CN206801930U - Leakage alarm sealing device - Google Patents
Leakage alarm sealing device Download PDFInfo
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- CN206801930U CN206801930U CN201720641206.1U CN201720641206U CN206801930U CN 206801930 U CN206801930 U CN 206801930U CN 201720641206 U CN201720641206 U CN 201720641206U CN 206801930 U CN206801930 U CN 206801930U
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Abstract
The utility model leakage alarm sealing device, the leakage for single mechanical end face seal are alarmed, and the sealing device includes：Single mechanical end face seal, bearing bracket stand, leakage inductive device and controller, single mechanical end face seal is arranged in the annular seal space of pump pump cover, in pump cover bearing bracket stand is connected with close to one end of gland, bearing bracket stand is either internally or externally provided with the leakage inductive device that can monitor the pump single mechanical end face seal, leakage inductive device external controller, controller are connected with onsite alarming device or remote control room.Structure is novel, and cheap easy for installation；Different monitoring mode can be selected according to the security and on-site actual situations of pumped medium, liquid-collecting box and leakage inductive device are used in combination, leakage medium is collected while alarm, it also can detect that specific leakage position, it is more efficient, without artificial on-the-spot make an inspection tour, reduce the quantity of live patrol officer, security is added, finds seal leakage more promptly and accurately.
Description
Technical field：
It the utility model is related to technical field of sealing technology, and in particular to one kind leakage alarm sealing device.
Background technology：
Mechanical seal is consumable accessory in centrifugal pump, and stopping or evacuating now occur often in the operating of some special operation condition pumps
As, mechanical seal damage frequency is higher, with technological progress, mechanical seal cost with just start introduce when compared with dropped significantly
It is low, the double mechanical seal with monitoring alarm function is used one after another in many dangerous working conditions to facilitate, and feelings are revealed to mechanical seal
Condition is monitored, but in the wild or some operating modes because scene can not to fluid reservoir provide cooling water cool to insulating liquid in tank, make
It can not be used into double mechanical seal, and have to be continuing with single mechanical end face seal.And double mechanical seal valency
Lattice are expensive, some be not very important pump position and economic situation not to be that good enterprise is cost limited can not install Double End
Mechanical seal.Some dangerous working conditions are limited by pump configuration can not also install double mechanical seal.It is existing to use single end face machinery
Whether the pump position mechanical seal of sealing, which is revealed, can only lean on inspector's inspection, and because monitoring time interval is longer, leakage rate is less or firm
Start easy missing inspection during leakage, inspector has often revealed many media when finding.And convey the pump position of poisonous and harmful medium
Inspection is even more easily to be damaged to patrol officer.China is vast in territory, and north-south climate difference is very big.North of china in winter is very long, very
More pump positions are in outdoor, and icing, bad removing can be formed by flowing to ground after liquid medium leakage.Once the poisonous and harmful processing of medium
Get up even more troublesome.Therefore inventing a kind of just can in time find in mechanical seal leakage and realize remote alarms price is low again initial stage
Honest and clean alarm sealing device turns into the problem of in the urgent need to address.
Single mechanical end face seal has following leakage point：1. between axle sleeve and pump shaft, 2. single mechanical end face seal and axle
Between set, 3. between single mechanical end face seal and gland, end face that 4. gland is connected with pump cover, 5. single mechanical end face seal rubs
Pair is wiped, when pump operation works, the above seal of some is easy to damage and leaked, because leak position is different, once
To reveal, the medium of leakage flows to ground from gland and pump cover sealing surface, gland back surfaces and inner hole of shaft sleeve respectively, if
Leakage point can be predicted in advance, so that it may realize that remote monitoring judges damage part and carry corresponding component to be tieed up into the scene of the accident
Replacing is repaiied, during shortening beam worker, shortens maintenance time as far as possible, reduces the loss brought by pump damage.
Utility model content：
The purpose of this utility model be to provide it is a kind of mechanical seal leakage can just find in time initial stage and realize it is long-range or
Alarm on the spot, and the leakage alarm sealing device that dependable performance is cheap.
To achieve the above object, the utility model uses following technical scheme：
Leakage alarm sealing device provided by the utility model, the leakage for single mechanical end face seal is alarmed, described close
Seal apparatus includes：Single mechanical end face seal, bearing bracket stand, leakage inductive device and controller, the single mechanical end face seal are arranged on
In the annular seal space of pump pump cover, bearing bracket stand is connected with close to one end of gland in pump cover, the bearing bracket stand is either internally or externally set
The leakage inductive device of the pump single mechanical end face seal can be monitored by being equipped with, the leakage inductive device external controller, the control
Device processed is connected with onsite alarming device or remote control room, and it can automatically control onsite alarming device and be alarmed and to long-range
Control room sends alarm signal, and the controller can also control pump to realize that pump trip and startup stand-by pump etc. are emergent and arrange
Apply.
The bearing bracket stand inwall is pasted with leakage inductive device, and the leakage inductive device is positioning formula liquid induction band, described
Positioning formula liquid induction band can identification by stages leak source, and the external leakage register control of positioning formula liquid induction band.
The bearing bracket stand bottom offers outage, and the leakage inductive device is provided with below the outage, described
Leakage inductive device is raindrop inductor, and the external water leakage controller of raindrop inductor.
The bearing bracket stand bottom offers outage, and the outage is provided with discharging tube, the drain side of the discharging tube
By the external liquid-collecting box of pipeline, the leakage inductive device is installed on liquid-collecting box, the leakage inductive device is water sensor,
And the external water leakage controller of water sensor.
When the pump is set out of doors, rain-proof shelter is set at the top of the bearing bracket stand.
The beneficial effect of the utility model leakage alarm sealing device：Present apparatus structure is novel, and cheap installation side
Just；Different monitoring mode can be selected according to the security and on-site actual situations of pumped medium, without artificial on-the-spot make an inspection tour, subtracted
Lack the quantity of live patrol officer, added security, find seal leakage more promptly and accurately；Liquid-collecting box leakage inductive device formula
Leakage alarm sealing device, liquid-collecting box and leakage inductive device are used in combination, and leakage medium is collected while alarm, can be prevented
Stopping leak dew medium trickles everywhere to be polluted；Positioning formula liquid sensing belt leakage alarm sealing device can detect that specific leakage
Position, respective accessory is carried when facilitating maintenance personal to enter live, it is less during beam worker, it is more efficient.
Brief description of the drawings：
Fig. 1 is the structural representation of the embodiment one of the utility model leakage alarm sealing device；
Fig. 2 is the structural representation of the embodiment two of the utility model leakage alarm sealing device；
Fig. 3 is the structural representation of the embodiment three of the utility model leakage alarm sealing device；
In figure：The 1- pump housings, 2- impellers, 3- pump covers, 4- rain-proof shelters, 5- single mechanical end face seals, 6- axle sleeves, 7- pump shafts, 8-
Gland, 9- bearing bracket stands, 10- water leakage controllers, 11- water sensors, 12- liquid-collecting box, 13- pipelines, 14- outages, 15- discharge opeings
Pipe, 16- raindrop inductors, 17- positioning formula liquid induction bands, 18- leakage register controls.
Embodiment：
With reference to embodiment, the utility model is described in further detail.
Leakage alarm sealing device provided by the utility model, the leakage for single mechanical end face seal is alarmed, described close
Seal apparatus includes：Single mechanical end face seal 5, bearing bracket stand 9, leakage inductive device and controller, the single mechanical end face seal 5 are installed
In the annular seal space of pump pump cover 3, specifically described single mechanical end face seal 5 is set on axle sleeve 6, and the axle sleeve 6 is arranged
On pump shaft 7, the front end sleeve of pump shaft 7 is provided with impeller 2, and the axle sleeve 6 withstands on the back of impeller 2, in the pump housing 1 away from Pump Suction Nozzle
Side pump cover 3 is installed, the single mechanical end face seal 5 is located in the annular seal space of the pump cover 3, the sealing of the pump cover 3
Chamber is sealed away from pump housing end by gland 8, and bearing bracket stand 9, the bearing bracket stand 9 are connected with close to one end of gland 8 in the pump cover 3
The leakage inductive device of the pump single mechanical end face seal can be monitored by being either internally or externally provided with, and the leakage inductive device is external
Controller, the controller are connected with onsite alarming device or remote control room, and it can automatically control onsite alarming device and enter
Row is alarmed and sends alarm signal to remote control room, and the controller can also control pump to realize pump trip and start standby
With emergency measures such as pumps.
Embodiment one：
As shown in figure 1, offering outage 14 in the bottom of bearing bracket stand 9, outage 14 is provided with discharging tube 15, the discharge opeing
The drain side of pipe 15 is provided with water sensor 11, in real work by the external liquid-collecting box 12 of pipeline 13 on liquid-collecting box 12
When, the medium leaked out from single mechanical end face seal 5 is discharged and is drained in liquid-collecting box 12 from discharging tube 15, is installed on collection
Water sensor 11 on liquid box 12 monitors to send alarm signal when having medium hydrops in liquid-collecting box 12, and liquid-collecting box 12 can be prevented
Stopping leak dew medium trickles everywhere to be polluted.
Embodiment two：
As shown in Fig. 2 offering outage 14 in the bottom of bearing bracket stand 9, the lower section of the outage 14 is provided with raindrop
Inductor 16, the present embodiment are applied to the little situation of medium harmfulness, lead can be also dug by pump, in real work
When, once single mechanical end face seal 5 is revealed, leakage medium is dropped on raindrop inductor 16 along outage 14, raindrop sensing
The horse back of device 16 sends alarm, and then leakage medium flows to lead and is expelled directly out.
In above-described embodiment one and embodiment two, the 16 external leak of the water sensor 11 and the raindrop inductor
Controller 10, water sensor 11 at this stage and the raindrop inductor 16 application it is most be multi-core cable, leak control
Device 10 detects the loop resistance of multi-core cable composition, determines whether leak by the change of loop resistance, and send out leak
Warning message and system failure information, the multi-core cable core of water leakage controller 10 be two be process by conducting polymer,
Its resistance per unit length value is precisely machined and is the continuous electric wire of definite value, and under normal circumstances, water leakage controller 10 detects
Two electric wires between resistance value be definite value, when there is water generation between two electric wires, because the electric conductivity of water is the conductions of two electric wires
Polymer short circuit, causes the change of whole loop resistance value, and water leakage controller 10 detects the change of loop resistance value, passes through resistance
Contrast and go interference to handle, so as to know leak, i.e., the leak control when the leakage inductive device senses seal leakage
Device 10 spreads out of electric signal to onsite alarming device or remote control room and sends alarm, and the pump can be automatically cut off depending on site specific
Position power supply, control pump shut down, and wait maintenance personal to reach the spot and are repaired, in case leakage further expands, it is described
Water leakage controller 10 is also associated with stand-by pump, and when pump shuts down, the water leakage controller 10 controls the automatic of stand-by pump
Open, to ensure that overall flow runs well.
Embodiment three：
According to Fig. 3, the positioning formula liquid induction band 17 is pasted on the inwall of the bearing bracket stand 9, in gland 8 and pump
When the end face seal that lid 3 is connected is bad, leaking medium can flow out along end face, and be damaged in the friction pair of single mechanical end face seal 5
Bad when, or during 8 poor sealing of single mechanical end face seal 5 and axle sleeve 6, single mechanical end face seal 5 and gland, leaking medium is then along axle
Cover the 6 cylindrical gap locations with adjacent alignment bores on gland 8 to spill, when poor sealing between axle sleeve 6 and pump shaft 7, medium is then along pump
In axle 7 and axle sleeve 6 interporal lacuna flow out, the positioning formula liquid induction band 17 can identification by stages leak source, can be according to leaking medium
It is dropped in the particular location of positioning formula liquid induction band 17 and then judges specific leak point, fast and easy carries out leak source really
Recognize, medium from the sealing surface of gland 8, the back surfaces of gland 8 and the endoporus of axle sleeve 6 spill when, drop onto the sensing of positioning formula liquid
On band 17, the corresponding position outflow alarm signal of positioning formula liquid induction band 17, the maintenance personal for staying in control room can be according to drop
Specific leakage position is predicted in water position in advance, and respective accessory is targetedly then carried according to actual conditions and is tieed up to scene
Repair, contribute to scene investigation leakage point, exclude leakage problem as early as possible.
The 17 external leakage register control 18 of positioning formula liquid induction band, leakage register control 18 can be monitored and be up to
100 meters of leakage induction band, once detecting liquid, leakage register control 18 shows leak position, and trigger relay,
No-voltage contact closure is produced, leakage register control 18 uses modbus rtu protocols, passes through RS485 interfaces and monitoring system
Communicated, the leak detection alarm unit that leakage register control 18 can not only be used for isolated operation uses, also can be with other collection
Into collection main frame networking, in use, when the leakage register control 18 senses seal leakage, outflow is electric
Signal to onsite alarming device or remote control room sends alarm, and the pump position power supply can be automatically cut off depending on site specific, control
Pump processed shuts down, and waits maintenance personal to reach the spot and is repaired, in case leakage further expands, the leakage positioning control
Device 18 processed is also associated with stand-by pump, and when pump shuts down, the leakage register control 18 controls the automatic of stand-by pump to open
Open, to ensure that overall flow runs well.
And further, in above-described embodiment one, embodiment two and embodiment three, when pump set out of doors, be anti-
Only sleet enters bearing bracket stand 9 at the upper opening of bearing bracket stand 9, the illusion for causing mechanical seal to reveal, need to also be in the bearing bracket stand 9
Top sets rain-proof shelter 4.
Finally it should be noted that：Above example is only illustrating the technical solution of the utility model rather than it is limited
System, although the utility model is described in detail with reference to above-described embodiment, those of ordinary skill in the art should manage
Solution：Specific embodiment of the present utility model can still be modified or equivalent substitution, and without departing from the utility model
Any modification of spirit and scope or equivalent substitution, it all should cover among present claims scope.
Claims (6)
1. one kind leakage alarm sealing device, the leakage for single mechanical end face seal are alarmed, the sealing device includes：It is single-ended
Face mechanical seal, bearing bracket stand, leakage inductive device and controller, it is characterised in that：The single mechanical end face seal is arranged on pump
In the annular seal space of pump cover, bearing bracket stand is connected with close to one end of gland in pump cover, the bearing bracket stand is either internally or externally provided with
The leakage inductive device of the pump single mechanical end face seal, the leakage inductive device external controller, the controller can be monitored
It is connected with onsite alarming device or remote control room.
A kind of 2. leakage alarm sealing device according to claim 1, it is characterised in that：The inwall of the bearing bracket stand is pasted
There is the leakage inductive device, the leakage inductive device is positioning formula liquid induction band, and the positioning formula liquid induction band can divide
Section identification leak source, and the external leakage register control of positioning formula liquid induction band.
A kind of 3. leakage alarm sealing device according to claim 1, it is characterised in that：Bearing bracket stand bottom offers discharge opeing
Hole, is provided with the leakage inductive device below the outage, and the leakage inductive device is raindrop inductor, and the rain
Drip the external water leakage controller of inductor.
A kind of 4. leakage alarm sealing device according to claim 1, it is characterised in that：Bearing bracket stand bottom offers discharge opeing
Hole, discharging tube is installed in the outage, the drain side of the discharging tube is pacified by the external liquid-collecting box of pipeline on liquid-collecting box
Equipped with the leakage inductive device, the leakage inductive device is water sensor, and the external water leakage controller of the water sensor.
A kind of 5. leakage alarm sealing device according to claim 1, it is characterised in that：When the pump is set out of doors
When, rain-proof shelter is set at the top of the bearing bracket stand.
A kind of 6. leakage alarm sealing device according to claim 1, it is characterised in that：The controller is also associated with standby
With pump, the controller control pump is automatically stopped operating and the automatic opening of stand-by pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641206.1U CN206801930U (en) | 2017-06-05 | 2017-06-05 | Leakage alarm sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641206.1U CN206801930U (en) | 2017-06-05 | 2017-06-05 | Leakage alarm sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801930U true CN206801930U (en) | 2017-12-26 |
Family
ID=60743894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720641206.1U Active CN206801930U (en) | 2017-06-05 | 2017-06-05 | Leakage alarm sealing device |
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| Country | Link |
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| CN (1) | CN206801930U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374854A (en) * | 2019-08-20 | 2019-10-25 | 无锡市德仕比智能流体科技有限公司 | A kind of intelligent monitor system of pump |
| CN110655155A (en) * | 2019-09-28 | 2020-01-07 | 北京精瑞科迈净水技术有限公司 | Four-stage sealing floc remover |
| CN112400063A (en) * | 2019-06-17 | 2021-02-23 | 大荣动力泵株式会社 | Inverter booster pump system |
| CN114837955A (en) * | 2022-05-23 | 2022-08-02 | 山东省章丘鼓风机股份有限公司 | Slurry pump seal leakage monitoring device |
| CN117759567A (en) * | 2024-02-22 | 2024-03-26 | 江苏武新泵业有限公司 | centrifugal pump sealing structure |
-
2017
- 2017-06-05 CN CN201720641206.1U patent/CN206801930U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112400063A (en) * | 2019-06-17 | 2021-02-23 | 大荣动力泵株式会社 | Inverter booster pump system |
| CN110374854A (en) * | 2019-08-20 | 2019-10-25 | 无锡市德仕比智能流体科技有限公司 | A kind of intelligent monitor system of pump |
| CN110655155A (en) * | 2019-09-28 | 2020-01-07 | 北京精瑞科迈净水技术有限公司 | Four-stage sealing floc remover |
| CN110655155B (en) * | 2019-09-28 | 2024-03-15 | 北京精瑞科迈净水技术有限公司 | Four-stage sealing deflocculating machine |
| CN114837955A (en) * | 2022-05-23 | 2022-08-02 | 山东省章丘鼓风机股份有限公司 | Slurry pump seal leakage monitoring device |
| CN114837955B (en) * | 2022-05-23 | 2023-12-05 | 山东省章丘鼓风机股份有限公司 | Slurry pump sealing leakage monitoring device |
| CN117759567A (en) * | 2024-02-22 | 2024-03-26 | 江苏武新泵业有限公司 | centrifugal pump sealing structure |
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