CN101676179B - Rotary sealing feeding valve - Google Patents
Rotary sealing feeding valve Download PDFInfo
- Publication number
- CN101676179B CN101676179B CN200810211215.2A CN200810211215A CN101676179B CN 101676179 B CN101676179 B CN 101676179B CN 200810211215 A CN200810211215 A CN 200810211215A CN 101676179 B CN101676179 B CN 101676179B
- Authority
- CN
- China
- Prior art keywords
- valve casing
- pressure
- valve
- side flange
- seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention relates to a rotary sealing feeding valve which comprises a valve casing, side flanges which are symmetrically arranged and a star-shaped rotor, wherein the side flanges are fixedly installed at the front side and the back side of the valve casing; a main shaft is supported between the side flanges; and the star-shaped rotor is supported between two side flanges in the valve casing. The invention is characterized in that the space between each side flange and the valve casing is divided into a plurality of sealed chambers by the star-shaped rotor; a pressure-reducing balanced opening and a pressure-increasing balanced opening are arranged on the valve casing; and the valve casing also comprises a feeding opening and a discharge opening. The rotary sealing feeding valve is a rotary valve which is suitable for continuous feeding in the environment with pressure difference and temperature difference.
Description
Technical field:
The present invention is that a kind of valve or gate are a kind of rotovalve that is adapted at having lasting feeding in pressure reduction and temperature difference environment specifically.
Background technology:
Swivel feeding valve is widely used in the industries such as building materials, metallurgy, electric power, chemical industry, tobacco machine.At present, for delivery of the swivel feeding valve of particle stake or powder material, generally include valve casing and be arranged on the star rotor in valve casing chamber.According to the needs of different use occasions, star rotor and valve casing cavity wall can be contactless, gapped between its blade tip and valve casing cavity wall face; Or contact, between its blade tip and valve casing cavity wall face, be sealing gapless moral prestige, i.e. rotary sealing feeding valve.Feed inlet and outlet on the valve casing of rotary sealing feeding valve is connected with low-pressure cavity with high pressure respectively conventionally, high-low pressure chamber is separated by rotary sealing feeding valve, material is sent into the storehouse lattice that form between each blade of star rotor from inlet point, after rotating to an angle by rotor banding animal material, material is discharged from discharging opening, in swivel feeding, guarantee the sealing of high pressure chest.
200710135134.4 a kind of seal rotary feed valve is provided, this application proposes radially and axially realizing a kind of technical scheme of new sealing, both by being arranged on the rotary packing ring and the stationary seal ring that is arranged on valve shell cavity on star rotor, reached sealing purpose.But this technology is the pressure reduction in the storehouse lattice of unresolved inlet point and discharging opening and star rotor and the fluctuation of pressure problem that produces still, namely above-mentioned patent cannot be applicable to the occasion that needs accurate controlled working container inner pressure to change, because pressure leakage when this feed valve itself can cause feeding and discharging, and easily the gaseous matter of process vessel inside is taken out of and is discharged in air, pollute and waste.
Summary of the invention:
To be solved by this invention is in tobacco processing feeding process, the medium of expanded cut tobacco to be dispersed in air in a large number, the inflating medium loss and the problem of environmental pollution that cause.And a kind of new rotary sealing feeding valve simple in structure with gaseous medium recycle proposing.
Rotary sealing feeding valve of the present invention comprises valve casing, symmetrically arranged side flange and star rotor, described side flange is fixedly mounted on both sides, valve casing front and back, main shaft support is in the middle of side flange, described star rotor is supported between inner two side flanges of valve casing, described star rotor is divided into a plurality of enclosed volumes storehouse lattice by the space between side flange and valve casing, on described valve casing, be provided with Pressure Drop pressure balanced mouth and pressure supercharging balance port, described valve casing also comprises inlet point and discharging opening.
Described star rotor comprises blade and be socketed in the bearing on hollow spindle, and blade both sides are welded with end plate.After described valve casing symmetric design inblock cast, process, the end face of side flange adopts three stepped design, and is provided with wear-resisting stupalith at middle ladder end face, and other two ladders are equipped with seal valve, and described side flange inside is also provided with chevron shaped seal ring.
To be described volumetric bin lattice be welded by the end plate of blade, hollow bearing and blade both sides further improvement of the present invention, described vane tip and end plate circumferentially, end plate outside built-up welding high hardness wear-resisting metal all, the inlet point of described vane tip and valve casing cavity and discharging opening edge are provided with processing wedge angle, and it forms class scissors function each other.
And the pressure-equalizing line by peripheral hardware is connected with pressure supercharging balance port by Pressure Drop pressure balanced mouth with valve casing, between pressure decreased balance port and pressure supercharging balance port, also by pipeline, be directly connected, described Pressure Drop pressure balanced mouth and pressure supercharging balance port are oppositely arranged in valve casing outside.
The combination envelope SF envelope of the present invention's a kind of applicable rotation use that also described in reserved 40-60MM diameter length 25-35MM, be equipped with on by the ladder with side flange bosom in space between main shaft is by the welding hollow shaft of side flange and volumetric bin lattice coordinates the circumferential dynamic seal of formation.The adjusting surplus of particular design is housed on described main shaft.
Rotary sealing feeding valve of the present invention forms circumferentially hard sealing pair at storehouse lattice end plate radial outer end face and valve casing inwall, as first side seal defence line; The elastic sealing gasket of side flange and frame is as second side seal defence line; The main shaft of rotor coordinates the circumferential dynamic seal of formation by flange with the hollow welding design of storehouse lattice forms applicable rotation use combination envelope SF envelope by reserving certain space, as three seals defence line, more by setting up step-down outlet at discharge end and adding supercharging at feeding end, export, utilize the difference of pressure of storehouse, both sides lattice, the high pressure gas that contains working medium of discharge end is directly imported in the storehouse lattice of feeding end, improved the rate that recycles of machining medium, and feeding warehouse lattice internal pressure is raise, reduced the fluctuation of pressure that process vessel produces because of feeding warehouse.And discharging bin lattice almost do not have machining medium to leak, greatly reduce the demand of gas medium, cut down finished cost and played and encircled energy-conservation effect.
Accompanying drawing explanation:
Fig. 1 is the constructional drawing of rotary sealing feeding valve during for charging;
Fig. 2 is the constructional drawing of rotary sealing feeding valve during for discharging;
Fig. 3 is the front section view of rotary sealing feeding valve in Fig. 1, Fig. 2.
The specific embodiment:
As shown in drawings: a kind of rotary sealing feeding valve, comprise valve casing 4, this valve casing is provided with the Si Taili alloy-layer 8 of inlet point 21 and discharging opening 30 and built-up welding in the above, has the exhaust balance port 14 of balanced inlet air mouth 5 and the Pressure Drop downside of pressure rising side on valve casing; The side flange 17 at valve casing two ends is connected with valve casing by screw, valve casing 4 is provided with rotor with the cavity that side flange 17 forms, this rotor is welded by main shaft 28, flange plate 29 and a plurality of volumetric bin lattice 15 of being welded by blade 6, end plate 19, hollow shaft 22, and rotor is installed fixing by the bearing 27 being contained on main shaft 28 with side flange; A back taper balance returnable reclaims outlet pipe by conical shell 9, charge pipe 11, medium recovery inlet pipe and medium and is welded, and conical shell 9 is connected with valve casing 4 by bolt and nut.
The working process of strength counter lock gas feed valve is as follows:
As shown in accompanying drawing 2 and Fig. 3, tobacco material falls into inlet point 21 by external equipment by the charge pipe 11 of back taper balance returnable, motor drives rotor to rotate by being connected with main shaft 28, the interior meeting of each volumetric bin lattice 15 material that is fed mouth 21 successively fills up and forwards to discharging opening 30 and falls into raw material processing inundator like this, coordinate certain rotating speed, this process that adds raw material is steadily carried out hermetically with regard to continuing.
Rotor in valve casing 4 seals completely.The volumetric bin lattice 15 of about 6-20 are set on rotor, rotor is pressed anticlockwise direction rotation as shown in Figure 2, volumetric bin lattice 15 have formed the pressure chamber of many pressure rising sides in valve casing 4, and have the pressure chamber of plenum balance port 5 and many Pressure Drop downsides and have exhaust step-down balance port 14.Plenum balance port 5 in pressure rising side final stage is connected with raw material processing inundator or impressed pressure balance source of the gas by high-pressure medium diffuser 2, so that the medium transport of high pressure is to here, by pressure setting, volumetric bin lattice 15 and raw material are processed before inundator is connected and reached identical pressure, can guarantee that like this volumetric bin lattice 15 are in the stationarity with discharging opening 30 connection blankings, substantially not cause again the fluctuation of pressure in raw material processing inundator.Exhaust step-down balance port 14 in Pressure Drop downside final stage is connected with medium recovery line 13, so that the medium of step-down reclaims, at this moment the pressure setting of inverted cone-shaped balance returnable is identical with the pressure of volumetric bin lattice 15, so that volumetric bin lattice 15 do not have excess pressure streamer when identical with inlet point next time, guarantee raw material smooth flow, simultaneously the medium of medium by back taper balance returnable reclaims outlet 10 recovery that is connected with recovery system, reduction relative permitivity.When volumetric bin lattice 15 are during continuously in Pressure Drop downside exhaust step-down balance port 14, medium in each volumetric bin lattice 15 is just flowed out and is made pressure decreased by balance port 14, during due to Pressure Drop downside exhaust step-down balance port 14, communicate by corresponding pipeline 1 with the plenum balance port 5 of pressure rising side, therefore reducing pressure adds to the pressure that will promote, so circulation, add again very little external energy, just can maintain raw material and process the pressure stability in inundator, realize continuous charging and process continuously.
After rotor volumes storehouse lattice end plate 19 welds with blade 16 and at external diameter end face and end plate outside, pile and be welded with the Si Taili alloy wear-resisting, hardness is high 8,8 respectively, external diameter is processed into and the corresponding precision-fit size of valve casing 14 inner chamber body, and retains the wedge angle on blade.Valve casing 4 inner chamber body are connected built-up welding officials Tai Li alloy 8 with inlet point 21, discharging opening 30, and also retain wedge angle after processing.During rotor, Si Taili alloy 8 on the external diameter end face that blade 6 and end plate form closely cooperates and realizes circumferentially hard sealing of friction with valve casing 4 inner chamber body, volumetric bin lattice 15 are exactly pressure chamber independently one by one like this, mutually, collaborate very little, reached the object that prevents that dielectric gas from revealing by inlet point 21 in a large number from discharging opening 30, simultaneously, wedge angle on blade 6 coordinates with the wedge angle on valve casing, the shearing function that has the jam of preventing, owing to being hard sealing, blade 6 can be got rid of the material that is attached to tar that stickiness that in valve casing cavity inner wall, tobacco material discharges is strong and so at any time, guarantee the stability and safety of feeding.
The external diameter end face of rotor volumes storehouse lattice end plate 19 coordinates circumferential first to prevent that medium from passing through the sealing of valve casing 4 end face external leakages with the precision friction of valve casing 4 cavitys as mentioned above, can prevent the tiny material damage bearing that leaks outside simultaneously.
Side flange 17 and rotor are also provided with three seals valve.Middle ladder at side flange 17, there is ring-type wear-resistant seal ceramic layer 24 on spray way, by the gap between flexible adjustment gasket seal 23 adjustable sealing ceramic layers 24 and Si Taili alloy-layer 18, this gap has just formed second and has prevented that medium from passing through the sealing of valve casing 4 end face external leakages, meanwhile, in the space that further prevents tiny material from leaking outside side flange and rotor form.The main shaft 28 of rotor is the hollow shaft 22 welding designs with volumetric bin lattice 15 by flange plate 29, by reserved certain space, the combination envelope SF envelope 25 of a kind of applicable rotation use being equipped with on the ladder of the inwall of the hollow shaft 22 in this space by side flange 17 bosoms coordinates the circumferential dynamic seal of formation, these Shi tri-side seal defence lines, road, because the reliability of this sealing is high, the amount that dielectric gas leaks by it is very low.Last main shaft 28 by be contained in side flange 17 endoporus on the adjusting surplus chevron shaped seal ring greatly convenient for assembly of particular design coordinates and forms dynamic seal, this is last one side seal defence line, passing through it has not had dielectric gas external leakage substantially.
The working process of strength counter lock gas discharge valve is the same substantially as previously mentioned, and referring to accompanying drawing 2, now, rotor is that clockwise direction rotates, and valve reduces its pressure in discharging, carries out the operation of pressure rising and reduction in contrary mode.
In sum, a kind of rotary sealing feeding valve of the present invention has adopted unique strength balanced seal, the closely cooperate interior leakage that prevents of high-abrasive material, slight pressure reduces and reclaims, multiple the preventing sealing that leaks outside, and anti-sticking such as cuts off at the technology, therefore the continuous raw material that feeds of tobacco material can be processed to processing continuous drawing off in inundator, improve production efficiency, reduce energy consumption, the safety that is conducive to environment, has very large social and economic interests.
Claims (4)
1. a rotary sealing feeding valve, described rotary sealing feeding valve comprises valve casing (4), symmetrically arranged side flange (17), and star rotor, described side flange (17) is fixedly mounted on both sides, valve casing front and back, main shaft support is in the middle of side flange (17), described star rotor is supported between inner two side flanges of valve casing (4) (17), it is characterized in that: described star rotor is divided into a plurality of enclosed volumes storehouse lattice (15) by the space between side flange and valve casing, described enclosed volume storehouse lattice are by blade, the end plate of hollow bearing and blade both sides is welded, described vane tip and end plate are circumferential, end plate outside is built-up welding high hardness wear-resisting metal all, the inlet point of described vane tip and valve casing cavity and discharging opening edge are provided with processing wedge angle, it forms class scissors function each other, on described valve casing (4), be provided with Pressure Drop pressure balanced mouth and pressure supercharging balance port, described valve casing (4) also comprises inlet point and discharging opening, after described valve casing (4) symmetric design inblock cast, process, the end face of side flange (17) adopts three stepped design, and be provided with wear-resisting stupalith at middle ladder end face, and other two ladders are equipped with seal valve, and described side flange (17) inside is also provided with chevron shaped seal ring, described rotary sealing feeding valve is welded with the Si Taili alloy (18) wear-resisting, hardness is high at enclosed volume storehouse lattice end plate outside heap, and the radial outer end face of enclosed volume storehouse lattice end plate and valve casing inwall form circumferentially hard sealing pair, are first side seal, middle ladder at side flange 17, there is ring-type wear-resistant seal ceramic layer (24) on spray way, by the gap between flexible adjustment gasket seal (23) adjustable sealing ceramic layer (24) and Si Taili alloy-layer (18), this gap has just formed second and has prevented that medium from passing through the side seal of valve casing (4) end face external leakage, the main shaft of rotor (28) is hollow shaft (22) the welding design with volumetric bin lattice (15) by flange plate (29), by reserved certain space, the combination envelope SF envelope (25) of a kind of applicable rotation use being equipped with on the ladder of the inwall of the hollow shaft in this space (22) by side flange (17) bosom coordinates and forms circumferential dynamic seal, assembles chevron shaped seal ring and coordinate formation dynamic seal between main shaft (28) and side flange (17) endoporus.
2. a kind of rotary sealing feeding valve according to claim 1, is characterized in that: described star rotor comprises blade and be socketed in the bearing on hollow spindle, and blade both sides are welded with end plate.
3. a kind of rotary sealing feeding valve according to claim 1, it is characterized in that: the pressure-equalizing line of peripheral hardware is connected with pressure supercharging balance port by Pressure Drop pressure balanced mouth with valve casing, between pressure decreased balance port and pressure supercharging balance port, also by pipeline, be directly connected, described Pressure Drop pressure balanced mouth and pressure supercharging balance port are oppositely arranged in valve casing outside.
4. a kind of rotary sealing feeding valve according to claim 1, is characterized in that: by space described in the space of reserved 40-60MM diameter length 25-35MM between the welding hollow shaft of side flange and volumetric bin lattice, the combination envelope SF envelope by a kind of applicable rotation use that is equipped with on the ladder with side flange bosom coordinates the circumferential dynamic seal of formation to described main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810211215.2A CN101676179B (en) | 2008-09-18 | 2008-09-18 | Rotary sealing feeding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810211215.2A CN101676179B (en) | 2008-09-18 | 2008-09-18 | Rotary sealing feeding valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101676179A CN101676179A (en) | 2010-03-24 |
| CN101676179B true CN101676179B (en) | 2014-04-02 |
Family
ID=42028924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810211215.2A Expired - Fee Related CN101676179B (en) | 2008-09-18 | 2008-09-18 | Rotary sealing feeding valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101676179B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8464860B2 (en) * | 2010-09-21 | 2013-06-18 | General Electric Company | System for thermally controlling a solid feed pump |
| CN102602671B (en) * | 2011-01-24 | 2015-06-03 | 厦门帮众科技有限公司 | Automatic metering structure and automatic feeding device |
| CN102398688B (en) * | 2011-07-15 | 2013-07-10 | 北京诚益通控制工程科技股份有限公司 | Metering rotary split charging valve |
| CN102580407A (en) * | 2012-03-19 | 2012-07-18 | 苏州宝化炭黑有限公司 | Gas-solid separation feeder |
| DE102012206590A1 (en) * | 2012-04-20 | 2013-10-24 | Coperion Gmbh | Method for operating a rotary valve and rotary valve for performing the method |
| CN102730434A (en) * | 2012-06-18 | 2012-10-17 | 南京荣欣化工有限公司 | Powdery material metering and feeding device |
| CN104411398B (en) * | 2012-07-12 | 2017-12-05 | 英尼奥斯欧洲股份公司 | Method for operating hot particle rotation valve |
| CN103738682B (en) * | 2014-02-13 | 2017-02-08 | 吉林烟草工业有限责任公司 | Rotary feed valve |
| CN105016032B (en) * | 2014-04-15 | 2018-07-20 | 藤原酿造机械株式会社 | Vertical rotating valve |
| CN104355068A (en) * | 2014-10-31 | 2015-02-18 | 河北博广环保设备制造有限公司 | Ring cover type rotary blanking tank |
| CN105059843A (en) * | 2015-08-03 | 2015-11-18 | 中冶焦耐工程技术有限公司 | Assistant feeding method and structure of impeller feeder |
| CN107010366A (en) * | 2016-12-10 | 2017-08-04 | 瑞安市阀门厂 | Do not give fat Novel rotary sealing valve |
| CN106956931B (en) * | 2017-05-16 | 2023-02-28 | 湖南省湘粮机械制造有限公司 | Swing rotary type air seal machinery |
| CN107336957B (en) * | 2017-07-26 | 2023-02-03 | 智思控股集团有限公司 | Rotary seal valve |
| CN111465480A (en) * | 2017-12-22 | 2020-07-28 | 倍耐力轮胎股份公司 | Metering device for metering a dose of a compound, in particular for a tyre, and method for metering a dose of a compound, in particular for a tyre |
| CN109519553B (en) * | 2018-12-25 | 2024-01-02 | 石家庄三环阀门股份有限公司 | Rotary sealing valve |
| CN112720900B (en) * | 2020-11-20 | 2022-04-05 | 江苏林达智思环保科技有限公司 | Novel air-locking discharging device |
-
2008
- 2008-09-18 CN CN200810211215.2A patent/CN101676179B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101676179A (en) | 2010-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101676179B (en) | Rotary sealing feeding valve | |
| CN201416642Y (en) | Shaft seal device of high-temperature and pressure resistant star-type feeding machine | |
| CN101955053B (en) | High-airtight anti-wear airlock | |
| CN203064814U (en) | Rotary feeder with airtight device | |
| CN112901199A (en) | Complete equipment for assisting in breaking rock and cutting pile by loading abrasive water jet for tunnel boring machine | |
| CN205151248U (en) | Utilize rotary feeder that air curtain is sealed | |
| FI96970C (en) | Method for rehabilitating steel surfaces | |
| CN102785939A (en) | High-temperature sealed airlock | |
| CN201605007U (en) | Impeller feeder | |
| CN203332853U (en) | Deviated feeder capable of conducting peripheral end dynamic compensation and sealing | |
| CN214944242U (en) | Rotary cooling water supply device for spraying system in coal mining machine | |
| CN201553485U (en) | Petroleum coke powder frequency conversion delivery pump | |
| CN104975603B (en) | A kind of air back valve and apply the pulp shooting machine of this air back valve | |
| CN205744447U (en) | A kind of double-screw compressor rotor shaft seal structure | |
| CN104633163B (en) | powder spherical valve | |
| CN204267288U (en) | A kind of high pressure air cooling roots blower | |
| CN215057389U (en) | Ultra-high pressure water distributor of tunnel boring machine | |
| JPS5826726A (en) | Apparatus for feeding powder | |
| CN215256203U (en) | Central slewing mechanism for ultrahigh-pressure water to pass through integral cutter head of tunnel boring machine | |
| CN214660186U (en) | Cutter and abrasive water jet composite front main cutting gun for tunnel boring machine | |
| CN104114869A (en) | Liquid-ring vacuum pump | |
| CN215256201U (en) | System for rotating ultrahigh-pressure water, abrasive and gas through center of cutterhead of development machine | |
| CN208633879U (en) | A kind of twin-screw expander with wear-resistant structure | |
| CN215057387U (en) | Compressed air passes through tunnel boring machine integral cutter head center slewing mechanism | |
| CN215057388U (en) | Abrasive material conveying through tunnel boring machine integral cutter head center slewing mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20170918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |