CN209278143U - A kind of non-maintaining compact horizontal multi-stage centrifugal pump of environmental protection - Google Patents
A kind of non-maintaining compact horizontal multi-stage centrifugal pump of environmental protection Download PDFInfo
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- CN209278143U CN209278143U CN201822072835.4U CN201822072835U CN209278143U CN 209278143 U CN209278143 U CN 209278143U CN 201822072835 U CN201822072835 U CN 201822072835U CN 209278143 U CN209278143 U CN 209278143U
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- cooling water
- pump
- centrifugal pump
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Abstract
The utility model discloses a kind of non-maintaining compact horizontal multi-stage centrifugal pumps of environmental protection, it further include water exit end, rear water lubriucated bearing, rear bearing seal, fore bearing seal, rear bearing cover, pump shaft, water lubrication radial-thrust bearing, shaft coupling, mechanical seal and preceding water lubriucated bearing including pumping ontology.A kind of non-maintaining compact horizontal multi-stage centrifugal pump of environmental protection of the utility model, by being made improvements on the basis of traditional centrifugal pump of horizontal axis, increase the unique structure type of the non-maintaining bearing of axial thrust self-lubricating, the rolling bearing for changing former rigid grease lubrication is water self-lubricating radial-thrust bearing structure, prominent humanized design, remove former bearings at both ends seat, shorten pump shaft, remove the mechanical seal and packing seal of former horizontal multi-stage centrifugal pump rear end, optimize mechanical structure, and in running can adjust automatically axial direction play and friction function make horizontal multi-stage centrifugal pump performance more stable.
Description
Technical field
The utility model relates to a kind of centrifugal pump of horizontal axis, in particular to a kind of non-maintaining compact horizontal multi-stage centrifugation of environmental protection
Pump.
Background technique
Traditional horizontal multi-stage centrifugal pump generic failure multi-source in both ends rigidity rolling bearing because not in time safeguard oil starvation or
Person's grease and cause the abrasion of bearing to cause the vibration and supercurrent phenomenon of water pump, there are also both ends bad seals, such as filler to grind
Damage causes drainage, and this phenomenon directly affects horizontal multi-stage centrifugal pump normal work, and traditional horizontal multi-stage centrifugal pump
Maintenance cost is high, needs staff on duty, and structure is complicated, and gap is difficult to control, once being out of order needs specialized maintenance, then the utility model
A kind of non-maintaining compact horizontal multi-stage centrifugal pump of environmental protection is provided, is changed on the basis of traditional horizontal multi-stage centrifugal pump
Into can preferably solve the above problems.
Utility model content
Technical problem to be solved in the utility model is mainly achieved through the following technical solutions:
In one embodiment of the utility model, a kind of non-maintaining compact horizontal multi-stage centrifugal pump of environmental protection, including pump is originally
Body further includes water exit end, rear water lubriucated bearing, rear bearing seal, fore bearing seal, rear bearing cover, pump shaft, water lubrication diameter
Axial thrust bearing, shaft coupling, mechanical seal and preceding water lubriucated bearing, the water exit end setting pump in ontology, and the pump shaft is horizontal
Setting protrudes pump ontology in the middle part of pump ontology, and the rear water lubriucated bearing and water lubrication radial-thrust bearing are arranged at pump
The rear end of axis, is provided with the first water axis positioning screw on water lubriucated bearing after described, and by the first water axis positioning screw and after
Bearing seal body is fixed, and is provided with rear tail-hood outside the rear water lubriucated bearing, and rear water lubriucated bearing is covered；The water profit
It is provided with fastening screw on sliding radial-thrust bearing, and is fixed by fastening screw and rear bearing cover；The shaft coupling, machinery are close
Envelope and preceding water lubriucated bearing are successively set on the front end of pump shaft, and the coupler sleeve is located at pump shaft front end；The machinery is close
Envelope front end is provided with fore bearing axle envelope gland, and the stationary ring of mechanical seal is arranged inside fore bearing axle envelope gland, the machinery
The rotating ring of sealing is fixed on pump shaft using retaining ring；It is provided with the second water axis positioning screw on the preceding water lubriucated bearing, and leads to
Cross the second water axis positioning screw and fore bearing seal fixed, be provided with preceding tail-hood outside the preceding water lubriucated bearing, and will before
Water lubriucated bearing covers；One end of the water exit end is provided with filter device, one end of the filter device and the first cooling water
The first cooling water connecting pipe for water, one end of the filter device and the first cooling water intake are provided between water inlet connection one end
Connector one end is connected by the first cooling water connecting pipe for water, and the other end of the first cooling water intake connector is inserted into rear bearing
It covers, is provided with the first flow of cooling water display table and the first cooling water control valve on first cooling water connecting pipe for water；The mistake
The second cooling water connecting pipe for water, the filter device are provided between the filter device other end and second cooling water intake connector one end
The other end and second cooling water intake connector one end are connected by the second cooling water connecting pipe for water, second cooling water intake
The other end of connector is inserted into fore bearing axle envelope gland, is provided with the second flow of cooling water on second cooling water connecting pipe for water and shows
Table and the second cooling water control valve.
Further, on the basis of traditional horizontal centrifugal pump of horizontal axis, the non-maintaining bearing of axial thrust self-lubricating is increased
Unique structure type, the rolling bearing for changing former rigid grease lubrication is water self-lubricating radial-thrust bearing structure, prominent people
Property design, remove former bearings at both ends seat, shorten pump shaft, remove the mechanical seal of former horizontal multi-stage centrifugal pump rear end and fill out
Material sealing, optimizes mechanical structure, so that horizontal multi-stage centrifugal pump performance is more stable, ensure that the peace of horizontal multi-stage centrifugal pump
Full reliability service substantially increases horizontal multi-stage centrifugal pump service life, is the ideal product of safety, energy-saving and environmental protection, structure letter
Easily, easy to maintain.
In one embodiment of the utility model, the filter device is to shunt.
Further, it shunts and then creates conditions for water lubrication.
In one embodiment of the utility model, the first water axis positioning screw at least uses 3.
Further, water axis positioning screw is mostly used to make structure more stable.
In one embodiment of the utility model, the second water axis positioning screw at least uses 3.
Using above technical scheme, have following technical effect:
The non-maintaining compact horizontal multi-stage centrifugal pump of a kind of environmental protection of the utility model, by traditional centrifugal pump of horizontal axis
On the basis of make improvements, increase the unique structure type of the non-maintaining bearing of axial thrust self-lubricating, change former rigid grease profit
Sliding rolling bearing is water self-lubricating radial-thrust bearing structure, and prominent humanized design removes former bearings at both ends seat, shortens
Pump shaft removes the mechanical seal and packing seal of former horizontal multi-stage centrifugal pump rear end, optimize mechanical structure, and runs
Can adjust automatically axial direction play and friction function make horizontal multi-stage centrifugal pump performance more stable, it is non-maintaining axially and radially
The problems such as bearing is integrated function from cooling water lubrication self-sealing, efficiently solves maintenance, sealing, difficult heat dissipation, ensure that horizontal
The safe and reliable operation of centrifugal multistage pump multiple centrifugal pump substantially increases horizontal multi-stage centrifugal pump service life, is safety, energy-saving and environmental protection
Ideal product, simple structure are easy to maintain.
Detailed description of the invention
It is as shown in Figure 1 the schematic diagram of internal structure of the utility model.
1- water exit end；Tail-hood after 2-；Tail-hood before 2-1-；Water lubriucated bearing after 3-；4- rear bearing seal；4-1- fore bearing
Seal；5- pump shaft；6- water lubrication radial-thrust bearing；7- fastening screw；8- rear bearing cover；The first cooling water intake of 9- connects
Head；9-1- the second cooling water intake connector；The first cooling water connecting pipe for water of 10-；The second cooling water connecting pipe for water of 10-1-；11- first
Flow of cooling water shows table；The second flow of cooling water of 11-1- shows table；12- the first cooling water control valve；12-1- second is cooling
Water control valve；13- shaft coupling；14- mechanical seal；15- fore bearing axle envelope gland；Water lubriucated bearing before 16-；17- the first water axis
Positioning screw；17-1- the second water axis positioning screw；18- filter device.
Specific embodiment
In order to make the technological means of the utility model, create feature, reach purpose and effect is easy to understand, tie below
Conjunction is specifically illustrating, and furthers elucidate the utility model.
As shown in Figure 1, a kind of non-maintaining compact horizontal multi-stage centrifugal pump of environmental protection of the utility model, including pump ontology,
It further include water exit end 1, rear water lubriucated bearing 3, rear bearing seal 4, fore bearing seal 4-1, rear bearing cover 8, pump shaft 5, water
Lubricate radial-thrust bearing 6, shaft coupling 13, mechanical seal 14 and preceding water lubriucated bearing 16, the setting of the water exit end 1 pump ontology
Interior, the pump shaft 5 is horizontally set in the middle part of pump ontology, and protrudes pump ontology, and the rear water lubriucated bearing 3 and water lubrication radially push away
Power bearing 6 is arranged at the rear end of pump shaft 5, is provided with the first water axis positioning screw 17 on the rear water lubriucated bearing 3, and pass through
First water axis positioning screw 17 and rear bearing seal 4 are fixed, are provided with rear tail-hood 2 outside the rear water lubriucated bearing 3, and will
Water lubriucated bearing 3 covers afterwards；It is provided with fastening screw 7 on the water lubrication radial-thrust bearing 6, and passes through 7 He of fastening screw
Rear bearing cover 8 is fixed；The shaft coupling 13, mechanical seal 14 and preceding water lubriucated bearing 16 are successively set on the front end of pump shaft 5, institute
It states the shaft coupling 13 and is set in 5 front end of pump shaft；14 front end of mechanical seal is provided with fore bearing axle envelope gland 15, and mechanical
The stationary ring of sealing 14 is arranged inside fore bearing axle envelope gland 15, and the rotating ring of the mechanical seal 14 is fixed on pump shaft using retaining ring
On 5；It is provided with the second water axis positioning screw 17-1 on the preceding water lubriucated bearing 16, and passes through the second water axis positioning screw 17-1
It is fixed with fore bearing seal 4-1, tail-hood 2-1 before being provided with outside the preceding water lubriucated bearing 16, and by preceding water lubriucated bearing
16 cover；One end of the water exit end 1 is provided with filter device 18, one end of the filter device 18 and the water inlet of the first cooling water
The first cooling water connecting pipe for water 10, one end of the filter device 18 and the water inlet of the first cooling water are provided between 9 one end of mouth connector
Mouth 9 one end of connector is connected by the first cooling water connecting pipe for water 10, after the other end insertion of the first cooling water intake connector 9
Bearing cap 8 is provided with the first flow of cooling water display table 11 and the first cooling water control on first cooling water connecting pipe for water 10
Valve 12；The second cooling water company is provided between 18 other end of filter device and second one end cooling water intake connector 9-1
Adapter tube 10-1,18 other end of filter device and second cooling water intake one end connector 9-1 are connected by the second cooling water
The other end of pipe 10-1 connection, the second cooling water intake connector 9-1 is inserted into fore bearing axle envelope gland 15, and described second is cold
But the second flow of cooling water display table 11-1 and the second cooling water control valve 12-1 are provided on water connecting tube 10-1.
When utility model works, cooling water water enters pump ontology from pump inlet, flows through water exit end 1, from the one of water exit end 1
End flows through filter device 18, and filter device 18 shunts two circuits, and one is passed through cooling water connecting pipe for water 10, is intake by cooling water
Mouthful connector 9 enters rear bearing 8, and to water lubrication radial-thrust bearing 6 and rear water lubriucated bearing 3 carry out water self-lubricating and it is cooling after
Into balancing frame chamber, another is passed through cooling water connecting pipe for water 10-1, enters fore bearing envelope pressure by cooling water intake connector 9-1
Lid 15, and enter inlet segment after carrying out cooling and water lubrication to mechanical seal 14, preceding water lubriucated bearing 16, it circuits sequentially back and forth,
In order to guarantee the leakproofness to guarantee pump, each sealing surface need to encrypt packing and O-ring seal to guarantee the airtightness of pump.
The non-maintaining compact horizontal multi-stage centrifugal pump of a kind of environmental protection of the utility model, by traditional centrifugal pump of horizontal axis
On the basis of make improvements, increase the unique structure type of the non-maintaining bearing of axial thrust self-lubricating, change former rigid grease profit
Sliding rolling bearing is water self-lubricating radial-thrust bearing structure, and prominent humanized design removes former bearings at both ends seat, shortens
Pump shaft removes the mechanical seal and packing seal of former horizontal multi-stage centrifugal pump rear end, optimize mechanical structure, and runs
Can adjust automatically axial direction play and friction function make horizontal multi-stage centrifugal pump performance more stable, it is non-maintaining axially and radially
The problems such as bearing is integrated function from cooling water lubrication self-sealing, efficiently solves maintenance, sealing, difficult heat dissipation, ensure that horizontal
The safe and reliable operation of centrifugal multistage pump multiple centrifugal pump substantially increases horizontal multi-stage centrifugal pump service life, is safety, energy-saving and environmental protection
Ideal product, simple structure are easy to maintain.
The foregoing describe the basic principles and main features of the utility model, It should be understood by those skilled in the art that this
Utility model is not restricted to the described embodiments, and the above embodiments and description only describe the originals of the utility model
Reason, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various changes and improvements, these changes
Change and improvement is fallen within the scope of the claimed invention, range is claimed by the attached claims in utility model
Book and its equivalent thereof.
Claims (4)
1. a kind of non-maintaining compact horizontal multi-stage centrifugal pump of environmental protection, including pump ontology, which is characterized in that further include water exit end
(1), rear water lubriucated bearing (3), rear bearing seal (4), fore bearing seal (4-1), rear bearing cover (8), pump shaft (5), water
Lubrication radial-thrust bearing (6), shaft coupling (13), mechanical seal (14) and preceding water lubriucated bearing (16), the water exit end (1) set
Set in pump ontology, the pump shaft (5) is horizontally set in the middle part of pump ontology, and protrudes pump ontology, it is described after water lubriucated bearing (3) and
Water lubrication radial-thrust bearing (6) is arranged at the rear end of pump shaft (5), is provided with the first water on the rear water lubriucated bearing (3)
Axis positioning screw (17), and, the rear water lubrication shaft fixed by the first water axis positioning screw (17) and rear bearing seal (4)
It holds and is provided with rear tail-hood (2) outside (3), and rear water lubriucated bearing (3) is covered；On the water lubrication radial-thrust bearing (6)
It is provided with fastening screw (7), and fixed by fastening screw (7) and rear bearing cover (8)；
The shaft coupling (13), mechanical seal (14) and preceding water lubriucated bearing (16) are successively set on the front end of pump shaft (5), described
Shaft coupling (13) is set in pump shaft (5) front end；Mechanical seal (14) front end is provided with fore bearing axle envelope gland (15), and machine
The stationary ring setting that tool seals (14) is internal in fore bearing axle envelope gland (15), and the rotating ring of the mechanical seal (14) is solid using retaining ring
Due on pump shaft (5)；It is provided with the second water axis positioning screw (17-1) on the preceding water lubriucated bearing (16), and passes through the second water
Axis positioning screw (17-1) and fore bearing seal (4-1) are fixed, are provided with preceding tail-hood outside the preceding water lubriucated bearing (16)
(2-1), and preceding water lubriucated bearing (16) is covered；
One end of the water exit end (1) is provided with filter device (18), one end of the filter device (18) and the first cooling water
It is provided with the first cooling water connecting pipe for water (10) between water inlet connection (9) one end, one end and first of the filter device (18)
Cooling water intake connector (9) one end is connected by the first cooling water connecting pipe for water (10), the first cooling water intake connector
(9) the other end is inserted into rear bearing cover (8), is provided with the first flow of cooling water on first cooling water connecting pipe for water (10) and shows
Table (11) and the first cooling water control valve (12)；Filter device (18) other end and the second cooling water intake connector (9-
1) it is provided between one end the second cooling water connecting pipe for water (10-1), filter device (18) other end and the water inlet of the second cooling water
Mouth connector one end (9-1) is connected by the second cooling water connecting pipe for water (10-1), the second cooling water intake connector (9-1)
The other end is inserted into fore bearing axle envelope gland (15), is provided with the second flow of cooling water on second cooling water connecting pipe for water (10-1)
Show table (11-1) and the second cooling water control valve (12-1).
2. the non-maintaining compact horizontal multi-stage centrifugal pump of a kind of environmental protection according to claim 1, which is characterized in that the mistake
Device (18) are filtered to shunt.
3. the non-maintaining compact horizontal multi-stage centrifugal pump of a kind of environmental protection according to claim 1, which is characterized in that described
One water axis positioning screw (17) at least uses 3.
4. the non-maintaining compact horizontal multi-stage centrifugal pump of a kind of environmental protection according to claim 1, which is characterized in that described
Two water axis positioning screws (17-1) at least use 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822072835.4U CN209278143U (en) | 2018-12-11 | 2018-12-11 | A kind of non-maintaining compact horizontal multi-stage centrifugal pump of environmental protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822072835.4U CN209278143U (en) | 2018-12-11 | 2018-12-11 | A kind of non-maintaining compact horizontal multi-stage centrifugal pump of environmental protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278143U true CN209278143U (en) | 2019-08-20 |
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ID=67610576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822072835.4U Active CN209278143U (en) | 2018-12-11 | 2018-12-11 | A kind of non-maintaining compact horizontal multi-stage centrifugal pump of environmental protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278143U (en) |
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2018
- 2018-12-11 CN CN201822072835.4U patent/CN209278143U/en active Active
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