CN204985715U - Sealing mechanism of gas -tight body exchange - Google Patents
Sealing mechanism of gas -tight body exchange Download PDFInfo
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- CN204985715U CN204985715U CN201520099381.3U CN201520099381U CN204985715U CN 204985715 U CN204985715 U CN 204985715U CN 201520099381 U CN201520099381 U CN 201520099381U CN 204985715 U CN204985715 U CN 204985715U
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- briquetting
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- revolving part
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- sealing mechanism
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Abstract
The utility model relates to a sealing mechanism of gas -tight body exchange, include: mounting (1) connect and with rotating member (2) clearance fit receive piece (3), with rotating member (2) clearance normal running fit briquetting (4) and with rotating member (2) fixed connection's hold -down mechanism (5), briquetting (4) are through hold -down mechanism (5) to exerted pressure by piece (3), receive piece (3) to be provided with first sealing strip (3c), second sealing strip (4e) is laid to the cavity (4d) of briquetting (4), sealing of first gap (2a) that (4e) briquetting (4) and rotating member (2) outer wall shape of face become is realized to the second sealing strip, the screw rod (7a) that compresses tightly spiral (7) of hold -down mechanism (5) is exerted pressure to the face (a 4a2) of putting forth effort of briquetting (4), and briquetting (4) first sealing strip (3c) of pressing face (4a2) and receiving piece (3) through seal face (4a1) compresses tightly sealing of second gap (8) of realizing briquetting (4) and receiving piece (3) formation, the utility model discloses a simple mechanical seal mechanism has realized sealed function, has prevented that gaseous clearance through forming carries out gaseous exchange between mounting and the rotating member, prevents promptly that external gas from passing through also to prevent that the gas in the rotating member from outwards being revealed by the clearance simultaneously in the clearance gets into the rotating member.
Description
Technical field
The utility model relates to a kind of sealing mechanism of anti-gas exchanges, particularly relates to one and carries out gas exchanges for preventing gas by the gap formed between body and solid of rotation.The utility model also relates to the rotating machinery with this sealing mechanism; More particularly, the revolving furnace with this sealing mechanism is related to.
Background technique
The innovation and creation of application number 201320497216.4 disclosed on 01 29th, 2014 disclose the device of a kind of refinery sludge carbonization process and charcoal recovery, and its front end units is external-heat drier, and this dryer is provided with dryer chuck (2); Its charing unit is external heating rotary carbide furnace (3), and this rotary carbide furnace (3) is provided with rotary carbide furnace chuck (4).Oil refinery mud carries out pyrolysis charring in rotary carbide furnace, and rotary carbide furnace domestic demand keeps oxygen debt environment, and the temperature that pyrolytic carbon is is 600 ~ 650 DEG C.The body of heater of rotary carbide furnace can be rotatably set on body, and oil refinery mud carries out pyrolysis charring in rotary carbide furnace; Along with the carrying out of pyrolysis charring, oil refinery mud generation pyrolysis charring reacts, and has pyrolysis gas and produces.Fig. 1 is the schematic diagram showing this traditional mechanism, as shown in Figure 1, the body of heater 2 of rotary carbide furnace needs rotatably gap to be arranged on body 1, then will inevitably there is gap with the joint of the body 1 fixing this rotary carbide furnace in the body of heater 2 of this rotary carbide furnace, and then cause the gas in the body of heater 2 of rotary carbide furnace can flow out from the gap location between body of heater 2 and body 1, or outside air is entered in body of heater 1 by this gap.
In the using process of reality, if there is gas exchanges with the joint of body 1 in the body of heater of rotary carbide furnace 2, namely outside air enters in rotary carbide furnace by this joint, namely oxygen debt environment then in retort may be destroyed, affect the pyrolysis charring process of mud, simultaneously because the entering of air, the flammable reactive gas in pyrolysis gas may be blasted phenomenon under the effect of oxygen, there is certain potential safety hazard.
Model utility content
The purpose of this utility model is the sealing mechanism providing a kind of anti-gas exchanges, and this mechanism can carry out effective sealing to body and solid of rotation joint effectively, prevents gas from carrying out gas exchanges by the gap formed between body and solid of rotation.
In order to achieve the above object, the utility model provides a kind of sealing mechanism of anti-gas exchanges, comprising:
Be connected with fixed block and with revolving part Spielpassung by block, the briquetting be rotatably assorted with revolving part gap and the hold-down mechanism be fixedly connected with revolving part, described briquetting by hold-down mechanism to by block pressure testing; Described have first plane for compressing by block, this first plane be provided with at least one circular groove, be provided with the first Stamping Steel Ribbon in this circular groove; Described briquetting has pressure strip, along the transverse slat of pressure strip horizontal expansion with by the inflexed riser of transverse slat radius vector, described pressure strip has and to oppose the seal face and the focusing surface relative with seal face that compress by block with described; Described transverse slat and described riser surround a cavity, this cavity is used for laying the second Stamping Steel Ribbon, the face, outer ring of this second Stamping Steel Ribbon connects with the inwall of described cavity, its inner ring face contact with the outer wall of described revolving part realize surface of contact seal up this revolving part, realize the sealing in the first gap that briquetting and revolving part outer wall are formed; Described hold-down mechanism comprises and is installed in the first fixed plate of described revolving part outer surface and the compression spiral of at least one group, and this compression spiral comprises at least part of screwed screw rod; The first fixed plate is passed, the screw-cap that the direction towards seal face is arranged with elastic device, sleeve successively and is connected with screw spiral in one end of this screw rod; Described screw rod is exerted pressure to the focusing surface of briquetting, and first pressure surface of briquetting by seal face and the first Stamping Steel Ribbon by block compress and realize briquetting and the sealing by the second gap formed in block compaction process.
The utility model realizes the sealing in the first gap that briquetting and revolving part outer wall are formed, briquetting and the sealing by the second gap formed in block compaction process respectively by the form that two-stage seals.In the using process of reality, can be wholely set with fixed block by block, split can certainly arrange, can't be confined to this.Meanwhile, be set on revolving part briquetting Integral movable; One end of the screw rod of hold-down mechanism is through the first fixed plate, and the focusing surface that the other end props up briquetting is exerted pressure; Screw rod is provided with elastic device, and at this, this elastic device can be spring also can be that other can realize compressive strain and the elastic device of recoverable deformation; One end pressing spring of sleeve, the screw-cap that its other end is connected on screw rod by spiral withstands to be fixed.During work, towards the direction helical rotation nut near spring, because spring is under pressure, now sleeve moves together with the direction of spring towards Compress Spring, spring is under pressure, because the other end of spring is limited by the first fixed plate, along with the spiral of nut moves, the distortion of spring increases, and spring also increases along with the increase of camber of spring to the pressure of sleeve; Along with sleeve is subject to the pressure increase of spring, now the pressure of sleeve to nut also increases, and then screw rod is to the pressure increase of stress surface, and then realize hold-down mechanism compression briquetting, briquetting is exerted pressure to by block, and first pressure surface of briquetting by seal face and the first Stamping Steel Ribbon by block compress and realize briquetting and the sealing by the second gap formed in block compaction process; Meanwhile, first pressure surface of briquetting by seal face and the first Stamping Steel Ribbon by block compress and realize briquetting and the sealing by the second gap formed in block compaction process.Transverse slat and institute's riser surround a cavity, this cavity lays the second Stamping Steel Ribbon for sealing, the face, outer ring of this second Stamping Steel Ribbon connects with the inwall of cavity, its inner ring face contact with the outer wall of described revolving part realize surface of contact seal up this revolving part, jointly realize the sealing in the first gap that briquetting and revolving part outer wall are formed.
The utility model achieves sealing function by simple mechanical sealing mechanism, gas is prevented to carry out the exchange of gas by the gap formed between fixed block and revolving part, namely prevent extraneous gas from entering in revolving part by gap, also prevent gas in revolving part by gap to outward leakage simultaneously.
In addition, spring has auto-compensation, and auto-compensation can realize flexible sealing better.When using sealing mechanism in Sludge carbonization furnace, because the temperature in the body of heater of rotary carbide furnace is higher, body of heater can deform, body of heater utilizes the auto-compensation of spring self can regulate the distance size in the first gap and the second gap neatly after being out of shape and it is to the pressure of pressing plate, can realize sealing effect comparatively efficiently.
In addition, be expendable part for the first Stamping Steel Ribbon of sealing and the second Stamping Steel Ribbon in the utility model, along with itself wearing and tearing and consumption, its sealability can reduce; Now only need to change the first Stamping Steel Ribbon and the second Stamping Steel Ribbon, cost is low, simple to operate.
Wherein, described seal face also comprises second surface, and this second surface laterally deviates from the first pressure surface, and described second surface and the described first surface of block and the outer wall of revolving part of being subject to form first passage.The setting of first passage has many-sided effect, such as: in the process of pyrolyzing sludge or mummification, what carry out in revolving part is pyroreaction, have a large amount of gaseous substances to generate, this gaseous substance can from revolving part by the gap between body and revolving part to outward leakage, because this gap is relatively little, gaseous substance can be increased by its pressure behind this gap, and its ability revealed can strengthen; Now the gas revealed by gap can be shunted by arranging of this first passage, a gas part enters another part in this first passage and continues to march forward, now reduce the pressure of air-flow, reduce gas to the speed of outward leakage and ability, effectively can slow down the pressure of the sealing mechanism of anti-gas exchanges, better ensure sealing effect; In addition, the setting of this first passage can ensure the sealing effect of the second Stamping Steel Ribbon, seal face and the first plane compression fit by block of briquetting, sealing is realized by arranging the first Stamping Steel Ribbon between face and face, the machining accuracy arranging the face reducing pressing plate and be positioned at first passage by plate of this first passage, reduces pressing plate and the processing cost by plate.
Wherein, described first passage is provided with heat-preservation cotton.In order to better ensure that sealing effect can arrange heat-preservation cotton in first passage, the time that heat-preservation cotton can allow gas stop in first passage relatively extends thus can reduce flowing velocity and the stream pressure of air-flow, reduces the sealing load of the first Stamping Steel Ribbon.Meanwhile, the setting of heat-preservation cotton can block the temperature transmission of air-flow, prevents because of the corrosive deposit impact in the temperature of air-flow or gas and the working life by plate and Stamping Steel Ribbon.
Wherein, stagger in described first passage and be provided with the first baffle plate and second baffle and form serpentine passage.Serpentine passage extends the circulation path of air-flow, reduces the flowing velocity of air-flow, reduces the sealing load of the first Stamping Steel Ribbon further, and indirectly reduces the sealing load of the second Stamping Steel Ribbon.
Wherein, heat-preservation cotton is provided with in described serpentine passage.The time that heat-preservation cotton can allow gas stop in first passage relatively extends thus can reduce flowing velocity and the stream pressure of air-flow.
Wherein, radially direction is symmetrical for described compression spiral.Radially direction is symmetrical to compress spiral, can realize force, ensure press seal effect at multiple spot.
Wherein, also comprise the second fixed plate, the second fixed plate is installed on the outer wall of described revolving part, flushes setting with described first fixed plate, and described screw rod is through the second fixed plate.The setting of the second fixed plate can play leading role can allow hold-down mechanism work more stably simultaneously.
Wherein, the first Stamping Steel Ribbon is graphite packing, can certainly be graphite packing, asbestos packing, cotton yarn packing, ramie packing, carbon fiber packing, aramid fiber packing tetrafluoro packing etc. are suitable for motive sealing under high-temperature and high-pressure conditions.
Wherein, second Stamping Steel Ribbon is establishment packing, seal equally, this second Stamping Steel Ribbon also can be graphite packing certainly, asbestos packing, cotton yarn packing, ramie packing, carbon fiber packing, aramid fiber packing tetrafluoro packing etc. are suitable for motive sealing under high-temperature and high-pressure conditions
The purpose of this utility model is also to provide a kind of pyrolyzing sludge stove, comprise and rotate pyrolyzing furnace and fixed bin, one end of described rotation pyrolyzing furnace is stretched in described fixed bin and also can be rotated around the axis of described rotation pyrolyzing furnace, its specialization is, also comprise described gas sealing mechanism, wherein said by block be connected with described fixed block and with revolving part Spielpassung; Described briquetting and described revolving part gap are rotatably assorted; Described hold-down mechanism is fixedly connected with described revolving part.
Accompanying drawing explanation
In order to the technological scheme of the clearer explanation embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing described below is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of display revolving part and fixed block;
Fig. 2 is the structural representation of the embodiment one of the sealing mechanism of anti-gas exchanges;
Fig. 3 is the structural representation of briquetting in the sealing mechanism according to the anti-gas exchanges of embodiment one;
Fig. 4 is the structural representation of hold-down mechanism in the sealing mechanism according to the anti-gas exchanges of embodiment one.
Fig. 5 is the distributed architecture schematic diagram compressing spiral in the sealing mechanism according to the anti-gas exchanges of embodiment one in hold-down mechanism.
Fig. 6 is the structural representation of the embodiment two of the sealing mechanism of anti-gas exchanges.
Fig. 7 is the structural representation of the embodiment three of the sealing mechanism of anti-gas exchanges.
Fig. 8 is the structural representation of the rotation thermal decomposition coke oven of the sealing mechanism applied according to anti-gas exchanges of the present utility model.
Label declaration:
1. fixed block, 1a. first gas access, 1b. first gas outlet, 2. revolving part, 2a. first gap, 3. by block, 3a. first plane, 3b. circular groove, 3c. first Stamping Steel Ribbon, 4. briquetting, 4a. pressure strip, 4a1. pressure strip, 4a2. focusing surface, 4a3. second surface, 4b. transverse slat, 4c. riser, 4d. cavity, 4e. second Stamping Steel Ribbon, face, 4e1. outer ring, 4e2. inner ring face, 5. hold-down mechanism, 6. the first fixed plate, 7. compress spiral, 7a. screw rod, 7b. elastic device, 7c. sleeve, 8. the second gap, 9. first passage, 10. heat-preservation cotton, 11. first baffle plates, 12. second baffles, 13. heat-preservation cotton, 14. second fixed plates, 15. compressing guide sleeve, 16. feed auger, 17. material feeding mouths.
Embodiment
Below in conjunction with accompanying drawing, the technological scheme in the utility model embodiment is illustrated clearly and completely.
Embodiment one
Fig. 1 is the structural representation of display revolving part and fixed block; Fig. 2 is the structural representation of the embodiment one of the sealing mechanism of anti-gas exchanges; As shown in Figure 2, a kind of sealing mechanism of anti-gas exchanges, comprise to be connected with fixed block 1 and with revolving part 2 Spielpassung by block 3, the briquetting 4 be rotatably assorted with revolving part 2 gap and the hold-down mechanism 5 be fixedly connected with revolving part 2, briquetting 4 by hold-down mechanism 5 to by block 3 pressure testing; Have a first plane 3a for compressing by block 3, this first plane 3a is provided with two circular groove 3b, is provided with the first Stamping Steel Ribbon 3c in this circular groove 3b;
Fig. 3 is the structural representation of briquetting in the sealing mechanism according to the anti-gas exchanges of embodiment one; As shown in Figure 3, briquetting 4 has pressure strip 4a, along the transverse slat 4b of pressure strip 4a horizontal expansion with had by the inflexed riser 4c of transverse slat 4b radius vector, pressure strip 4a and to oppose the seal face 4a1 and the focusing surface 4a2 relative with seal face 4a1 that compress by block 3; Transverse slat 4b and riser 4c surrounds a cavity 4d, this cavity 4d is used for laying the second Stamping Steel Ribbon 4e, face, the outer ring 4e1 of this second Stamping Steel Ribbon 4e connects with the inwall of cavity 4d, its inner ring face 4e2 contacts with the outer wall of revolving part 2 and realizes the sealing of surface of contact, namely realizes the sealing of the first gap 2a that briquetting 4 is formed with revolving part 2 outer wall;
Fig. 4 is the structural representation of hold-down mechanism 5 in the sealing mechanism of anti-gas exchanges; As shown in Figure 4, hold-down mechanism 5 comprises and is installed in the first fixed plate 6 of revolving part 2 outer surface and the compression spiral 7 of at least one group, and this compression spiral 7 comprises at least part of screwed screw rod 7a; The first fixed plate 6 is passed, the screw-cap 7d that the direction towards seal face 4a1 is arranged with elastic device 7b, sleeve 7c successively and is connected with screw rod 7a spiral in one end of this screw rod 7a; Described screw rod 7a exerts pressure to the focusing surface 4a2 of briquetting 4, and the first pressure surface 4a2 of briquetting 4 by seal face 4a1 and the first Stamping Steel Ribbon 3c by block compress and realize briquetting 4 and the sealing by the second gap 8 formed in block 3 compaction process.
Fig. 5 is the distributed architecture schematic diagram compressing spiral in the sealing mechanism according to the anti-gas exchanges of embodiment one in hold-down mechanism; As shown in Figure 5, radially direction is symmetrical for described compression spiral 7.
Embodiment two
Fig. 6 is the structural representation of the embodiment two of the sealing mechanism of anti-gas exchanges.Fig. 6 is the structural representation of smoke processing system embodiment two.As shown in Figure 2, seal face 4a1 of the present invention also comprises second surface 4a3, this second surface 4a3 laterally deviates from the first pressure surface 4a2, second surface 4a2 forms first passage 9 with by the first surface 3a of block 3 and the outer wall of revolving part 2, also comprise the second fixed plate 14, second fixed plate 14 is installed on the outer wall of revolving part 2, flushes setting with the first fixed plate 6, and screw rod 7a is through the second fixed plate 14.
It should be noted that, in addition, other structures of the present embodiment can be identical with embodiment one, just need not repeat at this.
Embodiment three
Fig. 7 is the structural representation of the embodiment three of the sealing mechanism of anti-gas exchanges.As shown in Figure 7, stagger in first passage 9 of the present invention and be provided with the first baffle plate 11 and second baffle 12 forms serpentine passage.Heat-preservation cotton 13 is provided with in described serpentine passage.It should be noted that, in addition, other structures of the present embodiment can be identical with embodiment one, just need not repeat at this.
Embodiment four
Fig. 8 is the structural representation of the rotation thermal decomposition coke oven of the sealing mechanism applied according to anti-gas exchanges of the present invention.As shown in Figure 8, a kind of pyrolyzing sludge stove, comprise the body of heater 2 and fixed bin 1 that rotate pyrolyzing furnace, one end of the body of heater 2 of rotation pyrolyzing furnace is stretched in described fixed bin 1 and also can be rotated around the axis of the body of heater 2 rotating pyrolyzing furnace, also comprise the sealing mechanism of an anti-gas exchanges, wherein by block 3 be connected with fixed block 1 and with revolving part 2 Spielpassung; Briquetting 4 and body of heater 2 gap are rotatably assorted; Hold-down mechanism 5 is fixedly connected with revolving part 2.When body of heater 2 works, the axis around body of heater 2 rotates; During work, towards the direction helical rotation screw-cap 7d near spring 7b, because spring 7b is under pressure, now sleeve 7c moves towards the direction of Compress Spring together with spring 7b, spring is under pressure, because the other end of spring is limited by the first fixed plate 6, along with the spiral of screw-cap 7d moves, the distortion of spring increases, and spring also increases along with the increase of camber of spring to the pressure of sleeve; Along with sleeve 7c is subject to the pressure increase of spring, now the pressure of sleeve 7c to screw-cap 7d also increases, and then screw rod 7a is facing to the pressure increase of focusing surface 4a2, and then realize the effect that hold-down mechanism 5 compresses briquetting 4, briquetting 4 is exerted pressure to by block 3, and briquetting 4 is compressed by seal face 4a1 and the first Stamping Steel Ribbon 3c by block 3 and realizes briquetting 4 and the sealing by the second gap 8 formed in block 3 compaction process; Transverse slat 4b and riser 4c surrounds a cavity 4d, this cavity 4d lays the second Stamping Steel Ribbon 4e for sealing, the face, outer ring of this second Stamping Steel Ribbon 4e connects with the inwall of cavity 4d, its inner ring face contacts with the outer wall of described revolving part 2 and realizes the sealing of surface of contact, jointly realizes the sealing of the first gap 2a that briquetting and revolving part outer wall are formed.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the sealing mechanism utilizing anti-gas exchanges described in the utility model can be expected easily; for preventing gas from carrying out gas exchanges by the gap formed between fixed block 1 and revolving part 2, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (10)
1. a sealing mechanism for anti-gas exchanges, is characterized in that, comprising:
Be connected with fixed block (1) and with revolving part (2) Spielpassung by block (3), the briquetting (4) be rotatably assorted with revolving part (2) gap and the hold-down mechanism (5) be fixedly connected with revolving part (2), described briquetting (4) is exerted pressure to by block (3) by hold-down mechanism (5);
Described have first plane (3a) for compressing by block (3), this first plane (3a) is provided with at least one circular groove (3b), is provided with the first Stamping Steel Ribbon (3c) in this circular groove (3b);
Described briquetting (4) has pressure strip (4a), along the transverse slat (4b) of pressure strip (4a) horizontal expansion with by the inflexed riser of transverse slat (4b) radius vector (4c), described pressure strip (4a) has and to oppose the seal face (4a1) and the focusing surface (4a2) relative with seal face (4a1) that compress by block (3) with described; Described transverse slat (4b) and described riser (4c) surround a cavity (4d), this cavity (4d) is for laying the second Stamping Steel Ribbon (4e), the face, outer ring (4e1) of this second Stamping Steel Ribbon (4e) connects with the inwall of described cavity (4d), its inner ring face (4e2) contacts with the outer wall of described revolving part (2) and realizes the sealing of surface of contact, namely realizes the sealing in the first gap (2a) that briquetting (4) is formed with revolving part (2) outer wall;
Described hold-down mechanism (5) comprises and is installed in first fixed plate (6) of described revolving part (2) outer surface and the compression spiral (7) of at least one group, and this compression spiral (7) comprises at least part of screwed screw rod (7a); The first fixed plate (6) is passed, the screw-cap (7d) that the direction towards seal face (4a1) is arranged with elastic device (7b), sleeve (7c) successively and is connected with screw rod (7a) spiral in one end of this screw rod (7a); Described screw rod (7a) is exerted pressure to the focusing surface (4a2) of briquetting (4), and first pressure surface (4a2) of briquetting (4) by seal face (4a1) and the first Stamping Steel Ribbon (3c) by block compress and realize briquetting (4) and the sealing by the second gap (8) formed in block (3) compaction process.
2. the sealing mechanism of a kind of anti-gas exchanges according to claim 1, it is characterized in that, described seal face (4a1) also comprises second surface (4a3), this second surface (4a3) laterally deviates from the first pressure surface (4a2), and described second surface (4a2) forms first passage (9) with described by the first surface (3a) of block (3) and the outer wall of revolving part (2).
3. the sealing mechanism of a kind of anti-gas exchanges according to claim 2, is characterized in that, described first passage (9) is provided with heat-preservation cotton (10).
4. the sealing mechanism of a kind of anti-gas exchanges according to claim 2, is characterized in that, staggers and be provided with the first baffle plate (11) and second baffle (12) formation serpentine passage in described first passage (9).
5. the sealing mechanism of a kind of anti-gas exchanges according to claim 4, is characterized in that, is provided with heat-preservation cotton (13) in described serpentine passage.
6. the sealing mechanism of a kind of anti-gas exchanges according to claim 1, is characterized in that, radially direction is symmetrical for described compression spiral (7).
7. the sealing mechanism of a kind of anti-gas exchanges according to claim 1, it is characterized in that, also comprise the second fixed plate (14), second fixed plate (14) is installed on the outer wall of described revolving part (2), flush setting with described first fixed plate (6), described screw rod (7a) is through the second fixed plate (14).
8., according to the sealing mechanism of the arbitrary described a kind of anti-gas exchanges of claim 1 to 7, it is characterized in that, described first Stamping Steel Ribbon (3c) is graphite packing.
9. according to the sealing mechanism of the arbitrary described a kind of anti-gas exchanges of claim 1 to 7, it is characterized in that, described second Stamping Steel Ribbon (4e) is establishment packing.
10. a pyrolyzing sludge stove, comprise and rotate pyrolyzing furnace (2) and fixed bin (1), one end of described rotation pyrolyzing furnace (2) is stretched in described fixed bin (1) and also can be rotated around the axis of described rotation pyrolyzing furnace (2), it is characterized in that, also comprise the sealing mechanism of the arbitrary described anti-gas exchanges of claim 1 to 7, wherein said be connected with described fixed block (1) by block (3) and with revolving part (2) Spielpassung; Described briquetting (4) and described revolving part (2) gap are rotatably assorted; Described hold-down mechanism (5) is fixedly connected with described revolving part (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520099381.3U CN204985715U (en) | 2015-02-11 | 2015-02-11 | Sealing mechanism of gas -tight body exchange |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520099381.3U CN204985715U (en) | 2015-02-11 | 2015-02-11 | Sealing mechanism of gas -tight body exchange |
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| CN204985715U true CN204985715U (en) | 2016-01-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728448A (en) * | 2015-02-11 | 2015-06-24 | 湖州宜可欧环保科技有限公司 | Sealing mechanism preventing gas exchange |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728448A (en) * | 2015-02-11 | 2015-06-24 | 湖州宜可欧环保科技有限公司 | Sealing mechanism preventing gas exchange |
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