principle, discharges outside the drying machine, after drain valve enters condensation water recovery system.
Drying machine cylindrical shell 8 is supported by two groups of riding wheel apparatus 11, the gear wheel 7 that is fixed on the cylindrical shell 8 by the driven by motor of transmission device 12 drives, its motor speed can be regulated as required, obtains different drum speeds, satisfies the time of staying requirement of material in cylindrical shell.
Dry required heat is provided by saturated vapor, and the saturated vapor import 1 feeding steam distribution chamber 2 by the drying machine afterbody is evenly distributed in each heating tube 6 then.The condensed water that heat release forms in the dry run along with the rotation of body, because of the gravity effect, flows in the steam distribution chamber 2 from heating tube 6 continuously.Condensed water constantly compiles, and forms the liquid level 21 of certain altitude in the bottom of steam distributor 2, and siphon pipe 20 water inlet position are not at liquid level below 21.Steam distributor 2 and the certain pressure reduction of extraneous formation are pressed onto condensed water in the siphon pipe 20, utilize siphonage that condensed water is discharged outside the drying machine continuously afterwards.
The humid gas import 10 of taking that humid gas located by feed end (or discharge end) of taking that is used for carrying moisture that dry run removes enters, in drying machine, move with material following current (or adverse current), carry the moisture that removes in the dry run, discharge outside the drying machine at the exhaust outlet 4 through discharging cover (or feed end) under the effect of blower fan or gravity-flow ventilation.
Every group of heat exchanger tube 6 of the split type drying machine of endless tube supports by the pipe holder 19 that is welded on the barrel, position corresponding with the straight tube 17 of every group of heat exchanger tube on the pipe holder 19 all is designed to semicircular groove 18, straight tube 17 is placed directly in the groove 18, each part heat exchanger tube can more easily be extracted out in cylindrical shell, so that heating tube is overhauled and changes.
The form of single face mechanical seal is adopted in the sealing of the split type drying machine steam of endless tube, use a swivel joint 15 in the single face mechanical seal, formation one sealing surface 23 between the static housing 24 in the joint main shaft 22 that continue to rotate and outside, utilize the gas film or the liquid film that form between two sealing surfaces 23 to seal the realization simple in structure, easy of this kind seal form.
Claims (7)
1. the split type steam rotary dryer of endless tube is characterized in that, it comprises a cylindrical shell, and cylindrical shell is rotated support by one group of support roller, and is driven by external power set rotation; One end of cylindrical shell and charger with take the humid gas import and be connected; The other end is connected with the discharging cover, is provided with steam distribution chamber in the discharging cover, and steam distribution chamber is connected with steam inlet, and discharging cover bottom is provided with discharging opening, and the top is provided with exhaust outlet; Be provided with the annular tube type heater in cylindrical shell, this device is communicated with the indoor lateral of steam distribution; At the indoor pumping equipment that also is provided with of steam distribution, the steam inlet place is provided with swivel joint, is provided with single face mechanical seal between swivel joint and cylindrical shell simultaneously.
2. the split type steam rotary dryer of endless tube as claimed in claim 1, it is characterized in that, described annular tube type heater is included in the 3-9 circle circular heating tube of arranging in concentrically ringed mode on the cross-wise direction in the cylindrical shell, along being arranged with the some groups of annular heat exchanger tubes that are parallel to each other on the cylindrical shell length direction; Each circle heat exchanger tube is divided into the 3-5 part on the cylindrical shell cross-sectional direction, each part by two through the straight tube that is parallel to each other of cylindrical shell total length be connected some between two straight tubes endless tubes that are parallel to each other and form, each indoor lateral of straight tube and steam distribution links together by flexible pipe, and endless tube is then parallel to be welded between two straight tubes; Every group of heat exchanger tube supports by the pipe holder that is welded on the barrel, and position corresponding with the straight tube of every group of heat exchanger tube on the pipe holder all is designed to semicircular groove, and straight tube is placed directly in the groove.
3. the split type steam rotary dryer of endless tube as claimed in claim 2 is characterized in that, described heating tube is the light pipe or the finned tube form of stainless steel or carbon steel matter.
4. the split type steam rotary dryer of endless tube as claimed in claim 1 is characterized in that the feed end of described cylindrical shell is higher than discharge end, tilts to place by 1.5: 100 ~ 3.5: 100 gradient ends.
5. the split type steam rotary dryer of endless tube as claimed in claim 1 is characterized in that described tumbler comprises two groups of riding wheel apparatus, and the gear wheel that the driven by motor of transmission device is fixed on the cylindrical shell rotates.
6. the split type steam rotary dryer of endless tube as claimed in claim 1 is characterized in that, described pumping equipment is the siphon pipe that is arranged on the steam distribution chamber bottom, and its water inlet is under liquid level, and delivery port is outside drying machine.
7. the split type steam rotary dryer of endless tube as claimed in claim 1, it is characterized in that, described single face machinery is sealed into two sealing surfaces that form between the static housing in main shaft that swivel joint continue to rotate and outside, utilizes the gas film or the liquid film that form between two sealing surfaces to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920020528 CN201377966Y (en) | 2009-04-13 | 2009-04-13 | Looping-pipe split-type steam turning drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920020528 CN201377966Y (en) | 2009-04-13 | 2009-04-13 | Looping-pipe split-type steam turning drying machine |
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| Publication Number | Publication Date |
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| CN201377966Y true CN201377966Y (en) | 2010-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200920020528 Ceased CN201377966Y (en) | 2009-04-13 | 2009-04-13 | Looping-pipe split-type steam turning drying machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374757A (en) * | 2010-08-24 | 2012-03-14 | 月岛机械株式会社 | Indirect heating type rotary drying machine |
| CN104279843A (en) * | 2013-07-04 | 2015-01-14 | 江苏瑞安特重型机械有限公司 | Barrel type drying machine |
| CN106091622A (en) * | 2016-07-28 | 2016-11-09 | 安吉宇康机械有限公司 | Waste heat callable bamboo silk drying system |
-
2009
- 2009-04-13 CN CN 200920020528 patent/CN201377966Y/en not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374757A (en) * | 2010-08-24 | 2012-03-14 | 月岛机械株式会社 | Indirect heating type rotary drying machine |
| CN102374757B (en) * | 2010-08-24 | 2015-05-20 | 月岛机械株式会社 | Indirect heating type rotary drying machine |
| CN104279843A (en) * | 2013-07-04 | 2015-01-14 | 江苏瑞安特重型机械有限公司 | Barrel type drying machine |
| CN106091622A (en) * | 2016-07-28 | 2016-11-09 | 安吉宇康机械有限公司 | Waste heat callable bamboo silk drying system |
| CN106091622B (en) * | 2016-07-28 | 2018-08-03 | 安吉宇康机械有限公司 | The recyclable bamboo silk drying system of waste heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG TIANLI DRYING CO., LTD. Free format text: FORMER NAME: TIANLI DRYING EQUIPMENT CO., LTD., SHANDONG |
|
| CP03 | Change of name, title or address |
Address after: 250101, Shandong Province, Ji'nan hi tech Zone, No. 554 Feng Feng Road, environmental science and Technology Park, building 8, Feng Feng building, room 230 Patentee after: Shandong Tianli Drying Co., Ltd. Address before: Three Cun Cai Shi Zhen Xi Cai Shi Licheng District 250103 Shandong city of Ji'nan province No. 403 Patentee before: Tianli Drying Equipment Co., Ltd., Shandong |
|
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20140902 Decision number of declaring invalidation: 23386 Granted publication date: 20100106 |