CN108087575B - Efficient sealing device of ring rotary valve - Google Patents
Efficient sealing device of ring rotary valve Download PDFInfo
- Publication number
- CN108087575B CN108087575B CN201711479659.XA CN201711479659A CN108087575B CN 108087575 B CN108087575 B CN 108087575B CN 201711479659 A CN201711479659 A CN 201711479659A CN 108087575 B CN108087575 B CN 108087575B
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- Prior art keywords
- sealing
- ring
- annular
- air inlet
- seat
- Prior art date
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- 238000007789 sealing Methods 0.000 title claims abstract description 179
- 238000010926 purge Methods 0.000 claims abstract description 50
- 230000001360 synchronised effect Effects 0.000 claims abstract description 25
- 230000002000 scavenging effect Effects 0.000 claims abstract description 20
- 238000009423 ventilation Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 8
- 239000010815 organic waste Substances 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- 239000012855 volatile organic compound Substances 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0407—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0457—Packings
- F16K5/0464—Packings in the housing
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0457—Packings
- F16K5/0478—Packings on the plug
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Abstract
The invention provides a high-efficiency sealing device of a ring rotary valve, which comprises: the device comprises a rotary valve core, an annular scavenging box, a flexible sealing collar and a synchronous bracket; the lower part of the rotary valve core purging sleeve is provided with a purging air inlet ring, annular sealing seats are arranged on the inner annular wall surface and the outer annular wall surface of the annular purging box, and a flexible sealing lantern ring is arranged between the purging air inlet ring and the annular sealing seats; the flexible sealing lantern ring is driven by the synchronous support to synchronously rotate with the rotary valve core, the flexible sealing lantern ring is flexibly connected with the purging air inlet ring, cleaning gas in the annular scavenging air box enters the purging air inlet ring through the flexible sealing lantern ring, purging cleaning gas with relatively high pressure in the annular scavenging air box is prevented from leaking into the exhaust box to the greatest extent through a leakage gap between the annular seat and the annular sealing seat.
Description
Technical Field
The invention relates to a high-efficiency sealing device of a ring rotary valve, and relates to the technical field of regenerative combustion devices (RTO).
Background
The existing regenerative combustion device (RTO) is that after the organic waste gas discharged from production is heated by regenerative ceramics, the temperature is rapidly increased, under the action of combustion and heating of fuel gas in a hearth, the temperature reaches 680-1050 ℃, VOCs in the organic waste gas are directly decomposed into carbon dioxide and water vapor at the high temperature to form odorless high-temperature flue gas, then the odorless high-temperature flue gas flows through the regenerative ceramics with low temperature, a large amount of heat energy is transferred from the flue gas to a heat accumulator to heat the organic waste gas to be decomposed in the next cycle, the self temperature of the high-temperature flue gas is greatly reduced, and then the heat exchange is carried out by a heat recovery system and other mediums, so that the temperature of the flue gas is further reduced, and finally the flue gas is discharged to the outdoor atmosphere. The method has the advantages of low operation cost, high treatment efficiency of organic waste gas, no catalyst poisoning phenomenon and the like, so that the method is more adopted for treating VOCs of internationally advanced equipment. The rotary heat accumulating burner (RTO) consists of one combustion chamber, one cylindrical ceramic heat accumulating bed with several independent sections and one rotary steering valve, and the rotary steering valve rotates to change the airflow direction in different sections of the ceramic heat accumulating bed and to preheat VOC exhaust continuously for oxidizing and burning in the combustion chamber to eliminate VOC. However, the existing rotary valve has the defects of too high leakage value due to unreasonable structural design, and directly affects the waste gas treatment efficiency; there is an urgent need for a rotary valve with reasonable design and low leakage, which is applied to the technical field of waste gas treatment heat accumulating type combustion. The applicant applied for an invention in 2017, 12, 23, application number: 201711411597.9 title of invention: the heat accumulating burner with ring rotary valve has improved internal structure of the rotary valve and greatly reduced leakage value of organic waste gas, but the sealing structure of the rotary valve needs further improvement.
Disclosure of Invention
The invention aims to provide a high-efficiency sealing device of a ring rotary valve, which can greatly improve the waste gas purification quality and energy efficiency of a heat accumulating combustion device.
In view of the above technical problems, the present invention provides a high-efficiency sealing device for a ring rotary valve, comprising: the device comprises a rotary valve core, an annular scavenging box, a flexible sealing collar and a synchronous support. The rotary valve plate of the rotary valve core is symmetrically provided with a dead zone box and a purging box, the purging box is communicated with a purging sleeve arranged at the lower part of the rotary valve plate, the lower part of the purging sleeve is provided with a purging air inlet ring, and the purging air inlet ring is provided with an inner air inlet ring body and an outer air inlet ring body. The annular scavenging box is arranged between the annular air inlet box and the exhaust box, an annular sealing seat is arranged on the inner annular wall surface and the outer annular wall surface of the annular scavenging box, a plurality of arc-shaped ventilation grooves are formed in the annular sealing seat, and clean gas in the annular scavenging box is discharged through the arc-shaped ventilation grooves. The sealing ring seat of the flexible sealing lantern ring is provided with a plurality of arc vent holes, and the upper wall surface of the sealing ring seat is provided with an outer ring body and an inner ring body. An inner flexible sleeve is arranged between the inner ring body and the inner air inlet ring body of the purging air inlet ring, and an outer flexible sleeve is arranged between the outer ring body and the outer air inlet ring body of the purging air inlet ring. The flexible sealing lantern ring is arranged on the upper part of the annular sealing seat, and the lower sealing surface of the sealing ring seat of the flexible sealing lantern ring is in contact sealing with the upper sealing surface of the annular sealing seat; the arc ventilation groove on the annular sealing seat is communicated with the arc ventilation hole on the sealing ring seat. The support of the synchronous support is fixed outside the air inlet ring body outside the purging air inlet ring body, and the synchronous shaft is arranged on the support. A synchronous sleeve is arranged on the outer ring wall surface of the outer ring body of the sealing ring seat; the synchronizing shaft is movably arranged in the synchronizing sleeve. The rotary valve core rotates, and three or more sets of synchronous supports drive the flexible sealing sleeve ring and the rotary valve core to synchronously rotate.
The invention is further improved, and the preferred technical measures adopted are as follows: the support of the synchronous support is arranged between the inner air inlet ring body and the outer air inlet ring body of the purging air inlet ring; and the synchronous sleeve of the synchronous support is arranged on the sealing ring seat between the outer ring body and the inner ring body of the flexible sealing collar.
The invention is further improved, and the preferred technical measures adopted are as follows: an outer sealing ring groove and an inner sealing ring groove are formed in the annular sealing seat, an outer sealing piece is arranged in the outer sealing ring groove, and an inner sealing piece is arranged in the inner sealing ring groove; the lower sealing surface of the flexible sealing collar sealing ring seat is in contact sealing with the inner sealing piece and the outer sealing piece.
The invention is further improved, and the preferred technical measures adopted are as follows: an annular groove is arranged on the outer annular wall surface of the annular sealing seat, and sealing liquid is arranged in the annular groove. The outside of the sealing ring seat is provided with a sealing lantern ring, and the lower part of the sealing lantern ring sleeve body is arranged in sealing liquid of the annular groove.
Advantageous effects
Based on the technical scheme, the heat accumulating combustion device of the annular rotary valve has at least one of the following beneficial effects:
1. the flexible sealing lantern ring is flexibly connected with the purging air inlet ring, clean gas in the annular scavenging air box enters the purging air inlet ring through the flexible sealing lantern ring, purging clean gas with relatively high pressure in the annular scavenging air box is prevented from leaking into the exhaust box through a leakage gap between the annular seat and the annular sealing seat;
2. the synchronous support drives the flexible sealing lantern ring and the rotary valve core to synchronously rotate, the sealing ring seat of the flexible sealing lantern ring is arranged on the upper part of the annular sealing seat, and the sealing ring seat is in contact rotary sealing with the annular sealing seat under the action of gravity, so that the sealing effect is further improved;
5. the annular sealing seat is sealed with the sealing ring seat of the flexible sealing lantern ring by adopting a sealing piece, so that organic waste gas to be treated in the air inlet box is further prevented from leaking into the exhaust box;
4. the annular sealing seat and the flexible sealing lantern ring are hydraulically sealed, so that organic waste gas to be treated in the air inlet box is prevented from leaking into the air outlet box to the greatest extent.
Drawings
FIG. 1 is a schematic view of a high efficiency sealing device of the rotary valve of the present invention.
Fig. 2 is a schematic view of the annular seal holder shown in fig. 1.
Fig. 3 is a schematic view of the flexible sealing collar structure shown in fig. 1.
Fig. 4 is a schematic view of the seal structure of the present invention.
Fig. 5 is a schematic view of the hydrodynamic seal between the flexible sealing collar and the annular seal seat of the present invention.
Main accessory symbol description
101-rotating a valve core; 102-rotating a valve plate; 103-purging the sleeve; 104-purging the gas inlet ring; 105-an inner intake annulus; 106-an outer inlet ring body; 201-an annular scavenging box; 202-an annular inlet box; 203-an exhaust box; 204-inner annular wall surface; 205-outer annular wall surface; 206-an annular seal seat; 207-arc-shaped vent grooves; 301-a flexible sealing collar; 302-a seal ring seat; 303-arc vent holes; 304-an outer ring; 305-an inner ring body; 306-an inner flexible sleeve; 307-outer flexible sleeve; 308-lower sealing surface; 309-upper sealing surface; 401-synchronizing a stent; 402-a bracket; 403-synchronizing shaft; 404-an outer annular wall; 405-synchronizing sleeve; 501-an outer sealing ring groove; 502-an inner seal ring groove; 503-an outer seal; 504-inner seal; 505-lower sealing surface; 506-annular groove; 507-sealing the liquid; 508-sealing collar; 509-a sleeve.
Detailed Description
The present invention will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
First embodiment
As shown in fig. 1, a high efficiency sealing device for a rotary valve of the ring type comprises: the rotary valve core 101, the annular scavenging box 201, the flexible sealing collar 301 and the synchronous support 401. The rotary valve plate 102 of the rotary valve core 101 is symmetrically provided with a dead zone box and a purging box, the purging box is communicated with a purging sleeve 103 arranged at the lower part of the rotary valve plate 102, and a purging air inlet ring 104 is arranged at the lower part of the purging sleeve 103. An inner air inlet ring 105 and an outer air inlet ring 106 are mounted on the purge air inlet ring 104. The annular scavenging box 201 is installed between the annular intake box 202 and the exhaust box 203, and annular seal seats 206 are installed on the inner annular wall surface 204 and the outer annular wall surface 205 of the annular scavenging box 201. As shown in fig. 2, the annular sealing seat 206 is provided with a plurality of arc-shaped ventilation grooves 207, and the cleaning gas in the annular scavenging box 201 is discharged through the arc-shaped ventilation grooves 207. As shown in fig. 3, a plurality of arc-shaped ventilation holes 303 are formed in a sealing ring seat 302 of a flexible sealing collar 301, and an outer ring body 304 and an inner ring body 305 are mounted on the upper wall surface of the sealing ring seat 302. As shown in fig. 1, an inner flexible sleeve 306 is mounted between the inner ring body 305 and the inner inlet ring body 105 of the purge inlet ring 104. An outer flexible sleeve 307 is mounted between the outer ring 304 and the outer inlet ring 106 of the purge inlet ring 104. A flexible sealing collar 301 is mounted on the upper part of the annular sealing seat 206, the flexible sealing collar 301 sealing the lower sealing surface 308 of the annular sealing seat 302 in sealing contact with the upper sealing surface 309 of the annular sealing seat 206; the arc vent slot 207 on the annular seal seat 206 communicates with the arc vent 303 on the seal ring seat 302. The support 402 of the synchronous support 401 is fixedly arranged outside the air inlet ring body 106 outside the purge air inlet ring 104, and the synchronous shaft 403 is arranged on the support 402. As shown in fig. 3, a synchronizing sleeve 405 is mounted on an outer annular wall surface 404 of the outer annular body 304 of the seal ring seat 302; the synchronizing shaft 403 is movably mounted in a synchronizing sleeve 405. The rotary valve core 101 rotates, and the three sets of synchronous supports 401 drive the flexible sealing collar 301 to synchronously rotate with the rotary valve core 101. As shown in fig. 3, a bracket 402 of the synchronizing bracket 401 is installed between the inner air inlet ring 105 and the outer air inlet ring 106 of the purge air inlet ring 104; the synchronizing sleeve 405 of the synchronizing support 401 is mounted on the sealing ring seat 302 between the outer ring body 304 and the inner ring body 305 of the flexible sealing collar 301.
