CN110332126A - A kind of double entry pump with flushing isolation ring - Google Patents
A kind of double entry pump with flushing isolation ring Download PDFInfo
- Publication number
- CN110332126A CN110332126A CN201910748020.XA CN201910748020A CN110332126A CN 110332126 A CN110332126 A CN 110332126A CN 201910748020 A CN201910748020 A CN 201910748020A CN 110332126 A CN110332126 A CN 110332126A
- Authority
- CN
- China
- Prior art keywords
- branch
- pump
- isolation ring
- mounting platform
- impeller
- 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.)
- Granted
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 68
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000008237 rinsing water Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/006—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
It is fixed on pump shaft and is rotated together with pump shaft with the double entry pump for rinsing isolation ring, including pump case, flushing pipe, isolation ring, impeller and pump shaft, impeller the invention discloses a kind of;Isolation ring is set between impeller and pump case, and sink and capillary flushing hole are rinsed in setting on isolation ring, and capillary flushing hole setting is being rinsed below sink and is being connected to sink is rinsed;Water hole is rinsed in setting on pump case, is rinsed water hole and is connected to flushing sink;The two sides of impeller are respectively provided with isolation ring, and isolation ring is fixed on pump case and there are certain gaps with impeller, is rinsed water hole and is connect with flushing pipe, and the water flow in flushing pipe enters capillary flushing hole by rinsing water hole, rinsing sink.Isolation ring is arranged in the present invention between impeller and pump case, and sink and capillary flushing hole are rinsed in setting on isolation ring, can effectively be cleaned to impeller, to avoid impeller and pump case fixation stuck;Water flow is after rinsing sink buffering, and water flow is to rinse from top to down, and flushing effect is more preferable.
Description
Technical field
The invention belongs to water pump fields, and in particular to and it is a kind of with the double entry pump for rinsing isolation ring, for traditional sealing
Ring improves, and the isolation ring after improving is provided with capillary flushing hole, by the flushing of water flow, it is possible to prevente effectively from impeller
Fouling is deposited, avoids impeller stuck.
Background technique
An important branch of the double entry pump as centrifugal pump, its main feature is that lift is high, flow is big, therefore in the industrial production
It is used widely.The impeller of double entry pump is usually to be made of two back-to-back impellers, and when work consumes energy larger therefore right
Continuous optimization is needed in the performance of double entry pump.
Currently, double entry pump is improved by more and more researchers, but existing double entry pump is generally in water medium
Using much under environment, for wastewater media, double entry pump is less suitable.For example, when conveying containing silt, suspended matter or other
Easily deposition fouling medium when, need to rinse sealing ring after shutdown, but due to not easy cleaning at sealing ring, need to expend a large amount of
Clear water, it is not energy-efficient;If it is improper to clean at sealing ring, dirt is easy deposition, once fouling be easy to cause impeller stuck.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of with the double entry pump for rinsing isolation ring, will
Traditional sealing ring is arranged to isolation ring, and sink and capillary flushing hole are rinsed in setting on isolation ring, can be stuck to avoid impeller.
The purpose of the present invention is achieved through the following technical solutions:
It is a kind of solid with the double entry pump for rinsing isolation ring, including pump case, flushing pipe, isolation ring, impeller and pump shaft, impeller
It is scheduled on pump shaft and is rotated together with pump shaft;
Isolation ring is set between impeller and pump case, and sink and capillary flushing hole, capillary flushing hole are rinsed in setting on isolation ring
Setting is being rinsed below sink and is being connected to sink is rinsed;Water hole is rinsed in setting on pump case, is rinsed water hole and is connected to flushing sink;
The two sides of impeller are respectively provided with isolation ring, and isolation ring is fixed on pump case and there are certain gaps with impeller, rinse
Water hole is connect with flushing pipe, and the water flow in flushing pipe enters capillary flushing hole by rinsing water hole, rinsing sink.
It is preferred that the gap of isolation ring and impeller is no more than 1mm.
It is preferred that impeller is directly threadedly coupled with pump shaft, the axis of impeller sets up internal screw thread, is arranged on pump shaft
One section of external screw thread, impeller location are fixed after determining by holding screw.
It is preferred that flushing pipe includes main pipe rail and branch, main pipe rail is connected in branch, and branch is mutually connected to pump case.
It is preferred that main pipe rail and branch road are respectively provided with valve.
It is preferred that main pipe rail includes the first pipeline and the second pipeline;Branch include the first branch, second branch,
Third branch, the 4th branch, the 5th branch and the 6th branch;
Wherein, the first branch, second branch and third branch and the first piping connection, the 4th branch, the 5th branch and
Six branches and the second piping connection;
Main valve is set on the first pipeline and the second pipeline, the first branch and the 6th road setting branch road valve, second
Road, third branch, the 4th branch and the 5th road are not provided with valve.
It is preferred that the top of pump case is arranged three layers of mounting platform, three layers of mounting platform include the first mounting platform,
Second mounting platform, third mounting platform, the 4th mounting platform and the 5th mounting platform;
Third mounting platform is located at the top of pump case, and the second mounting platform is located at the first mounting platform and third mounting platform
Between, the 4th mounting platform is between third mounting platform and the 5th mounting platform;
Gas vent is set on third mounting platform, exhaust valve is set on the pipeline connecting with gas vent;
Water hole is rinsed in setting on second mounting platform and the 4th mounting platform, is rinsed water hole and is separately connected second branch and the
Five branches;Water hole is set on the first mounting platform and the 5th mounting platform, and water hole is separately connected the first branch and the 6th
Road;Third branch, third mounting platform and the 4th installation are fixed on side wall between second mounting platform and third mounting platform
The 4th branch is fixed on side wall between platform.
It is preferred that the section of isolation ring is U-shaped, isolation ring includes bottom and two sides branch, and hair is arranged on bottom
Thin flushing hole, fluting is for installing in branch " O " type sealing strip;It is formed between bottom and branch and rinses sink.
It is preferred that non-driven-end bearing body component and drive end bearing body portion is respectively set in the two sides of pump case
Part;The bearing of non-driven-end bearing body component and drive end bearing body component is connect with pump shaft;Pump shaft stretches out drive end bearing body
Component simultaneously installs a pump shaft coupling in shaft, pumps and keyway is arranged on shaft coupling.
It is preferred that drive end bearing body component and drive end bearing body component pass through studs, spring pad
Piece and nut are fixed with the pump housing.
The beneficial effects of the present invention are:
(1) isolation ring is set between impeller and pump case, and sink and capillary flushing hole, connection are rinsed in setting on isolation ring
Behind water source, impeller can effectively be cleaned, avoid dirt fouling, to avoid impeller and pump case fixation stuck;
(2) it is to make water flow more continuous, and after rinsing sink buffering, enter capillary that the purpose of sink is rinsed in setting
The water flow of flushing hole is more evenly;
(3) isolation ring is fixed on pump case, not with wheel rotation, long service life;
(4) structure of sink and capillary flushing hole is rinsed due to defining, water flow is to rinse from top to down, it consumes energy lower,
And flushing effect is more preferable.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the structural schematic diagram in the portion A in Fig. 1;
Fig. 3 is one of the structural schematic diagram of isolation ring;
Fig. 4 is the second structural representation of isolation ring;
In figure, 1- non-driven-end bearing body component, 2- branch road valve, 3- flushing pipe, 4- impeller, 5- exhaust valve, the 6- pump housing,
7- holding screw, 8- pump shaft, 9- keyway, 10- drive end bearing body component, 11- diffusion type lip, 12- pump foot, and 13- " O " type is close
Strip of paper used for sealing, 14- isolation ring, 15- main valve, 16- bearing oil, 17- delivery chamber, 18- suction chamber, 19- capillary flushing hole.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
In the description of the embodiment of the present invention, it should be noted that indicating position or positional relationship is based on shown in attached drawings
The orientation or positional relationship invention product using when the orientation or positional relationship usually put or this field
Orientation or positional relationship that technical staff usually understands or the invention product using when the orientation usually put or position close
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " the
One ", " second " is only used for distinguishing description, is not understood to indicate or imply relative importance.
Embodiment one
As Figure 1-Figure 4, a kind of with the double entry pump for rinsing isolation ring, including pump case, flushing pipe 3, isolation ring 14, leaf
Wheel 4 and pump shaft 8, impeller 4 are fixed on pump shaft 8 and rotate together with pump shaft 8;
Isolation ring 14 is set between impeller 4 and pump case, and sink and capillary flushing hole 19, capillary are rinsed in setting on isolation ring 14
The setting of flushing hole 19 is being rinsed below sink and is being connected to sink is rinsed;Water hole is rinsed in setting on pump case, is rinsed water hole and is connected to
Rinse sink;
The two sides of impeller 4 are respectively provided with isolation ring 14, and isolation ring 14 is fixed on pump case and between the presence centainly of impeller 4
Gap is rinsed water hole and is connect with flushing pipe 3, and the water flow in flushing pipe 3 enters capillary flushing hole by rinsing water hole, rinsing sink
19。
Compared to traditional double entry pump, the present invention, which is provided with, rinses sink and capillary flushing hole 19, can carry out to impeller 4
Effectively cleaning, avoids impeller 4 stuck.
Since impeller 4 is rotation at work, gap is certainly existed between isolation ring 14 and impeller 4, but every
It is no more than 1mm from the gap of ring 14 and impeller 4, after 1mm, the water of reflux is more, influences isolation effect.
Embodiment two
The present embodiment is similar to embodiment one, the difference is that, impeller 4 is directly threadedly coupled with pump shaft 8, impeller 4
Axis sets up internal screw thread, and one section of external screw thread is arranged on pump shaft 8, and 4 position of impeller is fixed by holding screw 7 after determining.
Currently, the connection of impeller 4 is using the form of axle sleeve connection, due to needing the groups such as axle sleeve, interstage sleeve and sleeve nut
Part causes the structure of entire double entry pump very complicated, and volume is larger, and since excessive part, high failure rate is arranged.The present invention
Impeller 4 is arranged to be threadedly coupled with pump shaft 8, bonding strength is high, and fixed by holding screw 7, can carry out impeller 4
Positioning.In the case where same traffic, the volume of double entry pump be can be made smaller, and failure rate is lower.
Embodiment three
The present invention gives specific embodiment to the structure of 3 part of flushing pipe: flushing pipe 3 includes main pipe rail and branch,
Main pipe rail is connected in branch, and branch is mutually connected to pump case.
Main pipe rail and branch road are respectively provided with valve.
Main pipe rail includes the first pipeline and the second pipeline;Branch includes the first branch, second branch, third branch, the 4th
Branch, the 5th branch and the 6th branch;
Wherein, the first branch, second branch and third branch and the first piping connection, the 4th branch, the 5th branch and
Six branches and the second piping connection;
Setting main valve 15 on first pipeline and the second pipeline, the first branch and the 6th road setting branch road valve 2, second
Branch, third branch, the 4th branch and the 5th road are not provided with valve.
The top of pump case is arranged three layers of mounting platform, three layers of mounting platform include the first mounting platform, the second mounting platform,
Third mounting platform, the 4th mounting platform and the 5th mounting platform;
Third mounting platform is located at the top of pump case, and the second mounting platform is located at the first mounting platform and third mounting platform
Between, the 4th mounting platform is between third mounting platform and the 5th mounting platform;
Gas vent is set on third mounting platform, exhaust valve 5 is set on the pipeline connecting with gas vent;
Water hole is rinsed in setting on second mounting platform and the 4th mounting platform, is rinsed water hole and is separately connected second branch and the
Five branches;Water hole is set on the first mounting platform and the 5th mounting platform, and water hole is separately connected the first branch and the 6th
Road;Third branch, third mounting platform and the 4th installation are fixed on side wall between second mounting platform and third mounting platform
The 4th branch is fixed on side wall between platform.
As it can be seen that the flushing pipe 3 in embodiment is more than all the way, multichannel flushing pipe 3 is arranged in the top of pump case, from top to bottom to pump
It is inside rinsed, flushing effect is good.
Example IV
The section of isolation ring 14 is U-shaped, and isolation ring 14 includes bottom and two sides branch, and capillary flushing hole is arranged on bottom
19, fluting is for installing in branch " O " type sealing strip 13;It is formed between bottom and branch and rinses sink.Isolation ring 14 and pump case
Body installation position is arranged two seals item and seals, and can control the leakage from high pressure pump chamber to low pressure pump chamber, so as to reduce
Pump case is washed away.It should be noted that from top to down due to water flow, the lower part of isolation ring 14 is not necessarily to be arranged
Capillary flushing hole 19, as shown in figure 3, only capillary flushing hole 19 is arranged in half-turn on isolation ring 14.
Embodiment five
Since traditional sealing ring import lip is straight flange, sealing ring and pump case installation site are without sealing structure, therefore
Relatively it is suitble to for general water medium.The present invention is straight flange, isolation ring 14 and pump case installation position in 14 import lip of isolation ring
No sealing structure is set, the efficiency of pump is influenced.The present invention is provided with diffusion type lip 11 or a gear in the side of isolation ring 14
Withdrawing fluid is reduced to leaf as shown in figure 4, setting can play reduction water flow from delivery chamber 17 into suction chamber 18 in this way in portion
The influence for taking turns 4 suction inlets improves the delivery efficiency of pump.
Embodiment six
It in order to be supported to pump shaft 8, and preferably rotates convenient for pump shaft 8, the present invention distinguishes in the two sides of pump case
Non-driven-end bearing body component 1 and drive end bearing body component 10 are set;Non-driven-end bearing body component 1 and drive end bearing body
The bearing of component 10 is connect with pump shaft 8;Pump shaft 8 stretches out drive end bearing body component 10 and installs a pump shaft coupling in shaft
Device pumps and keyway 9 is arranged on shaft coupling.Pump shaft coupling is connect by key with machine shaft or motor coupler.Anti-drive end axis
It holds body component 1 and drive end bearing body component 10 is respectively provided with bearing, play a supporting role after bearing is fixed to pump shaft 8, another party
Face is due to the connection relationship of pump shaft 8 and bearing, so that the rotation of pump shaft 8 is more smooth, the energy of loss is less, is more advantageous to dynamic
The output of power.In order to be lubricated to bearing, it is respectively provided in non-driven-end bearing body component 1 and drive end bearing body component 10
There is bearing lubrication oil pocket, the intracavitary lubricating oil of bearing oil 16 is lubricated bearing.
Drive end bearing body component 10 and drive end bearing body component 10 by studs, spring shim and nut with
The pump housing 6 is fixed.Since non-driven-end bearing body component 1 and drive end bearing body component 10 are arranged outside the pump housing 6, and its weight
Weight, by the type of attachment of studs, enables to bonding strength higher, guarantees non-driven-end bearing body component 1 and driving
The long-time service of end bearing body component 10.
Typically, support can be all arranged in water pump, and the present invention is also arranged a pump under the pump housing 6 and supports, and difference exists
In, pump support includes 4 pump feet 12, and pump foot 12 is unfolded outward by pump case, forms the support of an expansion, and upper end is shunk, under
End expansion, good supporting force, meanwhile, compared to previous rectangular support, it can also save material, good economy performance;Pump the end of foot 12
Mounting hole is arranged in portion, convenient for being bolted.It is fixed by bolt (expansion bolt), it is easy for installation, and fixing intensity is high, keeps away
Exempt from pump support after vibrating for a long time to loosen.
In conclusion capillary flushing hole 19 is arranged in half-turn on isolation ring 14 of the present invention, contain silt when conveying, suspended matter, easily
When depositing fouling medium, flushing water is rinsed after shutdown, can prevent from shutting down 4 stuck phenomenon of fouling impeller.Isolation ring 14 and pump
Shell installation position is arranged two seals item and seals, and can control the leakage from high pressure pump chamber to low pressure pump chamber, so as to reduce
Pump case is washed away.In addition, the present invention, which is additionally provided with 14 diffusion type lip 11 of isolation ring, can reduce the fluid pair of seal clearance
It is lost caused by 4 import of impeller, is conducive to improve the efficiency of pump;And diffusion type lip 11 is conducive to deslagging, and especially medium contains
There are the grains of sand to can be convenient discharge, avoiding being directly entered in gap causes isolation ring 14 and impeller 4 to wear.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of with the double entry pump for rinsing isolation ring, it is characterised in that: including pump case, flushing pipe, isolation ring, impeller and pump
Axis, impeller are fixed on pump shaft and rotate together with pump shaft;
Isolation ring is set between impeller and pump case, and sink and capillary flushing hole, capillary flushing hole setting are rinsed in setting on isolation ring
It is rinsing below sink and is being connected to sink is rinsed;Water hole is rinsed in setting on pump case, is rinsed water hole and is connected to flushing sink;
The two sides of impeller are respectively provided with isolation ring, and isolation ring is fixed on pump case and there are certain gaps with impeller, rinse water hole
It is connect with flushing pipe, the water flow in flushing pipe enters capillary flushing hole by rinsing water hole, rinsing sink.
2. according to claim 1 a kind of with the double entry pump for rinsing isolation ring, it is characterised in that: isolation ring and impeller
Gap is no more than 1mm.
3. according to claim 1 a kind of with the double entry pump for rinsing isolation ring, it is characterised in that: impeller is directly and pump shaft
It is threadedly coupled, the axis of impeller sets up internal screw thread, and one section of external screw thread is arranged on pump shaft, and impeller location passes through clamp screw after determining
Nail is fixed.
4. according to claim 1 a kind of with the double entry pump for rinsing isolation ring, it is characterised in that: flushing pipe includes general pipeline
Road and branch, main pipe rail are connected in branch, and branch is mutually connected to pump case.
5. according to claim 4 a kind of with the double entry pump for rinsing isolation ring, it is characterised in that: main pipe rail and branch road
It is respectively provided with valve.
6. according to claim 4 a kind of with the double entry pump for rinsing isolation ring, it is characterised in that: main pipe rail includes first
Pipeline and the second pipeline;Branch includes the first branch, second branch, third branch, the 4th branch, the 5th branch and the 6th
Road;
Wherein, the first branch, second branch and third branch and the first piping connection, the 4th branch, the 5th branch and the 6th
Road and the second piping connection;
Main valve is set on the first pipeline and the second pipeline, the first branch and the 6th road setting branch road valve, second branch, the
Three branches, the 4th branch and the 5th road are not provided with valve.
7. according to claim 6 a kind of with the double entry pump for rinsing isolation ring, it is characterised in that: the top of pump case is arranged
Three layers of mounting platform, three layers of mounting platform include the first mounting platform, the second mounting platform, third mounting platform, the 4th installation
Platform and the 5th mounting platform;
Third mounting platform is located at the top of pump case, the second mounting platform be located at the first mounting platform and third mounting platform it
Between, the 4th mounting platform is between third mounting platform and the 5th mounting platform;
Gas vent is set on third mounting platform, exhaust valve is set on the pipeline connecting with gas vent;
Water hole is rinsed in setting on second mounting platform and the 4th mounting platform, is rinsed water hole and is separately connected second branch and the 5th
Road;Water hole is set on the first mounting platform and the 5th mounting platform, and water hole is separately connected the first branch and the 6th branch;The
Fix third branch on side wall between two mounting platforms and third mounting platform, third mounting platform and the 4th mounting platform it
Between side wall on fix the 4th branch.
8. according to claim 1 a kind of with the double entry pump for rinsing isolation ring, it is characterised in that: the section of isolation ring is
U-shaped, isolation ring include bottom and two sides branch, capillary flushing hole are arranged on bottom, fluting is for installing in branch " sealing of O " type
Item;It is formed between bottom and branch and rinses sink.
9. according to claim 1 a kind of with the double entry pump for rinsing isolation ring, it is characterised in that: in the two sides of pump case point
It She Zhi not non-driven-end bearing body component and drive end bearing body component;Non-driven-end bearing body component and drive end bearing body portion
The bearing of part is connect with pump shaft;Pump shaft stretches out drive end bearing body component and installs a pump shaft coupling in shaft, pumps shaft coupling
Keyway is set on device.
10. according to claim 9 a kind of with the double entry pump for rinsing isolation ring, it is characterised in that: drive end bearing body
Component and drive end bearing body component pass through studs, spring shim and nut and the pump housing is fixed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910748020.XA CN110332126B (en) | 2019-08-14 | 2019-08-14 | Double suction pump with flushing isolating ring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910748020.XA CN110332126B (en) | 2019-08-14 | 2019-08-14 | Double suction pump with flushing isolating ring |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110332126A true CN110332126A (en) | 2019-10-15 |
CN110332126B CN110332126B (en) | 2024-07-05 |
Family
ID=68149600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910748020.XA Active CN110332126B (en) | 2019-08-14 | 2019-08-14 | Double suction pump with flushing isolating ring |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110332126B (en) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB497287A (en) * | 1936-06-26 | 1938-12-16 | Allen Sherman Hoff Co | Improvements in centrifugal pumps |
DE20316570U1 (en) * | 2002-11-02 | 2004-01-15 | Tuchenhagen Gmbh | Rotary pump sealing ring flush and cool system includes flushing chamber in housing chamber sealed off from pump product by sealing rings and static slide rings. |
US20090179386A1 (en) * | 2008-01-14 | 2009-07-16 | Hoerbiger Kompresortechnik Holding Gmbh | Gastight piston ring arrangement |
WO2016107618A1 (en) * | 2014-12-30 | 2016-07-07 | Nidec Gpm Gmbh | Coolant pump |
CN206092491U (en) * | 2016-10-27 | 2017-04-12 | 湖南凯利特泵业有限公司 | Double suction pump seal structure |
CN206943013U (en) * | 2017-05-25 | 2018-01-30 | 湖南南方长河泵业有限公司 | A kind of wear-resistant single-stage double-suction middle-opening pump rinsed with cooling |
CN107829972A (en) * | 2017-09-06 | 2018-03-23 | 武汉船用机械有限责任公司 | A kind of Cargo Oil Pump |
CN108825506A (en) * | 2018-05-24 | 2018-11-16 | 陕西科技大学 | It is not easy to be washed in the level of abrasion and opens horizontal double sucking pump |
CN108980054A (en) * | 2018-07-25 | 2018-12-11 | 成都西南水泵厂 | Vertical high-efficiency energy-saving automatic control self-priming scale pump |
CN109236724A (en) * | 2018-11-20 | 2019-01-18 | 安徽埃斯克制泵有限公司 | A kind of single-stage double-suction middle-opening pump with good seal performance |
CN210371186U (en) * | 2019-08-14 | 2020-04-21 | 成都西南水泵厂 | Double-suction pump with flushing isolation ring |
-
2019
- 2019-08-14 CN CN201910748020.XA patent/CN110332126B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB497287A (en) * | 1936-06-26 | 1938-12-16 | Allen Sherman Hoff Co | Improvements in centrifugal pumps |
DE20316570U1 (en) * | 2002-11-02 | 2004-01-15 | Tuchenhagen Gmbh | Rotary pump sealing ring flush and cool system includes flushing chamber in housing chamber sealed off from pump product by sealing rings and static slide rings. |
US20090179386A1 (en) * | 2008-01-14 | 2009-07-16 | Hoerbiger Kompresortechnik Holding Gmbh | Gastight piston ring arrangement |
WO2016107618A1 (en) * | 2014-12-30 | 2016-07-07 | Nidec Gpm Gmbh | Coolant pump |
CN206092491U (en) * | 2016-10-27 | 2017-04-12 | 湖南凯利特泵业有限公司 | Double suction pump seal structure |
CN206943013U (en) * | 2017-05-25 | 2018-01-30 | 湖南南方长河泵业有限公司 | A kind of wear-resistant single-stage double-suction middle-opening pump rinsed with cooling |
CN107829972A (en) * | 2017-09-06 | 2018-03-23 | 武汉船用机械有限责任公司 | A kind of Cargo Oil Pump |
CN108825506A (en) * | 2018-05-24 | 2018-11-16 | 陕西科技大学 | It is not easy to be washed in the level of abrasion and opens horizontal double sucking pump |
CN108980054A (en) * | 2018-07-25 | 2018-12-11 | 成都西南水泵厂 | Vertical high-efficiency energy-saving automatic control self-priming scale pump |
CN109236724A (en) * | 2018-11-20 | 2019-01-18 | 安徽埃斯克制泵有限公司 | A kind of single-stage double-suction middle-opening pump with good seal performance |
CN210371186U (en) * | 2019-08-14 | 2020-04-21 | 成都西南水泵厂 | Double-suction pump with flushing isolation ring |
Also Published As
Publication number | Publication date |
---|---|
CN110332126B (en) | 2024-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106122108B (en) | A kind of mechanical face seals of centrifugal pumps flusher | |
CN209990691U (en) | End suction type direct connection double-suction pump | |
CN101303027A (en) | Vertical type multilevel barrel bag pump | |
CN106089732A (en) | A kind of pipeline dredge pump | |
CN110332126A (en) | A kind of double entry pump with flushing isolation ring | |
CN210371186U (en) | Double-suction pump with flushing isolation ring | |
CN113294347B (en) | Vertical double-suction pump and design method thereof | |
CN216975258U (en) | Vertical double-suction pump | |
CN108980054A (en) | Vertical high-efficiency energy-saving automatic control self-priming scale pump | |
CN202040090U (en) | Water pump | |
CN115263762A (en) | Single-stage double-suction centrifugal pump with additional sealing cavity structure | |
CN210484083U (en) | Double-suction sewage pump | |
CN201111556Y (en) | Direct connecting type centrifuge sand pump | |
CN110657099A (en) | Single-stage double-suction horizontal self-priming pump | |
CN101504001A (en) | Energy-saving horizontal multi-stage centrifugal pump | |
CN205714792U (en) | A kind of pipeline pump priming device | |
CN217080810U (en) | Molten salt pump | |
CN214304377U (en) | Bearing support pipeline pump | |
CN215927791U (en) | Energy-efficient pre-pump that power plant unit was used | |
CN215213972U (en) | High-performance horizontal self-priming pump | |
CN208669621U (en) | A kind of air-conditioning duct pump | |
CN213981206U (en) | Pump for nuclear power plant | |
CN210439377U (en) | Integrated pump house | |
CN103352872B (en) | There is the multistage pump suction casing from flushing mechanism | |
CN2556405Y (en) | Single-stage double-suction centrifugal sewage pump |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |