CN207920981U - A kind of lower water jacket of helico-centrifugal pump - Google Patents
A kind of lower water jacket of helico-centrifugal pump Download PDFInfo
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- CN207920981U CN207920981U CN201721923483.8U CN201721923483U CN207920981U CN 207920981 U CN207920981 U CN 207920981U CN 201721923483 U CN201721923483 U CN 201721923483U CN 207920981 U CN207920981 U CN 207920981U
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- entering section
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- water entering
- lower water
- baffle plate
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Abstract
The utility model proposes a kind of lower water jacket of helico-centrifugal pump, including water inlet pipe, water inlet pipe includes upper water entering section and lower water entering section, two level pollutant baffle plate and blow-off pipe are equipped between upper water entering section and lower water entering section, level-one pollutant baffle plate is set on lower water entering section, boosting pipe is equipped with stabilier, the utility model is simple in structure, reasonable design, it is connected with helico-centrifugal pump by connecting flange, when spiral centrifugal pump work, internal pressure is promoted by boosting pipe, external material enters from lower water entering section, it is filtered first by level-one pollutant baffle plate, the large-scale sundries filtered out slides along level-one blocked sewage plate surface, then filtered by two level pollutant baffle plate, the middle-size and small-size sundries filtered out slides along two level blocked sewage plate surface；Work normally room, the stabilier of boosting pipe, can regular flow direction of material, ensure that the flowing of material is stablized, reduce spiral centrifugal pump vibration, and reduce noise.
Description
Technical field
The utility model is related to a kind of spiral centrifugal pump group part, more particularly to the lower water jacket of a kind of helico-centrifugal pump.
Background technology
Helico-centrifugal pump is by its special three-dimensional spiral blade, and volume reasoning effect and blade centrifugation by spiral are made
With combination, medium is made to obtain energy.So it has the characteristic of positive displacement pump and vane pump concurrently, it is the production that the two be combined with each other
Object.
The helico-centrifugal pump now used, when carrying out operation (material conveying, blowdown etc.), being lacked by water inlet must
The protection and filtering wanted cause large-scale sundries (such as material caking, blowdown branch) to be directly entered in helico-centrifugal pump, although
The component (such as impeller) of helico-centrifugal pump is other kinds of centrifugal pump and wants, more stable, but still to causing to damage, and shakes
Dynamic and noise is very big, and when serious, the component for even resulting in helico-centrifugal pump is scrapped.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of lower water jackets of helico-centrifugal pump.
Specific technical solution is as follows：
A kind of helico-centrifugal pump lower water jacket, including water inlet pipe, which is characterized in that the water inlet pipe includes upper water entering section
With lower water entering section, the upper water entering section and lower water entering section are cylinder, cylindrical a diameter of R1 that upper water entering section is in, under
The cylindrical a diameter of R2, the R2 ＞ R1 that water entering section is in；
Two level pollutant baffle plate and blow-off pipe are equipped between the upper water entering section and lower water entering section, the upper end of upper water entering section, which is fixed, to be connected
It is connected to boosting pipe, the lower end of lower water entering section is fixedly connected with level-one pollutant baffle plate, and the quantity of the blow-off pipe is multiple, multiple blowdowns
Pipe is distributed in circumferential between water entering section and lower water entering section；
The level-one pollutant baffle plate is fixedly welded on the lower end of lower water entering section in cone, the circle that level-one pollutant baffle plate is in
The corner angle of taper is α, and the α is 95 °~100 °, and level-one pollutant baffle plate is equipped with multiple level-one through-holes, the level-one through-hole
Square, the length of side for the square for being in is D1；
The two level pollutant baffle plate and is fixedly welded on the lower end of water entering section in cone, be located at upper water entering section and under into
Between water portion, the overlapping edges of two level pollutant baffle plate are at blow-off pipe, and the corner angle for the cone for being in is β, and the β is
110 °~120 °, two level pollutant baffle plate is equipped with multiple secondary through holes, and the secondary through holes are square, the square for being in
The length of side is D2；
The length of side D1 for the square that the level-one through-hole is in is more than the length of side D2 for the square that secondary through holes are in, described
Boosting pipe present the large and small opening of opening it is small in lead to truncated cone-shaped, be connected to water inlet pipe, the inside of boosting pipe is equipped with multiple current stabilizations
Plate, the stabilier are arranged in a ring, parallel to each other between multiple stabiliers；
Further, the boosting pipe upper end is equipped with connecting flange；
Further, the length of side D1≤8cm for the square that the level-one through-hole is in, and >=4cm；
Further, it is γ, institute that the inner wall of truncated cone-shaped and vertical direction institute angle degree are led to during the boosting pipe is in
It is 20 °~30 ° to state γ；
Further, the stabilier and boosting inside pipe wall institute's angle degree are δ, and the δ is 60 °.
The beneficial effects of the utility model are：
The utility model proposes a kind of helico-centrifugal pump lower water jacket, including water inlet pipe, water inlet pipe includes upper water inlet
Portion and lower water entering section are equipped with two level pollutant baffle plate and blow-off pipe between upper water entering section and lower water entering section, level-one gear is set on lower water entering section
Dirty plate, boosting pipe are equipped with stabilier, and the utility model is simple in structure, and reasonable design passes through connecting flange and helico-centrifugal pump
It is connected, when spiral centrifugal pump work, internal pressure is promoted by boosting pipe, external material enters from lower water entering section, passes through one first
Grade pollutant baffle plate filtering, the large-scale sundries filtered out slide along level-one blocked sewage plate surface, are then filtered by two level pollutant baffle plate, filtered
The middle-size and small-size sundries fallen slides along two level blocked sewage plate surface；Work normally room, the stabilier of boosting pipe, can regular flow direction of material,
Ensure that the flowing of material is stablized, reduces spiral centrifugal pump vibration, and reduce noise.
Description of the drawings
Fig. 1 the utility model sectional views.
Specific implementation mode
It is clear to make the technical solution of the utility model be more clear, below in conjunction with the accompanying drawings to the utility model into advancing one
Step description, any technical characteristic to technical solutions of the utility model carry out the scheme that equivalencing is obtained with conventional reasoning and fall
Enter scope of protection of the utility model.
A kind of lower water jacket of helico-centrifugal pump, including water inlet pipe 1, which is characterized in that the water inlet pipe 1 includes upper water inlet
Portion 2 and lower water entering section 3, the upper water entering section 2 and lower water entering section 3 are cylinder, the cylindrical diameter that upper water entering section 2 is in
The cylindrical a diameter of R2, the R2 ＞ R1 for being in for R1, lower water entering section 3；
Two level pollutant baffle plate 4 and blow-off pipe 5, the upper end of upper water entering section 2 are equipped between the upper water entering section 2 and lower water entering section 3
It is fixedly connected with boosting pipe 6, the lower end of lower water entering section 3 is fixedly connected with level-one pollutant baffle plate 7, and the quantity of the blow-off pipe 5 is more
A, multiple blow-off pipes 5 are distributed in circumferential between water entering section 2 and lower water entering section 3；
The level-one pollutant baffle plate 7 is fixedly welded on the lower end of lower water entering section 3 in cone, and level-one pollutant baffle plate 7 is in
The corner angle of cone is α, and the α is 95 °~100 °, and level-one pollutant baffle plate 7 is equipped with multiple level-one through-holes 8, the level-one
Through-hole 8 is square, and the length of side for the square for being in is D1；
The two level pollutant baffle plate 4 is fixedly welded on the lower end of water entering section 2 in cone, is located at upper water entering section 2 under
Between water entering section 3, for the overlapping edges of two level pollutant baffle plate 4 at blow-off pipe 5, the corner angle for the cone for being in is β, described
β is 110 °~120 °, and two level pollutant baffle plate 4 is equipped with multiple secondary through holes 9, and the secondary through holes 9 are square, are in just
The rectangular length of side is D2；
The length of side D1 for the square that the level-one through-hole 8 is in is more than the length of side D2 for the square that secondary through holes 9 are in, institute
State boosting pipe 6 present the large and small opening of opening it is small in lead to truncated cone-shaped, be connected to water inlet pipe 1, the inside of boosting pipe 6 is equipped with more
A stabilier 10, the stabilier 10 are arranged in a ring, parallel to each other between multiple stabiliers 10；
Further, 6 upper end of the boosting pipe is equipped with connecting flange 11；
Further, the length of side D1≤8cm for the square that the level-one through-hole 8 is in, and >=4cm；
Further, it is γ, institute that the inner wall of truncated cone-shaped and vertical direction institute angle degree are led to during the boosting pipe 6 is in
It is 20 °~30 ° to state γ；
Further, the stabilier 10 and 6 inner wall institute angle degree of boosting pipe are δ, and the δ is 60 °；.
Utility model works principle is as follows：
The utility model is connected by connecting flange with helico-centrifugal pump, when spiral centrifugal pump work, passes through boosting pipe
Internal pressure is promoted, external material enters from lower water entering section, filtered first by level-one pollutant baffle plate, and the large-scale sundries filtered out is along level-one
Blocked sewage plate surface slides, and is then filtered by two level pollutant baffle plate, and the middle-size and small-size sundries filtered out slides along two level blocked sewage plate surface；
Work normally room, the stabilier of boosting pipe, can regular flow direction of material, ensure material flowing stablize, reduce helico-centrifugal pump shake
It is dynamic, and reduce noise.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should all cover within the protection scope of the present utility model.Therefore, the scope of protection of the utility model should be with
Subject to the protection domain of claims.
Claims (5)
1. a kind of helico-centrifugal pump lower water jacket, including water inlet pipe, which is characterized in that the water inlet pipe include upper water entering section and
Lower water entering section, the upper water entering section and lower water entering section are cylinder, cylindrical a diameter of R1 that upper water entering section is in, under into
The cylindrical a diameter of R2, the R2 ＞ R1 that water portion is in；
Two level pollutant baffle plate and blow-off pipe are equipped between the upper water entering section and lower water entering section, the upper end of upper water entering section is fixedly connected with
The lower end of boosting pipe, lower water entering section is fixedly connected with level-one pollutant baffle plate, and the quantity of the blow-off pipe is multiple, and multiple blow-off pipes are in
Circumferentially it is distributed between water entering section and lower water entering section；
The level-one pollutant baffle plate is fixedly welded on the lower end of lower water entering section in cone, the cone that level-one pollutant baffle plate is in
Corner angle be α, the α is 95 °~100 °, and level-one pollutant baffle plate is equipped with multiple level-one through-holes, and the level-one through-hole is in just
Rectangular, the length of side for the square for being in is D1；
The two level pollutant baffle plate is fixedly welded on the lower end of water entering section in cone, is located at upper water entering section and lower water entering section
Between, the overlapping edges of two level pollutant baffle plate at blow-off pipe, be in cone corner angle be β, the β be 110 °~
120 °, two level pollutant baffle plate is equipped with multiple secondary through holes, and the secondary through holes are square, and the length of side for the square for being in is
D2；
The length of side D1 for the square that the level-one through-hole is in is more than the length of side D2 for the square that secondary through holes are in, the boosting
Pipe present the large and small opening of opening it is small in lead to truncated cone-shaped, be connected to water inlet pipe, the inside of boosting pipe equipped with multiple stabiliers,
The stabilier is arranged in a ring, parallel to each other between multiple stabiliers.
2. a kind of lower water jacket of helico-centrifugal pump as described in claim 1, which is characterized in that the boosting pipe upper end is equipped with
Connecting flange.
3. the lower water jacket of a kind of helico-centrifugal pump as described in claim 1, which is characterized in that the level-one through-hole is in
Length of side D1≤8cm of square, and >=4cm.
4. a kind of lower water jacket of helico-centrifugal pump as described in claim 1, which is characterized in that during the boosting pipe is in
The inner wall of logical truncated cone-shaped is γ with vertical direction institute angle degree, and the γ is 20 °~30 °.
5. a kind of lower water jacket of helico-centrifugal pump as described in claim 1, which is characterized in that the stabilier and boosting pipe
Inner wall institute angle degree is δ, and the δ is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923483.8U CN207920981U (en) | 2017-12-29 | 2017-12-29 | A kind of lower water jacket of helico-centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923483.8U CN207920981U (en) | 2017-12-29 | 2017-12-29 | A kind of lower water jacket of helico-centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207920981U true CN207920981U (en) | 2018-09-28 |
Family
ID=63615963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721923483.8U Active CN207920981U (en) | 2017-12-29 | 2017-12-29 | A kind of lower water jacket of helico-centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207920981U (en) |
-
2017
- 2017-12-29 CN CN201721923483.8U patent/CN207920981U/en active Active
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