CN207393488U - Large-scale alkali pump pump body structure - Google Patents
Large-scale alkali pump pump body structure Download PDFInfo
- Publication number
- CN207393488U CN207393488U CN201720913481.4U CN201720913481U CN207393488U CN 207393488 U CN207393488 U CN 207393488U CN 201720913481 U CN201720913481 U CN 201720913481U CN 207393488 U CN207393488 U CN 207393488U
- Authority
- CN
- China
- Prior art keywords
- pump
- pump housing
- flange
- spiral case
- interface pipe
- 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
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Large-scale alkali pump pump body structure, it is connected to the pump housing of flange-interface pipe including a scroll casing shape, one side axial end, there is the spiral case cavity for accommodating impeller rotation in the pump housing, the outer end ring-shaped cavity of spiral case cavity is that an axial cross section is half kidney ellipsoid flow channel for liquids body, the half kidney ellipsoid flow channel for liquids body wherein positioned at flange-interface pipe one side is connected with the flange-interface pipe with chamfered transition, forms liquid communication road junction；The opposite side axial end of the pump housing is pump cover connecting end surface, and central bore is corresponding with pump cover, and is provided with the step circular groove being embedded in for pump cover on the outside of the central bore on inner edge；The spiral case cavity set in the pump housing is connected to one and is in the connected state fluid hose of arranged tangential, and the outer end of the fluid hose is provided with external pipe flange；The step being provided at the liquid communication road junction for impeller axle installation positioning installs convex shoulder；It has it is simple in structure, it is easy to install, reduce manufacture cost the features such as.
Description
Technical field
The utility model relates to a kind of large-scale alkali pump pump body structures, belong to chemical industry pump technical field.
Background technology
For alkali pump as a kind of chemical pump, structure is the centrifugar liquid pump for needing motor as power source, but due to changing
The working environment of work pump is often there are certain corrosivity, and the stator of motor and rotor are all mounted on output shaft, commonly
In contrast the shaft dynamic sealing of chemical pump is easy to cause medium leakage using conventional movable sealing structure.In addition, pump
The part contact corrosion pump liquid of body and pump cover is often higher using cost to improve the corrosion resistance of the pump housing and pump cover
Resistant material, this will greatly increase the manufacture cost of chemical pump, therefore, how improve the sealing performance of chemical pump, prevent
Only the manufacture cost of corrosive liquids leakage and reduction chemical pump is the thing that Beng Ye manufacturing enterprises are extremely concerned about.
If Patent No. ZL201520006773.0 discloses a kind of chemical pump, including the pump housing and pump cover, wherein, pump cover
It is arranged on the pump housing, pump cover forms a centrifugal chamber with the pump housing, is provided with impeller in centrifugal chamber, pump cover is provided with impeller corresponding position
Impeller sleeve；Pump cover is connected with a suspended rack assembly, and a horizontally disposed shaft is provided in suspended rack assembly, and shaft one end passes through
Suspended rack assembly, pump cover are adapted with impeller sleeve, and impeller is mutually fixed by impeller nut and shaft one end, and impeller is with shaft
It rotates；Pump cover is being provided with mechanical sealing member with shaft corresponding position, and mechanical sealing member is configured with gland, and gland clinching is in pump cover
On.
The content of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, and offer is a kind of simple in structure, and installation makes
With conveniently, can the impeller pump work reliability that set in centrifugal chamber, drop be improved by the centrifugal chamber that combines to form with pump cover
The large-scale alkali pump pump body structure of low manufacture cost.
The purpose of this utility model is completed by following technical solution, and a kind of large size alkali pump pump body structure, it is wrapped
Include a scroll casing shape, one side axial end is connected to the pump housing of flange-interface pipe, the spiral case for having receiving impeller rotation in the pump housing
Cavity, the outer end ring-shaped cavity of spiral case cavity is that an axial cross section is half kidney ellipsoid flow channel for liquids body, wherein positioned at flange-interface
Half kidney ellipsoid flow channel for liquids body of pipe one side is connected with the flange-interface pipe with chamfered transition, forms liquid communication road junction；Institute
The opposite side axial end of the pump housing is stated as pump cover connecting end surface, central bore is corresponding with pump cover, and interior on the outside of central bore
The step circular groove for pump cover insertion is provided on side.
As preferred：The spiral case cavity set in the pump housing is connected to a connected state fluid hose in arranged tangential, and
The outer end of the fluid hose is provided with external pipe flange；It is fixed for impeller axle installation to be provided at the liquid communication road junction
The step installation convex shoulder of position；Separately it is provided with to place the pump housing of bottom surface or connection in the scroll casing shape bottom of the pump housing
Seat.
The utility model have it is simple in structure, it is easy to install, can by combining to form a centrifugal chamber with pump cover,
The features such as improving the impeller pump work reliability set in centrifugal chamber, reducing manufacture cost.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the pump housing described in the utility model.
Fig. 2 is the side structure schematic view of the pump housing described in the utility model.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing：Fig. 1, shown in 2, one kind described in the utility model
Large-scale alkali pump pump body structure, it is connected to the pump housing 2 of flange-interface pipe 1, the pump housing including a scroll casing shape, one side axial end
There is the spiral case cavity 3 for accommodating impeller rotation in 2, the outer end ring-shaped cavity of spiral case cavity is that an axial cross section is half kidney ellipsoid liquid
Runner body 4, wherein positioned at half kidney ellipsoid flow channel for liquids body of 1 one side of flange-interface pipe and the flange-interface pipe with 5 mistake of inclined-plane
It crosses and connects, form liquid communication road junction 6, be conducive to the flow regime of fluid, improve fluid and pumping in vivo mobile performance；It is described
The opposite side axial end of the pump housing 2 is pump cover connecting end surface 7, and central bore 8 is corresponding with pump cover, and in 8 outside of central bore
It is provided on inner edge for pump cover insertion and positions fixed step circular groove 9.
Shown in figure, the spiral case cavity 3 set in the pump housing 2 is connected to a connected state fluid hose in arranged tangential
10, and external pipe flange 11 is provided in the outer end of the fluid hose 10；It is provided at the liquid communication road junction 6 for leaf
The step installation convex shoulder 12 of wheel shaft installation positioning improves the work efficiency and stability of impeller rotation；Separately in the pump housing 2
Scroll casing shape bottom be provided with for whole chemical pump to be positioned over the pump housing seat 13 of ground or connection.
The utility model can be used for according to the prior art is mating on chemical pump, especially alkali pump, with pump cover, impeller, pump
A new chemical pump is formed after the assemblings such as axis, dynamic sealing means and driving motor, those skilled in the art are understanding
On the basis of the utility model content, using the prior art and the knowledge of grasp, implement the utility model and implementation one
What chemical pump was that by, and any creative work need not be made.
Claims (2)
1. large-scale alkali pump pump body structure, it is connected to the pump housing of flange-interface pipe, feature including a scroll casing shape, one side axial end
It is there is the spiral case cavity for accommodating impeller rotation in the pump housing, the outer end ring-shaped cavity of spiral case cavity is that an axial cross section is
Half kidney ellipsoid flow channel for liquids body, wherein half kidney ellipsoid flow channel for liquids body and the flange-interface pipe positioned at flange-interface pipe one side
Connected with chamfered transition, form liquid communication road junction；The opposite side axial end of the pump housing is pump cover connecting end surface, wherein intracardiac
Hole is corresponding with pump cover, and is provided with the step circular groove for pump cover insertion on the outside of the central bore on inner edge.
2. large size alkali pump pump body structure according to claim 1, it is characterised in that the spiral case cavity set in the pump housing
It is connected to one and is in the connected state fluid hose of arranged tangential, and the outer end of the fluid hose is provided with external pipe flange；Described
The step being provided at liquid communication road junction for impeller axle installation positioning installs convex shoulder；Separately in the scroll casing shape of the pump housing
Bottom is provided with to place the pump housing seat of bottom surface or connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913481.4U CN207393488U (en) | 2017-07-26 | 2017-07-26 | Large-scale alkali pump pump body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913481.4U CN207393488U (en) | 2017-07-26 | 2017-07-26 | Large-scale alkali pump pump body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207393488U true CN207393488U (en) | 2018-05-22 |
Family
ID=62417803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720913481.4U Expired - Fee Related CN207393488U (en) | 2017-07-26 | 2017-07-26 | Large-scale alkali pump pump body structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207393488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313945A (en) * | 2017-07-26 | 2017-11-03 | 德清县东旭合金钢铸造有限公司 | A kind of large-scale alkali pump pump body structure |
-
2017
- 2017-07-26 CN CN201720913481.4U patent/CN207393488U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313945A (en) * | 2017-07-26 | 2017-11-03 | 德清县东旭合金钢铸造有限公司 | A kind of large-scale alkali pump pump body structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101871449B (en) | Small rotor-type submersible pump | |
| CN203685691U (en) | Total-lift double suction pump | |
| CN207393488U (en) | Large-scale alkali pump pump body structure | |
| CN207004836U (en) | The pump body structure of chemical pump | |
| CN107313946A (en) | A kind of pump body structure of chemical pump | |
| CN203488425U (en) | Centrifugal pump sealing structure and centrifugal pump | |
| CN107313945A (en) | A kind of large-scale alkali pump pump body structure | |
| CN202040090U (en) | Water pump | |
| CN207393566U (en) | The pump body structure of petrochemical pump | |
| CN205744500U (en) | A kind of SWB sand prevention horizontal diving axle mixed-flow pump | |
| CN107355428A (en) | A kind of pump body structure of petrochemical pump | |
| CN205533420U (en) | Silence pump cover for water conservancy | |
| CN202273871U (en) | Magnetic pump of chemical engineering flow | |
| WO2007104186A1 (en) | A suspensory electrical submersible screw pumping system | |
| CN211666943U (en) | Water pump body | |
| CN205779751U (en) | A kind of corrosion-resistant micro electric pump of self-priming | |
| CN215890582U (en) | Horizontal two-stage low-cavitation high-flow centrifugal pump | |
| CN109236667A (en) | Centrifugal multistage pump multiple centrifugal pump with impeller positioning snap ring structure | |
| CN204357754U (en) | Water pump equilibrirm water cavity configuration | |
| CN209892465U (en) | Submersible pump | |
| CN209875541U (en) | Water pump sealing element | |
| CN209261832U (en) | Centrifugal multistage pump multiple centrifugal pump with impeller positioning snap ring structure | |
| CN220726644U (en) | Liquid-pumping high-pressure pump | |
| CN209800238U (en) | Water inlet pipe of water pump | |
| CN207178192U (en) | A kind of quick detachable screw pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20210726 |