CN105090517A - Mechanical sealing device and method for hydrogenation reaction still - Google Patents
Mechanical sealing device and method for hydrogenation reaction still Download PDFInfo
- Publication number
- CN105090517A CN105090517A CN201510585075.5A CN201510585075A CN105090517A CN 105090517 A CN105090517 A CN 105090517A CN 201510585075 A CN201510585075 A CN 201510585075A CN 105090517 A CN105090517 A CN 105090517A
- Authority
- CN
- China
- Prior art keywords
- hydrogenation reaction
- flange
- reaction kettle
- bearing
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/03—Pressure vessels, or vacuum vessels, having closure members or seals specially adapted therefor
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention discloses a mechanical sealing device for a hydrogenation reaction still. The device comprises a mechanical seal shaft, an installation device, flanges, sealing gaskets, a bearing cap, a bearing seat, upper stationary ring bases and sealing cavities, wherein the mechanical seal shaft is provided with the flanges, the sealing gaskets, the bearing cap, the bearing seat, the upper stationary ring bases and the sealing cavities, the bearing cap is connected with the bearing seat through a screw, and the bearing seat, the upper stationary ring bases and the sealing cavities are connected through studs and nuts; each flange under the corresponding sealing cavity is also connected with the sealing cavity through studs and nuts, and the sealing gaskets in contact with the hydrogenation reaction still are arranged under the flanges; a coupler on the upper side of the mechanical seal shaft is used for being connected with a speed reducer, and a lower flange on the lower side of the mechanical seal shaft is used for being connected with a stirring shaft. The whole device is fixed to the hydrogenation reaction still through the flanges and the sealing gaskets. The device is reasonable in design, simple in structure, and resistant to high temperature, corrosion and high pressure.
Description
Technical field
The present invention relates to a kind of mechanical seal device, particularly a kind of mechanical seal device for hydrogenation reaction kettle and encapsulating method.
Background technique
Along with science and technology constantly develops, chemical industry is constantly progress also; Under the prerequisite realizing sustainable development, chemical industry must ensure free from environmental pollution, develops enterprise based on energy saving.Particularly hydrogenation reaction kettle, hydrogenation reaction kettle is mainly used in the application such as various catalytic reaction, HP-HT synthesize, hydrogenation reaction, gas-liquid two-phase, liquid-liquid diphase, exothermic reaction, composition test, stability, erosion test, retrofit, overcritical reflection, evaluating catalyst and development, is mainly distributed in the fields such as petrochemical industry, chemistry, pharmacy, Synthesis of polymers, metallurgy; Therefore the mechanical seal device of hydrogenation reaction kettle requires also very high.Because the medium in reaction has inflammable and explosive property, so it can not be allowed to leak in air, therefore very high to the requirement of mechanical seal, can not only anticorrosion, high temperature high voltage resistant, also must have safe and reliable, prevent the feature of dielectric leakage.
For meeting These characteristics, the present invention provides a kind of mechanical seal device of hydrogenation reaction kettle at this.
Summary of the invention
The object of the invention is to the mechanical seal device that a kind of hydrogenation reaction kettle is provided at this, this apparatus design is reasonable, easy for installation, can effectively prevent inflammable and explosive dielectric leakage in hydrogenation reaction kettle in air, simultaneously can prevent medium from corroding and breaking plant device, also ability high temperature and high pressure in the process of medium reaction; The reliability that the present invention uses is high, ensure that the integrity of staff and mechanical device.
The present invention is achieved in that the mechanical seal device constructing a kind of hydrogenation reaction kettle comprises machine envelope axle, the flange that erecting device and the machine that is installed on are sealed up, sealing gasket, bearing cap, bearing support, upper stationary seat and Seal cage; Wherein bearing cap is connected with bearing support by screw, bearing support, upper stationary seat are connected with nut by stud with Seal cage, flange below Seal cage is also attached thereto by stud and nut, is the sealing gasket contacted with hydrogenation reaction kettle in the below of flange; Static components is provided with, pressure ring, moving ring assembly, driving pin, lower spring cup, upper spring seat, transmission screw, axle sleeve and locknut in the cavity of described Seal cage; Wherein static components is mosaic structure, is separately fixed on flange and upper stationary seat by stop pin and pressure ring; Wherein moving ring assembly also adopts mosaic structure, and upper moving ring assembly is connected with upper spring seat by transmission screw, and upper spring seat is connected with axle sleeve by Cock screw, and axle sleeve is fixed on machine by locknut and driving pin and seals axle; Lower moving ring assembly is connected with lower spring cup by driving pin, and lower spring cup is fixed on axle sleeve by Cock screw, and upper and lower rotating ring is all rotated by the rotation of axle.Can pass into sealing fluid in the cavity of Seal cage, pass into the lubrication of sealing fluid one side increase sealing surface, taken away the frictional heat of sealing surface on the other hand, improve the operation conditions of machine envelope by the circulation of sealing fluid, prolongation machine seals working life.
According to the mechanical seal device of a kind of hydrogenation reaction kettle of the present invention, erecting device comprises the suspension ring be arranged on bearing cap and the roll wheel assembly be arranged on bearing support.Design and installation device is because the weight of whole seal arrangement is very heavy, considers when suspension ring are easy for installation and maintenance and lifts by crane; Devise roller combination, be convenient to the turnover frame track load-bearing of whole seal arrangement and slide simultaneously.
According to the mechanical seal device of a kind of hydrogenation reaction kettle of the present invention, it is characterized in that: bearing support and flange are provided with cooling chamber, and be provided with the cooling water inlet and coolant outlet that communicate with cooling chamber.Offering cooling chamber and cooling water outlet mouth and water inlet is because hydrogenation reaction kettle belongs to High Temperature High Pressure, therefore in the cooling chamber that flange and bearing place increase, draws the ambient temperature in cooling water reduction device outward, accelerates the heat radiation to bearing; Improving device Environmental Conditions, the working life of extension fixture.
According to the mechanical seal device of a kind of hydrogenation reaction kettle of the present invention, it is characterized in that: machine envelope shaft end is provided with the coupling for connection reducer, the bottom of machine envelope axle is provided with the lower flange be connected with stirring shaft.Coupling above machine envelope axle, is used for connecting speed reducer, and the lower flange below machine envelope axle, for connecting stirring shaft, whole device is fixed by flange, sealing gasket and hydrogenation reaction kettle.
According to the mechanical seal device of a kind of hydrogenation reaction kettle of the present invention, it is characterized in that: be arranged on bearing support middle (center) bearing and adopt dual bearing structure.Effect is that bearing adopts dual bearing structure, and bear most axial force and radial force, the running environment that machine is sealed is improved greatly, is also the useful working life extending machine envelope.
A kind of machinery seal method of hydrogenation reaction kettle, it is characterized in that: realize cooling by cooling water inlet and coolant outlet, circulate in cooling chamber respectively in flange and the cooling chamber in bearing support, reduce the ambient temperature in device, accelerate the heat radiation to bearing; Improving device Environmental Conditions, the working life of extension fixture; Sealing fluid is circulated in the cavity of Seal cage by sealingfluid inlet and seal fluid outlet, sealing fluid increases the lubrication of sealing surface on the one hand, taken away the frictional heat of sealing surface on the other hand by the circulation of sealing fluid, improve the operation conditions of mechanical seal, extend machine and seal working life.
Tool of the present invention has the following advantages:
Advantage one: the present invention is reasonable in design, mechanism is ingenious, is facilitated installation and the maintenance of whole mechanical seal device by design and installation assembly; Such as: the suspension ring on bearing cap and the roll wheel assembly be arranged on bearing support.
Advantage two: the present invention is by reasonably designing cooling chamber and cooling channel, achieve whole mechanical seal device can be in good temperature environment and work, ensure that the present invention has good sealing and reliability, also extend working life of the present invention simultaneously; Such as: in the cavity of Seal cage, can sealing fluid be passed into, pass into the lubrication that sealing fluid increases sealing surface on the one hand, taken away the frictional heat of sealing surface on the other hand by the circulation of sealing fluid, improve the operation conditions of mechanical seal, extend machine and seal working life; Be provided with cooling chamber at bearing support and flange, and be provided with the cooling water inlet and coolant outlet that communicate with cooling chamber.
Advantage three: the present invention applies in hydrogenation reaction kettle, well prevents inflammable and explosive dielectric leakage in hydrogenation reaction kettle in air, can prevent medium from corroding and breaking plant device simultaneously, also ability high temperature and high pressure in the process of medium reaction; The reliability that the present invention uses is high, ensure that the integrity of staff and mechanical device.
Accompanying drawing explanation
Fig. 1 is sectional view of the present invention
Fig. 2 is the enlarged diagram of A in Fig. 1
In figure: 1, coupling; 2, suspension ring; 3, roll wheel assembly; 4, stud; 5, nut; 6, flange; 7, sealing gasket; 8, machine envelope axle; 9, lower flange; 10, cooling chamber; 11, fastening screw trip bolt; 12, Seal cage; 13, upper stationary seat; 14, cooling chamber; 15, bearing support; 16, bearing cap; 17, dual bearing structure; 18, locknut; 19, driving pin; 20, axle sleeve; 21, transmission screw; 22, upper spring seat; 23, lower spring cup; 24, driving pin; 25, moving ring assembly; 26, static components; 27, pressure ring; 28, stop pin.
Embodiment
Below in conjunction with accompanying drawing 1-2, the present invention is described in detail, is clearly and completely described the technological scheme in the embodiment of the present invention, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1-2, the present invention provides a kind of mechanical seal device of hydrogenation reaction kettle at this, comprises machine envelope axle 8, the flange 6 that erecting device and the machine that is installed on are sealed up, sealing gasket 7, bearing cap 16, bearing support 15, upper stationary seat 13 and Seal cage 12; Wherein bearing cap 16 is connected with bearing support 15 by screw, bearing support 15, upper stationary seat 13 are connected with nut by stud with Seal cage 12, flange 6 below Seal cage 12 is also attached thereto by stud and nut, is the sealing gasket contacted with hydrogenation reaction kettle in the below of flange; Static components 26 is provided with, pressure ring 27, moving ring assembly 25, driving pin 24, lower spring cup 23, upper spring seat 22, transmission screw 21, axle sleeve 20 and locknut 18 in the cavity of described Seal cage 12; Wherein static components 26 is mosaic structure, is separately fixed on flange 6 and upper stationary seat 13 by stop pin 28 and pressure ring 27; Wherein moving ring assembly 25 also adopts mosaic structure, and upper rotating ring is connected with upper spring seat 22 by transmission screw 21, and upper spring seat 22 is connected with axle sleeve 20 by Cock screw 11, and axle sleeve 20 is fixed on machine by locknut 18 and driving pin 19 and seals axle 8; Lower rotating ring is connected with lower spring cup 23 by driving pin 24, and lower spring cup 23 is fixed on axle sleeve by Cock screw 11, and upper and lower rotating ring is all rotated by the rotation of axle.
According to the mechanical seal device of a kind of hydrogenation reaction kettle of the present invention, erecting device comprises the suspension ring 2 be arranged on bearing cap 16 and the roll wheel assembly 3 be arranged on bearing support.
According to the mechanical seal device of a kind of hydrogenation reaction kettle of the present invention, bearing support 15 and flange 6 are provided with cooling chamber (10,14), and are provided with the cooling water inlet and coolant outlet that communicate with cooling chamber (10,14).
According to the mechanical seal device of a kind of hydrogenation reaction kettle of the present invention, machine envelope axle 8 end is provided with the coupling 1 for connection reducer, and the bottom of machine envelope axle 8 is provided with the lower flange 9 be connected with stirring shaft.
According to the mechanical seal device of a kind of hydrogenation reaction kettle of the present invention, be arranged on bearing support 15 middle (center) bearing and adopt dual bearing structure 17.
As shown in Figure 1, machine envelope axle 8 upper end of the present invention is connected with retarder by coupling 1, and the lower end of machine envelope axle 8 is connected with stirring shaft by lower flange 9; Again by the bolt hole on flange 6 and sealing gasket 7 directly and hydrogenation reaction kettle fix, in the process run, cooling is realized by cooling water inlet and coolant outlet, circulate in cooling chamber 10 respectively in flange 6 and the cooling chamber 14 in bearing support 15, reduce the ambient temperature in device, accelerate the heat radiation to bearing; Improving device Environmental Conditions, the working life of extension fixture; Sealing fluid is circulated in the cavity of Seal cage 12 by sealingfluid inlet and seal fluid outlet, sealing fluid increases the lubrication of sealing surface on the one hand, taken away the frictional heat of sealing surface on the other hand by the circulation of sealing fluid, improve the operation conditions of mechanical seal, extend machine and seal working life.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a mechanical seal device for hydrogenation reaction kettle, is characterized in that: comprise machine envelope axle (8), the flange (6) that erecting device and machine are sealed up, sealing gasket (7), bearing cap (16), bearing support (15), upper stationary seat (13) and Seal cage (12); Wherein bearing cap (16) is connected with bearing support (15) by screw, bearing support (15), upper stationary seat (13) are connected with nut by stud with Seal cage (12), also being attached thereto by stud and nut at the flange (6) of Seal cage (12) below, is the sealing gasket contacted with hydrogenation reaction kettle in the below of flange; Static components (26) is provided with, pressure ring (27), moving ring assembly (25), driving pin (24), lower spring cup (23), upper spring seat (22), transmission screw (21), axle sleeve (20) and locknut (18) in the cavity of described Seal cage (12); Wherein static components (26) is mosaic structure, then by stop pin (28) and pressure ring (27) be separately fixed at flange (6) with and upper stationary seat (13) on; Wherein moving ring assembly (25) also adopts mosaic structure, upper rotating ring is connected with upper spring seat (22) by transmission screw (21), upper spring seat (22) is connected with axle sleeve (20) by Cock screw (11), and axle sleeve (20) is fixed on machine by locknut (18) and driving pin (19) and seals axle (8); Lower rotating ring is connected with lower spring cup (23) by driving pin (24), and lower spring cup (23) is fixed on axle sleeve (20) by Cock screw (11), and upper and lower rotating ring is all rotated by the rotation of axle.
2. the mechanical seal device of a kind of hydrogenation reaction kettle according to claim 1, is characterized in that: erecting device comprises the suspension ring (2) be arranged on bearing cap (16) and the roll wheel assembly (3) be arranged on bearing support.
3. the mechanical seal device of a kind of hydrogenation reaction kettle according to claim 1, it is characterized in that: bearing support (15) and flange (6) are provided with cooling chamber (10,, and be provided with the cooling water inlet and coolant outlet that communicate with cooling chamber (10,14) 14).
4. the mechanical seal device of a kind of hydrogenation reaction kettle according to claim 1, it is characterized in that: machine envelope axle (8) end is provided with the coupling (1) for connection reducer, and the bottom of machine envelope axle (8) is provided with the lower flange (9) be connected with stirring shaft.
5. the mechanical seal device of a kind of hydrogenation reaction kettle according to claim 1, is characterized in that: be arranged on bearing support (15) middle (center) bearing and adopt dual bearing structure (17).
6. the machinery seal method of a hydrogenation reaction kettle, it is characterized in that: realize cooling by cooling water inlet and coolant outlet, circulate in cooling chamber (10) respectively in flange (6) and the cooling chamber 14 in bearing support (15), reduce the ambient temperature in device, accelerate the heat radiation to bearing; Improving device Environmental Conditions, the working life of extension fixture; Sealing fluid is circulated in the cavity of Seal cage (12) by sealingfluid inlet and seal fluid outlet, sealing fluid increases the lubrication of sealing surface on the one hand, taken away the frictional heat of sealing surface on the other hand by the circulation of sealing fluid, improve the operation conditions of mechanical seal, extend machine and seal working life.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585075.5A CN105090517A (en) | 2015-09-14 | 2015-09-14 | Mechanical sealing device and method for hydrogenation reaction still |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585075.5A CN105090517A (en) | 2015-09-14 | 2015-09-14 | Mechanical sealing device and method for hydrogenation reaction still |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105090517A true CN105090517A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510585075.5A Pending CN105090517A (en) | 2015-09-14 | 2015-09-14 | Mechanical sealing device and method for hydrogenation reaction still |
Country Status (1)
| Country | Link |
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| CN (1) | CN105090517A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448609A (en) * | 2017-08-25 | 2017-12-08 | 洛阳栾川钼业集团股份有限公司 | A kind of sealing device for high pressure Leach reaction kettle |
| CN108211993A (en) * | 2018-03-18 | 2018-06-29 | 唐山山岛石油化学有限公司 | The liquid phase medium coolant seal mechanism of high-temperature pressure-reduction stirring container |
| CN108246139A (en) * | 2016-12-28 | 2018-07-06 | 上海沃迪自动化装备股份有限公司 | A kind of agitating device with mechanical seal cooling |
| CN109630686A (en) * | 2018-12-21 | 2019-04-16 | 中化蓝天氟材料有限公司 | A kind of combination sealing system of reaction kettle agitating shaft and its application |
| WO2019209159A1 (en) * | 2018-04-25 | 2019-10-31 | Scania Cv Ab | Sealing arrangement, hydrodynamic machine, and vehicle |
| CN111249995A (en) * | 2018-11-30 | 2020-06-09 | 中昊晨光化工研究院有限公司 | Reaction kettle mechanical seal pressurization protection device and protection method |
| CN112856086A (en) * | 2021-03-18 | 2021-05-28 | 中国航发沈阳发动机研究所 | Aperture-adjustable throttling orifice plate |
| CN113324035A (en) * | 2021-06-07 | 2021-08-31 | 台州海辰科技有限公司 | Shaft lever mechanical sealing mechanism of high-temperature and high-pressure mixer for plastic production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0258910A2 (en) * | 1983-09-29 | 1988-03-09 | Bw/Ip International Inc. | Improved mechanical seal |
| CN102359595A (en) * | 2011-09-19 | 2012-02-22 | 宁波东联密封件有限公司 | Mechanical seal for agitated reactor stirring shaft |
| JP2012241724A (en) * | 2011-05-16 | 2012-12-10 | Eagle Industry Co Ltd | Shutdown seal for mechanical seal |
| CN203809687U (en) * | 2014-04-08 | 2014-09-03 | 四川大禹机械密封件制造有限公司 | High-temperature high-pressure mechanical seal device for reaction kettle |
-
2015
- 2015-09-14 CN CN201510585075.5A patent/CN105090517A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0258910A2 (en) * | 1983-09-29 | 1988-03-09 | Bw/Ip International Inc. | Improved mechanical seal |
| JP2012241724A (en) * | 2011-05-16 | 2012-12-10 | Eagle Industry Co Ltd | Shutdown seal for mechanical seal |
| CN102359595A (en) * | 2011-09-19 | 2012-02-22 | 宁波东联密封件有限公司 | Mechanical seal for agitated reactor stirring shaft |
| CN203809687U (en) * | 2014-04-08 | 2014-09-03 | 四川大禹机械密封件制造有限公司 | High-temperature high-pressure mechanical seal device for reaction kettle |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246139A (en) * | 2016-12-28 | 2018-07-06 | 上海沃迪自动化装备股份有限公司 | A kind of agitating device with mechanical seal cooling |
| CN107448609A (en) * | 2017-08-25 | 2017-12-08 | 洛阳栾川钼业集团股份有限公司 | A kind of sealing device for high pressure Leach reaction kettle |
| CN108211993A (en) * | 2018-03-18 | 2018-06-29 | 唐山山岛石油化学有限公司 | The liquid phase medium coolant seal mechanism of high-temperature pressure-reduction stirring container |
| WO2019209159A1 (en) * | 2018-04-25 | 2019-10-31 | Scania Cv Ab | Sealing arrangement, hydrodynamic machine, and vehicle |
| RU2749243C1 (en) * | 2018-04-25 | 2021-06-07 | Сканиа Св Аб | Sealing device, hydrodynamic machine and vehicle |
| CN111249995A (en) * | 2018-11-30 | 2020-06-09 | 中昊晨光化工研究院有限公司 | Reaction kettle mechanical seal pressurization protection device and protection method |
| CN109630686A (en) * | 2018-12-21 | 2019-04-16 | 中化蓝天氟材料有限公司 | A kind of combination sealing system of reaction kettle agitating shaft and its application |
| CN109630686B (en) * | 2018-12-21 | 2020-08-28 | 中化蓝天氟材料有限公司 | Combined sealing system of reaction kettle stirring shaft and application thereof |
| CN112856086A (en) * | 2021-03-18 | 2021-05-28 | 中国航发沈阳发动机研究所 | Aperture-adjustable throttling orifice plate |
| CN113324035A (en) * | 2021-06-07 | 2021-08-31 | 台州海辰科技有限公司 | Shaft lever mechanical sealing mechanism of high-temperature and high-pressure mixer for plastic production |
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Application publication date: 20151125 |