CN104565656A - Anti-crystallization container type corrugated pipe sealing device - Google Patents
Anti-crystallization container type corrugated pipe sealing device Download PDFInfo
- Publication number
- CN104565656A CN104565656A CN201410789385.4A CN201410789385A CN104565656A CN 104565656 A CN104565656 A CN 104565656A CN 201410789385 A CN201410789385 A CN 201410789385A CN 104565656 A CN104565656 A CN 104565656A
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- Prior art keywords
- ring
- bellows
- seal
- sealing
- crystallization
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention relates to an anti-crystallization container type corrugated pipe sealing device. The device comprises a sealing cavity, a main sealing component, a compensation component, an auxiliary sealing component and a positioning component. The anti-crystallization container type corrugated pipe sealing device provided by the invention is good in sealing property, long in service life and low in maintenance cost.
Description
Technical field
The invention belongs to mechanical field, relate to a kind of mechanical seal device, particularly relate to a kind of crystallization-preventive packaging type bellows seal device, it is mainly used in working medium has in the reactor of Crystallization Characteristics.
Background technique
At present, the rotation axis seal both at home and abroad for reactor mainly contains two kinds, and the first type is the packing seal adopting elastic and plastic properties material-pluging leakage way, it is characterized in that utilizing the compressive strain of filler to fill gap reaches sealing; The second type is spring type mechanical sealing, it is characterized in that utilizing spring to impel stationary ring and rotating ring to fit tightly as elastic element realizes sealing.
The first packing seal has the features such as structure is simple, with low cost, but its friction power loss is large, and compensation ability is poor, and be easily subject to the impact of beat or vibration, sealing life is shorter.
The second spring type mechanical sealing, mostly adopts stationary ring as compensating element, sealing reliability and adaptability better, but in the large-size reactor that axial float is larger, during using rotating ring as compensating element, sealability and working life will decline to a great extent.
Summary of the invention
In order to solve technical problem existing in background technique, the present invention proposes a kind of crystallization-preventive packaging type bellows seal device, effectively solving existing seal arrangement sealing low, the technical problem that sealing life is shorter.
Technological scheme of the present invention is: a kind of crystallization-preventive packaging type bellows seal device, and its special way is: comprise seal chamber, main sealing assembly, compensation assembly, auxiliary seal assembly, positioning component;
Above-mentioned seal chamber comprises the lower flange, support ring and the upper flange that connect successively from lower to upper vertically;
Above-mentioned compensation assembly comprises and being enclosed within axle and the rotating ring, rotating seat, bellows, the corrugated header that connect successively from lower to upper;
Above-mentioned rotating ring is arranged between rotating seat and axle; One end of above-mentioned rotating seat and bellows is tightly connected, and the other end and the corrugated header of above-mentioned bellows are tightly connected; Anti-rotation nail is provided with between above-mentioned rotating ring and rotating seat;
Above-mentioned main sealing assembly comprises sealed chassis, stationary seal ring; Above-mentioned stationary seal ring is arranged in the annular space of sealed chassis, lower flange, rotating ring and axle formation;
Above-mentioned auxiliary seal assembly comprises Sealing; Above-mentioned Sealing is arranged between corrugated header and upper flange;
Above-mentioned bellows is positioned at support ring;
Above-mentioned lower flange and sealed chassis are connected; Above-mentioned upper flange and corrugated header are connected;
Above-mentioned positioning component is for being fixed on position when axle is pre-installed by corrugated header;
Above-mentioned positioning component comprises positioning block, point semi-ring; Described point of semi-ring and axle are held tightly; Upper flange upper side is fixed in described positioning block one end, and its other end stretches in the annular slot of corrugated header excircle side;
The Sealing of above-mentioned auxiliary seal assembly is lip seal and oil sealing baffle plate; Described oil sealing baffle plate is arranged between upper flange upper side and positioning block;
Above-mentioned flushing device comprises thermal medium source, the inipple be arranged on support ring sidewall, and one end of described inipple communicates with thermal medium source, and the other end communicates with the cavity between support ring and bellows;
Above-mentioned flushing device comprises thermal medium source, two inipples be arranged on support ring sidewall, and one end of described two inipples communicates with thermal medium source, and the other end communicates with the cavity between support ring and bellows;
Above-mentioned rotating seat, corrugated header and bellows-welding form one;
The material of above-mentioned point of half snap ring is stainless steel; Above-mentioned bellows thickness is the bimetallic tube of the 0.2mm thickness that S30408 steel plate manufactures, and rigidity is 100N/mm; Above-mentioned lip-type packing adopts fluorine rubber material or food grade silicone material; Above-mentioned moving sealing ring and the material of stationary seal ring are pressureless sintering carbofrax material.
Advantage of the present invention is:
1. adopt unit loading type structure, all spare parts are become one, simplifies assemble flow, improve sealing installation quality, reduce maintenance cost;
2. adopt high-performance silicon carbide as to pair of rubbing, friction factor is low, good seal performance, extends sealing working life;
3. adopt bellows as compensating element, improve the Stability and adaptability of sealing;
4. adopt outer flushing mechanism, the circulation flushing of external heat source medium can prevent medium crystallization;
5. the lip seal arranged in seal chamber can prevent dust, impurity etc. from entering Seal cage contaminated material, improves sealability and working life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is seal chamber structural representation;
Fig. 3 is bellows component structural representation;
Fig. 4 is the K direction view of Fig. 1;
Wherein: 1-sealed chassis; 2-stationary seal ring; 3-seal chamber; 4-compensation assembly; 5-lip seal; 6-positioning block; 7,9,12,15-screw; 8-point semi-ring; 10-packing ring; 11-adjusting screw; 13-oil sealing baffle plate; 14,16,17-O-ring seals; 3-1-lower flange; 3-2-upper flange; 3-3-support ring; 3-4-inipple; 4-1-rotating ring; 4-2-rotating seat; 4-3-anti-rotation nail; 4-4-bellows; 4-5-corrugated header; 4-6,4-7-O shape circle.
Embodiment
See Fig. 1-4, the present invention is a kind of crystallization-preventive packaging type bellows seal device, comprises seal chamber 3, main sealing assembly, compensation assembly, auxiliary seal assembly, positioning component; Seal chamber 3 comprises the lower flange 3-1, support ring 3-3 and the upper flange 3-2 that connect successively from lower to upper vertically; Compensation assembly 4 comprises and being enclosed within axle and the rotating ring 4-1 connected successively from lower to upper, rotating seat 4-2, bellows 4-4, corrugated header 4-5; Rotating ring 4-1 is arranged between rotating seat 4-2 and axle; One end of rotating seat 4-2 and bellows 4-4 is tightly connected, and the other end and the corrugated header 4-5 of bellows 4-4 are tightly connected; Anti-rotation nail 4-3 is provided with between rotating ring 4-1 and rotating seat 4-2; Main sealing assembly comprises sealed chassis 1, stationary seal ring 2; Stationary seal ring 2 is arranged in the annular space of sealed chassis 1, lower flange 3-1, rotating ring 4-1 and axle formation; Auxiliary seal assembly comprises Sealing; Sealing is arranged between corrugated header 4-5 and upper flange 3-2; Bellows 4-5 is positioned at support ring; Lower flange 3-1 and sealed chassis 1 are connected; Upper flange 3-2 and corrugated header 4-5 is connected; Positioning component is for being fixed on position when axle is pre-installed by corrugated header 4-5; Positioning component comprises positioning block 6, point semi-ring 8; Semi-ring 8 and axle is divided to hold tightly; Upper flange 3-2 upper side is fixed in positioning block 6 one end, and its other end stretches in the annular slot of corrugated header 4-5 excircle side; The Sealing of auxiliary seal assembly is lip seal 5; In the space that lip seal 5 is arranged on support ring 3-3, upper flange 3-2, positioning block 6 forms; The Sealing of auxiliary seal assembly is lip seal 5 and oil sealing baffle plate 13; Oil sealing baffle plate 13 is arranged between upper flange 3-2 upper side and positioning block 6; Flushing device comprises thermal medium source, the inipple 3-4 be arranged on support ring 3-3 sidewall, and one end of inipple 3-4 communicates with thermal medium source, and the other end communicates with the cavity between support ring 3-3 and bellows 4-4; Flushing device comprises thermal medium source, two the inipple 3-4 be arranged on support ring 3-3 sidewall, and one end of two inipple 3-4 communicates with thermal medium source, and the other end communicates with the cavity between support ring 3-3 and bellows 4-4; Rotating seat, corrugated header and bellows-welding form one; The material of dividing semi-ring 8 is stainless steel; Bellows 4-4 thickness is the bimetallic tube of the 0.2mm thickness that S30408 steel plate manufactures, and rigidity is 100N/mm; Lip seal 5 adopts fluorine rubber material or food grade silicone material; Above-mentioned moving sealing ring 1 is pressureless sintering carbofrax material with the material of stationary seal ring 2.
As shown in Figure 1, invent and enclose 14 by sealed chassis 1, stationary seal ring 2, seal chamber 3, bellows component 4, lip seal 5, positioning block 6, screw 7, screw 9, screw 12, point half snap ring 8, packing ring 10, adjusting screw 11, oil sealing baffle plate 13, O shape, 16,17, screw 15 forms, positioning block 6 is installed in the restraining groove of bellows component rear end, forms the initial position (pre-installed position) of seal arrangement.
Reactor medium is leaked by Inside To Outside, and sealed chassis 1, stationary seal ring 2, O-ring seals 16 are installed on inside reactor, and sealed chassis 1 and seal chamber 3 are connected as a single entity by screw 15, and seal chamber 3 is installed on reactor.Seal chamber is provided with 2 place's inipples, is connected with external flushing device, one is flushing entrance, and one, for rinsing outlet, forms peripheral passage.Lip seal 5 is installed on the cylindrical position bottom bellows component, is fixed by oil sealing baffle plate 13, screw 12.
Before installation, axle, sealed interface position must be cleaned up, prevent impurity from entering sealing installation position.During installation, whole integrated mechanical sealing (not containing point half snap ring) is loaded on reactor according to pre-installed position, by the through hole of 12 on seal chamber, loads bolt, adopt diagonal intersection tightening way, the whole series sealing is connected with kettle and tightens.
Product is mounted to after on reactor, need regulate working position, and half snap ring 8 will be divided to shift onto on axle, and after guaranteeing that point half snap ring 8 is fitted with bellows component 4, mounting screw 9 and packing ring 10 are also tightened, and half snap ring will be divided to lock onto on axle.Adjusting screw 11 is installed, makes it contact with bellows component, be selected into the gap that the degree of depth can adjust point half snap ring and bellows component, i.e. the decrement of adjustable bellows by adjustment screw.Positioning block 6 can take off after regulating by adjusting screw.Water filling actuating motor can check after installing, after determining that seal operation is normal, after being connected by flushing line, namely complete Installation and Debugging.
Method: described rotating ring adopts hot pressing mode to load rotating seat, needs rotating seat to be heated to 250 DEG C before installation, after keeping 20min, rotating ring is pressed into rotating seat.
Described flushing mechanism adopts outer flushing scheme, provides hot water or hot steam (temperature is higher than 30 DEG C), carry out circulation flushing, prevent glucose crystallization by outer welding system.
For rotary seal bellows, need to adopt multiply bellows, make its rigidity, bearing capacity meets usage requirement.Divide half snap ring as axle head limit element, the working depth of adjustable product.Special seal circle need be adopted for special material.
Claims (7)
1. a crystallization-preventive packaging type bellows seal device, is characterized in that: comprise seal chamber, main sealing assembly, compensation assembly, auxiliary seal assembly, positioning component;
Described seal chamber comprises the lower flange, support ring and the upper flange that connect successively from lower to upper vertically;
Described compensation assembly comprises and being enclosed within axle and the rotating ring, rotating seat, bellows, the corrugated header that connect successively from lower to upper;
Described rotating ring is arranged between rotating seat and axle; One end of described rotating seat and bellows is tightly connected, and the other end and the corrugated header of described bellows are tightly connected; Anti-rotation nail is provided with between described rotating ring and rotating seat;
Described main sealing assembly comprises sealed chassis, stationary seal ring; Described stationary seal ring is arranged in the annular space of sealed chassis, lower flange, rotating ring and axle formation;
Described auxiliary seal assembly comprises Sealing; Described Sealing is arranged between corrugated header and upper flange;
Described bellows is positioned at support ring;
Described lower flange and sealed chassis are connected; Described upper flange and corrugated header are connected;
Described positioning component is for being fixed on position when axle is pre-installed by corrugated header.
2. crystallization-preventive packaging type bellows seal device according to claim 1, is characterized in that: described positioning component comprises positioning block, point semi-ring; Described point of semi-ring and axle are held tightly; Upper flange upper side is fixed in described positioning block one end, and its other end stretches in the annular slot of corrugated header excircle side.
3. crystallization-preventive packaging type bellows seal device according to claim 1 and 2, is characterized in that: the Sealing of described auxiliary seal assembly is lip seal and oil sealing baffle plate; Described oil sealing baffle plate is arranged between upper flange upper side and positioning block.
4. crystallization-preventive packaging type bellows seal device according to claim 3, is characterized in that: also comprise flushing device; Described flushing device comprises thermal medium source, the inipple be arranged on support ring sidewall, and one end of described inipple communicates with thermal medium source, and the other end communicates with the cavity between support ring and bellows.
5. crystallization-preventive packaging type bellows seal device according to claim 3, is characterized in that: also comprise flushing device; Described flushing device comprises thermal medium source, two inipples be arranged on support ring sidewall, and one end of described two inipples communicates with thermal medium source, and the other end communicates with the cavity between support ring and bellows.
6. crystallization-preventive packaging type bellows seal device according to claim 3, is characterized in that: described rotating seat, corrugated header and bellows-welding form one.
7. crystallization-preventive packaging type bellows seal device according to claim 6, is characterized in that: the material of described point of half snap ring is stainless steel; Described bellows thickness is the bimetallic tube of the 0.2mm thickness that S30408 steel plate manufactures, and rigidity is 100N/mm; Described lip-type packing adopts fluorine rubber material or food grade silicone material; Described moving sealing ring and the material of stationary seal ring are pressureless sintering carbofrax material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410789385.4A CN104565656A (en) | 2014-12-17 | 2014-12-17 | Anti-crystallization container type corrugated pipe sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410789385.4A CN104565656A (en) | 2014-12-17 | 2014-12-17 | Anti-crystallization container type corrugated pipe sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104565656A true CN104565656A (en) | 2015-04-29 |
Family
ID=53082386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410789385.4A Pending CN104565656A (en) | 2014-12-17 | 2014-12-17 | Anti-crystallization container type corrugated pipe sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104565656A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131484A (en) * | 2017-12-28 | 2018-06-08 | 安徽伙伴电气有限公司 | A kind of ceramic valve with lateral seal pipe bindiny mechanism |
| CN114053953A (en) * | 2021-11-29 | 2022-02-18 | 青岛伊克斯达智能装备有限公司 | External rotation type waste rubber-plastic thermal cracking equipment |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3776560A (en) * | 1971-03-04 | 1973-12-04 | Borg Warner | Bellows type fluid seal |
| US5692756A (en) * | 1995-09-22 | 1997-12-02 | Rexnord Corporation | Refrigeration compressor and compressor seal |
| CN101074733A (en) * | 2006-05-16 | 2007-11-21 | 泰州康乔机电设备有限公司 | Pallet high-temperature-resisting corrugated pipe mechanical seal |
| CN202082403U (en) * | 2011-06-02 | 2011-12-21 | 温州市天成密封件制造有限公司 | Reinforced mechanical sealing device of welded metal bellows |
| CN202451840U (en) * | 2012-03-13 | 2012-09-26 | 成都建中香料香精有限公司 | Mechanical seal device for kettle |
| CN202531845U (en) * | 2012-04-26 | 2012-11-14 | 成都赛乐化新机电有限公司 | Bellows type mechanical seal for large-shaft-diameter vacuum kettle |
| CN202901296U (en) * | 2012-10-19 | 2013-04-24 | 江苏隆达机械设备有限公司 | Bellow type dry type gas mechanical sealing structure and stirring device using same |
| CN202914750U (en) * | 2012-11-27 | 2013-05-01 | 宁波东联密封件有限公司 | Sealing element |
| CN203131029U (en) * | 2012-12-18 | 2013-08-14 | 浙江兰天机械密封件有限公司 | Cooling type mechanical sealing device for fluoroplastic pump |
| CN203335867U (en) * | 2013-06-05 | 2013-12-11 | 宁波安铱矢密封有限公司 | Anti-blocking back-to-back containerization type mechanical sealing device |
| CN205078976U (en) * | 2014-12-17 | 2016-03-09 | 中国航天科技集团公司第六研究院第十一研究所 | Anti -crystallization container type corrugated pipe sealing device |
-
2014
- 2014-12-17 CN CN201410789385.4A patent/CN104565656A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3776560A (en) * | 1971-03-04 | 1973-12-04 | Borg Warner | Bellows type fluid seal |
| US5692756A (en) * | 1995-09-22 | 1997-12-02 | Rexnord Corporation | Refrigeration compressor and compressor seal |
| CN101074733A (en) * | 2006-05-16 | 2007-11-21 | 泰州康乔机电设备有限公司 | Pallet high-temperature-resisting corrugated pipe mechanical seal |
| CN202082403U (en) * | 2011-06-02 | 2011-12-21 | 温州市天成密封件制造有限公司 | Reinforced mechanical sealing device of welded metal bellows |
| CN202451840U (en) * | 2012-03-13 | 2012-09-26 | 成都建中香料香精有限公司 | Mechanical seal device for kettle |
| CN202531845U (en) * | 2012-04-26 | 2012-11-14 | 成都赛乐化新机电有限公司 | Bellows type mechanical seal for large-shaft-diameter vacuum kettle |
| CN202901296U (en) * | 2012-10-19 | 2013-04-24 | 江苏隆达机械设备有限公司 | Bellow type dry type gas mechanical sealing structure and stirring device using same |
| CN202914750U (en) * | 2012-11-27 | 2013-05-01 | 宁波东联密封件有限公司 | Sealing element |
| CN203131029U (en) * | 2012-12-18 | 2013-08-14 | 浙江兰天机械密封件有限公司 | Cooling type mechanical sealing device for fluoroplastic pump |
| CN203335867U (en) * | 2013-06-05 | 2013-12-11 | 宁波安铱矢密封有限公司 | Anti-blocking back-to-back containerization type mechanical sealing device |
| CN205078976U (en) * | 2014-12-17 | 2016-03-09 | 中国航天科技集团公司第六研究院第十一研究所 | Anti -crystallization container type corrugated pipe sealing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131484A (en) * | 2017-12-28 | 2018-06-08 | 安徽伙伴电气有限公司 | A kind of ceramic valve with lateral seal pipe bindiny mechanism |
| CN114053953A (en) * | 2021-11-29 | 2022-02-18 | 青岛伊克斯达智能装备有限公司 | External rotation type waste rubber-plastic thermal cracking equipment |
| CN114053953B (en) * | 2021-11-29 | 2023-08-08 | 青岛伊克斯达智能装备有限公司 | External rotation type waste rubber and plastic thermal cracking equipment |
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Application publication date: 20150429 |