CN206409391U - Frequency-changing vertical centrifugal multistage pump multiple centrifugal pump - Google Patents
Frequency-changing vertical centrifugal multistage pump multiple centrifugal pump Download PDFInfo
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- CN206409391U CN206409391U CN201720002502.7U CN201720002502U CN206409391U CN 206409391 U CN206409391 U CN 206409391U CN 201720002502 U CN201720002502 U CN 201720002502U CN 206409391 U CN206409391 U CN 206409391U
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- pump
- pedestal
- outer barrel
- frequency
- pump housing
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Abstract
Frequency-changing vertical centrifugal multistage pump multiple centrifugal pump, pedestal (8) top is installed by outer barrel (6), outer barrel (6) top is installed by the pump housing (3), the pump housing (3) upper end is installed by pump head (1), in pedestal (8) upper interior, outer barrel (6) inner side and the pump housing (3) lower inner part constitute cavity (5), impeller (4), which is erect, is arranged on middle part in cavity (5), main shaft (2) lower end is passed down through impeller (4) center line and fixed, main shaft (2) upper end is upward through at the top of the pump housing (3) and passed from pump head (1) upper end, pedestal (8) opposite sides is respectively symmetrically fixed with water inlet and delivery port, water inlet and delivery port are coaxial, and, water inlet and delivery port are identical with the minimum point of pedestal (8).It is energy-efficient using vertical structure, the reliability of pump operation and the temperature of pumped (conveying) medium can be improved.Lightweight, noise is low, and significantly, maintenance is convenient for energy-saving effect.Reliable in quality, it is wide using scope, improve the performance and service life of pump.
Description
Technical field
The utility model is related to the structure improved technology of centrifugal multistage pump multiple centrifugal pump apparatus, especially frequency-changing vertical multistage centrifugal
Pump.
Background technology
Vertical multi-stage centrifugal pump uses standard standup motor and ready-package mechanical seal, is very convenient to.The excessively stream of pump
Part using 304 316 stainless steel materials be made, be applicable to mild corrosion medium.With compact overall structure, volume
Small, lightweight, noise is low, energy-saving effect is notable, the features such as maintenance facilitates.
Existing general-purpose vertical centrifugal multistage pump multiple centrifugal pump is non-Self-priming, using standard standup motor and ready-package
Mechanical seal, is very convenient to.The excessively stream part of pump is made of the stainless steel materials of 304 316, is applicable to slight corruption
Corrosion medium.But, the pump applied in numerous industrial circles to its performance and operational mode, it is necessary to control effectively.
Utility model content
The purpose of this utility model is to provide frequency-changing vertical centrifugal multistage pump multiple centrifugal pump, and pump performance and operational mode are effectively controlled
System.
The purpose of this utility model will be realized by following technical measures：Including pump head, main shaft, the pump housing, impeller, chamber
Body, outer barrel and pedestal；Outer barrel is installed on pedestal top, and the pump housing is installed on outer barrel top, and pump head is installed in pump housing upper end, interior on the upside of pedestal
On the inside of portion, outer barrel and pump housing lower inner part composition cavity, impeller setting middle part in cavity, main shaft lower end is passed down through
Impeller center line is fixed, and main shaft upper end is upward through at the top of the pump housing and passed from pump head upper end, and pedestal opposite sides is respectively symmetrically solid
Surely there are water inlet and delivery port, water inlet and delivery port are coaxial, also, water inlet and delivery port are identical with the minimum point of pedestal.
Especially, pump head Mounting frequency controller.
Especially, the lower end edge being connected in outer barrel with pedestal, and outer barrel are respectively mounted O-ring with pump housing upper end edge.
Especially, neck ring is installed between the adjacent blades of impeller.
Especially, pressure sensor is installed on the pipeline that water inlet or delivery port are connected.
Advantage and effect of the present utility model：It is energy-efficient using vertical structure, the reliability of pump operation can be improved and defeated
Send the temperature of medium.Lightweight, noise is low, and significantly, maintenance is convenient for energy-saving effect.Reliable in quality, it is wide using scope, improve pump
Performance and service life.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Reference includes：
Pump head 1, main shaft 2, the pump housing 3, impeller 4, cavity 5, outer barrel 6, O-ring 7, pedestal 8, neck ring 9, axle envelope 10, substrate 11.
Embodiment
The utility model includes：Pump head 1, main shaft 2, the pump housing 3, impeller 4, cavity 5, outer barrel 6 and pedestal 8.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1：As shown in Figure 1, outer barrel 6 is installed on the top of pedestal 8, and the pump housing 3, the upper end of the pump housing 3 peace are installed in the top of outer barrel 6
Armored pump first 1, cavity 5 is constituted in the upper interior of pedestal 8, the inner side of outer barrel 6 and the lower inner part of the pump housing 3, and impeller 4, which is erect, is arranged on chamber
Middle part in body 5, the lower end of main shaft 2 is passed down through the center line of impeller 4 and fixed, and the upper end of main shaft 2 is upward through the top of the pump housing 3 from pump head 1
Upper end is passed, and the opposite sides of pedestal 8 is respectively symmetrically fixed with water inlet and delivery port, and water inlet and delivery port are coaxial, also, enter
The mouth of a river and delivery port are identical with the minimum point of pedestal 8.
In foregoing, the Mounting frequency controller of pump head 1.
In foregoing, the lower end edge being connected in outer barrel 6 with pedestal 8, and outer barrel 6 are respectively mounted O-ring with the upper end edge of the pump housing 3
7。
In foregoing, neck ring 9 is installed between the adjacent blades of impeller 4.
In foregoing, installed between main shaft 2 and pump head 1 by axle envelope 10.
In foregoing, the bottom outside of pedestal 8 fixes substrate 11.
In foregoing, pressure sensor is installed on the pipeline that water inlet or delivery port are connected.
In foregoing, water inlet and the delivery port of pump are located in the same horizontal line of pedestal 8, convenient to be directly used for pump housing equipment
Among pipeline is installed.
In foregoing, frequency controller ensures the rotation speed change of continuous control pump, makes pump being set in any operating point operation
It is possibly realized, the target of continuous control motor speed change is the performance that pump is adjusted by given demand.
In the present embodiment, pump head 1 and pedestal 8 use cast iron materials.Main shaft 2, impeller 4, cavity 5 and outer barrel 6 be not using
Become rusty steel making.
The utility model, pump can provide the pump-type of the pressure sensor of equipped cline frequency controller, it is possible to realize permanent
Constant temperature degree, pressure, flow and middle control.For constant flow rate control, suitable for steam boiler system, condenser system, spray irrigation system
And chemical industry etc., to keep constant water level, it can detect and the operation of controlling pump is quite important.This need by using equipped with
Constant water level can be kept by installing level sensor, it can be ensured that boiler optimization and energy-saving run when stablizing output steam.
The utility model, pump housing pressure sensor is used to ensure that the pressure in pipe network is constant, and the pump housing connects from sensor
Receive due to water content consumption amount change caused by pressure change signal, by adjust flow until pressure it is equal to respond the signal,
Constant pressure is stable at former setting value again.
In the utility model, using excellent hydraulic model and advanced manufacturing process, axle envelope uses Hardmetal materials
And the mechanical seal of fluorubber, the excessively stream part of pump formed using stainless steel plate punch welding so that pump is applicable to slight corruption
Corrosion medium.It can be needed to be equipped with intellective protector according to user, dry turn of pump, phase shortage, overload etc. are effectively protected.Interface method
Blue internal diameter 65-140mm, power of motor 75kW, maximum pressure 19-23bar, nominal flow capacity 32-150m3/ h, temperature range -30-+
120℃.Pump maximal efficiency 72-81%, it is adaptable under constant pressure, supplied water, rinsed and purging system, the water of water factory are matched somebody with somebody
Give, humidification system, water treatment system, flow pressure charging system etc..
Claims (5)
1. frequency-changing vertical centrifugal multistage pump multiple centrifugal pump, including pump head (1), main shaft (2), the pump housing (3), impeller (4), cavity (5), outer barrel (6)
With pedestal (8)；Characterized in that, outer barrel (6) is installed on pedestal (8) top, outer barrel (6) top is installed on the pump housing (3), the pump housing (3)
Pump head (1) is installed at end, and cavity (5), leaf are constituted in pedestal (8) upper interior, outer barrel (6) inner side and the pump housing (3) lower inner part
Take turns (4) and erect the middle part in cavity (5), main shaft (2) lower end is passed down through impeller (4) center line and fixed, main shaft (2) upper end
It is upward through at the top of the pump housing (3) and is passed from pump head (1) upper end, pedestal (8) opposite sides is respectively symmetrically fixed with water inlet and gone out
The mouth of a river, water inlet and delivery port are coaxial, also, water inlet and delivery port are identical with the minimum point of pedestal (8).
2. frequency-changing vertical centrifugal multistage pump multiple centrifugal pump as claimed in claim 1, it is characterised in that pump head (1) Mounting frequency controller.
3. frequency-changing vertical centrifugal multistage pump multiple centrifugal pump as claimed in claim 1, it is characterised in that be connected in outer barrel (6) with pedestal (8)
Lower end edge, and outer barrel (6) are respectively mounted O-ring (7) with the pump housing (3) upper end edge.
4. frequency-changing vertical centrifugal multistage pump multiple centrifugal pump as claimed in claim 1, it is characterised in that between the adjacent blades of impeller (4)
Neck ring (9) is installed.
5. frequency-changing vertical centrifugal multistage pump multiple centrifugal pump as claimed in claim 1, it is characterised in that the pipe connected in water inlet or delivery port
Pressure sensor is installed on line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720002502.7U CN206409391U (en) | 2017-01-03 | 2017-01-03 | Frequency-changing vertical centrifugal multistage pump multiple centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720002502.7U CN206409391U (en) | 2017-01-03 | 2017-01-03 | Frequency-changing vertical centrifugal multistage pump multiple centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206409391U true CN206409391U (en) | 2017-08-15 |
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ID=59553786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720002502.7U Active CN206409391U (en) | 2017-01-03 | 2017-01-03 | Frequency-changing vertical centrifugal multistage pump multiple centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206409391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575377A (en) * | 2017-10-26 | 2018-01-12 | 泗县金皖泵业有限公司 | A kind of vertical high pressure screw pump |
-
2017
- 2017-01-03 CN CN201720002502.7U patent/CN206409391U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575377A (en) * | 2017-10-26 | 2018-01-12 | 泗县金皖泵业有限公司 | A kind of vertical high pressure screw pump |
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