CN201696615U - Reactor seal device - Google Patents
Reactor seal device Download PDFInfo
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- CN201696615U CN201696615U CN2010202413881U CN201020241388U CN201696615U CN 201696615 U CN201696615 U CN 201696615U CN 2010202413881 U CN2010202413881 U CN 2010202413881U CN 201020241388 U CN201020241388 U CN 201020241388U CN 201696615 U CN201696615 U CN 201696615U
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- reactor
- seal arrangement
- running shaft
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a reactor seal device. The reactor seal device is sleeved outside a rotating shaft; one end of the rotating shaft is inserted in the reactor. The reactor seal device comprises a helical seal integrally connected to the rotating shaft and provided with seal teeth for realizing helical sealing, at least one seal ring sleeved on the rotating shaft, and a seal housing provided with a through cavity and sleeved on the rotating shaft through the cavity to form a space suitable for containing the helical seal and the seal ring. In addition, a seal fluid passage used for supplying seal fluid and a lubricant passage used for supplying lubricant are also arranged in the reactor seal device. The reactor seal device of the utility model has the advantages of high seal performance, simple structure and easy production; the reactor seal device has low requirement for the operational technique and less influence on the normal production once going wrong.
Description
Technical field
The utility model relates to a kind of seal arrangement, relates in particular to a kind of horizontal reacting still seal arrangement.
Background technique
Reactor when work temperature in the kettle is higher, and the corrosivity of the material that reacts is stronger, and is for example carrying out under the situation such as processed, to vacuum requirements also than higher.On the other hand, because the running shaft rotational speed that is plugged in the reactor is very fast, thereby very easily produce circular runout, and axial float.Therefore, reactor need have fabulous sealing with seal arrangement, can be high temperature resistant, corrosion-resistant, and can keep the high speed rotating of running shaft.
At present, the used seal arrangement of horizontal reacting still adopts packing seal mostly, and that packing seal has is simple in structure, be easy to advantages such as manufacturing, price material benefit, thereby is widely used in the industry equipments such as stirrer, reactor, centrifugal pump.But the gland sealed sealing state is stable inadequately, can't reach the designing requirement of reactor under particularly big at fluid viscosity, the rotary shaft rotating speed condition with higher.
In addition, the patent No. discloses a kind of rotary shaft oil seal for the Chinese patent literature of " 200720063525.5 ", in this rotary shaft oil seal, outer seal is provided with saw shape tooth, solid of rotation is provided with and the rotary teeth of described saw shape tooth relative engagement, and described saw shape tooth and described rotary teeth are set to have each other certain interval.When the running shaft high speed rotating, the liquid in this gap forms eddy current because being subjected to responsive to axial force, thereby this gap then becomes the vortex that can stop the liquid medium outflow to reach the better seal effect.But because the sealing effect of rotation axis seal depends on the dimensional accuracy of saw shape tooth, rotary teeth and the morpheme relation after the assembling etc., so the required precision of the processing of this rotation axis seal, assembling is very high, manufacture difficulty is bigger.And that assembles, dismantles is technical stronger, needs the professional workforce to operate, and under the situation of device fails, influences ordinary production because the professional workforce can not be in time sometimes.
The model utility content
The problem that the utility model solves provides a kind of reactor seal arrangement, and the sealing device promptly can be big at fluid viscosity, keep the better seal effect under the rotary shaft rotating speed condition with higher, and simple in structure, is easy to manufacturing.
For addressing the above problem, the utility model provides a kind of reactor seal arrangement, is sleeved on the outside of running shaft, one distolateral being plugged in the reactor of described running shaft, it comprises: spiral seal body, one are connected on the described running shaft, have the sealing tooth that constitutes spiral seal; At least one seal ring is sleeved on the described running shaft; Seal casinghousing has the cavity of perforation, is sleeved on the described running shaft by this cavity, constitutes the space that is suitable for holding described spiral seal body, described seal ring.
Alternatively, described reactor is with in the seal arrangement, and described spiral seal body is near described reactor.
Alternatively, described reactor is with in the seal arrangement, and the sealing tooth of described spiral seal body is a thread.
Alternatively, described reactor is with in the seal arrangement, and described seal ring is an oil sealing.
Alternatively, described reactor also comprises first gland with seal arrangement, and described first gland is arranged on the described seal casinghousing, is used to seal an end of the close described reactor of described seal casinghousing.
Alternatively, described reactor also comprises second gland with seal arrangement, and described second gland is arranged on the described seal casinghousing, is used to seal the end away from described reactor of described seal casinghousing.
