CN203703139U - Sealing structure for rotary furnace - Google Patents
Sealing structure for rotary furnace Download PDFInfo
- Publication number
- CN203703139U CN203703139U CN201420100091.1U CN201420100091U CN203703139U CN 203703139 U CN203703139 U CN 203703139U CN 201420100091 U CN201420100091 U CN 201420100091U CN 203703139 U CN203703139 U CN 203703139U
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- seal ring
- ring
- packing
- sealing ring
- sealing
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- Expired - Lifetime
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- Sealing Devices (AREA)
Abstract
The utility model discloses a sealing structure for a rotary furnace which is used for operation such as material drying and reaction. The sealing structure for the rotary furnace comprises a dynamic sealing ring and a static sealing ring; the dynamic sealing ring is fixed on a dynamic ring base through a bolt; the dynamic ring base is welded to an end cover of a rotary furnace body; the static sealing ring which is fixed on a static ring base through a bolt is compressed through an air cylinder; a sealing ring is welded to the static sealing ring; a graphite filling chamber and a packing groove are formed in the sealing ring; the graphite filling chamber is arranged on the peripheral external portion of the static sealing ring; the packing groove is arranged on the peripheral exterior of the dynamic sealing ring; a groove is formed in a sealing surface on the upper half portion of the static sealing ring. The sealing structure for the rotary furnace has the advantages of avoiding sealing failure caused by lubricating oil coking and carbonization under the high temperature condition due to the fact that graphite powder is served as lubricant for the dynamic sealing ring and the static sealing ring, saving utilization costs, purifying operating environment, achieving double seal which comprises end surface seal and packing seal and providing a good sealing effect when the rotary furnace body performs circumference run-out.
Description
Technical field
The utility model relates to a kind of seal arrangement for rotary furnace.
Background technique
Rotary furnace is a kind of equipment for the operation such as dry materials, reaction, is widely used in the industries such as chemical industry, metallurgy, building materials, food.At some production field, rotary furnace reaction in furnace need to completely cut off air completely or prevent harmful gas leakage, and therefore, some rotary furnace is high to seal request, even allows trace to reveal.Rotary furnace is in the time of operation, body of heater is in rotation status, and be actionless for burner or the stove tail of charging or discharging, on rotary furnace, just there is like this sealing problem between sound, because the diameter of rotary furnace is larger, conventionally can reach 2 to 5 meters, therefore the static and dynamic sealing between body of heater and burner or stove tail cannot use conventional mechanical seal or packing seal.
At present, the sealing being used on rotary furnace mainly contains labyrinth sealing, flap sealing, the sealing of soft packing shading type, use in recent years in addition more end face seal etc., all there is certain defect in these seal form, for example labyrinth sealing and flap sealing effect are poor, cannot eliminate trace and reveal; End face seal, adopt dynamic and static two seal rings, and charging-up lubricant oil seals between static and dynamic sealing ring, but when higher for some reaction in furnace temperature, the easy coking carbonization of lubricant oil causes seal failure, in the time that rotary furnace size is larger, sealing effect is unsatisfactory simultaneously, and leak case occurs often.
Summary of the invention
The defect that the seal arrangement of known rotary furnace is easily revealed in order to overcome, the easy coking carbonization of lubricant oil causes seal failure, the utility model provides a kind of sealing configuration of rotary furnace, the sealing configuration of this rotary furnace can not leak, non lubricant oil coking carbonization, good sealing effect.
The technical solution adopted in the utility model is: the sealing configuration of this rotary furnace comprises rotary packing ring and stationary seal ring, and rotary packing ring is fixed on rotating seat by screw, and rotating seat is welded on rotary furnace body of heater end cap; Stationary seal ring is fixed on stationary seat and by cylinder-pressing by screw, under cylinder pressure effect, rotary packing ring and stationary seal ring is fitted all the time, forms end face seal structure.
On stationary seal ring, weld a seal ring, the whole circle moulding of the preferential employing of seal ring is manufactured, seal ring is provided with graphite-filled chamber and packing groove, graphite-filled chamber is positioned at the circumference outside of stationary seal ring, packing groove is positioned at the circumference outside of rotary packing ring, on the sealing surface of stationary seal ring upper half part, have groove, groove and graphite-filled chamber UNICOM.
When operation, in graphite-filled chamber, be full of plumbago, and on the sealing surface of stationary seal ring upper half part, have several grooves, and with graphite-filled chamber UNICOM, therefore in the time that rotary furnace moves, plumbago in graphite-filled chamber constantly enters dynamic and static seal ring seal face by the groove of stationary seal ring sealing surface, between dynamic and static sealing surface, plays lubrication.
Be welded with plumbago material feeding mouth on seal ring top, plumbago material feeding mouth is connected with plumbago storage, guarantees that the plumbago in graphite-filled chamber uninterruptedly adds; At sealing ring lower potion, a plumbago discharge port is also set, the plumbago when overhauling is discharged; In seal ring both sides, several inspection sockets are also set, fill situation for the plumbago in the graphite-filled chamber of regular check; In addition, on graphite-filled chamber, be also provided with nitrogen inlet, the urgent nitrogen filled protection when revealing.
In the packing groove of seal ring, stuffing box packing is installed, and on the packing groove of seal ring, along the circumferential direction weld several gussets, gland is bolted on gusset, press seal filler, hold-down bolt and spring are set simultaneously on the packing groove of seal ring, hold-down bolt and spring and gusset are staggeredly arranged, at hold-down bolt and spring under effect, stuffing box packing fits tightly with the circumferential outer surface of the rotary packing ring rotating all the time, realize second sealing, prevent the leakage of plumbago and gas, spring also has adjusting moving in addition, static seal face is in operation process, the circular runout causing because malalignment is excessive.
Advantage of the present utility model:
(1) this novel sealing structure adopts the oiling agent of plumbago as dynamic and static seal ring, has avoided in higher temperature situation, and lubricant oil coking carbonization causes the situation of seal failure to occur, and the user cost of simultaneously having saved oiling agent, has purified operating environment;
(2) unique seal ring design, except having improved the sealing effect of dynamic and static seal ring, has also realized the double seal of the filled sealing of end face seal, has further improved the reliability of sealing;
(3) this novel sealing structure design, can guarantee in the time that rotary furnace cylindrical shell occurs that circumference is beated, and good sealing effect still can be provided.
Accompanying drawing explanation
Fig. 1 is an embodiment's of the present utility model schematic diagram of installing and using.
Fig. 2 is an embodiment's of the present utility model structural representation.
Fig. 3 is the stationary seal ring sectional view in Fig. 2.
In figure: 1, end cap, 2, rotating seat, 3, rotary packing ring, 4, stationary seal ring, 5, stationary seat, 6, cylinder, 7, bellows, 8, enter (going out) material pipe or air pipe, 9, stuffing box packing, 10, spring, 11, gland, 12, hold-down bolt, 13, gusset, 14, plumbago material feeding mouth, 15, seal ring, 16, inspection socket, 17, nitrogen inlet, 18, plumbago discharge port.
Embodiment
As shown in Figure 1, rotary packing ring 3 is fixed on rotating seat 2 by screw, and rotating seat 2 is welded on rotary furnace body of heater end cap 1; Stationary seal ring 4 is fixed on stationary seat 5 by screw, stationary seat 5 is enclosed within on (going out) material pipe or air pipe 8, because bellows 7 has stretchability, stationary seat 5 can enter transverse shifting on (going out) material pipe or air pipe 8, and compressed by cylinder 6, under cylinder 6 pressure-actings, rotary packing ring 3 and stationary seal ring 4 are fitted all the time, form end face seal structure.
As shown in Figure 2,3, on stationary seal ring 4, weld a seal ring 15, the whole circle moulding of the preferential employing of seal ring 15 is manufactured, seal ring 15 is structurally mainly divided into graphite-filled chamber and packing groove two-part, graphite-filled chamber is positioned at the circumference outside of stationary seal ring 4, and packing groove is positioned at the circumference outside of rotary packing ring 3.
When operation, in graphite-filled chamber, be full of plumbago, and on the sealing surface of stationary seal ring 4 upper half part, also have several grooves, and with graphite-filled chamber UNICOM, therefore in the time that rotary furnace moves, plumbago in graphite-filled chamber constantly enters dynamic and static sealing surface by the groove of stationary seal ring 4 sealing surfaces, and plays lubrication between dynamic and static sealing surface.
Weld multiple plumbago material feeding mouths 14 on seal ring 15 tops, and be connected with plumbago storage, guarantee that the plumbago in graphite-filled chamber uninterruptedly adds; In seal ring 15 bottoms, a plumbago discharge port 18 is also set, the plumbago when overhauling is discharged; In seal ring 15 both sides, several inspection sockets 16 are also set, fill situation for the plumbago in the graphite-filled chamber of regular check; In addition, on graphite-filled chamber, be also provided with nitrogen inlet 17, the urgent nitrogen filled protection when revealing.
