CN206129615U - Circulating water horizontal centrifugal pump - Google Patents
Circulating water horizontal centrifugal pump Download PDFInfo
- Publication number
- CN206129615U CN206129615U CN201621164326.9U CN201621164326U CN206129615U CN 206129615 U CN206129615 U CN 206129615U CN 201621164326 U CN201621164326 U CN 201621164326U CN 206129615 U CN206129615 U CN 206129615U
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- CN
- China
- Prior art keywords
- pump
- pump cover
- water
- cover
- pump housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a circulating water horizontal centrifugal pump, including left pump cover, the pump body, impeller, right pump cover and motor, left side pump cover is through the left end of mounting screw at the pump body, pump body upper left side is provided with the water inlet, the inside impeller that is provided with of the pump body, left bearing in the left end of pump shaft and the left pump cover is connected, and the right -hand member of pump shaft passes the interior right bearing of right pump cover and pass through the shaft coupling and be connected with the motor, left mechanical seal is located to be provided with with pump body connection by left side pump cover, right side mechanical seal top is provided with discharge valve, and discharge valve leads to air through tube and be connected with the admission valve on the delivery port, the right side mechanical seal be connected with right bearing through interior circulating pipe, and just right bearing is connected with the water inlet through outer circulating pipe, be provided with the circulating water valve door on the outer circulating pipe, and be provided with the relief pressure valve on the interior circulating pipe. The utility model has the advantages of reasonable design, move reliable and stable, long service life, operating efficiency is high.
Description
Technical field
This utility model is related to centrifugal pumping apparatus technical field, specially a kind of recirculated water centrifugal pump of horizontal axis.
Background technology
At present, existing horizontal multi-stage centrifugal pump complex structure, operation troubles rate is high, balancing frame in axial thrust balancing devices
Quick abrasion, maintenance is inconvenient.Axial inlet segment and water exit end two ends sealing intracavity adopt packing seal, and the leakage rate of water is big, makes
The waste of Cheng Shui, user need to increase drainage arrangement, filler and axle sleeve quick abrasion using water pump, change frequent, especially in pump water inlet
End uses packing seal, due to there is gap between filler and axle sleeve, easily causes air in pump, causes impact Pump Suction
The water yield, causes Pump Suction not go up water when serious.Furthermore water pump rotor supporting two ends adopt cylinder roller bearing, and operate for a long time bearing
Temperature rise, is easily damaged bearing, reduces water pump service life, additionally, as current centrifugal pump be present：First, be
Gas is drained to guarantee that mechanical seal runs in media as well completely, will be opened manually positioned at connecting cap before start every time
On air-release mechanism on plug be exhausted；Second, pump operation in the middle of, the gas in medium except a part by impeller from
Pump discharge is discharged, and another part gas can then be gathered in highest point in pump chamber, i.e., at the mechanical seal of connecting cap, with gas
More poly- more, the dynamic and static friction of mechanical seal will depart from medium lubrication, be exposed in gas and dry grind, so as to using machine envelope life-span contracting
Short and improper damage；3rd, if the centrifugal pump is used on the complete set of equipments for automatically controlling, artificial aerofluxuss are unrealistic
Because the flow that automatic control program can be in pipe network, pressure change and automatically switch, automatic start-stop water pump.
The content of the invention
The purpose of this utility model is to provide a kind of recirculated water centrifugal pump of horizontal axis, to solve above-mentioned background technology in propose
Problem, had an advantageous effect in that：Reasonable in design, stable and reliable operation, long service life, operational efficiency is high.
For achieving the above object, this utility model provides following technical scheme：A kind of recirculated water centrifugal pump of horizontal axis, including a left side
Pump cover, the pump housing, impeller, right pump cover and motor, the left pump cover is arranged on the left end of the pump housing by screw, and the pump housing passes through spiral shell
Nail is connected with right pump cover, and the pump housing upper left side is provided with water inlet, and outlet is arranged on the upper right side of the pump housing, the pump housing
Impeller is internally provided with, and pump shaft is connected by key with impeller, the left end of the pump shaft is connected with the left bearing in left pump cover, and
The right-hand member of pump shaft is connected by shaft coupling through the right bearing in right pump cover with motor, and the left pump cover sets with pump housing junction
Left mechanical seal is equipped with, and right mechanical seal is arranged on the junction of the pump housing and right pump cover, the right mechanical seal top is arranged
There is air bleeding valve, and air bleeding valve is connected by trachea with the intake valve on outlet, the right mechanical seal passes through interior circulation water pipe
It is connected with right bearing, and right bearing is connected by outer circulation water pipe with water inlet, and on the outer circulation water pipe recirculated water is provided with
Air relief valve is provided with valve, and interior circulation water pipe.
Preferably, the pump housing bottom is provided with pump seat, and pump seat and motor are consolidated by bolt with the connection of base
It is fixed.
Preferably, it is provided with axle sleeve on the pump shaft.
Preferably, it is provided with screw connecting hole on the water inlet and outlet.
Compared with prior art, the beneficial effects of the utility model are：The equipment by wheel rotation realize water suction and from
Cadion-acceleration, its inflow is big under equal conditions, and entry resistance is little, and the operational efficiency of water pump is greatly improved；Its sealing structure
Improvement with axial thrust balancing devices structure then improves sealing effectiveness, extends the service life of associated sealing components, solves
The flimsy problem of balancing frame in existing water pump；And the improvement of cooling structure so that cooling effectiveness is high, effect is good, it is easy to accomplish,
Temperature when both having reduced bearing working, is again balanced pump axial force, additionally, before start, eliminating artificial aerofluxuss
Work, in running also can aerofluxuss automatically, extend machine seal service life.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：The left pump covers of 1-；2- left bearings；3- pump shafts；The left mechanical seals of 4-；5- water inlets；6- recirculated water valves；7- pumps
Body；8- outlets；9- intake valves；10- tracheas；11- air bleeding valves；12- outer circulation water pipes；13- screws；14- impellers；15- bolts；
16- keys；17- pump seats；18- axle sleeves；The right mechanical seals of 19-；20- interior circulation water pipes；21- air relief valve；22- right bearings；The right pumps of 23-
Lid；24- shaft couplings；25- bases；26- motor.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Refer to Fig. 1, a kind of embodiment that this utility model is provided：A kind of recirculated water centrifugal pump of horizontal axis, including left pump cover
1st, the pump housing 7, impeller 14, right pump cover 23 and motor 26, left pump cover 1 is arranged on the left end of the pump housing 7, and the pump housing 7 by screw 13
It is connected with right pump cover 23 by screw 13, the upper left side of the pump housing 7 is provided with water inlet 5, and outlet 8 is arranged on the upper right of the pump housing 7
Side, the pump housing 7 is internally provided with impeller 14, and pump shaft 3 is connected by key 16 with impeller 14, in the left end of pump shaft 3 and left pump cover 1
Left bearing 2 connects, and the right-hand member of pump shaft 3 is connected by shaft coupling 24 through the right bearing 22 in right pump cover 23 with motor 26,
Left pump cover 1 is provided with left mechanical seal 4 with the junction of the pump housing 7, and right mechanical seal 19 is arranged on the company of the pump housing 7 and right pump cover 23
Place is met, the top of right mechanical seal 19 is provided with air bleeding valve 11, and air bleeding valve 11 by the intake valve 9 on trachea 10 and outlet 8
Connection, right mechanical seal 19 is connected by interior circulation water pipe 20 with right bearing 23, and right bearing 23 pass through outer circulation water pipe 12 and
Water inlet 5 connects, and is provided with outer circulation water pipe 12 on recirculated water valve 6, and interior circulation water pipe 20 and is provided with air relief valve 21, pump
The bottom of body 7 is provided with pump seat 17, and pump seat 17 and motor 26 being connected by bolt 15 and base 25, on pump shaft 3
Axle sleeve 18 is provided with, on the water inlet 5 and outlet 8 screw connecting hole is provided with.
Operation principle：When using, connect the power supply of motor 26, motor 26 rotated by the impeller 14 of pump shaft 3, water from
Water inlet 5 is entered in the pump housing 7, is gone out from outlet 8 through the CENTRIFUGAL ACCELERATING of impeller 14, the interior circulation water pipe at right mechanical seal 19
Flowed in water inlet 5 by outer circulation water pipe 12 in the 20 water injection right bearings 22 for accelerating part centrifugal, outer circulation water pipe
Recirculated water valve 6 is provided with 12 can control the circulation of water, and air relief valve 21 can reduce the pressure of interior circulation water pipe 20, in pump
The moment of startup, residual gas can be taken to outlet rapidly from the high-pressure medium out of impeller 14, residual gas is again with Jie
Matter is done work by impeller 14, is discharged from outlet 8, after pump startup, because the pressure medium at mechanical right sealing 19 is than water inlet 5
Height, residual gas is discharged by air bleeding valve 11 into outlet 8.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction
Involved claim.
Claims (4)
1. a kind of recirculated water centrifugal pump of horizontal axis, including left pump cover (1), the pump housing (7), impeller (14), right pump cover (23) and motor
(26), it is characterised in that：The left pump cover (1) by screw (13) installed in the pump housing (7) left end, and the pump housing (7) is by spiral shell
Nail (13) is connected with right pump cover (23), and the pump housing (7) upper left side is provided with water inlet (5), and outlet (8) is arranged on the pump housing
(7) upper right side, the pump housing (7) is internally provided with impeller (14), and pump shaft (3) is connected by key (16) with impeller (14),
The left end of the pump shaft (3) is connected with the left bearing (2) in left pump cover (1), and the right-hand member of pump shaft (3) is through in right pump cover (23)
Right bearing (22) be connected with motor (26) by shaft coupling (24), the left pump cover (1) is provided with the pump housing (7) junction
Left mechanical seal (4), and right mechanical seal (19) is installed in the junction of the pump housing (7) with right pump cover (23), the right machinery is close
Envelope (19) top is provided with air bleeding valve (11), and air bleeding valve (11) is connected by the intake valve (9) on trachea (10) and outlet (8)
Connect, the right mechanical seal (19) is connected by interior circulation water pipe (20) with right bearing (22), and right bearing (22) is by following outward
Ring water pipe (12) is connected with water inlet (5), and recirculated water valve (6), and interior circulation water are provided with the outer circulation water pipe (12)
Air relief valve (21) is provided with pipe (20).
2. a kind of recirculated water centrifugal pump of horizontal axis according to claim 1, it is characterised in that：The pump housing (7) bottom is arranged
There is a pump seat (17), and pump seat (17) and motor (26) being connected by bolt (15) and base (25).
3. a kind of recirculated water centrifugal pump of horizontal axis according to claim 1, it is characterised in that：It is provided with the pump shaft (3)
Axle sleeve (18).
4. a kind of recirculated water centrifugal pump of horizontal axis according to claim 1, it is characterised in that：The water inlet (5) and water outlet
Screw connecting hole is provided with mouth (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164326.9U CN206129615U (en) | 2016-11-01 | 2016-11-01 | Circulating water horizontal centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164326.9U CN206129615U (en) | 2016-11-01 | 2016-11-01 | Circulating water horizontal centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129615U true CN206129615U (en) | 2017-04-26 |
Family
ID=58575816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621164326.9U Expired - Fee Related CN206129615U (en) | 2016-11-01 | 2016-11-01 | Circulating water horizontal centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810439A (en) * | 2020-08-18 | 2020-10-23 | 大连海密梯克泵业有限公司 | Anti-dead-bearing structure of serial multistage pump sliding bearing and multistage canned motor pump |
| CN111927787A (en) * | 2020-08-18 | 2020-11-13 | 大连海密梯克泵业有限公司 | Multistage canned motor pump with inner loop hole |
-
2016
- 2016-11-01 CN CN201621164326.9U patent/CN206129615U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810439A (en) * | 2020-08-18 | 2020-10-23 | 大连海密梯克泵业有限公司 | Anti-dead-bearing structure of serial multistage pump sliding bearing and multistage canned motor pump |
| CN111927787A (en) * | 2020-08-18 | 2020-11-13 | 大连海密梯克泵业有限公司 | Multistage canned motor pump with inner loop hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20181101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |