CN208824493U

CN208824493U - A kind of sealing device for stainless steel chemical industry reaction kettle

Info

Publication number: CN208824493U
Application number: CN201821504837.XU
Authority: CN
Inventors: 林美真
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-14
Filing date: 2018-09-14
Publication date: 2019-05-07
Anticipated expiration: 2028-09-14

Abstract

The utility model discloses a kind of sealing devices for stainless steel chemical industry reaction kettle, including shaft, the shaft is that upper end is connected to motor, shaft sequentially passes through upper end cover from top to bottom, cooling tube, lower cover and bracket, and the lower end of shaft passes through kettle cover and extends to tank interior, the lower end of the motor is mounted on the upper surface of upper end cover, the middle position of the upper end cover upper and lower end face is provided with aperture, and the inner wall of the aperture is through there is shaft, and the junction of upper end cover and shaft is equipped with first bearing, upper end cover is internally provided with connection ring, the lower end of upper end cover is socketed in the upper end of cooling tube, the utility model passes through the seal operation to each junction realization different modes, so that being in sealing state inside reaction kettle, improve the effect of stainless steel chemical reaction, avoid the influence of outer bound pair reaction process, simultaneously Improve service life of the part under reactiveness, practical value with higher.

Description

A kind of sealing device for stainless steel chemical industry reaction kettle

Technical field

The utility model relates to the sealing device technical fields of reaction kettle, specially a kind of to be used for stainless steel chemical industry reaction kettle Sealing device.

Background technique

The broad understanding of reaction kettle has the container physically or chemically reacted, is designed by the structure to container and is matched with parameter It sets, realizes the mixed function for heating, evaporation, cooling and the low high speed that technique requires.

Reaction kettle is widely used in petroleum, chemical industry, rubber, pesticide, dyestuff, medicine, food, for complete vulcanization, nitrification, Pressure vessel of the technical process such as hydrogenation, hydrocarbonylation, polymerization, condensation, such as reactor, reaction pot, decomposition pot, polymeric kettle etc.；Material Matter generally has carbon manganese steel, stainless steel, zirconium, Ni-based (Kazakhstan, Monel, inconel) alloy and other composite materials.

In stainless steel chemical reaction, the inside of reaction kettle is needed to be in the space of high temperature and pressure sealing, to reactant When being stirred, reactant can be overflowed with the gap of shaft and kettle cover, and the junction between kettle cover and tank body There are gaps, are easy to happen and expand with heat and contract with cold in the environment of high pressure-temperature, the high temperature stimulation gas leakage for causing reaction to generate.

Utility model content

It is above-mentioned to solve the purpose of this utility model is to provide a kind of sealing device for stainless steel chemical industry reaction kettle The problem of being proposed in background technique.

To achieve the above object, the utility model provides the following technical solutions:

A kind of sealing device for stainless steel chemical industry reaction kettle, including shaft, the shaft are that upper end is connected to motor, Shaft sequentially passes through upper end cover, cooling tube, lower cover and bracket from top to bottom, and the lower end of shaft passes through kettle cover and extends to tank Internal portion, the lower end of the motor are mounted on the upper surface of upper end cover, and the middle position of the upper end cover upper and lower end face is provided with Aperture, and the inner wall of the aperture is through there is a shaft, and the junction of upper end cover and shaft is equipped with first bearing, upper end cover it is interior Portion is provided with connection ring, and the lower end of upper end cover is socketed in the upper end of cooling tube, and the connection ring is mounted on the outer wall of shaft, described The inner wall of cooling tube is provided with pipeline, and the upper end of the pipeline is connected by water outlet with water source, the lower end of the pipeline and water inlet Mouth connection, and the lower end surface of cooling tube is equipped with stationary ring, the lower end of the stationary ring is equipped with restrictor ring, the lower end setting of restrictor ring There is one layer of rubber washer, the outer wall of the rubber washer is socketed in the inside of lower cover, and the lower cover is solid by connection bolt It is scheduled on the upper surface of bracket, the lower end of the bracket is welded on the upper surface of kettle cover, and the inside of bracket is set with shaft junction It is equipped with second bearing, the kettle cover is fixedly connected with tank body by clamping screw, and sealing ring is provided between kettle cover and tank body, Spring is provided between the clamping screw and kettle cover, the spring is socketed in the outer wall of clamping screw.

Preferably, valve is provided on the pipeline of the water outlet and water inlet.

Preferably, the outer wall of the stationary ring, restrictor ring and rubber washer is fitted closely with lower cover.

Preferably, movable block is provided on the inside of the lower cover, the inner wall of lower cover is run through in one end of the movable block, And the end face of movable block is against the outer wall of restrictor ring, the other end of movable block is fixed by screws in the upper surface of lower cover.

Compared with prior art, the utility model has the beneficial effects that the utility model passes through the company in shaft and kettle cover The cooperation for connecing place's setting restrictor ring, stationary ring and rubber washer, so that shaft during high speed rotation, is kept off by rubber washer The firmly splashing of most of reactant realizes shaft and extraneous sealing by stationary ring, realizes that the inner wall of stationary ring is tight by link block The closely connected outer wall for closing shaft realizes the sealing between lower cover by restrictor ring, so that shaft junction seals；Pass through Sealing ring is set between kettle cover and tank body, so that being tightly connected between kettle cover and tank body, and is arranged in the outer wall of bolt and is socketed Spring, when generation sealing ring expands with heat and contract with cold, spring can generate buffer function to the fastening effect of bolt；It is cold by being arranged But it manages, in the way of water cooling, the shaft of high temperature is cooled down, avoid the high temperature deformation of shaft and the influence to bearing, The service life for improving apparatus parts realizes stationary ring by link block.Compared with prior art, the utility model passes through to each The seal operation of different modes is realized in a junction, so that being in sealing state inside reaction kettle, it is anti-to improve stainless steel chemical industry The effect answered, avoids the influence of outer bound pair reaction process, while improving service life of the part under reactiveness, has Higher practical value.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the partial enlarged view of the utility model.

In figure: 1 motor, 2 shafts, 3 first bearings, 4 upper end covers, 5 connection rings, 6 cooling tubes, 7 water outlets, 8 water inlets, 9 Lower cover, 10 brackets, 11 second bearings, 12 connection bolts, 13 kettle covers, 14 tank bodies, 15 clamping screws, 16 springs, 17 sealings Circle, 18 restrictor rings, 19 stationary rings, 20 movable blocks, 21 rubber washers.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2:

A kind of sealing device for stainless steel chemical industry reaction kettle, including shaft 2, shaft 2 are that upper end is connect with motor 1, Shaft 2 sequentially passes through upper end cover 4, cooling tube 6, lower cover 9 and bracket 10 from top to bottom, and the lower end of shaft 2 passes through kettle cover 13 And extend to inside tank body 14, the lower end of motor 1 is mounted on the upper surface of upper end cover 4, the interposition of 4 upper and lower end face of upper end cover It installs and is equipped with aperture, and the inner wall of the aperture is through there is a shaft 2, and the junction of upper end cover 4 and shaft 2 is equipped with first bearing 3, upper end cover 4 is internally provided with connection ring 5, and the lower end of upper end cover 4 is socketed in the upper end of cooling tube 6, and connection ring 5, which is mounted on, to be turned The outer wall of axis 2.

The inner wall of cooling tube 6 is provided with pipeline, and the upper end of the pipeline is connected by water outlet 7 with water source, the pipeline Lower end is connected to water inlet 8, is provided with valve on the pipeline of water outlet 7 and water inlet 8, to regulating water flow, and is cooled down The lower end surface of pipe 6 is equipped with stationary ring 19, is cooled down the shaft 2 of high temperature in the way of water cooling by the way that cooling tube 6 is arranged, Avoid the high temperature deformation of shaft 2 and the influence to bearing.

The lower end of stationary ring 19 is equipped with restrictor ring 18, and the lower end of restrictor ring 18 is provided with one layer of rubber washer 21, rubber pad The outer wall of circle 21 is socketed in the inside of lower cover 9, the upper surface that lower cover 9 is fixed on bracket 10 by connecting bolt 12, stationary ring 19, the outer wall of restrictor ring 18 and rubber washer 21 is fitted closely with lower cover 9.