Stuffing box packing 9 is installed in the packing groove of seal ring 15, and on the packing groove of seal ring 15, along the circumferential direction weld several gussets 13, gland 11 is bolted on gusset 13, press seal filler 9, hold-down bolt 12 and spring 10 are set simultaneously on the packing groove of seal ring 15, hold-down bolt 12 and spring 10 are staggeredly arranged with gusset 13, at hold-down bolt 12 and spring 10 under effect, stuffing box packing 9 fits tightly with the circumferential outer surface of the rotary packing ring 3 rotating all the time, realize second sealing, prevent the leakage of plumbago and gas, spring 10 also has adjusting moving in addition, static seal face is in operation process, the circular runout causing because malalignment is excessive.
Claims (2)
1. a sealing configuration for rotary furnace, the sealing configuration of this rotary furnace comprises stationary seal ring and rotary packing ring, it is characterized in that: rotary packing ring is fixed on rotating seat by screw, rotating seat is welded on rotary furnace body of heater end cap, stationary seal ring is fixed on stationary seat and by cylinder-pressing by screw, rotary packing ring and stationary seal ring are fitted all the time, on stationary seal ring, be welded with seal ring, seal ring is provided with graphite-filled chamber and packing groove, graphite-filled chamber is positioned at the circumference outside of stationary seal ring, and packing groove is positioned at the circumference outside of rotary packing ring, on the sealing surface of stationary seal ring upper half part, have groove, groove and graphite-filled chamber UNICOM, in graphite-filled chamber, be full of plumbago, be welded with plumbago material feeding mouth on seal ring top, plumbago material feeding mouth is connected with plumbago storage, also be provided with plumbago discharge port at sealing ring lower potion, also be provided with inspection socket in seal ring both sides, on graphite-filled chamber, be also provided with nitrogen inlet, in the packing groove of seal ring, stuffing box packing is installed, on the packing groove of seal ring, be along the circumferential direction welded with gusset, gland is bolted on press seal filler on gusset, on the packing groove of seal ring, be provided with hold-down bolt and spring, hold-down bolt and spring and gusset are staggeredly arranged, stuffing box packing fits tightly with the circumferential outer surface of the rotary packing ring rotating all the time.
2. the sealing configuration of rotary furnace according to claim 1, is characterized in that: on graphite-filled chamber, be also provided with nitrogen inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100091.1U CN203703139U (en) | 2014-03-06 | 2014-03-06 | Sealing structure for rotary furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100091.1U CN203703139U (en) | 2014-03-06 | 2014-03-06 | Sealing structure for rotary furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703139U true CN203703139U (en) | 2014-07-09 |
Family
ID=51053584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420100091.1U Expired - Lifetime CN203703139U (en) | 2014-03-06 | 2014-03-06 | Sealing structure for rotary furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703139U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154118A (en) * | 2015-08-13 | 2015-12-16 | 山东立人能源科技有限公司 | Rotary indirect heating type low-rank coal modification and quality improvement equipment |
| CN105783504A (en) * | 2014-10-15 | 2016-07-20 | Posco公司 | Rotary kiln |
| CN109592644A (en) * | 2019-01-08 | 2019-04-09 | 湖南有色郴州氟化学有限公司 | Reacting furnace burner end face seal structure and reacting furnace for Acid of Hydrofluoric Acid Production technique |
| CN117824351A (en) * | 2024-03-04 | 2024-04-05 | 佛山市天禄智能装备科技有限公司 | Pre-carbonization rotary kiln sealing system |
-
2014
- 2014-03-06 CN CN201420100091.1U patent/CN203703139U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783504A (en) * | 2014-10-15 | 2016-07-20 | Posco公司 | Rotary kiln |
| CN105783504B (en) * | 2014-10-15 | 2018-11-13 | Posco公司 | converter |
| CN105154118A (en) * | 2015-08-13 | 2015-12-16 | 山东立人能源科技有限公司 | Rotary indirect heating type low-rank coal modification and quality improvement equipment |
| CN109592644A (en) * | 2019-01-08 | 2019-04-09 | 湖南有色郴州氟化学有限公司 | Reacting furnace burner end face seal structure and reacting furnace for Acid of Hydrofluoric Acid Production technique |
| CN109592644B (en) * | 2019-01-08 | 2024-03-01 | 湖南有色郴州氟化学有限公司 | Reaction furnace end face sealing structure for hydrofluoric acid production process and reaction furnace |
| CN117824351A (en) * | 2024-03-04 | 2024-04-05 | 佛山市天禄智能装备科技有限公司 | Pre-carbonization rotary kiln sealing system |
| CN117824351B (en) * | 2024-03-04 | 2024-05-03 | 佛山市天禄智能装备科技有限公司 | Pre-carbonization rotary kiln sealing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
|
| CX01 | Expiry of patent term |