CN207701812U - The high-efficiency sealing device of ring type rotary valve - Google Patents
The high-efficiency sealing device of ring type rotary valve Download PDFInfo
- Publication number
- CN207701812U CN207701812U CN201721901286.6U CN201721901286U CN207701812U CN 207701812 U CN207701812 U CN 207701812U CN 201721901286 U CN201721901286 U CN 201721901286U CN 207701812 U CN207701812 U CN 207701812U
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- Prior art keywords
- ring
- sealing
- seal
- purged
- ring body
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 114
- 230000006835 compression Effects 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 24
- 230000001360 synchronised effect Effects 0.000 claims abstract description 22
- 230000002000 scavenging effect Effects 0.000 claims abstract description 18
- 238000010926 purge Methods 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 15
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Abstract
The utility model provides a kind of high-efficiency sealing device of ring type rotary valve, including：Rotary spool, annular scavenging air box, flexible sealing lantern ring and synchronous bracket；The lower part of rotary spool purging set, which is equipped with, is purged into compression ring, is equipped with ring sealing base on the inner ring wall surface and outer shroud wall surface of annular scavenging air box, is purged between compression ring and ring sealing base and is equipped with flexible sealing lantern ring；Flexible sealing lantern ring rotates synchronously under the drive of synchronous bracket with rotary spool, flexible sealing lantern ring is flexibly connected with compression ring is purged into, clean gas in annular scavenging air box is entered by flexible sealing lantern ring to be purged into compression ring, the relatively high purging clean gas of pressure in annular scavenging air box, by the leakage-gap between ring seat and ring sealing base, prevent pending organic exhaust gas in inlet box from leaking into fumer to greatest extent.
Description
Technical field
The present invention is a kind of high-efficiency sealing device of ring type rotary valve, is related to heat accumulating burner（RTO）Technical field.
Background technology
Current heat accumulating burner（RTO）Be production discharge organic exhaust gas after the heating of thermal storage ceramic,
Temperature is promoted rapidly, and in burner hearth under the effect of combustion gas combustion heating, temperature reaches 680~1050 DEG C, the VOCs in organic exhaust gas
Carbon dioxide and vapor are directly resolved at these elevated temperatures, forms tasteless high-temperature flue gas, then flow through the low accumulation of heat of temperature
Ceramics, a large amount of thermal energy are transferred to heat storage from flue gas, for heating the organic exhaust gas to be decomposed recycled, high temperature cigarette next time
The own temperature of gas significantly declines, and heat exchange occurs using heat recovery system and other media, flue-gas temperature further drops
It is low, finally drain into outside atmosphere., with economic operating cost, the treatment effeciency of organic exhaust gas is high, and catalyst poisoning will not occur for it
The advantages that phenomenon, thus in the world more advanced equipment VOCs processing it is more in this way.Rotary heat storage burner
（RTO）Device is divided into the ceramic heat-storing bed of a few valve isolated areas by a combustion chamber, a cylinder and one rotatably turns to
Valve group is at passing through the rotation of rotary switching valve, change the airflow direction of ceramic heat-storing bed different zones, to continuously pre-
Hot VOC exhaust gas, can be removed VOC after the oxidizing fire of combustion chamber.But current rotary valve is not conformed to due to structure design
Reason, there is also the defects that leakage value is excessively high, directly affect exhaust treatment efficiency；Be badly in need of a kind of reasonable design, low leakage rotation
Valve is applied to exhaust-gas treatment regenerative combustion technology field.The applicant has applied for an invention, Shen on December 23rd, 2017
Please number：201711411597.9 denomination of invention：Heat storage burner with ring type rotary valve, this technological improvement rotation
Valve internal structure, considerably reduces the leakage value of organic exhaust gas, but also needs to do the sealing structure of rotary valve and further change
Into.
Invention content
The purpose of the present invention is to provide a kind of high-efficiency sealing devices of ring type rotary valve, increase substantially heat-accumulation combustion dress
The waste gas purification quality and efficiency set.
In view of above-mentioned technical problem, the present invention provides a kind of high-efficiency sealing devices of ring type rotary valve, including：Rotary valve
Core, annular scavenging air box, flexible sealing lantern ring and synchronous bracket.It is symmetrically installed with blind area case on the rotary valve plate of rotary spool and blows
Sweep case, purging case is communicated with the purging set for being mounted on rotary valve plate lower part, and the lower part for purging set is equipped with and is purged into compression ring, this blows
It sweeps on compression ring and interior air inlet ring body and external admission ring body is installed.Annular scavenging air box be mounted on annular inlet box and fumer it
Between, ring sealing base is installed on the inner ring wall surface and outer shroud wall surface of the annular scavenging air box, several are provided on ring sealing base
Arc air channel, the clean gas in annular scavenging air box are discharged by arc air channel.In the seal ring seat of flexible sealing lantern ring
Several arc ventholes are provided with, outer ring body and inner ring body are installed on the upper wall surface of seal ring seat.Inner ring body and purging air inlet
Interior flexible boot is installed between the interior air inlet ring body of ring, is equipped between outer ring body and the external admission ring body for being purged into compression ring outer soft
Property set.Flexible sealing lantern ring is mounted on the top of ring sealing base, the lower sealing surface of the flexible sealing lantern ring seal ring seat, with ring
The upper sealing surface contact sealing of shape seal receptacle；Arc air channel on ring sealing base, with the arc venthole in seal ring seat
It communicates.The holder of synchronous bracket is fixed on the outside for being purged into compression ring external admission ring body, and synchronizing shaft is equipped on the holder.Sealing
Synchronizing sleeve is installed on the outer shroud wall surface of ring seat outer ring body；Synchronizing shaft is movably arranged in synchronizing sleeve.Rotary spool rotates, three sets
Or three sets or more of synchronous bracket drives flexible sealing lantern ring and rotary spool synchronous rotary.
The present invention is further improved, the optimization technique measure taken is：The holder of synchronous bracket is mounted on purging
Into between the interior air inlet ring body and external admission ring body of compression ring；The synchronizing sleeve of synchronous bracket is mounted on flexible sealing lantern ring outer ring body
In seal ring seat between inner ring body.
The present invention is further improved, the optimization technique measure taken is：Outer seal ring is provided on ring sealing base
Slot and interior sealing annular groove are equipped with outside seal in external seal annular groove, inner seal liner are equipped in interior sealing annular groove；Flexible sealing
The lower sealing surface of lantern ring seal ring seat contacts sealing with inner seal liner and outside seal.
The present invention is further improved, the optimization technique measure taken is：Pacify on the outer shroud wall surface of ring sealing base
Equipped with annular groove, sealing liquid is installed in the annular groove.The outside of seal ring seat is equipped with sealing ring, sealing ring body
Lower part, be mounted on annular groove sealing liquid in.
Advantageous effect
Based on above technical scheme, the heat storage burner of ring type rotary valve of the present invention at least has the advantages that it
One of：
1. flexible sealing lantern ring passes through flexible sealing with compression ring flexible connection, the clean gas in annular scavenging air box is purged into
Lantern ring, which enters, to be purged into compression ring, and the relatively high purging clean gas of pressure, close with annular by ring seat in annular scavenging air box
The leakage-gap between seat is sealed, prevents pending organic exhaust gas in inlet box from leaking into fumer；
2. synchronous bracket drives flexible sealing lantern ring and rotary spool synchronous rotary, the seal ring seat of flexible sealing lantern ring
Mounted on the top of ring sealing base, seal ring seat contacts rotatory sealing between ring sealing base under the effect of gravity, into one
Step increases sealing effect；
5. being sealed using sealing element between ring sealing base and the seal ring seat of flexible sealing lantern ring, air inlet is further prevented
Pending organic exhaust gas leaks into fumer in case；
4. using liquid packing between ring sealing base and flexible sealing lantern ring, prevent from waiting in inlet box to greatest extent
Processing organic exhaust gas leaks into fumer.
Description of the drawings
Fig. 1 is the schematic diagram of the high-efficiency sealing device of ring type rotary valve of the present invention.
Fig. 2 is the structural schematic diagram of ring sealing base shown in FIG. 1.
Fig. 3 is flexible sealing thimble structure schematic diagram shown in FIG. 1.
Fig. 4 is sealed structural representation of the present invention.
Fig. 5 is the liquid packing structural schematic diagram between flexible sealing lantern ring and ring sealing base of the present invention.
