CN208651622U - A kind of packing unit sealed for rotating flue - Google Patents
A kind of packing unit sealed for rotating flue Download PDFInfo
- Publication number
- CN208651622U CN208651622U CN201821231987.8U CN201821231987U CN208651622U CN 208651622 U CN208651622 U CN 208651622U CN 201821231987 U CN201821231987 U CN 201821231987U CN 208651622 U CN208651622 U CN 208651622U
- Authority
- CN
- China
- Prior art keywords
- fume pipe
- rotation
- sealing
- nitrogen
- packing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a kind of for rotating the packing unit of flue sealing, belong to seal of rotary kiln field, enter gas section including fume pipe, rotate fume pipe, static end shield, sealing, it is characterized in that, the stationary end enclosure is located at outside rotation fume pipe, rotation flue gas tube end externally protrudes out in static end shield and enters gas section with fume pipe sealing to be connected in a manner of relative rotation, fume pipe enters gas section and communicates with rotation fume pipe, sealing includes two graphite packings, packing gland, pressure ring, grommet, spring compression bolt and the pedestal for being connected in static end shield end, packing gland is connected by spring compression bolt with pedestal, two graphite packings are set between packing gland and pedestal, pressure ring is provided between two graphite packings, the interconnected nitrogen-sealed chamber of stomatal limiting value is provided on pressure ring, connection on the outside of nitrogen-sealed chamber There is nitrogen inlet；It solves and is connected with the rotation fume pipe of hot fume due to sealing problem caused by the circular runout that generates when rotation.
Description
Technical field
The utility model relates to seal of rotary kiln fields, and in particular to a kind of for rotating the packing dress of flue sealing
It sets.
Background technique
In pyrolysis of coal, coal chemical industry, certain materials are because industrial requirements need to heat in rotary drying furnace, heating method
Usually there are several types of: directly heat mode first, the disadvantage is that exhausted air quantity greatly and processing difficulty increase, followed by external heating
Mode, the disadvantage is that heat loss is big, and built-in heating method is more scientific, and energy utilization rate is high, will specially be connected with hot fume
Pipeline be fixed in rotary kiln and rotated with rotary kiln, and flue gas enters pipe and flue gas outlet pipe then remain stationary state, but this
Kind mode is limited to the dynamic sealing technology of rotation flue, is unable to satisfy the dynamic for being connected with the rotation flue of hot fume
Seal request.
Summary of the invention
To solve the above-mentioned problems, the utility model, which provides one kind, can be realized the inner and outer boundary's three-phase of fume pipe, furnace chamber
The packing unit of sealing sealed for rotating flue, avoids material Volatile Gas from being able to solve and be connected with the pollution of flue gas
Sealing problem caused by the circular runout generated when the rotation fume pipe rotation of hot fume, can be in volatility or flue dust
It is widely applied in the rotary kiln industry of materiel machining, especially meets pyrolysis of coal, seal of rotary kiln is urgent in coal chemical industry
Demand.
The utility model is that technical solution used by solving its technical problem is: one kind is for rotating flue sealing
Packing unit, including fume pipe enter gas section, rotation fume pipe, static end shield, sealing, which is characterized in that the stationary end enclosure
It is located at outside rotation fume pipe, rotation flue gas tube end externally protrudes out in static end shield and enters gas Duan Yixiang by sealing and fume pipe
It is connected to the mode of rotation, fume pipe enters gas section and communicates with rotation fume pipe, and the sealing includes two graphite packings, packing
Gland, pressure ring, grommet, spring compression bolt and the pedestal for being connected in static end shield end, packing gland pass through spring compression spiral shell
Bolt is connected with pedestal, and two graphite packings are arranged between packing gland and pedestal, are provided with pressure ring, pressure ring between two graphite packings
On be provided with the interconnected nitrogen-sealed chamber of stomatal limiting value, nitrogen inlet, graphite packing, pressure are connected on the outside of nitrogen-sealed chamber
The inner end of ring close to rotation flue gas pipe outer wall, graphite packing, pressure ring outer end be in contact with pedestal, graphite packing, pedestal and rotation
Turn to be reserved with the gap no more than 4mm between flue gas pipe outer wall, be reserved between pressure ring and rotation flue gas pipe outer wall no more than 2mm
Gap, the fume pipe, which enters, is provided with grommet, the first graphite packing side and packing gland, grommet on the port inner wall of gas section
It is in contact, the gap no more than 4mm is reserved between grommet and rotation flue gas pipe outer wall.
Further, the opposite end of nitrogen inlet is provided with micro-pressure transmitter on the outside of the pressure ring.
Further, it is in micro-positive pressure that the nitrogen-sealed is intracavitary.
Further, it is connected with nitrogen tube at the nitrogen inlet, is provided with flowmeter in nitrogen tube.
The utility model has the beneficial effects that passing through the graphite packing of setting, pedestal, pressure ring, grommet and rotation fume pipe
Setting stomata is formed by interconnected nitrogen-sealed chamber in the reserved fit clearance of outer wall and pressure ring, and nitrogen-sealed is intracavitary
Micro-positive pressure is set and flows to nitrogen without having other low-pressure gases so that the nitrogen of only elevated pressures flows to other spaces
Outside air, heating flue gas, material Volatile Gas can be effectively mutually isolated by cavity to realize the effect of sealing, can
Solve to be connected with the rotation fume pipe of hot fume due to sealing problem caused by the circular runout that generates when rotating.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1. fume pipes enter gas section, 2. spring compression bolts, 3. nitrogen inlets, 4. rotation fume pipes, 5. materials sky
Between, 6. static end shields, 7. grommets, 8. packing glands, 9. graphite packings, 10. micro-pressure transmitter interfaces, 11. pressure rings, 12. nitrogen
Seal chamber, 13. pedestals, 14. stomatas.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As shown in Figure 1, the utility model discloses a kind of for rotating the packing unit of flue sealing, including flue gas
Pipe enters gas section 1, rotation fume pipe 4, static end shield 6, sealing, and static end shield 6 is set in outside rotation fume pipe 4, stationary end
Formation material space 5 between cover 6 and rotation fume pipe 4, rotation 4 end of fume pipe externally protrude out in static end shield 6 and pass through sealing
Enter gas section 1 with fume pipe to be connected in a manner of relative rotation, fume pipe enters gas section 1 and communicates with rotation fume pipe 4, interior circulation
Have a waste heat flue gas for carrying out heat exchange, the sealing include two graphite packings 9, packing gland 8, pressure ring 11, grommet 7,
Spring compression bolt 2 and the pedestal 13 for being connected in static 6 end of end shield, packing gland 8 pass through spring compression bolt 2 and pedestal 13
It is connected, two graphite packings 9 is set between packing gland 8 and pedestal 13, are provided with pressure ring 11, pressure ring between two graphite packings 9
Stomata 14 is provided on 11, each room is connected to form nitrogen-sealed chamber 12, nitrogen inlet 3 is connected on the outside of nitrogen-sealed chamber 12, directly
Diameter is 20mm, and sealing nitrogen enters nitrogen-sealed chamber 12 through nitrogen inlet 3 and is in micro-positive pressure, nitrogen in nitrogen-sealed chamber 12
It is connected with nitrogen tube at entrance 3, flowmeter is provided in nitrogen tube, the opposite end of 11 outside nitrogen inlet 3 of pressure ring becomes in minute-pressure
It send and is provided with micro-pressure transmitter at device interface 10, for measuring the pressure in nitrogen-sealed chamber 12, graphite packing 9, pressure ring 11
Inner end close to rotation 4 outer wall of fume pipe, graphite packing 9, pressure ring 11 outer end be in contact with pedestal 13, graphite packing 9, pedestal 13
It is reserved with the gap no more than 4mm between rotation 4 outer wall of fume pipe, is reserved between pressure ring 11 and rotation 4 outer wall of fume pipe
Gap no more than 2mm, pressure ring are limited in fixed position, and friction is not contacted with fume pipe, and the fume pipe enters the end of gas section 1
It is provided with grommet 7 on mouth inner wall, 9 side of the first graphite packing is in contact with packing gland 8, grommet 7, grommet 7 and rotation flue gas
The gap no more than 4mm is reserved between 4 outer wall of pipe；Nitrogen flow 3-5Nm is kept under operation conditions3/ h, nitrogen-sealed chamber 12
Interior pressure 750-850Pa.
Rotation fume pipe is fixed on kiln inner wall and rotary kiln rotates synchronously.When hot fume enters rotation fume pipe, lead to
It crosses this sealing device and realizes sealing, enter back into heat exchanging pipe and material reverse heat-exchange, furnace is finally drawn with same sealing device
Outside, heat transfer process is completed.
Under work condition state, fume pipe enters gas section 1 and static end shield 6 remains static, and rotation fume pipe 4 is in rotation
Turn state.The fit clearance reserved by graphite packing 9, pedestal 13, pressure ring 11, grommet 7 and rotation 4 outer wall of fume pipe, cooperation
Stomata 14 is set on pressure ring 11 and is formed by interconnected nitrogen-sealed chamber 12, micro-positive pressure is set in nitrogen-sealed chamber 12, by
In flue gas pressures, the volatilization gas pressure in material space 5 and the external world in nitrogen-sealed chamber 12 in pressure ratio rotation fume pipe 4
Atmospheric pressure is all big, therefore nitrogen can pass through subtle seal clearance and enter above three space, while in nitrogen-sealed chamber
Biggish pressure is kept in 12, fresh nitrogen can be evenly distributed to each position of nitrogen-sealed chamber 12, pressed herein by stomata 10
Under power, the nitrogen of only elevated pressures flows to other spaces, flows to nitrogen cavity without having other low-pressure gases, thus real
The effect of sealing is showed, effectively outside air, heating flue gas, material Volatile Gas can be mutually isolated, are able to solve and are connected with heat
Sealing problem caused by the circular runout that generates when the rotation fume pipe 4 of flue gas is due to rotation.
Claims (4)
1. a kind of packing unit sealed for rotating flue, including fume pipe enter gas section (1), rotate fume pipe (4), is quiet
Not-go-end cover (6), sealing, which is characterized in that static end shield (6) is set in rotation fume pipe (4) outside, rotates fume pipe (4)
End externally protrudes out in static end shield (6) and enters gas section (1) with fume pipe sealing to be connected in a manner of relative rotation, flue gas
Pipe enters gas section (1) and communicates with rotation fume pipe (4), and the sealing includes two graphite packings (9), packing gland (8), pressure ring
(11), grommet (7), spring compression bolt (2) and the pedestal (13) for being connected in static end shield (6) end, packing gland (8) pass through
Spring compression bolt (2) is connected with pedestal (13), is arranged two graphite packings (9) between packing gland (8) and pedestal (13), and two
It is provided between graphite packing (9) pressure ring (11), stomata (14) is provided on pressure ring (11) and form interconnected nitrogen-sealed
Chamber (12), nitrogen-sealed chamber (12) outside are connected with nitrogen inlet (3), the close rotation in inner end of graphite packing (9), pressure ring (11)
Fume pipe (4) outer wall, graphite packing (9), pressure ring (11) outer end be in contact with pedestal (13), graphite packing (9), pedestal (13)
The gap no more than 4mm is reserved between rotation fume pipe (4) outer wall, between pressure ring (11) and rotation fume pipe (4) outer wall
It is reserved with the gap no more than 2mm, the fume pipe, which enters, is provided with grommet (7), the first graphite plate on the port inner wall of gas section (1)
Root (9) side is in contact with packing gland (8), grommet (7), is reserved with less between grommet (7) and rotation fume pipe (4) outer wall
In the gap of 4mm.
2. according to claim 1 for rotating the packing unit of flue sealing, which is characterized in that the pressure ring
(11) opposite end of outside nitrogen inlet (3) is provided with micro-pressure transmitter (10).
3. according to claim 1 for rotating the packing unit of flue sealing, which is characterized in that the nitrogen is close
Sealing is in micro-positive pressure in chamber (12).
4. according to claim 1 for rotating the packing unit of flue sealing, which is characterized in that the nitrogen enters
It is connected with nitrogen tube at mouth (3), is provided with flowmeter in nitrogen tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821231987.8U CN208651622U (en) | 2018-08-01 | 2018-08-01 | A kind of packing unit sealed for rotating flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821231987.8U CN208651622U (en) | 2018-08-01 | 2018-08-01 | A kind of packing unit sealed for rotating flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651622U true CN208651622U (en) | 2019-03-26 |
Family
ID=65788152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821231987.8U Active CN208651622U (en) | 2018-08-01 | 2018-08-01 | A kind of packing unit sealed for rotating flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651622U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110564435A (en) * | 2019-09-26 | 2019-12-13 | 孙范哲 | A pyrolysis equipment for producing charcoal and by-product |
| CN111878836A (en) * | 2020-07-27 | 2020-11-03 | 厦门东江环保科技有限公司 | Hazardous waste incineration disposal system |
| CN114909477A (en) * | 2022-05-27 | 2022-08-16 | 浙江物产环保能源股份有限公司 | High-temperature self-sealing system for pyrolysis of waste tires |
-
2018
- 2018-08-01 CN CN201821231987.8U patent/CN208651622U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110564435A (en) * | 2019-09-26 | 2019-12-13 | 孙范哲 | A pyrolysis equipment for producing charcoal and by-product |
| CN111878836A (en) * | 2020-07-27 | 2020-11-03 | 厦门东江环保科技有限公司 | Hazardous waste incineration disposal system |
| CN114909477A (en) * | 2022-05-27 | 2022-08-16 | 浙江物产环保能源股份有限公司 | High-temperature self-sealing system for pyrolysis of waste tires |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208651622U (en) | A kind of packing unit sealed for rotating flue | |
| CN105090518B (en) | Bellows-type dry gas sealing device and encapsulating method | |
| CN104728448B (en) | Sealing mechanism preventing gas exchange | |
| CN203669938U (en) | Tilting labyrinth vapor seal steam turbine | |
| CN207688631U (en) | A kind of rotary furnace sealing device | |
| CN106224282A (en) | A kind of blower fan processed for super high temperature flue gas | |
| CN205977817U (en) | A seal cooling structure for ultra -temperature fan | |
| CN105526797A (en) | Rotary kiln sealing device | |
| CN106224294A (en) | Sealing cooling structure for superhigh temperature blower fan | |
| CN207584791U (en) | A kind of energy-saving boiler steam sootblower leaks out grey sealing device | |
| CN106282586A (en) | Electrical heating rotary kiln is utilized to process the device and method of blast furnace dedusting ash | |
| CN214665954U (en) | Rotary furnace structure with fixed external heat insulation layer and dynamic sealing device | |
| CN207122616U (en) | The compression ring liquid packing device of Regenerative Combustion System rotating type change valve | |
| CN107355565A (en) | The ring plate sealing device of Regenerative Combustion System rotating type change valve | |
| CN210320938U (en) | Tunnel type circulation drying room | |
| CN208536587U (en) | A kind of Anti-air-leakage rotary kiln sealing system | |
| CN207145670U (en) | The ring plate sealing device of Regenerative Combustion System rotating type change valve | |
| CN208205054U (en) | A kind of sealing smoke guide device of boiler induced-draft fan | |
| CN207316298U (en) | The special joint of rotary air heater | |
| CN213300074U (en) | Boiler combustion system using exhaust gas flow gas | |
| CN205977784U (en) | A fan for ultra -temperature flue gas is handled | |
| CN207066695U (en) | The compression ring package seal checker of Regenerative Combustion System rotating type change valve | |
| CN206495815U (en) | A kind of centrifugal fan axle sealing structure | |
| CN202082946U (en) | Sealing recovery complete device of rotary type air preheater | |
| CN205400820U (en) | Combination formula vapor seal for steam turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |