CN211098996U - Shaft sealing structure of reaction kettle - Google Patents

Abstract

The utility model discloses a reation kettle's axle seal structure, concretely relates to reation kettle field, including (mixing) shaft, stirring leaf and last top cap, the top fixed mounting that the outside of (mixing) shaft is located the top cap has sealed housing assembly, and the outside movable sleeve that the inside of sealed housing assembly is located the (mixing) shaft is equipped with the axle sleeve, and the inside inner chamber fixed mounting that the outside of axle sleeve is located sealed housing assembly has first sealing washer. The utility model discloses a be equipped with the axle sleeve in the (mixing) shaft outside, the axle sleeve outside is equipped with sealing washer and clamping sleeve in proper order, thereby can make reation kettle's axle can obtain relatively better sealed effect, and be equipped with sealed liquid layer externally, through pour into sealing liquid into in inside, can form the secondary seal effect, and seamless between the sealing liquid, can be better guarantee the leakproofness, be equipped with the protection brain friction in the outside, can guarantee inner structure's steadiness on the one hand, on the other hand also can prevent that the external friction from seriously causing the damage to the device.

Description

Shaft sealing structure of reaction kettle

Technical Field

The utility model relates to a reation kettle technical field, more specifically say, the utility model relates to a reation kettle's axle seal structure.

Background

The shaft seal of the reaction kettle is one of the inside of the reaction kettle and an important device thereof, and mainly aims to seal the stirring shaft inside the reaction kettle, so that the gas inside the reaction kettle can be prevented from leaking out from the gap, and meanwhile, the problem of the sealing device caused by overlarge acting force of the stirring shaft during stirring can also be prevented, and the reactant inside the reaction kettle is influenced.

The prior art has the following problems:

The existing sealing method usually adopts two sealing modes of stuffing box stuffing sealing and metal plane mechanical sealing, but when stuffing sealing is adopted, because the internal raw materials are deformed or compressed after being often extruded, the sealing effect is reduced, and the quality of reactants in a reaction kettle is affected; and adopt mechanical seal, because mechanical seal can have a lot of clearances, can only adopt the sealing washer to fill up usually, and the sealing washer can receive serious damage after using a period to lead to sealed effect to reduce, and after the sealing washer damages, when maintaining, operating procedure is comparatively loaded down with trivial details.

Therefore, the product needs to provide a shaft sealing structure of the reaction kettle.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a reation kettle's axle seal structure, through be equipped with the axle sleeve in the (mixing) shaft outside, the axle sleeve outside is equipped with sealing washer and clamping collar in proper order, thereby can make reation kettle's axle can obtain relatively better sealed effect, and be equipped with sealed liquid layer externally, through pouring into sealing liquid in inside, can form the secondary seal effect, and seamless between the sealing liquid, can be better assurance the leakproofness, be equipped with the protection brain friction in the outside, inner structure's steadiness can be guaranteed on the one hand, on the other hand also can prevent that the external friction from seriously leading to the fact the damage to the device, in order to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reation kettle's axle seal structure, includes (mixing) shaft, stirring leaf and last top cap, the top fixed mounting that the outside of (mixing) shaft is located the top cap has sealed casing subassembly, the outside movable sleeve that the inside of sealed casing subassembly is located the (mixing) shaft is equipped with the axle sleeve, the outside inner chamber fixed mounting that is located sealed casing subassembly of axle sleeve has first sealing washer, the outside fixed mounting of first sealing washer has the grip slipper, the outside inner chamber that is located sealed casing subassembly of grip slipper has seted up sealed liquid layer subassembly, the outside inner chamber fixed mounting that is located sealed casing subassembly of sealed liquid layer subassembly has the anti-corrosion coating, the top that is located sealed casing subassembly on the anti-corrosion coating has fixed subassembly.

In a preferred embodiment, the sealed housing assembly comprises a housing bottom, the bottom end of the housing bottom is fixedly provided with a supporting block which is matched with the top end of the upper top cover, and the bottom end of the supporting block is integrally formed with a protective layer.

In a preferred embodiment, the sealed liquid layer assembly comprises a sealed box, a liquid inlet is integrally formed at the top end of the sealed box, a nut is mounted on the outside of the liquid inlet in a threaded manner, and a second sealing ring is movably sleeved at the bottom end of the nut, which is located outside the liquid inlet.

In a preferred embodiment, the outer surface of the sealing box is integrally formed with an observation window, and the inside of the observation window is provided with scale marks.

In a preferred embodiment, the fixing assembly includes a fixing body, a thread groove is formed in the fixing body, a bolt adapted to the thread groove is installed in the thread groove, a screw head is integrally formed at the top end of the bolt, and a sealing gasket is movably sleeved outside the screw head.

In a preferred embodiment, the upper top cover is internally provided with a thread groove matched with the bolt.