Thus, the description of the first embodiment of the high efficiency sealing device for a rotary valve of the present invention has been completed.
Second embodiment
As shown in fig. 4, the annular seal seat 206 is provided with an outer seal ring groove 501 and an inner seal ring groove 502, an outer seal member 503 is installed in the outer seal ring groove 501, and an inner seal member 504 is installed in the inner seal ring groove 502. The lower sealing surface 505 of the sealing ring seat 302 is in contact sealing with the inner seal 504 and the outer seal 503. As shown in fig. 5, an annular groove 506 is installed on the outer circumferential wall surface of the annular seal holder 206, and a sealing liquid 507 is installed in the annular groove 506. The outer part of the sealing ring seat 302 is provided with a sealing collar 508, and the lower part of a sealing collar 508 sleeve 509 is arranged in the sealing liquid 507 of the annular groove 506.
Thus, the description of the second embodiment of the high efficiency sealing device for a rotary valve of the present invention has been completed.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (5)
1. An efficient sealing apparatus for a rotary valve, comprising:
the rotary valve core is symmetrically provided with a dead zone box and a purging box on a rotary valve plate, the purging box is communicated with a purging sleeve arranged at the lower part of the rotary valve plate, and a purging air inlet ring is arranged at the lower part of the purging sleeve; an inner air inlet ring body and an outer air inlet ring body are arranged on the purging air inlet ring;
the annular scavenging box is arranged between the annular air inlet box and the exhaust box, annular sealing seats are arranged on the inner annular wall surface and the outer annular wall surface of the annular scavenging box, a plurality of arc-shaped ventilation grooves are formed in the annular sealing seats, and clean gas in the annular scavenging box is discharged through the arc-shaped ventilation grooves;
the flexible sealing collar is characterized in that a plurality of arc-shaped vent holes are formed in a sealing ring seat, and an outer ring body and an inner ring body are arranged on the upper wall surface of the sealing ring seat; an inner flexible sleeve is arranged between the inner ring body and an inner air inlet ring body of the purging air inlet ring, and an outer flexible sleeve is arranged between the outer ring body and an outer air inlet ring body of the purging air inlet ring; the flexible sealing lantern ring is arranged at the upper part of the annular sealing seat, the lower sealing surface of the sealing ring seat of the flexible sealing lantern ring is in contact sealing with the upper sealing surface of the annular sealing seat, and the arc-shaped ventilation groove on the annular sealing seat is communicated with the arc-shaped ventilation hole on the sealing ring seat;
the synchronous support is fixed outside the air inlet ring body outside the purging air inlet ring, a synchronous shaft is arranged on the support, and a synchronous sleeve is arranged on the outer ring wall surface of the outer ring body of the sealing ring seat; the synchronous shaft is movably arranged in the synchronous sleeve; the rotary valve core rotates, and three or more sets of synchronous supports drive the flexible sealing sleeve ring and the rotary valve core to synchronously rotate.
2. An efficient sealing apparatus for a rotary ring valve as defined in claim 1, wherein: the annular sealing seat is provided with an outer sealing ring groove and an inner sealing ring groove, an outer sealing piece is arranged in the outer sealing ring groove, an inner sealing piece is arranged in the inner sealing ring groove, and the lower sealing surface of the flexible sealing collar sealing ring seat is in contact sealing with the inner sealing piece and the outer sealing piece.
3. An efficient sealing apparatus for a rotary valve, comprising:
the rotary valve core is symmetrically provided with a dead zone box and a purging box on a rotary valve plate, the purging box is communicated with a purging sleeve arranged at the lower part of the rotary valve plate, and a purging air inlet ring is arranged at the lower part of the purging sleeve; an inner air inlet ring body and an outer air inlet ring body are arranged on the purging air inlet ring;
the annular scavenging box is arranged between the annular air inlet box and the exhaust box, annular sealing seats are arranged on the inner annular wall surface and the outer annular wall surface of the annular scavenging box, a plurality of arc-shaped ventilation grooves are formed in the annular sealing seats, and clean gas in the annular scavenging box is discharged through the arc-shaped ventilation grooves;
the flexible sealing collar is characterized in that a plurality of arc-shaped vent holes are formed in a sealing ring seat, and an outer ring body and an inner ring body are arranged on the upper wall surface of the sealing ring seat; an inner flexible sleeve is arranged between the inner ring body and an inner air inlet ring body of the purging air inlet ring, and an outer flexible sleeve is arranged between the outer ring body and an outer air inlet ring body of the purging air inlet ring; the flexible sealing lantern ring is arranged at the upper part of the annular sealing seat, the lower sealing surface of the sealing ring seat of the flexible sealing lantern ring is in contact sealing with the upper sealing surface of the annular sealing seat, and the arc-shaped ventilation groove on the annular sealing seat is communicated with the arc-shaped ventilation hole on the sealing ring seat;
the synchronous bracket is arranged between the inner air inlet ring body and the outer air inlet ring body of the purging air inlet ring; the synchronous sleeve of the synchronous support is arranged on the sealing ring seat between the outer ring body and the inner ring body; the rotary valve core rotates, and three or more sets of synchronous supports drive the flexible sealing sleeve ring and the rotary valve core to synchronously rotate.
4. A high efficiency sealing apparatus for a rotary valve according to claim 3, wherein: the annular sealing seat is provided with an outer sealing ring groove and an inner sealing ring groove, an outer sealing piece is arranged in the outer sealing ring groove, an inner sealing piece is arranged in the inner sealing ring groove, and the lower sealing surface of the flexible sealing collar sealing ring seat is in contact sealing with the inner sealing piece and the outer sealing piece.
5. A high efficiency sealing apparatus for a rotary valve according to claim 3, wherein: an annular groove is arranged on the outer annular wall surface of the annular sealing seat, and sealing liquid is arranged in the annular groove; the outside of sealing ring seat installs the sealing collar, the lower part of sealing collar cover body installs in the sealed liquid of ring channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479659.XA CN108087575B (en) | 2017-12-29 | 2017-12-29 | Efficient sealing device of ring rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479659.XA CN108087575B (en) | 2017-12-29 | 2017-12-29 | Efficient sealing device of ring rotary valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108087575A CN108087575A (en) | 2018-05-29 |
| CN108087575B true CN108087575B (en) | 2024-01-26 |
Family
ID=62180103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711479659.XA Active CN108087575B (en) | 2017-12-29 | 2017-12-29 | Efficient sealing device of ring rotary valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108087575B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6311719B1 (en) * | 1999-08-10 | 2001-11-06 | Sequal Technologies, Inc. | Rotary valve assembly for pressure swing adsorption system |
| JP2003130323A (en) * | 2001-10-25 | 2003-05-08 | Babcock Hitachi Kk | Rotating distribution type thermal storage combustion device |
| KR100936692B1 (en) * | 2009-09-30 | 2010-01-13 | (주) 테크윈 | Regenerative combustion apparatus having diffuser plate adjusting gab of contacting with removable rotary valve by thermal expansion |
| CN106949488A (en) * | 2017-05-09 | 2017-07-14 | 江苏中科机械有限公司 | Heat storage burner with efficient sealed rotating type change valve |
| CN107355565A (en) * | 2017-08-24 | 2017-11-17 | 江苏中科机械有限公司 | The ring plate sealing device of Regenerative Combustion System rotating type change valve |
-
2017
- 2017-12-29 CN CN201711479659.XA patent/CN108087575B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6311719B1 (en) * | 1999-08-10 | 2001-11-06 | Sequal Technologies, Inc. | Rotary valve assembly for pressure swing adsorption system |
| JP2003130323A (en) * | 2001-10-25 | 2003-05-08 | Babcock Hitachi Kk | Rotating distribution type thermal storage combustion device |
| KR100936692B1 (en) * | 2009-09-30 | 2010-01-13 | (주) 테크윈 | Regenerative combustion apparatus having diffuser plate adjusting gab of contacting with removable rotary valve by thermal expansion |
| CN106949488A (en) * | 2017-05-09 | 2017-07-14 | 江苏中科机械有限公司 | Heat storage burner with efficient sealed rotating type change valve |
| CN107355565A (en) * | 2017-08-24 | 2017-11-17 | 江苏中科机械有限公司 | The ring plate sealing device of Regenerative Combustion System rotating type change valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108087575A (en) | 2018-05-29 |
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