Key fitment symbol description
101- rotary spools；102- rotary valve plates；103- purging sets；104- is purged into compression ring；Air inlet ring body in 105-；
106- external admission ring bodies；201- annular scavenging air boxs；202- annular inlet boxs；203- fumers；204- inner ring wall surfaces；205- outer shrouds
Wall surface；206- ring sealing bases；207- arc air channels；301- flexible sealing lantern rings；302- seal ring seats；303- arcs are ventilated
Hole；304- outer ring bodies；305- inner ring bodies；Flexible boot in 306-；The outer flexible boots of 307-；308- lower sealing surfaces；The upper sealing surfaces of 309-；
401- synchronous brackets；402- holders；403- synchronizing shafts；404- outer shroud wall surfaces；405- synchronizing sleeves；501- external seal annular grooves；502-
Interior sealing annular groove；503- outside seals；504- inner seal liners；505- lower sealing surfaces；506- annular grooves；507- seals liquid；
508- sealing rings；509- bodies.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in further detail.
One, first embodiments
As shown in Figure 1, the high-efficiency sealing device of ring type rotary valve, including：It is rotary spool 101, annular scavenging air box 201, soft
Property sealing ring 301 and synchronous bracket 401.Blind area case and purging are symmetrically installed on the rotary valve plate 102 of rotary spool 101
Case, purging case are communicated with the purging set 103 mounted on 102 lower part of rotary valve plate, which covers 103 lower parts and be equipped with purging air inlet
Ring 104.It is purged on compression ring 104 and interior air inlet ring body 105 and external admission ring body 106 is installed.Annular scavenging air box 201 is mounted on ring
Between shape inlet box 202 and fumer 203, the inner ring wall surface 204 of the annular scavenging air box 201 is equipped with on outer shroud wall surface 205
Ring sealing base 206.As shown in Fig. 2, being provided with several arc air channels 207, annular scavenging air box 201 on ring sealing base 206
In clean gas pass through arc air channel 207 be discharged.As shown in figure 3, being opened in the seal ring seat 302 of flexible sealing lantern ring 301
There are several arc ventholes 303, outer ring body 304 and inner ring body 305 are installed on the upper wall surface of seal ring seat 302.Such as Fig. 1 institutes
Show, between inner ring body 305 and the interior air inlet ring body 105 for being purged into compression ring 104, interior flexible boot 306 is installed.Outer ring body 304 with
It is purged between the external admission ring body 106 of compression ring 104, outer flexible boot 307 is installed.Flexible sealing lantern ring 301 is mounted on annular
The top of seal receptacle 206, the lower sealing surface 308 of 301 seal ring seat 302 of flexible sealing lantern ring are upper with ring sealing base 206
The contact sealing of sealing surface 309；Arc air channel 207 on ring sealing base 206, with the arc venthole in seal ring seat 302
303 communicate.The holder 402 of synchronous bracket 401 is fixedly mounted on the outside for being purged into 104 external admission ring body 106 of compression ring, holder
Synchronizing shaft 403 is installed on 402.As shown in figure 3, on the outer shroud wall surface 404 of 302 outer ring body 304 of seal ring seat, synchronization is installed
Set 405；Synchronizing shaft 403 is movably arranged in synchronizing sleeve 405.Rotary spool 101 rotates, and three sets of synchronous brackets 401 drive flexibility
Sealing ring 301 and 101 synchronous rotary of rotary spool.As shown in figure 3, the holder 402 of synchronous bracket 401, mounted on being purged into
Between the interior air inlet ring body 105 and external admission ring body 106 of compression ring 104；The synchronizing sleeve 405 of synchronous bracket 401 is mounted on flexible close
In seal ring seat 302 between 301 outer ring body 304 of big envelope ring and inner ring body 305.
So far, the high-efficiency sealing device first embodiment of ring type rotary valve of the present invention, introduction finish.
Two, second embodiments
As shown in figure 4, external seal annular groove 501 and interior sealing annular groove 502 are provided on ring sealing base 206, external seal annular groove
Outside seal 503 is installed in 501, inner seal liner 504 is installed in interior sealing annular groove 502.The lower sealing surface of seal ring seat 302
505, contact sealing with inner seal liner 504 and outside seal 503.As shown in figure 5, pacifying on the outer shroud wall surface of ring sealing base 206
Equipped with annular groove 506, sealing liquid 507 is installed in the annular groove 506.The outside of seal ring seat 302 is equipped with sealing ring
508, the lower part of 508 body 509 of sealing ring is mounted in the sealing liquid 507 of annular groove 506.
So far, the high-efficiency sealing device second embodiment of ring type rotary valve of the present invention, introduction finish.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, that is made appoints modification, equivalent replacement, improvement etc., should be included in the protection of the present invention
Within the scope of.
Claims (4)
1. a kind of high-efficiency sealing device of ring type rotary valve, which is characterized in that including：
Rotary spool, is symmetrically installed with blind area case and purging case on rotary valve plate, the purging case with mounted on rotary valve plate
The purging set of lower part communicates, and the lower part of the purging set, which is equipped with, is purged into compression ring；It is described be purged on compression ring be equipped in into
Compression ring body and external admission ring body；
Annular scavenging air box is mounted between annular inlet box and fumer, the inner ring wall surface and outer shroud of the annular scavenging air box
Ring sealing base is installed on wall surface, is provided with several arc air channels on the ring sealing base, in the annular scavenging air box
Clean gas be discharged by arc air channel；
Flexible sealing lantern ring is provided with several arc ventholes in seal ring seat, is installed on the upper wall surface of the seal ring seat
There are outer ring body and inner ring body；Interior flexible boot is installed between the inner ring body and the interior air inlet ring body for being purged into compression ring, it is described outer
Outer flexible boot is installed between ring body and the external admission ring body for being purged into compression ring；The flexible sealing lantern ring is mounted on ring packing
The top of seat, the lower sealing surface of the flexible sealing lantern ring seal ring seat contact sealing, institute with the upper sealing surface of ring sealing base
The arc air channel on ring sealing base is stated, is communicated with the arc venthole in seal ring seat；
Synchronous bracket, holder are fixed on the outside for being purged into compression ring external admission ring body, and synchronizing shaft, institute are equipped on the holder
It states on the outer shroud wall surface of seal ring seat outer ring body, synchronizing sleeve is installed；The synchronizing shaft is movably arranged in synchronizing sleeve；Rotary valve
Core rotates, and three sets or three sets or more of synchronous bracket drives flexible sealing lantern ring and rotary spool synchronous rotary.
2. the high-efficiency sealing device of ring type rotary valve according to claim 1, it is characterised in that：The branch of the synchronous bracket
Frame, mounted on being purged between the interior air inlet ring body of compression ring and external admission ring body；The synchronizing sleeve of the synchronous bracket is mounted on outer
In seal ring seat between ring body and inner ring body.
3. the high-efficiency sealing device of ring type rotary valve according to claim 1 or 2, it is characterised in that：The ring packing
It is provided with external seal annular groove and interior sealing annular groove on seat, outside seal, the interior sealing annular groove are installed in the external seal annular groove
In inner seal liner is installed, the lower sealing surface of the flexible sealing lantern ring seal ring seat is contacted with inner seal liner and outside seal
Sealing.
4. the high-efficiency sealing device of ring type rotary valve according to claim 2, it is characterised in that：The ring sealing base
Annular groove is installed on outer shroud wall surface, sealing liquid is installed in the annular groove；The outside of the seal ring seat is equipped with close
Big envelope ring, the lower part of the sealing ring body are mounted in the sealing liquid of annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901286.6U CN207701812U (en) | 2017-12-29 | 2017-12-29 | The high-efficiency sealing device of ring type rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901286.6U CN207701812U (en) | 2017-12-29 | 2017-12-29 | The high-efficiency sealing device of ring type rotary valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701812U true CN207701812U (en) | 2018-08-07 |
Family
ID=63030268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721901286.6U Withdrawn - After Issue CN207701812U (en) | 2017-12-29 | 2017-12-29 | The high-efficiency sealing device of ring type rotary valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701812U (en) |
-
2017
- 2017-12-29 CN CN201721901286.6U patent/CN207701812U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180807 Effective date of abandoning: 20240126 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180807 Effective date of abandoning: 20240126 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |