CN2793016Y - Energy-saving air shutting device with low-leakage - Google Patents

Energy-saving air shutting device with low-leakage Download PDF

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Publication number
CN2793016Y
CN2793016Y CN 200520030843 CN200520030843U CN2793016Y CN 2793016 Y CN2793016 Y CN 2793016Y CN 200520030843 CN200520030843 CN 200520030843 CN 200520030843 U CN200520030843 U CN 200520030843U CN 2793016 Y CN2793016 Y CN 2793016Y
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China
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blade
material layer
sealing material
energy
elastic wear
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Expired - Fee Related
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CN 200520030843
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Chinese (zh)
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何翔
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Individual
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Abstract

The utility model discloses an energy-saving air shutting device with low leakage, which comprises a cylindrical shell body, wherein a rotary axis penetrates an axial internal chamber of the cylindrical shell body; both ends of the rotary axis are respectively fixed onto end covers on both of the two ends of the shell body through a rotary mechanism of a bearing; the rotary axis is provided with blades; the upper end and the lower end of the shell body are respectively provided with a feed inlet and a feed outlet, wherein the feed inlet and the feed outlet are rectangular; length of the feed inlet or the feed outlet is less than or equal to the length of each blade; width of the feed inlet or the feed outlet is less than or equal to the width between tops of two contiguous blades, and the contiguous blades can form a sealing chamber between the internal chambers of the shell body through a sealing device. The utility model has good air shutting effects and long service life. The utility model which is particularly suitable for high pressure or vacuum bins, and conveying of high-pressure gas can reduce large numbers of energy sources which are consumed for maintaining the high pressure or vacuum degree.

Description

Energy-saving low leakage air sealer
One. technical field: the utility model relates to a kind of air sealer, particularly relates to a kind of energy-saving low leakage air sealer.
Two. background technology: the air sealer that industries such as present flour, cement, grain are used, its housing and rotary blade are all cylinder iron made, when the blade on the impeller rotates at the housing inner chamber, material can enter at any time between the two the gap and make damage in impeller, causes gap increase, and air sealer seriously leaks out, to such an extent as to destroy the balance of total system, behind the blade wear, have only the air sealer that more renews, cause operating cost to increase.At this situation, (publication number is CN2044964U to Chinese patent, application number is 88217295.6) a kind of " omnipotent air sealer " disclosed, its impeller is by portable plate, nest, seal strip, spring is assembled, portable plate keeps a very little gap with casing and does not contact with casing under the effect of spring and nest, after the wearing and tearing, only needing to change portable plate gets final product, if when having foreign matter to block blade, portable plate can be shunk back voluntarily, unlikely stuck air sealer, reduce expenses, but have some defectives in actual use: air sealer is in service, and portable plate is easily dead admittedly by object, and is movable dumb, when foreign matter blocked, blade was not shunk back and is often fractureed.(publication number is CN2141804Y to Chinese patent, the patent No. is 92217977.8) a kind of " novel air sealer " disclosed, it is made up of the bearing that the transparent observing tube is housed, housing, end cap, roller bearing end cap, paddle shaft and a plurality of impellers of being installed on the paddle shaft, be characterized on the pass wind face that each blade cooperates with housing with welding or gluing being connected to as high-abrasive materials such as hard alloys, or plating one deck chromium, prolong the service life of air sealer, but its processed complex, in case wearing and tearing need to change whole air sealer.In addition, above-mentioned technology can not be used in high pressure or vacuum etc. and require on the better equipment of sealing effectiveness, and range of use has certain limitation.
Three. the content of utility model:
The purpose of this utility model: overcome the defective of prior art, a kind of energy-saving low leakage air sealer that closes effective, the easy maintenance of wind, long service life is provided.
The technical solution of the utility model: a kind of energy-saving low leakage air sealer, contain cylindrical housings, rotating shaft runs through the axial bore of cylindrical housings, its two ends are separately fixed on the end cap at these housing two ends by shaft bearing turning mechanism, in the described rotating shaft blade is installed, described housing upper and lower end is respectively equipped with the charging and discharging mouth, described charging and discharging mouth is an oblong, its length is less than or equal to the length of blade, its width is less than or equal to the width between adjacent two blade tips, and adjacent blades is by forming annular seal space between sealing arrangement and the described housing inner chamber.
Described sealing arrangement is made up of seal disc and elastic wear-resisting sealing material layer, wherein two seal discs are set with in the rotating shaft that is fixed on the blade two ends, and its inboard face is fixed with the sealed at both ends of blade respectively, or two seal discs and blade are integral structure, on two seal discs and blade, be fixed with the elastic wear-resisting sealing material layer respectively, and at elastic wear-resisting sealing material layer fixing on the blade and elastic wear-resisting sealing material layer closed contact fixing respectively on two seal discs, the cylinder shape inner wall closed contact of described elastic wear-resisting sealing material layer and housing makes between adjacent blades and the described housing inner chamber and forms annular seal space.
In the annular groove that the cylindrical that described elastic wear-resisting sealing material layer is installed in two seal discs respectively is provided with and in the strip groove that is provided with of blade outer face, its cross sectional shape is made up of the arc on the square and top of bottom, or its cross sectional shape is made up of the V-arrangement on the square and top of bottom, or its cross section is circular.
Cylindrical hole is arranged at the strip groove bottom that annular groove that the cylindrical of described two seal discs is provided with and blade outer face are provided with, and in this cylindrical hole spring is installed.
Described sealing arrangement also can be the elastic wear-resisting sealing material layer that is fixed on the blade, and the cylinder shape inner wall of this elastic wear-resisting sealing material layer and housing and end cap inwall closed contact make between adjacent blades and the described housing inner chamber and form annular seal space; At least be provided with a pair of intercommunicating porosity at a side end cap or housing one end, this intercommunicating porosity is inner to be communicated with the housing inner chamber, and its outer end is interconnected.
At least be provided with 8 blades in rotating shaft, blade is 8, or is 10, or is 12, or is 16, or is 18.
The line of centers near normal of line between the described intercommunicating porosity and charging and discharging mouth, and the described relatively line of centers symmetry of two intercommunicating porosities in a pair of intercommunicating porosity; Intercommunicating porosity has a pair of, or two pairs, or three pairs, or four pairs, or five pairs.Arbitrary outer end to intercommunicating porosity is interconnected by the pipeline in the end cap, or is interconnected by the fixing connecting leg of end cap outer face.
Described elastic wear-resisting sealing material layer is fixed on the blade upper surface or/and on the lower surface, or be fixed on the blade upper surface or/and the outer rim place of lower surface, adopt fixed type bonding or welding to be connected between described elastic wear-resisting sealing material layer and the blade, or adopt the movable connection of bolt and nut or screw, on elastic wear-resisting sealing material layer or blade, be provided with and be used to adjust the bar hole of fixed position or the circular hole of some.
Described charging and discharging mouth is provided with outside flange, is provided with the mounting hole of some on this flange.
The beneficial effects of the utility model:
1. it is effective that the utility model closes wind, employing is provided with the elastic wear-resisting sealing material layer on blade, and this elastic wear-resisting sealing material layer and inner walls and end cap inwall closed contact, increase and close the wind effect, end cap is provided with double-type intercommunicating porosity, can reduce the difference of pressure of same sealing band both sides, reduce the inlet and outlet amount, adopt the blade more than 8, can form a plurality of sealing bands, increase sealing effectiveness; Be fixed with a seal disc respectively at the two ends of blade in addition, be separately installed with the elastic wear-resisting sealing material layer on blade and seal disc, make between adjacent blades and the described housing inner chamber and form annular seal space, therefore the pass wind of whole device is effective.
2. the utility model long service life, easy to maintenance, the elastic wear-resisting sealing material layer had not only resistance to worn but also frangibility not, prolong the service life of whole device greatly, the elastic wear-resisting sealing material layer is an adjustable in addition, after the wearing and tearing, only needs to adjust its installation site or change parts, be convenient to maintenance like this, reduce operating cost.
3. the utility model adopts oblong charging and discharging mouth, and its length is less than or equal to the length of blade, its width is less than or equal to the width between adjacent two blade tips, can either make full use of blade like this and carry out input and output material, can increase the leak tightness between blade and the feed inlet and outlet simultaneously again.
4. the utility model range of use is wide, is particularly useful for high pressure or vacuum storehouse and high pressure gas and carries, and can be reduced to a large amount of energy that keep high pressure or degree of vacuum and consume greatly, has favorable economic benefit.
Four. description of drawings:
Fig. 1 is one of structural representation of energy-saving low leakage air sealer
Fig. 2 is the birds-eye view of energy-saving low leakage air sealer shown in Figure 1
Fig. 3 is the back view of energy-saving low leakage air sealer shown in Figure 1
Fig. 4 is the structural representation of rotating shaft shown in Figure 1 and blade
Fig. 5 be energy-saving low leakage air sealer structural representation two
Fig. 6 is the birds-eye view of energy-saving low leakage air sealer shown in Figure 5
Fig. 7 is one of schematic cross-section of blade shown in Figure 5
Fig. 8 be blade shown in Figure 5 schematic cross-section two
Fig. 9 be blade shown in Figure 5 schematic cross-section three
Figure 10 be blade shown in Figure 5 schematic cross-section four
Figure 11 is one of schematic cross-section of seal disc shown in Figure 5
Figure 12 be seal disc shown in Figure 5 schematic cross-section two
Figure 13 be seal disc shown in Figure 5 schematic cross-section three
Figure 14 be seal disc shown in Figure 5 schematic cross-section four
Figure 15 is the schematic cross-section of blade shown in Figure 5 and seal disc
Five. the specific embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, among the figure, the rotating shaft 4 of energy-saving low leakage air sealer runs through the axial bore of cylindrical housings 1, its two ends are separately fixed on the end cap 10 and 11 at these housing two ends by shaft bearing turning mechanism, eight blades 2 are installed in rotating shaft 4, advance, discharging opening 7 and 6 is an oblong, its length is less than or equal to the length of blade 4, its width is less than or equal to the width between 4 tops of adjacent two leaves, on a side end cap 11, be provided with three pairs of intercommunicating porosities 5 at least, line between the intercommunicating porosity 5 with advance, discharging opening 7,6 line of centers near normal, and the described relatively line of centers symmetry of two intercommunicating porosities 5 in a pair of intercommunicating porosity 5, these intercommunicating porosity 5 the inners are communicated with housing 1 inner chamber, its outer end is interconnected by the pipeline that is provided with 8 in the end cap 11, outer rim at blade 4 one side surfaces is fixed with elastic wear-resisting sealing material layer 3, this elastic wear-resisting sealing material layer 3 and housing 1 inwall and end cap 10,11 inwall closed contacts.
As required, elastic wear-resisting sealing material layer 3 can be sheet rubber, or can be spring steel plate, or can be flexible plastic sheet, can adopt fixed type bonding or welding to be connected between described elastic wear-resisting sealing material layer 3 and the blade 2, or adopt the movable connection of bolt and nut or screw, and on elastic wear-resisting sealing material layer or blade, be provided with and be used for adjusting the bar hole of fixed position or the circular hole of some (figure does not draw), can adjust the position of elastic wear-resisting sealing material layer 3 like this.Charging and discharging mouth 7,6 is provided with outside flange, is provided with the mounting hole 9 of some on this flange.
During use, an end of rotating shaft 4 is connected with motor, and feed inlet and outlet 6,7 is fixed on the relevant device by mounting hole 9 respectively and gets final product.Adopt the blade more than 8, can form a plurality of sealing bands, intercommunicating porosity 5 reduces the difference of pressure of same sealing band both sides, reduces the inlet and outlet amount, increases sealing effectiveness, and therefore the pass wind of whole device is effective.
Embodiment two: present embodiment and embodiment one are basic identical, and something in common does not repeat, and difference is: the outer end of intercommunicating porosity 5 is interconnected by the fixing connecting leg of end cap 11 outer faces.Adopt fixed type bonding or welding to be connected between elastic wear-resisting sealing material layer 3 and the blade 4.
Embodiment three: present embodiment and embodiment one are basic identical, something in common does not repeat, difference is: be provided with three pairs of intercommunicating porosities 5 on housing 1 one ends at least, outer end at intercommunicating porosity 5 is interconnected by the fixing connecting leg of housing 1 outer face, and the inner of intercommunicating porosity 5 is communicated with the inner chamber of housing 1 respectively.
Embodiment four: referring to Fig. 5, Fig. 6, Fig. 7, Figure 14 and Figure 15, the representative meaning that numbering is identical with embodiment one among the figure is identical, something in common does not repeat, difference is: described sealing arrangement is made up of seal disc 12 and elastic wear-resisting sealing material layer 3, wherein two seal discs 12 are set with in the rotating shaft 4 that is fixed on blade 2 two ends, and its inboard face is fixed with the sealed at both ends of blade 2 respectively, in the strip groove that elastic wear-resisting sealing material layer 3 is installed in the annular groove that the cylindrical of two seal discs 12 is provided with respectively and blade 2 outer faces are provided with, the cross sectional shape of fixing elastic wear-resisting sealing material layer 3 is made up of the arc on the square and top of bottom on blade 2, the cross sectional shape of fixing elastic wear-resisting sealing material layer 3 is made up of the V-arrangement on the square and top of bottom respectively on two seal discs 12, elastic wear-resisting sealing material layer 3 closed contacts on blade 2 and the seal disc 12, and all, make between adjacent blades 2 and described housing 1 inner chamber and form annular seal space with the cylinder shape inner wall closed contact of housing 1.
Embodiment five: referring to Fig. 8 and Figure 12, present embodiment and embodiment four are basic identical, something in common does not repeat, difference is: cylindrical hole is arranged at the strip groove bottom that annular groove that the cylindrical of described two seal discs 12 is provided with and blade 2 outer faces are provided with, spring 13 is installed in this cylindrical hole, realizes compensating action.
Embodiment six: referring to Fig. 9, present embodiment and embodiment four are basic identical, and something in common does not repeat, and difference is: the cross sectional shape of fixing elastic wear-resisting sealing material layer 3 is for circular on blade 2.
Embodiment seven: referring to Figure 10, present embodiment and embodiment four are basic identical, and something in common does not repeat, and difference is: the cross sectional shape of fixing elastic wear-resisting sealing material layer 3 is made up of the V-arrangement on the square and top of bottom on blade 2.
Embodiment eight: referring to Figure 13, present embodiment and embodiment four are basic identical, and something in common does not repeat, and difference is: the cross sectional shape of fixing elastic wear-resisting sealing material layer 3 is for circular on seal disc 12.
Embodiment nine: referring to Figure 11, present embodiment and embodiment four are basic identical, and something in common does not repeat, and difference is: the cross sectional shape of fixing elastic wear-resisting sealing material layer 3 is made up of the arc on the square and top of bottom on runner sealing dish 12.
Embodiment ten: present embodiment and embodiment four are basic identical, and something in common does not repeat, and difference is: two seal discs 12 and blade 2 are integral structure.
Many embodiment can be formed in the material and the fixed position of the quantity of change blade, change elastic wear-resisting sealing material layer, do not describe in detail one by one at this.

Claims (10)

1. energy-saving low leakage air sealer, contain cylindrical housings, rotating shaft runs through the axial bore of cylindrical housings, its two ends are separately fixed on the end cap at these housing two ends by shaft bearing turning mechanism, in the described rotating shaft blade is installed, described housing upper and lower end is respectively equipped with the charging and discharging mouth, it is characterized in that: described charging and discharging mouth is an oblong, its length is less than or equal to the length of blade, its width is less than or equal to the width between adjacent two blade tips, and adjacent blades is by forming annular seal space between sealing arrangement and the described housing inner chamber.
2. energy-saving low leakage air sealer according to claim 1, it is characterized in that: described sealing arrangement is made up of seal disc and elastic wear-resisting sealing material layer, wherein two seal discs are set with in the rotating shaft that is fixed on the blade two ends, and its inboard face is fixed with the sealed at both ends of blade respectively, or two seal discs and blade are integral structure, on two seal discs and blade, be fixed with the elastic wear-resisting sealing material layer respectively, and at elastic wear-resisting sealing material layer fixing on the blade and elastic wear-resisting sealing material layer closed contact fixing respectively on two seal discs, the cylinder shape inner wall closed contact of described elastic wear-resisting sealing material layer and housing makes between adjacent blades and the described housing inner chamber and forms annular seal space.
3. energy-saving low leakage air sealer according to claim 2, it is characterized in that: in the annular groove that the cylindrical that described elastic wear-resisting sealing material layer is installed in two seal discs respectively is provided with and in the strip groove that is provided with of blade outer face, its cross sectional shape is made up of the arc on the square and top of bottom, or its cross sectional shape is made up of the V-arrangement on the square and top of bottom, or its cross section is circular.
4. energy-saving low leakage air sealer according to claim 3 is characterized in that: cylindrical hole is arranged at the strip groove bottom that annular groove that the cylindrical of described two seal discs is provided with and blade outer face are provided with, and in this cylindrical hole spring is installed.
5. energy-saving low leakage air sealer according to claim 1, it is characterized in that: described sealing arrangement is the elastic wear-resisting sealing material layer that is fixed on the blade, the cylinder shape inner wall of this elastic wear-resisting sealing material layer and housing and end cap inwall closed contact make between adjacent blades and the described housing inner chamber and form annular seal space; At least be provided with a pair of intercommunicating porosity on a side end cap or housing one end, this intercommunicating porosity is inner to be communicated with the housing inner chamber, and its outer end is interconnected.
6. energy-saving low leakage air sealer according to claim 5 is characterized in that: be provided with 8 blades in rotating shaft at least, blade is 8, or is 10, or is 12, or is 16, or is 18.
7. energy-saving low leakage air sealer according to claim 6 is characterized in that: the line of centers near normal of line between the intercommunicating porosity and charging and discharging mouth, and the described relatively line of centers symmetry of two intercommunicating porosities in a pair of intercommunicating porosity; Intercommunicating porosity has a pair of, or two pairs, or three pairs, or four pairs, or five pairs.
8. energy-saving low leakage air sealer according to claim 7 is characterized in that: arbitrary outer end to intercommunicating porosity is interconnected by the pipeline in the end cap, or is interconnected by the fixing connecting leg of end cap outer face.
9. according to the arbitrary described energy-saving low leakage air sealer of claim 5~8, it is characterized in that: described elastic wear-resisting sealing material layer is fixed on the blade upper surface or/and on the lower surface, or be fixed on the blade upper surface or/and the outer rim place of lower surface, adopt fixed type bonding or welding to be connected between described elastic wear-resisting sealing material layer and the blade, or adopt the movable connection of bolt and nut or screw, on elastic wear-resisting sealing material layer or blade, be provided with and be used to adjust the bar hole of fixed position or the circular hole of some.
10. energy-saving low leakage air sealer according to claim 1, it is characterized in that: the charging and discharging mouth is provided with outside flange, is provided with the mounting hole of some on this flange.
CN 200520030843 2005-06-01 2005-06-01 Energy-saving air shutting device with low-leakage Expired - Fee Related CN2793016Y (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101936651A (en) * 2010-09-20 2011-01-05 何润岚 Vacuum drying silo reduced pressure balance system
CN101628667B (en) * 2008-07-17 2012-07-11 日本球阀株式会社 Fixed quantity supply device
CN101955053B (en) * 2009-07-15 2013-03-20 朱玉玲 High-airtight anti-wear airlock
CN104085690A (en) * 2014-07-31 2014-10-08 山东省章丘鼓风机股份有限公司 Low-velocity continuous and uniform feeding rotary feeding device
CN107340156A (en) * 2017-05-22 2017-11-10 山东电力研究院 A kind of automatic raw coal sampling device and coal storage system
CN108157259A (en) * 2018-01-19 2018-06-15 邓文亮 A kind of wind gives glassware
CN109230545A (en) * 2018-07-04 2019-01-18 安徽省碧绿春生物科技有限公司 It is a kind of circumscribed streamlined to close blower
CN109650081A (en) * 2018-12-10 2019-04-19 郑州金诚信筛网设备有限公司 A kind of Blowing stopper impeller blade
CN109733815A (en) * 2019-03-01 2019-05-10 佛山市南海星耀能机电设备有限公司 A kind of Star-like unloader
CN110155749A (en) * 2019-06-25 2019-08-23 四川省星船城水泥股份有限公司 A kind of Vertical Mill revolution lock wind batcher of good damping effect

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101628667B (en) * 2008-07-17 2012-07-11 日本球阀株式会社 Fixed quantity supply device
CN101955053B (en) * 2009-07-15 2013-03-20 朱玉玲 High-airtight anti-wear airlock
CN101936651A (en) * 2010-09-20 2011-01-05 何润岚 Vacuum drying silo reduced pressure balance system
CN104085690A (en) * 2014-07-31 2014-10-08 山东省章丘鼓风机股份有限公司 Low-velocity continuous and uniform feeding rotary feeding device
CN107340156A (en) * 2017-05-22 2017-11-10 山东电力研究院 A kind of automatic raw coal sampling device and coal storage system
CN108157259A (en) * 2018-01-19 2018-06-15 邓文亮 A kind of wind gives glassware
CN109230545A (en) * 2018-07-04 2019-01-18 安徽省碧绿春生物科技有限公司 It is a kind of circumscribed streamlined to close blower
CN109650081A (en) * 2018-12-10 2019-04-19 郑州金诚信筛网设备有限公司 A kind of Blowing stopper impeller blade
CN109733815A (en) * 2019-03-01 2019-05-10 佛山市南海星耀能机电设备有限公司 A kind of Star-like unloader
CN110155749A (en) * 2019-06-25 2019-08-23 四川省星船城水泥股份有限公司 A kind of Vertical Mill revolution lock wind batcher of good damping effect
CN110155749B (en) * 2019-06-25 2021-04-06 四川省星船城水泥股份有限公司 Effectual vertical mill gyration lock wind batcher of shock attenuation

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C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Henan Marco Polo Industrial Co., Ltd.

Assignor: He Xiang

Contract record no.: 2011410000020

Denomination of utility model: Energy-saving air shutting device with low-leakage

Granted publication date: 20060705

License type: Exclusive License

Record date: 20110328

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060705

Termination date: 20100601