In a preferred embodiment, the sealing liquid layer assembly is internally filled with a sealing liquid polytetrafluoroethylene plug and a glass frit insulator.

In a preferred embodiment, the material of the seal housing assembly is open high alloy white cast iron.

(III) advantageous effects

Compared with the prior art, the utility model provides a reation kettle's axle seal structure possesses following beneficial effect:

1. The utility model discloses a be equipped with the axle sleeve outside the (mixing) shaft, the axle sleeve outside is equipped with sealing washer and clamping sleeve in proper order, thereby can make the axle of reation kettle can obtain relatively better sealed effect, and is equipped with sealed liquid layer externally, through pouring into sealing liquid into in inside, can form secondary seal effect, and seamless between the sealing liquid, can be better guarantee the leakproofness, be equipped with the protection brain friction in the outside, can guarantee the steadiness of inner structure on the one hand, on the other hand also can prevent that the external friction from seriously causing the damage to the device;

2. The utility model discloses a be equipped with the observation window outside sealed liquid layer, can guarantee at any time that the staff observes inside, and be equipped with the scale interval on the observation window, can make the staff make the judgement to reation kettle's loss value, and be equipped with the inlet on sealed liquid layer top, the inlet seals through sealing washer and screw thread to can guarantee to supply internal liquid when internal liquid is not enough.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the appearance structure of the present invention.

Fig. 3 is a schematic structural diagram of the sealing housing assembly of the present invention.

Fig. 4 is a schematic structural view of the liquid-tight layer assembly of the present invention.

Fig. 5 is a schematic structural view of the fixing assembly of the present invention.

The reference signs are: 1. a stirring shaft; 2. stirring blades; 3. a top cover is arranged; 4. a sealed housing assembly; 41. A shell bottom; 42. a support block; 5. a shaft sleeve; 6. a first seal ring; 7. a clamping sleeve; 8. sealing the liquid layer assembly; 81. a sealing box; 82. a liquid inlet; 83. a nut; 84. a second seal ring; 85. an observation window; 86. scale lines; 9. an anti-corrosion layer; 10. a fixing assembly; 101. a fixed body; 102. a thread groove; 103. a bolt; 104. a screw head; 105. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a reation kettle's axle seal structure, including (mixing) shaft 1, stirring leaf 2 and last top cap 3, the top fixed mounting that top cap 3 was located in the outside of (mixing) shaft 1 has sealed casing subassembly 4, the outside movable sleeve that the inside of sealed casing subassembly 4 was located (mixing) shaft 1 is equipped with axle sleeve 5, the outside inner chamber fixed mounting that is located sealed casing subassembly 4 of axle sleeve 5 has first sealing washer 6, the outside fixed mounting of first sealing washer 6 has clamping sleeve 7, clamping sleeve 7's outside is located the inner chamber of sealed casing subassembly 4 and has seted up sealed liquid layer subassembly 8, the outside inner chamber fixed mounting that is located sealed casing subassembly 4 of sealed liquid layer subassembly 8 has anti-corrosion layer 9, the top fixed welding that is located sealed casing subassembly 4 of anti-corrosion layer 9 has fixed subassembly 10.

The technical means are adopted: the utility model discloses a be equipped with the axle sleeve outside the (mixing) shaft, the axle sleeve outside is equipped with sealing washer and clamping sleeve in proper order, thereby can make the axle of reation kettle can obtain relatively better sealed effect, and is equipped with sealed liquid layer externally, through pouring into sealing liquid into in inside, can form secondary seal effect, and seamless between the sealing liquid, can be better guarantee the leakproofness, be equipped with the protection brain friction in the outside, can guarantee the steadiness of inner structure on the one hand, on the other hand also can prevent that the external friction from seriously causing the damage to the device; the utility model discloses a be equipped with the observation window outside sealed liquid layer, can guarantee at any time that the staff observes inside, and be equipped with the scale interval on the observation window, can make the staff make the judgement to reation kettle's loss value, and be equipped with the inlet on sealed liquid layer top, the inlet seals through sealing washer and screw thread to can guarantee to supply internal liquid when internal liquid is not enough.

Referring to the attached drawing 3 of the specification specifically, the sealed housing assembly 4 includes a housing bottom 41, a supporting block 42 is fixedly mounted at the bottom end of the housing bottom 41 on the top end of the upper top cover 3, and a protective layer is integrally formed at the bottom end of the supporting block 42, so as to provide a stress point for the stirring shaft during movement and prevent the stirring shaft from damaging the reaction kettle body.

Referring to fig. 4 of the specification specifically, the sealing liquid layer assembly 8 includes a sealing box 81, a liquid inlet 82 is integrally formed at the top end of the sealing box 81, a nut 83 is installed on the external thread of the liquid inlet 82, and a second sealing ring 84 is movably sleeved outside the liquid inlet 82 at the bottom end of the nut 83, so as to supplement the sealing liquid in the sealing liquid layer assembly 8.

Referring specifically to fig. 4 of the specification, an observation window 85 is integrally formed on the outer surface of the sealing box 81, and a scale mark 86 is provided inside the observation window 85, so that the liquid inside the sealing liquid layer assembly 8 can be observed, and thus the sealing failure can be eliminated.

Referring to the accompanying drawing 5 of the specification specifically, the fixing assembly 10 includes a fixing body 101, a thread groove 102 is formed in the fixing body 101, a bolt 103 matched with the thread groove 102 is installed on an internal thread of the thread groove 102, a screw head 104 is integrally formed at a top end of the bolt 103, and a sealing gasket 105 is movably sleeved outside the screw head 104, so that the whole sealing structure can be fixed, and the sealing effect is prevented from being affected due to looseness of a sealing device caused by an acting force of a shaft in work.

Referring to the attached fig. 1 of the specification, a thread groove matched with the bolt 103 is formed inside the upper top cover 3.

Referring to the attached drawing 1 of the specification, the sealing liquid layer assembly 8 is internally filled with a sealing liquid polytetrafluoroethylene plug and a glass powder insulator.

Referring specifically to fig. 1 of the specification, the material of the seal housing assembly 4 is open high alloy white cast iron, which can increase the wear resistance and corrosion resistance of the device, thereby increasing the service life thereof.

When the device works, firstly, the shaft sleeve 5, the first sealing ring 6 and the clamping sleeve 7 are arranged outside the stirring shaft 1, then sealing liquid is added into the sealing box 81 from the liquid inlet 82, meanwhile, the height of the liquid inside is observed from the scale mark 86 on the observation window 85, and after the liquid is added to a proper amount, the device is screwed through the nut 83 and the second sealing ring 84;

Then, the bolt 103 is placed in the groove where the thread groove 102 is located, and then the bolt is screwed through the screw head 104;

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

Secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a reation kettle's axle seal structure, includes (mixing) shaft (1), stirring leaf (2) and goes up top cap (3), its characterized in that: a sealed shell component (4) is fixedly arranged at the top end of the upper top cover (3) outside the stirring shaft (1), a shaft sleeve (5) is movably sleeved inside the sealed shell component (4) and outside the stirring shaft (1), a first sealing ring (6) is fixedly arranged outside the shaft sleeve (5) in the inner cavity of the sealing shell component (4), a clamping sleeve (7) is fixedly arranged outside the first sealing ring (6), the outer part of the clamping sleeve (7) is positioned in the inner cavity of the sealed shell component (4) and is provided with a sealed liquid layer component (8), an anti-corrosion layer (9) is fixedly arranged outside the sealing liquid layer assembly (8) and in the inner cavity of the sealing shell assembly (4), the top end of the anti-corrosion layer (9) is positioned at the top of the sealed shell component (4) and is fixedly welded with a fixing component (10).

2. The shaft seal structure of a reaction kettle according to claim 1, characterized in that: the sealing shell component (4) comprises a shell bottom (41), the bottom end of the shell bottom (41) is positioned at the top end of the upper top cover (3) and is fixedly provided with a supporting block (42) matched with the shell bottom, and the bottom end of the supporting block (42) is integrally formed with a protective layer.

3. The shaft seal structure of a reaction kettle according to claim 1, characterized in that: the sealing liquid layer assembly (8) comprises a sealing box (81), a liquid inlet (82) is integrally formed at the top end of the sealing box (81), a nut (83) is installed on the external thread of the liquid inlet (82), and a second sealing ring (84) is movably sleeved outside the liquid inlet (82) at the bottom end of the nut (83).

4. A shaft seal structure of a reaction kettle according to claim 3, characterized in that: an observation window (85) is integrally formed on the outer surface of the sealing box (81), and scale marks (86) are arranged inside the observation window (85).

5. The shaft seal structure of a reaction kettle according to claim 1, characterized in that: the fixing component (10) comprises a fixing body (101), a thread groove (102) is formed in the fixing body (101), a bolt (103) matched with the thread groove (102) is installed on the inner thread of the thread groove, a screw head (104) is integrally formed at the top end of the bolt (103), and a sealing gasket (105) is movably sleeved outside the screw head (104).

6. The shaft seal structure of a reaction kettle according to claim 1, characterized in that: and a thread groove matched with the bolt (103) is formed in the upper top cover (3).

7. The shaft seal structure of a reaction kettle according to claim 1, characterized in that: and a sealing liquid polytetrafluoroethylene plug and a glass powder insulator are filled in the sealing liquid layer assembly (8).

8. The shaft seal structure of a reaction kettle according to claim 1, characterized in that: the sealing shell component (4) is made of open high alloy white cast iron.

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