CN212509524U - Mechanical sealing device suitable for variable working condition upstream pumping - Google Patents

Mechanical sealing device suitable for variable working condition upstream pumping Download PDF

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Publication number
CN212509524U
CN212509524U CN202021197551.9U CN202021197551U CN212509524U CN 212509524 U CN212509524 U CN 212509524U CN 202021197551 U CN202021197551 U CN 202021197551U CN 212509524 U CN212509524 U CN 212509524U
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CN
China
Prior art keywords
shell
working condition
wall
variable working
ring
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Expired - Fee Related
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CN202021197551.9U
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Chinese (zh)
Inventor
赵文凯
王金刚
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Xian Shiyou University
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Xian Shiyou University
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Priority to CN202021197551.9U priority Critical patent/CN212509524U/en
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Publication of CN212509524U publication Critical patent/CN212509524U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an upstream pumping mechanical sealing device suitable for variable working conditions, which relates to the technical field of upstream pump sealing and comprises a first shell, wherein the right side of the first shell is connected with a second shell in a clamping way, bolts are inserted into the right side of the first shell and the left side of the second shell, a static ring is connected with the inner wall of the second shell in a clamping way, and the inner wall of the static ring is provided with a liquid passing hole; the utility model discloses in, to the parking of pump equipment, start, the operation, each operating mode of reversal can both keep good encapsulated situation, set up annular intercommunication groove, make sealed liquid play the lubricated effect in advance to the seal face when equipment is static, avoid sound ring dry friction to take place, fill sealed liquid to the seal groove, can prevent that rotation axis or sealed intracavity solid particle from getting into the seal face, play the effect of liquid seal protection to the seal face, upper reaches pump sending mechanical seal device after optimizing makes sealing system more can long-term steady operation, detect inside constantly, prevent danger, protection device's safe operation.

Description

Mechanical sealing device suitable for variable working condition upstream pumping
Technical Field
The utility model belongs to the technical field of the upper reaches pump seal, concretely relates to be applicable to variable operating mode upper reaches pump sending mechanical seal device.
Background
In the petrochemical industry, for some flammable and explosive hydrocarbon media, centrifugal pumps and compressors are generally used for conveying, sealing devices of the devices generally adopt non-contact mechanical seals to prevent media from leaking, and upstream pumping mechanical seals are used as sealing technologies newly developed in recent years and widely applied to flammable and explosive and other flammable and combustible media seals due to the characteristics of zero leakage and non-contact.
The existing mechanical sealing device suitable for variable working condition upstream pumping is used in the process of using, in actual production, due to the fact that the mechanical sealing device deviates from a normal design working state and runs due to the change of a sealing medium working environment, dry friction is caused when the mechanical pump equipment is started and stopped and the sealing medium is subjected to phase change and the like, the dynamic ring and the static ring are in mutual contact, and therefore the temperature of the end face of a friction pair rises sharply, the service life of the friction pair is affected, and the wear-resistant ring cannot be timely reminded when damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applicable to variable operating mode upper reaches pump sending mechanical seal device to propose current one kind in solving above-mentioned background art and be applicable to variable operating mode upper reaches pump sending mechanical seal device in the use, because easy wearing and tearing, the problem of life-span weak point and no alarm.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be applicable to variable operating mode upper reaches pump sending mechanical seal device, includes first shell, the right side joint of first shell has the second shell, the right side of first shell, the left side of second shell are pegged graft and are had the bolt, the inner wall joint of second shell has quiet ring, the inner wall of quiet ring has been seted up and has been crossed the liquid hole.
The inner wall fixedly connected with pressure measurement of first shell, pressure measurement's wiring end electric connection has temperature-detecting device, temperature-detecting device's wiring end electric connection has signal alarm device, signal alarm device's wiring end electric connection has the battery, the wiring end electric connection of battery has the warning light, the wiring end electric connection of warning light has loudspeaker.
Preferably, the left side of the stationary ring is movably connected with a movable ring, and the outer wall of the movable ring is provided with a ring groove.
Preferably, the left side fixedly connected with slider of rotating ring, the crack department joint between the left side of rotating ring, the right side of slider has the sealing washer.
Preferably, the left side welding of slider has the spring, the left end welding of spring has the fixed block.
Preferably, the bottom of the fixed block is movably connected with a shaft sleeve, and the inner wall of the shaft sleeve is movably connected with a rotating shaft.
Preferably, the outer wall of the second shell is provided with a sealing liquid bin, and the inner wall of the sealing liquid bin is clamped with a liquid level detection device.
Preferably, the right side welding of second shell has the fixture block, the fixture block threaded connection who sets up through the right side of second shell has the set screw.
Preferably, the inner walls of the first shell and the second shell are provided with water cooling layers.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the rotation axis of having designed the installation, when it rotates, it is rotatory by the axle sleeve drive rotating ring, the annular has been seted up to the rotating ring, the through-hole has been seted up to quiet ring, refuel toward in the sealed liquid storehouse, between rotating, fluid has flowed in advance to the empty storehouse between quiet ring and the rotating ring, parking to the machine pump equipment, start, operation, the reversal, each operating mode can both keep good encapsulated situation, set up annular intercommunication groove, make sealed liquid play the lubricated effect in advance to the seal face when equipment is static, avoid the sound ring to take place dry friction, through filling sealed liquid to the seal groove, can prevent that rotation axis or sealed intracavity solid particle from getting into the seal face, play the effect of liquid seal protection to the seal face, the upper reaches pump sending mechanical seal device after the optimization makes sealing system more can long-term steady operation.
2. Through the liquid level detection device who has designed the installation, can detect the surplus of liquid in the sealed liquid storehouse, can report to the police and inform when crossing liquid level detection device, the water-cooling layer in first shell and the second shell can dispel the heat, prevent inside high temperature, damage inside component, temperature detection device and pressure detection device detect inside pressure and temperature, in case too high, can carry out the police dispatch newspaper through warning light and loudspeaker, signal alarm device also reports to the police, detect constantly, prevent danger, protection device's safe operation.
Drawings
FIG. 1 is a schematic sectional view of the structure of the present invention;
FIG. 2 is a schematic view of the movable ring structure of the present invention;
FIG. 3 is a schematic top view of the movable ring structure of the present invention;
fig. 4 is a schematic sectional view of the movable ring structure of the present invention.
In the figure: 1. a first housing; 2. a second housing; 3. screwing the screw; 4. a rotating shaft; 5. a liquid level detection device; 6. sealing the liquid cabin; 7. a stationary ring; 8. a moving ring; 9. a seal ring; 10. a shaft sleeve; 11. a slider; 12. a fixed block; 13. a spring; 14. a temperature detection device; 15. a pressure detection device; 16. a water-cooling layer; 17. a signal alarm device; 18. a horn; 19. a warning light; 20. a storage battery; 21. and a ring groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a be applicable to variable operating mode upper reaches pump sending mechanical seal device, includes first shell 1, and the right side joint of first shell 1 has second shell 2, and the right side of first shell 1, the left side of second shell 2 are pegged graft and are had the bolt, and the inner wall joint of second shell 2 has quiet ring 7, and the liquid hole has been seted up to the inner wall of quiet ring 7.
In this embodiment, the inner wall of quiet ring 7 has been seted up and has been crossed the liquid hole, laminates mutually with rotating ring 8, and spring 13 makes rotating ring 8 and quiet ring 7 paste tightly under the reaction force of fixed block 12, sets up annular intercommunication groove and makes sealing liquid play the lubricated effect in advance to the sealed terminal surface when equipment is static, avoids the rotating ring to take place dry friction.
Specifically, the inner wall fixedly connected with pressure measurement 15 of first shell 1, pressure measurement 15's model is hp203b, pressure measurement 15's wiring end electric connection has temperature-detecting device 14, temperature-detecting device 14's model is RDXL4SD, temperature-detecting device 14's wiring end electric connection has signal alarm device 17, signal alarm device 17's wiring end electric connection has battery 20, battery 20's wiring end electric connection has warning light 19, warning light 19's wiring end electric connection has loudspeaker 18.
In this embodiment, the pressure detection device 15 and the temperature detection device 14 detect the internal pressure and temperature, once the internal pressure and temperature are too high, the speaker 18 and the warning lamp 19 give an alarm, the signal alarm device 17 remotely notifies the user's terminal to detect the internal pressure and temperature in time, and once the internal pressure and temperature are too high, the alarm is immediately given.
Specifically, the left side of the stationary ring 7 is movably connected with a movable ring 8, and the outer wall of the movable ring 8 is provided with a ring groove 21.
In this embodiment, cross the liquid hole and can lubricate the sound ring clearance through fluid, prevent that the dry friction from taking place for movable ring 8 and quiet ring 7.
Specifically, the left side of the rotating ring 8 is fixedly connected with a sliding block 11, and a sealing ring 9 is arranged at a crack between the left side of the rotating ring 8 and the right side of the sliding block 11.
In this embodiment, the slider 11 is pushed by the spring 13 to move, so that the movable ring 8 and the stationary ring 7 are attached to each other.
Specifically, a spring 13 is welded on the left side of the sliding block 11, and a fixed block 12 is welded at the left end of the spring 13.
In this embodiment, the spring 13 is mounted on the fixing block 12, which is convenient for use.
Specifically, the bottom of the fixed block 12 is movably connected with a shaft sleeve 10, and the inner wall of the shaft sleeve 10 is movably connected with a rotating shaft 4.
In this embodiment, the shaft sleeve 10 is mounted on the rotating shaft 4 for convenience of use.
Specifically, sealed liquid storehouse 6 has been seted up to the outer wall of second shell 2, and the inner wall joint of sealed liquid storehouse 6 has liquid level detection device 5, liquid level detection device 5's model CB 9080L.
In this embodiment, the liquid level detection device 5 is installed in the sealed liquid tank 6, and can detect the oil in the sealed liquid tank 6.
Specifically, the right side welding of second shell 2 has the fixture block, and the fixture block threaded connection who sets up is passed through on the right side of second shell 2 has tacking screw 3.
In this embodiment, the set screw 3 is installed on the second housing 2, and is fixed firmly and not easy to loosen.
Specifically, the inner walls of the first casing 1 and the second casing 2 are both provided with water cooling layers 16.
In this embodiment, the inner walls of the first housing 1 and the second housing 2 are provided with the water cooling layer 16, the water cooling layer 16 can dissipate heat, the water inside the water cooling layer 16 adopts mixed salt water, the heat dissipation effect of the salt water is good, and the price is low.
The utility model discloses a theory of operation and use flow: after the device installation is accomplished, when rotation axis 4 rotates, spring 13 promotes slider 11, make movable ring 8 toward being close to on the quiet ring 7, the through-hole has been seted up to quiet ring 7, refuel toward in the sealed liquid storehouse 6, between rotating, fluid has flowed in advance in the empty storehouse between movable ring 8 and the quiet ring 7, liquid level detection device 5 detects the surplus of liquid in the sealed liquid storehouse 6, water-cooling layer 16 in first shell 1 and the second shell 2 can dispel the heat, temperature-detecting device 14 detects inside pressure and temperature with pressure-detecting device 15, in case too high, can carry out the police dispatch newspaper through warning light 19 and loudspeaker 18, signal alarm device 17 also reports to the police.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A mechanical seal device suitable for variable working condition upstream pumping comprises a first shell (1), and is characterized in that: a second shell (2) is clamped on the right side of the first shell (1), bolts are inserted on the right side of the first shell (1) and the left side of the second shell (2), a static ring (7) is clamped on the inner wall of the second shell (2), and a liquid passing hole is formed in the inner wall of the static ring (7);
the inner wall fixedly connected with pressure measurement (15) of first shell (1), the wiring end electric connection of pressure measurement (15) has temperature-detecting device (14), the wiring end electric connection of temperature-detecting device (14) has signal alarm device (17), the wiring end electric connection of signal alarm device (17) has battery (20), the wiring end electric connection of battery (20) has warning light (19), the wiring end electric connection of warning light (19) has loudspeaker (18).
2. The sealing device for the upstream pumping machinery suitable for the variable working condition according to claim 1, is characterized in that: the left side swing joint of quiet ring (7) has rotating ring (8), annular (21) have been seted up to the outer wall of rotating ring (8).
3. The sealing device for the upstream pumping machinery suitable for the variable working condition according to claim 2, is characterized in that: the left side fixedly connected with slider (11) of rotating ring (8), the crack department joint between the left side of rotating ring (8), the right side of slider (11) has sealing washer (9).
4. The sealing device for the upstream pumping machinery suitable for the variable working condition according to claim 3, is characterized in that: the left side welding of slider (11) has spring (13), the left end welding of spring (13) has fixed block (12).
5. The sealing device for the upstream pumping machinery suitable for the variable working condition according to claim 4, is characterized in that: the bottom of fixed block (12) swing joint has axle sleeve (10), the inner wall swing joint of axle sleeve (10) has rotation axis (4).
6. The sealing device for the upstream pumping machinery suitable for the variable working condition according to claim 1, is characterized in that: sealed liquid storehouse (6) have been seted up to the outer wall of second shell (2), the inner wall joint of sealed liquid storehouse (6) has liquid level detection device (5).
7. The sealing device for the upstream pumping machinery suitable for the variable working condition according to claim 1, is characterized in that: the right side welding of second shell (2) has the fixture block, the fixture block threaded connection who sets up through the right side of second shell (2) has tacking screw (3).
8. The sealing device for the upstream pumping machinery suitable for the variable working condition according to claim 1, is characterized in that: the inner walls of the first shell (1) and the second shell (2) are provided with water cooling layers (16).
CN202021197551.9U 2020-06-24 2020-06-24 Mechanical sealing device suitable for variable working condition upstream pumping Expired - Fee Related CN212509524U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021197551.9U CN212509524U (en) 2020-06-24 2020-06-24 Mechanical sealing device suitable for variable working condition upstream pumping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021197551.9U CN212509524U (en) 2020-06-24 2020-06-24 Mechanical sealing device suitable for variable working condition upstream pumping

Publications (1)

Publication Number Publication Date
CN212509524U true CN212509524U (en) 2021-02-09

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ID=74438723

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021197551.9U Expired - Fee Related CN212509524U (en) 2020-06-24 2020-06-24 Mechanical sealing device suitable for variable working condition upstream pumping

Country Status (1)

Country Link
CN (1) CN212509524U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113007353A (en) * 2021-02-23 2021-06-22 湖北菲博尔高温节能科技有限公司 Bearing non-contact type sealing device and method of high-speed numerical control machine tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113007353A (en) * 2021-02-23 2021-06-22 湖北菲博尔高温节能科技有限公司 Bearing non-contact type sealing device and method of high-speed numerical control machine tool

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210209

Termination date: 20210624