CN106311082A - Mechanical sealed balance tank auxiliary structure applied to reactor - Google Patents
Mechanical sealed balance tank auxiliary structure applied to reactor Download PDFInfo
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- CN106311082A CN106311082A CN201510368943.4A CN201510368943A CN106311082A CN 106311082 A CN106311082 A CN 106311082A CN 201510368943 A CN201510368943 A CN 201510368943A CN 106311082 A CN106311082 A CN 106311082A
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- reactor
- compensator
- sealing liquid
- sealing
- kettle
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Abstract
The invention relates to the field of reactor sealing technology, and especially relates to a mechanical sealed balance tank auxiliary structure applied to a reactor. The auxiliary structure comprises a reactor (1) and a balance tank (2). The balance tank (2) is communicated with the reactor body (10) of the reactor (1) through an impulse pipe (3). The impulse pipe (3) is communicated with the feed pipe of the reactor (1) at the same time. The balance tank (2) has a cavity (20). The cavity (20) is communicated with the sealing liquid inlet (401) of a sealing liquid cavity (40) through a first pipeline (51) and is communicated with the sealing liquid outlet (402) of the sealing liquid cavity (40) through a second pipeline, and the cavity (20), the first pipeline (51), the sealing liquid cavity (40), and the second pipeline form a sealing liquid loop. Pressure is applied on the feed pipe of the reactor and gas phase in the reactor body (10) at the same time to make the pressure in the impulse pipe (3) be slightly greater than the pressure in the reactor body (10) so that the water steam and reagents in the reactor body (10) will not enter the impulse pipe (3).
Description
Technical field
The present invention relates to the technical field of sealing technology of reactor, particularly relate to a kind of for reactor
Mechanical seal compensator supplementary structure.
Background technology
For preparing the reactor of macromolecular compound typically by kettle, kettle cover, chuck, stirring
Device, actuating device, gland seal device and support etc. form, and wherein, gland seal device typically uses
Mechanical seal.It is presently used for preparing the reactor of macromolecular compound, particularly tetrafluoroethene
The mechanical seal compensator supplementary structure of polymerization reaction kettle mostly is piston cylinder operator.
It is close that the patent of patent No. CN203737203U discloses a kind of machinery on reactor
Envelope compensator supplementary structure, including reactor and the hydraulic cylinder that is connected with reactor, reactor
Opening sealing station is installed, sealing station is provided with sealing liquid chamber, hydraulic cylinder is provided with work
Plug, hydraulic cylinder is divided into upper chamber and the lower chambers of sealing by piston, and upper chamber is arranged on lower chambers
Surface, upper chamber connects with sealing liquid chamber, and lower chambers is internal with reactor to be connected.This structure is led to
Cross and oil sealing balance is set, the pressure of reactor is reasonably assigned in sealing device, is pressed
The balance of power.But its structure is more complicated, and during reactor runs charging, reactor
In pressure micro-more than lower chambers and the pressure in the pressure guiding pipe being connected inside reactor, then
Steam in reaction system and reagent etc. are easily accessible pressure guiding pipe and result in blockage, and cause mechanical seal
Damage, affect mechanical seal and use the cycle, be not suitable for the requirement that tetrafluoroethylene polymerization produces.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is to solve steam in reactor and reagent is easily accessible
The problem resulted in blockage in the pressure guiding pipe of mechanical seal compensator supplementary structure.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of machinery on reactor
Sealing and balancing tank supplementary structure, including reactor and compensator, compensator passes through pressure guiding pipe with anti-
The kettle answering still connects, and pressure guiding pipe connects with the charge pipe of reactor simultaneously.
According to the present invention, pressure guiding pipe includes supervisor, the first arm and the second arm；The one of supervisor
End connects with compensator and while one end of the other end and one end of the first arm and the second arm
Connection；The other end of the first arm connects with kettle；The other end of the second arm is with charge pipe even
Logical.
According to the present invention, the opening of kettle is provided with sealing station, and sealing station has sealing liquid chamber, envelope
Sap cavity is provided with sealing liquid import and sealing liquid outlet；Compensator has cavity, and cavity passes through the first pipeline
With sealing liquid inlet communication by the second pipeline and sealing liquid outlet, cavity, the first pipeline,
Sealing liquid chamber and the second pipeline constitute sealing liquid loop.
According to the present invention, the rotary shaft of reactor passes sealing station and stretches into the inside of kettle, close
Feng Taizhong is provided with cooling chamber, and sealing liquid chamber is between rotary shaft and cooling chamber, and sealing station is additionally provided with
For coolant enter cooling chamber water inlet and in cooling chamber after heat exchange coolant row
The outlet gone out.
According to the present invention, the first pipeline is provided with pump.
According to the present invention, pump is magnetic drive pump.
According to the present invention, compensator is provided with sealing liquid supply mouth.
According to the present invention, compensator is provided with liquid level display part.
According to the present invention, the opening of kettle is provided with sealing station, and sealing station has sealing liquid chamber；Flat
Weighing apparatus tank is hydraulic cylinder, is provided with piston in hydraulic cylinder, and hydraulic cylinder is divided into and connecting with sealing liquid chamber by piston
The first chamber and the second chamber of connecting with kettle.
According to the present invention, reactor is tetrafluoroethylene polymerization reactor.
(3) beneficial effect
The technique scheme of the present invention has the advantage that
(1) the mechanical seal compensator supplementary structure on reactor of the present invention uses from instead
Answer the mode of the impulse simultaneously of the gas phase in the charge pipe of still and kettle.Due to pressure guiding pipe and reactor
Kettle connect with charge pipe simultaneously, therefore reactor is in course of reaction, the pressure in pressure guiding pipe
Power is the most micro-more than the pressure within reactor kettle, so that the steam in reactor kettle
Will not enter in pressure guiding pipe with various reagent, so solve steam in reactor kettle and
The problem that reagent results in blockage, affects mechanically-sealing apparatus service life in entering pressure guiding pipe.
(2) compensator uses cavity structure, is connected formation sealing liquid loop with sealing liquid chamber by pipeline,
Sealing liquid can circulate in this sealing liquid loop.During reactor reacts, rely on pipeline
The effect of the pump of upper setting, sealing liquid can constantly circulate so that sealing liquid coolant in cooling chamber
Effect under cool down more uniform, thus reduce the thermograde of sealing liquid, it is to avoid its local mistake
Heat.Additionally, when the cooling system exception of mechanically-sealing apparatus, this design can be according to compensator
The volume of interior sealing liquid and the specific heat situation of sealing liquid, putting down of the mechanically-sealing apparatus of maintenance long period
Steady operation.Compensator is set to cavity structure, simple in construction, and serves reactor equally
Pressure is reasonably assigned to the effect in mechanically-sealing apparatus, and can run at reactor
Journey changes with pressure in reactor kettle the equilibrium point of timely levelling reactor, thus is pressed
The balance of power.
Accompanying drawing explanation
Fig. 1 is the auxiliary knot of the mechanical seal compensator on reactor of the embodiment of the present invention one
Structure schematic diagram.
In figure: 1: reactor；10: kettle；2: compensator；20: cavity；21: sealing liquid
Supply mouth；22: liquid level display part；3: pressure guiding pipe；30: supervisor；31: the first arms；32:
Second arm；4: sealing station；40: sealing liquid chamber；401: sealing liquid import；402: sealing liquid exports；
41: cooling chamber；411: water inlet；412: outlet；51: the first pipelines；52: the second
Pipeline；6: rotary shaft；7: pump.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
It is fully described by, it is clear that described embodiment is a part of embodiment of the present invention, and not
It it is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is on the premise of making creative work the every other embodiment obtained, broadly fall into the present invention
The scope of protection.
Embodiment one
As it is shown in figure 1, a kind of machinery on reactor that the embodiment of the present invention one provides is close
Envelope compensator supplementary structure.The mechanical seal compensator supplementary structure that this is used on reactor includes
Reactor 1 and compensator 2, compensator 2 is connected by the kettle 10 of pressure guiding pipe 3 with reactor 1
Logical, pressure guiding pipe 3 connects with the charge pipe (not shown) of reactor 1 simultaneously.Art technology
Known to personnel, pressure guiding pipe 3 connects the top referring to pressure guiding pipe 3 with kettle 10 with kettle 10
Connection, to be incorporated into the pressure of gas phase in kettle 10 in compensator 2.In other words, pressure guiding pipe
3 positions connected with kettle 10 are arranged on and the pressure of gas phase in kettle 10 can be incorporated into balance
Position in tank 2.
The above-mentioned mechanical seal compensator supplementary structure on reactor of the present embodiment one, adopts
Mode with the impulse simultaneously of the gas phase in the charge pipe and kettle 10 of reactor 1.Due to impulse
Pipe 3 connects with kettle 10 and the charge pipe of reactor 1 simultaneously, and reactor 1 is in course of reaction
In, the pressure in charge pipe is greater than the pressure in kettle 10 all the time, therefore in pressure guiding pipe 3
Pressure is the most micro-more than the pressure within kettle 10, so that the steam in kettle 10 is with each
Plant reagent will not enter in pressure guiding pipe 3, and then solve the water in the kettle 10 of reactor 1
Vapour and reagent result in blockage in entering pressure guiding pipe 3, affect asking of mechanically-sealing apparatus service life
Topic.
Further, in the present embodiment one, pressure guiding pipe 3 includes being responsible for the 30, first arm 31
With the second arm 32.Supervisor 30 one end connect with compensator 2, supervisor 30 the other end and
One end of first arm 31 connects with one end of the second arm 32 simultaneously.First arm 31 another
One end (one end relative with compensator 2 of the i.e. first arm 31) connects with kettle 10, the
The other end (one end relative with compensator 2 of the i.e. second arm 32) of two arms 32 with add
Material pipe connection, is achieved in compensator 2 and connects while kettle 10 and charge pipe so that be main
Pressure in pipe 30 is the most micro-more than the pressure in kettle 10, thus in kettle 10 can be prevented
Steam and reagent enter in supervisor 30.It should be noted that the pressure guiding pipe 3 of the present invention will balance
The mode that tank 2 connects with kettle 10 and charge pipe simultaneously is not limited to aforesaid way, it is also possible to
For alternate manner.
Further, in the present embodiment one, the opening of kettle 1 is provided with sealing station 4, sealing station
4 have sealing liquid chamber 40, and sealing liquid chamber 40 is provided with sealing liquid import 401 and sealing liquid outlet 402；Balance
Tank 2 has cavity 20, and cavity 20 is connected with sealing liquid import 401 by the first pipeline 51, empty
Chamber 20 is connected with sealing liquid outlet 402 by the second pipeline 52, thus cavity the 20, first pipeline
51, sealing liquid chamber 40 and the second pipeline 52 constitute sealing liquid loop, and the supervisor 30 of pressure guiding pipe 3 with
Position connection on the sealing liquid liquid level of cavity 20, so that the pressure that sealing liquid can introduce at pressure guiding pipe 3
Flow in above-mentioned sealing liquid loop under the effect of power, thus distribute the stresses in sealing station 4.
In the present embodiment one, the rotary shaft 6 of reactor 1 through sealing station 4 and stretches into kettle
The inside of 10, is provided with cooling chamber 41 in sealing station 4, sealing liquid chamber 40 is positioned at rotary shaft 6 with cold
But between chamber 41, in other words, sealing liquid chamber 40 is arranged around rotary shaft 6, cooling chamber 41 cincture
Sealing liquid chamber 40 is arranged.Sealing station 4 is additionally provided with water inlet 411 and outlet 412, wherein, enters
The mouth of a river 411 enters cooling chamber 41 for coolant, and outlet 412 is in cooling chamber 41 after heat exchange
Coolant discharge from cooling chamber 41.Specific in the present embodiment one, water inlet 411 and water outlet
Mouth 412 relative rotation axis 6 are symmetrical arranged.Thus, by coolant being injected and discharging cooling
Chamber 41, can play the effect of cooling, to prevent sealing liquid at impulse to the sealing liquid in sealing liquid chamber 40
Under the pressure effect that pipe 3 introduces heating up, it is ensured that the safety of sealing station 3 work and stable.
Certainly, the set-up mode of water inlet 411 of the present invention and outlet 412 is not limited to symmetry and sets
Put, it is possible to use alternate manner to arrange.
Further, in the present embodiment one, the first pipeline 51 is provided with pump 7, by pump 7
Effect can realize sealing liquid at compensator the 2, first pipeline 51, sealing liquid chamber 40 and the second pipeline 52
Connect in the sealing liquid loop formed and constantly circulate.The pump 7 of the present embodiment one uses magnetic drive pump, suitable
Conveying and supercharging for liquid.
To sum up, in the present embodiment one, during reactor 1 reacts, rely on the first pipeline
The effect of the pump 7 arranged on 51, sealing liquid is in compensator the 2, first pipeline 51, sealing liquid chamber 40
And second pipeline 52 connect formed sealing liquid loop in constantly circulate so that sealing liquid cooling
Cool down more uniform under the effect of the coolant in chamber 41, thus reduce the thermograde of sealing liquid,
Avoid its hot-spot.Additionally, during cooling system exception in cooling chamber 41, this design can
According to the volume of sealing liquid in compensator 2 and the specific heat situation of sealing liquid, maintain the machinery of long period
The even running of sealing device (i.e. sealing station 4).Additionally, the compensator 2 of the present embodiment one
It is set to cavity structure, simple in construction, and serves the pressure in the kettle 10 of reactor 1 equally
Power is reasonably assigned to the effect in sealing station 4, and can be in reactor 1 course of reaction
With the equilibrium point changing timely levelling reactor 1 of pressure in kettle 10, thus obtain pressure
Balance.
Further, in the present embodiment one, compensator 2 is provided with sealing liquid supply mouth 21, is used for
Sealing liquid in the cavity 20 of compensator 2 is supplemented, to ensure when reactor 1 reacts,
In cavity, the sealing liquid in 20 is sufficient.For ensureing that the sealing of sealing station 3 is reliable and operates steadily,
More than the 80% of duty chamber 20 volume answered by sealing liquid in cavity 20.
Further, in the present embodiment one, compensator 2 is provided with liquid level display part 22, is used for
The liquid level of sealing liquid in monitoring cavity 20.During reactor 2 reacts, the recycle stream of sealing liquid
Move and can produce certain consumption, when the liquid level of sealing liquid is less than predetermined value in cavity 20, then instead
In time it is supplemented after answering end cycle.
The aforesaid reaction vessel of the present embodiment one is tetrafluoroethylene polymerization reactor.
Embodiment two
Embodiment two is essentially identical with embodiment one, and something in common repeats no more, and difference exists
In, the compensator of the present embodiment two is hydraulic cylinder, is provided with piston in hydraulic cylinder, and piston is by hydraulic pressure
Cylinder is divided into the first chamber connected with sealing liquid chamber and the second chamber connected with kettle, and wherein second
Chamber is connected with kettle and feed pipe by pressure guiding pipe simultaneously.That is, by the present invention from reactor
Charge pipe and kettle in the mode of gas phase simultaneously impulse for existing plunger-type balance tank,
Can also reach to prevent the steam in kettle and reagent from entering the purpose of pressure guiding pipe equally.
The aforesaid reaction vessel of the present embodiment two is tetrafluoroethylene polymerization reactor.
In sum, the compensator of the present invention is by pressure guiding pipe and the kettle of reactor and charge pipe
Connecting so that in reactor course of reaction, the pressure in pressure guiding pipe is the most micro-more than still simultaneously
The pressure in internal portion, thus steam and the various reagent in preventing kettle enters in pressure guiding pipe,
And then solve in the steam in the kettle of reactor and reagent enter pressure guiding pipe result in blockage, shadow
The problem ringing mechanically-sealing apparatus service life.
Last it is noted that above example is only in order to illustrate technical scheme, and
Non-to its restriction；Although the present invention being described in detail with reference to previous embodiment, ability
The those of ordinary skill in territory is it is understood that it still can be to the skill described in foregoing embodiments
Art scheme is modified, or wherein portion of techniques feature is carried out equivalent；And these are repaiied
Change or replace, not making the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The spirit and scope of case.
Claims (10)
1. the mechanical seal compensator supplementary structure on reactor, it is characterised in that:
Including reactor (1) and compensator (2), described compensator (2) by pressure guiding pipe (3) with
Kettle (10) connection of described reactor (1), described pressure guiding pipe (3) simultaneously with described instead
The charge pipe answering still (1) connects.
Mechanical seal compensator auxiliary knot on reactor the most according to claim 1
Structure, it is characterised in that:
Described pressure guiding pipe (3) includes being responsible for (30), the first arm (31) and the second arm (32)；
One end of described supervisor (30) connects with described compensator (2) and the other end is with described
One end of first arm (31) connects with one end of described second arm (32) simultaneously；
The other end of described first arm (31) connects with described kettle (10)；
The other end of described second arm (32) connects with described charge pipe.
Mechanical seal compensator auxiliary knot on reactor the most according to claim 1
Structure, it is characterised in that:
The opening of described kettle (10) is provided with sealing station (4), and described sealing station (4) has
Sealing liquid chamber (40), described sealing liquid chamber (40) is provided with sealing liquid import (401) and sealing liquid outlet (402)；
Described compensator (2) has cavity (20), and described cavity (20) passes through the first pipeline (51)
Connect with described sealing liquid import (401) and exported with described sealing liquid by the second pipeline (52)
(402) connection, described cavity (20), described first pipeline (51), described sealing liquid chamber (40)
Sealing liquid loop is constituted with described second pipeline (52).
Mechanical seal compensator auxiliary knot on reactor the most according to claim 3
Structure, it is characterised in that:
The rotary shaft (6) of described reactor (1) is through described sealing station (4) and stretches into described
The inside of kettle (10), is provided with cooling chamber (41), described sealing liquid in described sealing station (4)
Chamber (40) is positioned between described rotary shaft (6) and described cooling chamber (41), described sealing station
(4) it is additionally provided with and enters the water inlet (411) of described cooling chamber (41) for coolant and supply
The outlet (412) that coolant after heat exchange is discharged in described cooling chamber (41).
Mechanical seal compensator auxiliary knot on reactor the most according to claim 3
Structure, it is characterised in that:
Described first pipeline (51) is provided with pump (7).
Mechanical seal compensator auxiliary knot on reactor the most according to claim 5
Structure, it is characterised in that:
Described pump (7) is magnetic drive pump.
Mechanical seal compensator auxiliary knot on reactor the most according to claim 3
Structure, it is characterised in that:
Described compensator (2) is provided with sealing liquid supply mouth (21).
Mechanical seal compensator auxiliary knot on reactor the most according to claim 3
Structure, it is characterised in that:
Described compensator (2) is provided with liquid level display part (22).
Mechanical seal compensator auxiliary knot on reactor the most according to claim 1
Structure, it is characterised in that:
The opening of described kettle is provided with sealing station, and described sealing station has sealing liquid chamber；Described flat
Weighing apparatus tank is hydraulic cylinder, is provided with piston in described hydraulic cylinder, and described hydraulic cylinder is divided into by described piston
The first chamber connected with described sealing liquid chamber and the second chamber connected with described kettle.
10. put down according to the mechanical seal on reactor according to any one of claim 1-9
Weighing apparatus tank supplementary structure, it is characterised in that:
Described reactor is tetrafluoroethylene polymerization reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368943.4A CN106311082B (en) | 2015-06-29 | 2015-06-29 | A kind of mechanical seal compensator supplementary structure on reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510368943.4A CN106311082B (en) | 2015-06-29 | 2015-06-29 | A kind of mechanical seal compensator supplementary structure on reaction kettle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106311082A true CN106311082A (en) | 2017-01-11 |
| CN106311082B CN106311082B (en) | 2019-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510368943.4A Active CN106311082B (en) | 2015-06-29 | 2015-06-29 | A kind of mechanical seal compensator supplementary structure on reaction kettle |
Country Status (1)
| Country | Link |
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| CN (1) | CN106311082B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN201746319U (en) * | 2010-07-15 | 2011-02-16 | 山东国邦药业股份有限公司 | Hydrogenation reaction kettle for producing sodium hydride |
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| CN103801225A (en) * | 2014-02-28 | 2014-05-21 | 成都大漠石油机械有限公司 | Auxiliary structure of mechanical sealing balance tank |
| CN203737203U (en) * | 2014-02-28 | 2014-07-30 | 成都大漠石油机械有限公司 | Mechanical sealing balance tank auxiliary structure for reaction kettle |
| CN203948275U (en) * | 2013-12-06 | 2014-11-19 | 中国石油天然气股份有限公司 | A kind of medicine adding device |
| CN104549048A (en) * | 2014-11-21 | 2015-04-29 | 常州市锐金轮机械配件有限公司 | Self-pressure boosting system for double-end mechanical seal |
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2015
- 2015-06-29 CN CN201510368943.4A patent/CN106311082B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201746319U (en) * | 2010-07-15 | 2011-02-16 | 山东国邦药业股份有限公司 | Hydrogenation reaction kettle for producing sodium hydride |
| CN102351974A (en) * | 2011-07-18 | 2012-02-15 | 山东新宇高科技材料有限公司 | Fluorocarbon resin and its preparation method |
| CN203948275U (en) * | 2013-12-06 | 2014-11-19 | 中国石油天然气股份有限公司 | A kind of medicine adding device |
| CN103801225A (en) * | 2014-02-28 | 2014-05-21 | 成都大漠石油机械有限公司 | Auxiliary structure of mechanical sealing balance tank |
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| CN104549048A (en) * | 2014-11-21 | 2015-04-29 | 常州市锐金轮机械配件有限公司 | Self-pressure boosting system for double-end mechanical seal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| Publication number | Publication date |
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| CN106311082B (en) | 2019-02-19 |
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