The lower end of bracket 10 is welded on the upper surface of kettle cover 13, and the inside of bracket 10 and 2 junction of shaft are provided with the Two bearings 11, kettle cover 13 is fixedly connected with tank body 14 by clamping screw 15, and sealing is provided between kettle cover 13 and tank body 14 Circle 17, is provided with spring 16, spring 16 is socketed in the outer wall of clamping screw 15 between clamping screw 15 and kettle cover 13.

The inside of lower cover 9 is provided with movable block 20, and the inner wall of lower cover 9, and movable block are run through in one end of movable block 20 20 end face is against the outer wall of restrictor ring 18, and the other end of movable block 20 is fixed by screws in the upper surface of lower cover 9.

Working principle: first with the junction of shaft 2 and kettle cover 13 setting restrictor ring 18, stationary ring 19 and rubber washer 21 Cooperation, realize shaft 2 and extraneous sealing；The splashing that most of reactant is blocked by rubber washer 21, passes through link block The inner wall of 20 realization stationary rings 19 fits closely the outer wall of shaft 2, realizes the sealing between lower cover 9 by restrictor ring 18.

Sealing ring is arranged using between kettle cover 13 and tank body 14 in sealing for junction between kettle cover 13 and tank body 14 17, so that being tightly connected between kettle cover 13 and tank body 14, and socket spring 16 is set in the outer wall of clamping screw 15, it is close when occurring When seal 17 is expanded with heat and contract with cold, spring 16 can generate buffer function to the fastening effect of clamping screw 15.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of sealing device for stainless steel chemical industry reaction kettle, including shaft (2), it is characterised in that: the shaft (2) is Upper end is connect with motor (1), and shaft (2) sequentially passes through upper end cover (4), cooling tube (6), lower cover (9) and bracket from top to bottom (10), and the lower end of shaft (2) passes through kettle cover (13) and extends to tank body (14) inside, and the lower end of the motor (1) is mounted on The middle position of the upper surface of upper end cover (4), upper end cover (4) upper and lower end face is provided with aperture, and the inner wall of the aperture passes through It is installed with shaft (2), and the junction of upper end cover (4) and shaft (2) is equipped with first bearing (3), the inside setting of upper end cover (4) Have connection ring (5), the lower end of upper end cover (4) is socketed in the upper end of cooling tube (6), and the connection ring (5) is mounted on shaft (2) The inner wall of outer wall, the cooling tube (6) is provided with pipeline, and the upper end of the pipeline is connected by water outlet (7) with water source, the pipe The lower end in road is connected to water inlet (8), and the lower end surface of cooling tube (6) is equipped with stationary ring (19), the lower end of the stationary ring (19) Be equipped with restrictor ring (18), the lower end of restrictor ring (18) is provided with one layer of rubber washer (21), the rubber washer (21) it is outer Wall is socketed in the inside of lower cover (9), and the lower cover (9) is fixed on the upper surface of bracket (10) by connection bolt (12), The lower end of the bracket (10) is welded on the upper surface of kettle cover (13), and the inside of bracket (10) and shaft (2) junction are arranged Have second bearing (11), the kettle cover (13) is fixedly connected with tank body (14) by clamping screw (15), and kettle cover (13) and tank It is provided between body (14) sealing ring (17), is provided with spring (16) between the clamping screw (15) and kettle cover (13), it is described Spring (16) is socketed in the outer wall of clamping screw (15).

2. a kind of sealing device for stainless steel chemical industry reaction kettle according to claim 1, it is characterised in that: it is described go out Valve is provided on the pipeline of the mouth of a river (7) and water inlet (8).

3. a kind of sealing device for stainless steel chemical industry reaction kettle according to claim 1, it is characterised in that: described quiet The outer wall of ring (19), restrictor ring (18) and rubber washer (21) is fitted closely with lower cover (9).

4. a kind of sealing device for stainless steel chemical industry reaction kettle according to claim 1, it is characterised in that: under described It is provided on the inside of end cap (9) movable block (20), the inner wall of lower cover (9) is run through in one end of the movable block (20), and mobile The end face of block (20) is against the outer wall of restrictor ring (18), and the other end of movable block (20) is fixed by screws in lower cover (9) Upper surface.