Alternatively, described reactor also comprises lubricant channel with seal arrangement, and described lubricant channel is arranged on described second gland.
Alternatively, described reactor is with in the seal arrangement, and described lubricant channel is " L " type passage.
Alternatively, described reactor also comprises the sealing fluid passage with seal arrangement, and described sealing fluid passage is arranged on the described seal casinghousing.
Alternatively, described reactor is with in the seal arrangement, and described sealing fluid passage is " ten " type passage.
Alternatively, described reactor also comprises thermal insulating pad with seal arrangement, and described thermal insulating pad is arranged on the described running shaft, is positioned at the end of reactor with the close described reactor of seal arrangement.
Alternatively, described reactor comprises also that with seal arrangement one is connected the axle sleeve on the described running shaft, and described reactor is connected with described running shaft by described axle sleeve with seal arrangement.
Alternatively, described reactor also comprises bearing with seal arrangement, and described bearing housing is located on the described running shaft.
Alternatively, described reactor is with in the seal arrangement, and described spiral seal body, seal ring and bearing are from close described reactor side axially setting gradually along described running shaft.
Alternatively, described reactor is with in the seal arrangement, and described bearing is a selfaligning bearing.
Compared with prior art, advantage of the present utility model is:
Constitute the combined labyrinth and carbon gland that comprises seal ring sealing and spiral seal, have higher sealability, even also can access the better seal effect under, the rotary shaft rotating speed condition with higher big at fluid viscosity.Thereby avoid influencing ordinary production because of poor sealing causes fault.
On the other hand, reactor of the present utility model is simple with sealing device structure, and assembly precision is less demanding, is easy to make; And the technical requirements of operation such as assembling, dismounting is not high, and the influence to ordinary production under situation about breaking down is less.
Description of drawings
Fig. 1 is the structural representation of the reactor seal arrangement in the utility model one mode of execution;
Fig. 2 is the partial enlarged drawing that reactor shown in Figure 1 is used the P place of seal arrangement.
Embodiment
Below, in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.Only for illustrating, the utility model is not limited in the scheme among the embodiment to following embodiment, and in addition, the simple transformation that those skilled in the art can carry out in the prior art scope and the technological scheme that obtains are all in protection domain of the present utility model.
In the actual production, reactor usually need carry out work under than degree of vacuum conditions of higher under the harsh conditions, in for example still at pressure environment, and the material that reacts in the reactor often corrosivity is stronger, therefore, if the sealing state instability of seal arrangement for the horizontal reacting still, will be corroded because of the immersion of material in the reactor, cause sealability decline, working life to shorten.
In order to address the above problem, the utility model provides a kind of reactor seal arrangement, the sealing means that it adopts seal ring sealing and spiral seal to make up, both can strengthen sealing effect, can keep stability preferably again, the state that is high vacuum thus in reactor for example provides to meet reaction required pressure environment.
Fig. 1 is the structural representation of the reactor seal arrangement 100 in the utility model one mode of execution, and Fig. 2 is the partial enlarged drawing that reactor shown in Figure 1 is used the P place of seal arrangement 100.
As shown in Figure 1 and Figure 2, in the present embodiment, the running shaft outside that described reactor is set between reactor (not shown) and speed reducer (not shown) with seal arrangement (hereinafter to be referred as " seal arrangement ") 100, one of described running shaft distolaterally is plugged in the described reactor, the other end connects described speed reducer, and it comprises spiral seal body 120, seal ring 150 and seal casinghousing 110.In addition, in the present embodiment, seal arrangement 100 also comprises first gland 130, second gland 170, seal ring pedestal 140, bearing 160.And, in the present embodiment, being set with the axle sleeve 200 that one connects on the running shaft 300, seal arrangement 100 is connected on the described running shaft 300 by axle sleeve 200.
In the present embodiment, described seal arrangement 100 constitutes from the spiral seal that utilizes spiral seal body 120 along axially having successively of described running shaft 300 near a side of reactor, seal ring sealing and the bearing 160 that utilizes seal ring 150.Close reactor side in seal arrangement is provided with the extraordinary spiral seal of sealing effect, even also can realize the better seal effect under the degree of vacuum condition with higher in then higher at for example running shaft 300 rotating speeds, the reactor; In addition, in described seal arrangement 100, also be provided with seal ring sealing, then can be with the spiral seal miniaturization, long to prevent, cause manufacture difficulty to become problem such as big, that cost uprises greatly because of spiral seal.Yet this does not constitute restriction of the present utility model, and the described position relation of the spiral seal of spiral seal body 120, the seal ring sealing that utilizes seal ring 150 and bearing 160 of utilizing can be adjusted according to actual conditions.
Below, be described in detail with seal arrangement 100 with reference to the reactor of accompanying drawing present embodiment.
Wherein, spiral seal body 120 is tubular, have along through hole that self axially connects and the sealing tooth that is used to constitute spiral seal that is arranged at cylindrical outer wall, described spiral seal body 120 is sleeved on the described axle sleeve 200 by described through hole and can be rotated with described axle sleeve 200 one.And in the seal arrangement 100 of present embodiment, 110 of the sealing tooth of described spiral seal body 120 and described seal casinghousings form certain interval.
In addition, in the present embodiment, the sealing tooth of spiral seal body 120 is a shape of threads sealing tooth, but this does not constitute restriction of the present utility model, also can be according to actual conditions, the sealing tooth of described spiral seal body 120 is set to for example other shapes of sawtooth etc.And, size, the quantity of sealing tooth can be selected according to actual needs, yet, if described sealing tooth is excessive, quantity too much can increase manufacture difficulty thereby should keep compact structure satisfying size, the quantity that the sealing tooth suitably is set under the prerequisite of seal request as far as possible.
Described seal arrangement 100 in the present embodiment has a plurality of non-touching seal rings, if on described seal casinghousing 110, directly offer a plurality of spaces that are suitable for holding described seal ring, then can make seal casinghousing 110 structures become complicated, manufacture difficulty is bigger, is unfavorable for producing in batches and quality control.
Therefore, in the present embodiment, described seal arrangement 100 also comprises seal ring pedestal 140, described seal ring pedestal 140 in the form of a ring and have a through hole that axially connects along it, it is connected in the cavity of perforation of seal casinghousing 110 and is sleeved on axle sleeve 200 outsides, connect as one with described seal casinghousing 110 and to constitute a plurality of spaces that are suitable for holding described seal ring 150 thus, and described seal ring housing 140 can not followed axle sleeve 200 motions.
Thus, can reduce the difficulty of processing of seal casinghousing 110, help producing in batches etc.; But this does not constitute restriction of the present utility model, according to actual conditions, above-mentioned seal ring pedestal 140 can be set yet and directly offer the space that is suitable for holding seal ring 150 on described seal casinghousing.
Bearing 160 is sleeved on described axle sleeve 200, is used to suppress the radially wobbling of the described running shaft 300 that is connected with this axle sleeve 200 one, axial float.The kind of described bearing 160 can be selected according to actual needs, and preferred aligning function is spheric roller bearing preferably.
In the present embodiment, described seal casinghousing 110 has the cavity of perforation, is sleeved on by this cavity on the axle sleeve 200 of running shaft 300 to constitute the space that is suitable for holding spiral seal body 120, seal ring pedestal 140, seal ring 150 and bearing 160.
In addition, also offer on the described seal casinghousing 110 for sealing fluid circulation, circuit sealing fluid passage, as shown in the figure, in the present embodiment, the inlet side 401 of described sealing fluid passage, outlet side 402 all are " ten " font structure.
In addition, in actual applications, the size of sealing fluid passage should be selected according to the actual conditions such as quantity of for example seal ring; And the shape of sealing fluid passage also should not be subjected to the restriction of present embodiment, and for example sealing fluid feeder connection side, outlet side also for example can be set to " T " font structure.
In addition, in the present embodiment, described seal arrangement 100 also comprises first gland 130, and described first gland 130 is connected an end of the close reactor of described seal casinghousing 110 by bolt, this end is sealed.And when described first gland 130 had sealed the end of close reactor of seal casinghousing 110, described first gland 130 constituted a chamber with described seal casinghousing 110, spiral seal body 120.Like this, be full of in this chamber under the situation of sealing fluid, when described running shaft 300 rotated, described sealing fluid formed with the sealing tooth of described spiral seal body 120 close-fitting " liquid seal tooth ", realizes spiral seal thus; Described " liquid seal tooth " produces axial motion towards the pressure higher-end because of the rotation of running shaft 300, so even spiral seal still can keep good sealing effect under the very big situation of reactor external and internal pressure difference.
In addition, in the present embodiment, first gland 130 is that bolt is connected with the Placement of described seal casinghousing 110, be convenient to like this seal arrangement 100 is assembled, dismantled, but, this does not constitute restriction of the present utility model, can first gland 130 be connected on the described seal casinghousing 110 by for example other Placements such as clamping, welding in actual applications yet.
In the present embodiment, the two ends of described seal casinghousing 110 are set to the open end for the ease of installing, dismantling, and the two ends by described first gland 130, second gland, 170 close encapsulation housings 110; But this does not constitute restriction of the present utility model, difference as the case may be, also can otherwise seal the two ends of described seal casinghousing, especially, under the situation that satisfies the dismounting requirement, also can the seal casinghousing two ends be set to only to be suitable for running shaft and pass.
In addition, in the present embodiment, being provided with in described second gland 170 can be for Lubricants circulation, circuit lubricant channel, and the inlet side 501 of described sealing fluid passage, outlet side 502 all are " L " font structure; But this does not constitute restriction of the present utility model, and in actual applications, described lubricant channel also can be set to other shapes, and the size of lubricant channel can be set according to actual conditions.
In addition, in seal arrangement 100, two end faces (perpendicular to axial direction) side at described bearing 160 constitutes the lubricated sap cavity that is used to save Lubricants, thus, can guarantee the Lubricants of bearing 160 is supplied with, in time take away the heat that produces in bearing 160 working procedure when being lubricated, reach effect lubricated, cooling, the wearing and tearing that alleviate bearing 160.Specifically, described lubricated sap cavity is set to: have certain interval when second gland 170 is connected on the described seal casinghousing 110 and between described bearing 160 1 end faces, this gap is a lubricated sap cavity of seal arrangement 100; 110 of bearing 160 other ends and seal casinghousings have a gap, and this gap is as the another lubricated sap cavity of seal arrangement 100.
Especially, as shown in the figure, also offer the space that is suitable for holding seal ring on described second gland 170, by in described second gland 170, seal ring being set, further enhanced leaktightness effect.The described seal ring that is arranged in second gland should be selected according to actual conditions, for example also can be oil sealing, O type circle etc.; And, in actual applications,, can use the seal ring identical with above-mentioned seal ring 150 as the described seal ring that is arranged in second gland.
Especially, described seal arrangement 100 can also have the thermal insulating pad 180 that is used to isolate heat, described thermal insulating pad 180 in the form of a ring and have a through hole that axially connects along it, be sleeved on the described axle sleeve 200 and be positioned at a side of the close reactor of first gland 130 by this through hole, be used for stoping the heat of reactor to import in the seal arrangement 100, avoid seal arrangement 100 because of temperature uprises can't proper functioning.
In the present embodiment, described sealing fluid passage is arranged on the seal casinghousing 110, described lubricant channel is arranged on described second gland 170, but, this does not constitute restriction of the present utility model, in actual applications, also sealing fluid passage, lubricant channel can be arranged on the miscellaneous part, as long as can satisfy the supply of sealing fluid, Lubricants according to actual conditions.
In sum, reactor seal arrangement of the present utility model is the combined labyrinth and carbon gland that the seal ring sealing combines with spiral seal, especially from axially setting gradually the spiral seal that utilizes the spiral seal body along described running shaft near described reactor side, utilize the seal ring sealing of seal ring, and under the situation of bearing, close reactor side in seal arrangement is provided with the spiral seal of good sealing effect, also can realize the better seal effect even be under the situation of vacuum state in reactor for example, and in seal arrangement, also be provided with the seal ring sealing, both can make the sealability complementation of spiral seal and seal ring sealing, help the miniaturization of spiral seal again, it is better to be easy to manufacturing and sealing effect, and can suppress to rotate shaft run-out by bearing, axial float.
In addition, each constituent elements of sealing device is comparatively simple, is easy to make, and exploitativeness is stronger, and this reactor is all comparatively convenient with assembling, the dismounting of seal arrangement, and technical requirements is not high, thereby less to the adverse effect of producing when urgency takes place.On the other hand, circuit sealing fluid, Lubricants also have the effect of cooling, can when realizing sealing, lubricating, provide a good temperature conditions with seal arrangement by reactor and the reactor for work by circuit sealing fluid, Lubricants, can alleviate mechanical wear thus, increase the service life, and prevent faults such as seize.
Though oneself discloses the utility model as above with better embodiment, the utility model is not to be defined in this.Any those skilled in the art in not breaking away from spirit and scope of the present utility model, all can do various changes and modification, and therefore protection domain of the present utility model should be as the criterion with claim institute restricted portion.
Claims (15)
1. reactor seal arrangement is sleeved on the outside of running shaft, and distolateral being plugged in the reactor of described running shaft is characterized in that, comprising:
Spiral seal body, one are connected on the described running shaft, have the sealing tooth that constitutes spiral seal;
At least one seal ring is sleeved on the described running shaft;
Seal casinghousing has the cavity of perforation, is sleeved on the described running shaft by described cavity, constitutes the space that is suitable for holding described spiral seal body, described seal ring.
According to claim 1 to described reactor seal arrangement, it is characterized in that described spiral seal body is near described reactor.
3. reactor seal arrangement according to claim 1 is characterized in that, the sealing tooth of described spiral seal body is a thread.
4. reactor seal arrangement according to claim 1 is characterized in that, described seal ring is an oil sealing.
5. reactor seal arrangement according to claim 1 is characterized in that, also comprises first gland, and described first gland is arranged on the described seal casinghousing, is used to seal an end of the close described reactor of described seal casinghousing.
6. reactor seal arrangement according to claim 1 is characterized in that, also comprises second gland, and described second gland is arranged on the described seal casinghousing, is used to seal the end away from described reactor of described seal casinghousing.
7. reactor seal arrangement according to claim 6 is characterized in that, also comprises lubricant channel, and described lubricant channel is arranged on described second gland.
8. reactor seal arrangement according to claim 7 is characterized in that, described lubricant channel is " L " type passage.
According to claim 1 to described reactor seal arrangement, it is characterized in that also comprise the sealing fluid passage, described sealing fluid passage is arranged on the described seal casinghousing.
10. reactor seal arrangement according to claim 9 is characterized in that, described sealing fluid passage is " ten " type passage.
11. reactor seal arrangement according to claim 1 is characterized in that, also comprises thermal insulating pad, described thermal insulating pad is arranged on the described running shaft, is positioned at the end of reactor with the close described reactor of seal arrangement.
12. reactor seal arrangement according to claim 1 is characterized in that, comprises that also one is connected the axle sleeve on the described running shaft, described reactor is connected with described running shaft by described axle sleeve with seal arrangement.
13. reactor seal arrangement according to claim 1 is characterized in that, also comprises bearing, described bearing housing is located on the described running shaft.
14. reactor seal arrangement according to claim 13 is characterized in that, described spiral seal body, seal ring and bearing are from close described reactor side axially setting gradually along described running shaft.
15. reactor seal arrangement according to claim 13 is characterized in that, described bearing is a selfaligning bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202413881U CN201696615U (en) | 2010-06-28 | 2010-06-28 | Reactor seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202413881U CN201696615U (en) | 2010-06-28 | 2010-06-28 | Reactor seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201696615U true CN201696615U (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202413881U Expired - Fee Related CN201696615U (en) | 2010-06-28 | 2010-06-28 | Reactor seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201696615U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994226A (en) * | 2013-08-19 | 2014-08-20 | 天津市富鑫达密封有限公司 | Multi-purpose type packaging double-end-face sealing device for agitated vessel top |
| CN105485347A (en) * | 2015-12-30 | 2016-04-13 | 孙建平 | Reaction still shaft sealing device |
| CN107725784A (en) * | 2017-09-05 | 2018-02-23 | 西安理工大学 | A kind of long-life low leakage finger tip high temperature fluid medium combination sealing arrangement |
| CN110185803A (en) * | 2019-05-21 | 2019-08-30 | 浙江工商大学 | Magnet fluid sealing axis with heat-insulated axis |
-
2010
- 2010-06-28 CN CN2010202413881U patent/CN201696615U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994226A (en) * | 2013-08-19 | 2014-08-20 | 天津市富鑫达密封有限公司 | Multi-purpose type packaging double-end-face sealing device for agitated vessel top |
| CN103994226B (en) * | 2013-08-19 | 2015-04-01 | 天津市富鑫达密封有限公司 | Multi-purpose type packaging double-end-face sealing device for agitated vessel top |
| CN105485347A (en) * | 2015-12-30 | 2016-04-13 | 孙建平 | Reaction still shaft sealing device |
| CN105485347B (en) * | 2015-12-30 | 2017-06-16 | 孙建平 | Reactor gland seal device |
| CN107725784A (en) * | 2017-09-05 | 2018-02-23 | 西安理工大学 | A kind of long-life low leakage finger tip high temperature fluid medium combination sealing arrangement |
| CN110185803A (en) * | 2019-05-21 | 2019-08-30 | 浙江工商大学 | Magnet fluid sealing axis with heat-insulated axis |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20180628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |