CN203823072U - Cartridge mechanical seal device - Google Patents
Cartridge mechanical seal device Download PDFInfo
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- CN203823072U CN203823072U CN201420229996.9U CN201420229996U CN203823072U CN 203823072 U CN203823072 U CN 203823072U CN 201420229996 U CN201420229996 U CN 201420229996U CN 203823072 U CN203823072 U CN 203823072U
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- ring
- seal
- axle sleeve
- big envelope
- stationary ring
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Abstract
The utility model discloses a cartridge mechanical seal device. The cartridge mechanical seal device comprises a shaft sleeve. The shaft sleeve is sleeved with a first seal assembly and a second seal assembly. The first seal assembly comprises a first moving ring and a seal sleeve, and the first moving ring is sleeved with the seal sleeve. The second seal assembly comprises a second moving ring and a mechanical seal sleeve, the mechanical seal sleeve is arranged outside the second moving ring, and a first stationary ring and a second stationary ring are arranged at the two ends of the mechanical seal sleeve respectively. The end of the first moving ring is attached to the end of the first stationary ring, the end of the second moving ring is attached to the end of the second stationary ring, and a cooling cavity is formed in the second seal assembly. When the cartridge mechanical seal device is used, an operator only needs to screw screws into the mechanical seal sleeve and equipment and tighten the screws, and installation is convenient. The first seal assembly is located inside the equipment, the second seal assembly is located outside the equipment, friction heat in the first seal assembly is dissipated through materials, friction heat in the second seal assembly is dissipated through cooling liquid, a heat dissipation effect is good, and the service life of the mechanical seal device is prolonged.
Description
Technical field
The utility model belongs to the seal arrangement of carrying flowing medium machinery, more specifically relates to a kind of integrated mechanical sealing device.
Background technique
Requiring explosion-proof, the electronics of anti-poisonous gas leakage, in the dispersing equipment of chemical industry, often need to high hardness as silica, high viscosity as epoxy resin, volatilely carry out decentralized treatment as corrosivity working mediums such as butanone, acetone, now the sealability of equipment is had relatively high expectations.Mechanical seal device is mainly used in shaft seal, in practical operation, the installation of mechanical seal device is had relatively high expectations to operator's, in addition, mechanical seal device can produce frictional heat when rotating along with axle, frictional heat is damaged larger to mechanical seal device, affect the working life of mechanical seal device.
Model utility content
In order to solve the problems of the technologies described above, the utility model provides a kind of good heat dissipation effect, durable, long service life, the convenient integrated mechanical sealing device of installing.
In order to reach above-mentioned technique effect, the technical solution of the utility model is as follows:
A kind of integrated mechanical sealing device, comprise axle sleeve, axle sleeve is arranged with the first black box and the second black box outward, the first black box comprises the first rotating ring and big envelope, the first rotating ring is arranged with big envelope outward, the second black box comprises the second rotating ring and machine big envelope, the organic big envelope of the second rotating ring peripheral hardware, the two ends of machine big envelope are respectively equipped with the first stationary ring and the second stationary ring, one end that machine big envelope arranges the second stationary ring is provided with machine shrouding, the end laminating of the end of the first rotating ring and the first stationary ring, the end laminating of the end of the second rotating ring and the second stationary ring, the second rotating ring, the first stationary ring, machine big envelope, space between machine shrouding and the second stationary ring is cooling chamber, on cooling chamber, offer cooling liquid inlet and cooling liquid outlet, cooling liquid inlet and cooling liquid outlet are positioned on machine big envelope.
Its beneficial effect is: the first black box is positioned at material cavity, the second black box is positioned at outside material cavity, the first rotating ring of the first black box and the laminating of the end of the first stationary ring form the dynamic seal (packing) to material cavity, play the effect of primary seal, prevent material from leakage; The second rotating ring of the second black box and the laminating of the end of the second stationary ring form the dynamic seal (packing) to cooling chamber, play the effect of auxiliary seal, prevent the leakage of cooling liquid; When the primary seal of the first rotating ring and the first stationary ring lost efficacy, the auxiliary seal of the second rotating ring and the second stationary ring prevents material from leakage, the material of needs sealing is had to the effect of double insurance.In use, this mechanical seal device is arranged on to the relevant position of equipment, operator only need be screwed into screw in machine big envelope and equipment and tighten, easy for installation, technical requirements to operator is lower, has saved the stopping production standby time of enterprise, has improved manufacturing efficiency.The first black box of the present utility model is positioned at the material cavity of equipment, the material that frictional heat in the first black box is carried by equipment dispels the heat, the second black box is positioned at device external, the cooling liquid that frictional heat in the second black box circulates by cooling chamber is dispelled the heat, the frictional heat source that has effectively disperseed the first black box and the second black box, radiating effect is better, has extended the working life of mechanical seal device.
In some embodiments, on cooling chamber, be also provided with thermometer mount inlet, in thermometer mount inlet, thermometer be installed.
Its beneficial effect is: thermometer, for measuring the temperature in cooling chamber, guarantees that the frictional heat of the second black box can be dispelled the heat in time.
In some embodiments, the first rotating ring comprises the first noumenon, the first spring and the first termination, in the first noumenon, be provided with the first draw-in groove, one end of the first spring is fastened in the first draw-in groove, the other end of the first spring is connected with the first termination, the first termination and the laminating of the first stationary ring, one end of the first termination and the laminating of the first stationary ring is kink shape, the second rotating ring comprises the second body, the second spring and the second termination, in the second body, be provided with the second draw-in groove, one end of the second spring is fastened in the second draw-in groove, the other end of the second spring is connected with the second termination, the second termination and the laminating of the second stationary ring, one end of the second termination and the laminating of the second stationary ring is kink shape.
Its beneficial effect is: the effect of primary seal is played in the laminating of the first termination and the first stationary ring, prevents the leakage of material; The first termination is the direction that kink shape can change the first acting force of the spring, disperses the active force of the first spring, reduces the first termination and the fricative frictional heat of the first stationary ring, is the mechanical seal of balance type single end face.The laminating of the second rotating ring and the second stationary ring not only can be played to the cooling liquid in cooling chamber the effect of sealing, can also to material, play the effect of auxiliary seal, in the situation that primary seal lost efficacy, material is had to seal action; The second termination is the direction that kink shape can change the second acting force of the spring, disperses the active force of the second spring, reduces the second termination and the fricative frictional heat of the second stationary ring, is the mechanical seal of balance type single end face.
In some embodiments, one end of axle sleeve is provided with the first seal ring, and the first seal ring is positioned on the madial wall of axle sleeve, and the other end of axle sleeve is provided with stiffening ring, and stiffening ring is connected by the 3rd Cock screw with axle sleeve.
Its beneficial effect is: in use, axle sleeve is set on main shaft, the first seal ring has guaranteed the sealability between main shaft and axle sleeve, prevents that material from overflowing from the gap between main shaft and axle sleeve, and stiffening ring is fixed on axle sleeve on main shaft.
In some embodiments, between the first rotating ring and axle sleeve, by the first Cock screw, be connected, between the first rotating ring and axle sleeve, be provided with the second seal ring, between big envelope and the first rotating ring, be provided with the 3rd seal ring and the 4th seal ring, the 3rd seal ring and the 4th seal ring are positioned at the two ends of the madial wall of big envelope.
Its beneficial effect is: the first Cock screw guarantees that the first rotating ring and axle sleeve synchronously rotate, the second seal ring has guaranteed the sealability between the first rotating ring and axle sleeve, prevent that material from entering the space between the first rotating ring and axle sleeve, the 3rd seal ring and the 4th seal ring at big envelope two ends seal big envelope and the first rotating ring, prevent that material from entering the first rotating ring and damaging the first rotating ring.
In some embodiments, the second rotating ring is connected by the second Cock screw with axle sleeve, is provided with the 5th seal ring between the second rotating ring and axle sleeve.
Its beneficial effect is: the second Cock screw guarantees that the second rotating ring and axle sleeve synchronously rotate, and the 5th seal ring has guaranteed the sealability between the second rotating ring and axle sleeve, prevents that material from entering the space between the second rotating ring and axle sleeve.
In some embodiments, on the first stationary ring, be arranged with successively plane back-up ring and circlip, between the first stationary ring and machine big envelope, be provided with the 6th seal ring, between the second stationary ring and machine shrouding, be provided with the 7th seal ring, between machine big envelope and machine shrouding, be provided with the 8th seal ring.
Its beneficial effect is: the first stationary ring and the second stationary ring are set on axle sleeve, and machine big envelope maintains static by the first stationary ring and the second stationary ring, and plane back-up ring and circlip are fixing in the axial direction by the first stationary ring, prevent the first stationary ring vibration in the axial direction; The 6th seal ring seals the gap between the first stationary ring and machine big envelope, prevent that material from entering cooling chamber, the 7th seal ring seal the gap between the second stationary ring and machine shrouding, the 8th seal ring has sealed the gap between machine big envelope and machine shrouding, prevents that cooling liquid from leaking.
In some embodiments, the first black box is made by metallic material, and the second black box is made by corrosion resistant material.
Its beneficial effect is: the first black box is made by alloy material, and the second black box is made by corrosion resistant material.In actual use, the first black box is arranged in material, and the hardness and viscosity of material particles is higher, and therefore the first black box will adopt the alloy material of antiwear heat resisting to make.In the second black box, be injected with cooling liquid, adopt corrosion resistant material to make, prevent that cooling liquid from corroding the second black box.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the specific embodiment of the invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the side cross-sectional schematic of the integrated mechanical sealing device of the utility model one mode of execution;
Fig. 2 is the end view of the integrated mechanical sealing device of the utility model one mode of execution;
Fig. 3 is the structural representation of the integrated mechanical sealing device of the utility model one mode of execution;
Fig. 4 is the first rotating ring of integrated mechanical sealing device and the structural representation of the first stationary ring of the utility model one mode of execution.
The title of digital represented corresponding part in figure:
1. main shaft, 2. axle sleeve, 3. the first seal ring, 4. the first rotating ring, 41. the first noumenons, 42. first springs, 43. first terminations, 5. the 3rd seal ring, 6. the first Cock screw, 7. the second seal ring, 8. big envelope, 9. the 4th seal ring, 10. the first stationary ring, 11. circlips, 12. plane back-up rings, 13. machine big envelopes, 14. the 9th seal rings, 15. the 6th seal rings, 16. cooling chambers, 17. second Cock screws, 18. the 5th seal rings, 19. second rotating rings, 20. thermometer mount inlets, 21. second stationary rings, 22. the 8th seal rings, 23. the 7th seal rings, 24. stiffening rings, 25. the 3rd Cock screws, 26. machine shroudings, 271. cooling liquid inlet, 272. cooling liquid outlet.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described.
As shown in Figures 1 to 3, the utility model discloses a kind of integrated mechanical sealing device and comprises the axle sleeve 2 being set in machine spindle 1.Outer the first black box and the second black box of being arranged with successively of axle sleeve 2.The first black box comprises the outer big envelope 8 that is arranged with of the first rotating ring 4, the first rotating ring 4.The second black box comprises the organic big envelope 13 of the second rotating ring 19, the second rotating ring 19 peripheral hardware.The two ends of machine big envelope 13 are respectively equipped with the first stationary ring 10 and the second stationary ring 21.The end laminating of the end of the first rotating ring 4 and the first stationary ring 10, the end laminating of the end of the second rotating ring 19 and the second stationary ring 21, the first stationary ring 10 does not contact with the second rotating ring 19.
On the madial wall of one end of axle sleeve 2, offer groove, in groove, be arranged with the first seal ring 3, the first seal rings 3 and guaranteed the sealability between main shaft 1 and axle sleeve 2, prevent that material from entering the space between main shaft 1 and axle sleeve 2.The other end of axle sleeve 2 is provided with stiffening ring 24, and stiffening ring 24 can be strengthened the position of fixed axle sleeve 2.Stiffening ring 24 is provided with three screws and three through holes, is correspondingly provided with three screws and three through holes on axle sleeve 2, thereby the 3rd Cock screw 25 is fixedly connected with stiffening ring 24 with the screw on axle sleeve 2 by being screwed into stiffening ring 24 with axle sleeve 2; Thereby tight fixed bolt is fixed on stiffening ring 24 and axle sleeve 2 on main shaft 1 by the through hole on stiffening ring 24 and axle sleeve 2 again, axle sleeve 2 is fixedly connected with main shaft 1 and synchronously rotates.Between the first rotating ring 4 and axle sleeve 2, by the first Cock screw 6, be connected, the first Cock screw 6 synchronously rotates the first rotating ring 4 and axle sleeve 2.Between the first rotating ring 4 and axle sleeve 2, be provided with the second seal ring 7, the second seal rings 7 and sealed the gap between the first rotating ring 4 and axle sleeve 2, prevent that material from entering the gap between the first rotating ring 4 and axle sleeve 2.The two ends of big envelope 8 madial walls are respectively equipped with the 3rd seal ring 5 and the 4th seal ring 9, the three seal rings 5 and the 4th seal ring 9 big envelope 8 and the first rotating ring 4 are sealed, and prevent that material from entering the first rotating ring 4 and damage the first rotating ring 4.The second rotating ring 19 is connected with axle sleeve 2 by the second Cock screw 17, and the second Cock screw 17 synchronously rotates the second rotating ring 19 and axle sleeve 2.The gap being provided with between the second rotating ring 19 and axle sleeve 2 between 18 pairs of the second rotating rings 19 of the 5th seal ring 18, the five seal ring and axle sleeve 2 seals, and prevents that cooling liquid from entering into the second rotating ring 19 and damages the second rotating ring 19.The end of machine big envelope 13 is provided with machine shrouding 26, and the two ends of machine big envelope 13 madial walls are respectively equipped with the first stationary ring 10 and the second stationary ring 21.Projection on machine shrouding 26 is fastened in the space of the second stationary ring 21 and machine big envelope 13 ends.Space between the second rotating ring 19, the first stationary ring 10, machine big envelope 13, machine shrouding 26 and the second stationary ring 21 is cooling chamber 16, offers thermometer mount inlet 20, cooling liquid inlet 271 and cooling liquid outlet 272 on cooling chamber 16.Cooling liquid is injected in cooling chamber 16 from cooling liquid inlet, from cooling liquid outlet, discharges cooling chamber 16.The cooling liquid circulating in cooling chamber 16 is for cooling the second black box.In thermometer mount inlet 20, thermometer is installed, for measuring the temperature in cooling chamber 16, guarantees that the frictional heat of the second black box can be dispelled the heat in time.Between machine shrouding 26 and the second stationary ring 21, be provided with the 7th seal ring 23, the seven seal rings 23 and sealed the gap between the second stationary ring 21 and machine shrouding 26, prevent cooling liquid leakage.Between machine big envelope 13 and machine shrouding 26, be provided with the 8th seal ring 22, the eight seal rings 22 and sealed the gap between machine big envelope 13 and machine shrouding 26, prevent that the cooling liquid in cooling chamber 16 from leaking.Between the first stationary ring 10 and machine big envelope 13, be provided with the gap between the 6th seal ring 15, the six seal ring 15 sealing the first stationary rings 10 and machine big envelope 13, prevent that material from entering cooling chamber 16.On the first stationary ring 10, be arranged with successively plane back-up ring 12 and circlip 11, plane back-up ring 12 and elasticity baffle ring are positioned at the inner side of the first stationary ring 10, and plane back-up ring 12 is between elasticity baffle ring and the first stationary ring 10.Plane back-up ring 12 and circlip 11 are fixing in the axial direction by the first stationary ring 10, prevent the first stationary ring 10 vibration in the axial direction.On machine big envelope 13, be also provided with the 9th seal ring 14, mechanical seal device is installed in the pump housing, the sealability that the 9th seal ring 14 guarantees between machine shrouding 13 and the pump housing, prevents the leakage of material.
As shown in Figure 4, the first rotating ring 4 comprises the first noumenon 41, the first spring 42 and the first termination 43.In the first noumenon 41, be provided with the first draw-in groove, one end of the first spring 42 is fastened in the first draw-in groove, and the other end of the first spring 42 is connected with the first termination 43.Under the effect of the restoring force of the first spring 42, the first termination 43 and the first stationary ring 10 are tightly fitted.One end of the first termination 43 and the first stationary ring 10 laminatings is kink shape, can change the direction of the first spring 42 active forces, the active force that disperses the first spring 42, reduces the first termination 43 and the fricative frictional heat of the first stationary ring 10, is the mechanical seal of balance type single end face.The second rotating ring 19 comprises the second body, the second spring and the second termination, is provided with the second draw-in groove in the second body, and one end of the second spring is fastened in the second draw-in groove, and the other end of the second spring is connected with the second termination.Under the effect of the restoring force of the second spring, the second termination and the second stationary ring 21 are tightly fitted.One end of the second termination and the second stationary ring 21 laminatings is kink shape, can change the direction of the second acting force of the spring, disperses the active force of the second spring, reduces the second termination and the fricative frictional heat of the first stationary ring, is the mechanical seal of balance type single end face.Dispersible the vertical of the second spring, reduce the second termination and the fricative frictional heat of the second stationary ring 21.
The first black box is made by alloy material, and the second black box is made by corrosion resistant material.In actual use, the first black box is arranged in material, and the hardness and viscosity of material particles is higher, and therefore the first black box will adopt the alloy material of antiwear heat resisting to make.In the second black box, be injected with cooling liquid, adopt corrosion resistant material to make, prevent that cooling liquid from corroding the second black box.In the present embodiment, the first black box adopts tungsten alloy to make, and the second black box adopts silicon carbide to make.
The utility model is integrated mechanical sealing device, in use, this mechanical seal device is arranged on to the relevant position of equipment, operator only need be screwed into screw in machine big envelope and equipment and tighten, easy for installation, technical requirements to operator is lower, has saved the stopping production standby time of enterprise, has improved manufacturing efficiency.The first black box is positioned at material cavity, and the second black box is positioned at outside material cavity, and the first rotating ring 4 of the first black box and the laminating of the end of the first stationary ring 10 form the dynamic seal (packing) to material cavity, play the effect of primary seal, prevent material from leakage; The second rotating ring 19 of the second black box and the laminating of the end of the second stationary ring 21 form the dynamic seal (packing) to cooling chamber 16, play the effect of auxiliary seal, prevent the leakage of cooling liquid; When the primary seal of the first moving 4 rings and the first stationary ring 10 lost efficacy, the auxiliary seal of the second rotating ring 19 and the second stationary ring 21 prevents material from leakage, the material of needs sealing is had to the effect of double insurance.The first black box of the present utility model is positioned at the material cavity of equipment, the material that frictional heat in the first black box is carried by equipment dispels the heat, the second black box is positioned at device external, the cooling liquid that frictional heat in the second black box circulates by cooling chamber 16 is dispelled the heat, the frictional heat source that has effectively disperseed the first black box and the second black box, radiating effect is better, has extended the working life of mechanical seal device.
Above-described is only the preferred implementation of the utility model integrated mechanical sealing device; for those skilled in the art; not paying under the prerequisite of creative work, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (8)
1. an integrated mechanical sealing device, it is characterized in that, comprise axle sleeve, described axle sleeve is arranged with the first black box and the second black box outward, described the first black box comprises the first rotating ring and big envelope, described the first rotating ring is arranged with described big envelope outward, described the second black box comprises the second rotating ring and machine big envelope, described the second rotating ring peripheral hardware has described machine big envelope, the two ends of described machine big envelope are respectively equipped with the first stationary ring and the second stationary ring, one end that described machine big envelope arranges the second stationary ring is provided with machine shrouding, the end laminating of the end of described the first rotating ring and described the first stationary ring, the end laminating of the end of described the second rotating ring and described the second stationary ring, described the second rotating ring, the first stationary ring, machine big envelope, space between machine shrouding and the second stationary ring is cooling chamber, on described cooling chamber, offer cooling liquid inlet and cooling liquid outlet, described cooling liquid inlet and cooling liquid outlet are positioned on described machine big envelope.
2. integrated mechanical sealing device according to claim 1, is characterized in that, is also provided with thermometer mount inlet on described cooling chamber, in described thermometer mount inlet, thermometer is installed.
3. integrated mechanical sealing device according to claim 1, it is characterized in that, described the first rotating ring comprises the first noumenon, the first spring and the first termination, in described the first noumenon, be provided with the first draw-in groove, one end of described the first spring is fastened in the first draw-in groove, the other end of described the first spring is connected with described the first termination, described the first termination and described the first stationary ring laminating, one end of described the first termination and described the first stationary ring laminating is kink shape, described the second rotating ring comprises the second body, the second spring and the second termination, in described the second body, be provided with the second draw-in groove, one end of described the second spring is fastened in the second draw-in groove, the other end of described the second spring is connected with described the second termination, described the second termination and described the second stationary ring laminating, one end of described the second termination and described the second stationary ring laminating is kink shape.
4. integrated mechanical sealing device according to claim 3, it is characterized in that, one end of described axle sleeve is provided with the first seal ring, described the first seal ring is positioned on the madial wall of described axle sleeve, the other end of described axle sleeve is provided with stiffening ring, and described stiffening ring is connected by the 3rd Cock screw with described axle sleeve.
5. integrated mechanical sealing device according to claim 4, it is characterized in that, between described the first rotating ring and described axle sleeve, by the first Cock screw, be connected, between described the first rotating ring and described axle sleeve, be provided with the second seal ring, between described big envelope and described the first rotating ring, be provided with the 3rd seal ring and the 4th seal ring, described the 3rd seal ring and the 4th seal ring lay respectively at the two ends of described big envelope madial wall.
6. integrated mechanical sealing device according to claim 5, is characterized in that, described the second rotating ring is connected by the second Cock screw with described axle sleeve, is provided with the 5th seal ring between described the second rotating ring and described axle sleeve.
7. integrated mechanical sealing device according to claim 6, it is characterized in that, on described the first stationary ring, be arranged with successively plane back-up ring and circlip, between described the first stationary ring and described machine big envelope, be provided with the 6th seal ring, between described the second stationary ring and described machine shrouding, be provided with the 7th seal ring, between described machine big envelope and described machine shrouding, be provided with the 8th seal ring.
8. integrated mechanical sealing device according to claim 7, is characterized in that, described the first black box is made by alloy material, and described the second black box is made by corrosion resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229996.9U CN203823072U (en) | 2014-05-06 | 2014-05-06 | Cartridge mechanical seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229996.9U CN203823072U (en) | 2014-05-06 | 2014-05-06 | Cartridge mechanical seal device |
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| Publication Number | Publication Date |
|---|---|
| CN203823072U true CN203823072U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420229996.9U Active CN203823072U (en) | 2014-05-06 | 2014-05-06 | Cartridge mechanical seal device |
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| CN (1) | CN203823072U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989828A (en) * | 2015-06-17 | 2015-10-21 | 宁波东联密封件有限公司 | Mechanical seam with improved structure |
| CN105090515A (en) * | 2014-05-06 | 2015-11-25 | 曹文杰 | Integrally mounted mechanical seal device |
| CN105545795A (en) * | 2016-01-05 | 2016-05-04 | 安徽绿源泵阀制造有限公司 | Novel water cooling acid-resistant, alkali-resistant and high-temperature-resistant packaged type mechanical seal |
| CN105626872A (en) * | 2016-03-30 | 2016-06-01 | 张家港市鑫泉密封件有限公司 | Container packaging type mechanical seal |
| CN108518484A (en) * | 2018-06-01 | 2018-09-11 | 芜湖市中天密封件有限公司 | A kind of high temperature sludge dryer sealing element |
| CN108679226A (en) * | 2018-06-01 | 2018-10-19 | 芜湖市中天密封件有限公司 | A kind of high temperature sludge dryer sealing element that structural strength is high |
-
2014
- 2014-05-06 CN CN201420229996.9U patent/CN203823072U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090515A (en) * | 2014-05-06 | 2015-11-25 | 曹文杰 | Integrally mounted mechanical seal device |
| CN104989828A (en) * | 2015-06-17 | 2015-10-21 | 宁波东联密封件有限公司 | Mechanical seam with improved structure |
| CN105545795A (en) * | 2016-01-05 | 2016-05-04 | 安徽绿源泵阀制造有限公司 | Novel water cooling acid-resistant, alkali-resistant and high-temperature-resistant packaged type mechanical seal |
| CN105626872A (en) * | 2016-03-30 | 2016-06-01 | 张家港市鑫泉密封件有限公司 | Container packaging type mechanical seal |
| CN108518484A (en) * | 2018-06-01 | 2018-09-11 | 芜湖市中天密封件有限公司 | A kind of high temperature sludge dryer sealing element |
| CN108679226A (en) * | 2018-06-01 | 2018-10-19 | 芜湖市中天密封件有限公司 | A kind of high temperature sludge dryer sealing element that structural strength is high |
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