CN109399215A - A kind of elastomer is interior to flow room structure constant pressure centrifugal pump - Google Patents
A kind of elastomer is interior to flow room structure constant pressure centrifugal pump Download PDFInfo
- Publication number
- CN109399215A CN109399215A CN201811413152.9A CN201811413152A CN109399215A CN 109399215 A CN109399215 A CN 109399215A CN 201811413152 A CN201811413152 A CN 201811413152A CN 109399215 A CN109399215 A CN 109399215A
- Authority
- CN
- China
- Prior art keywords
- main body
- prismatic blade
- blade
- blades
- cleaning road
- 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.)
- Pending
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 31
- 239000000806 elastomer Substances 0.000 title claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 230000004807 localization Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 11
- 239000004519 grease Substances 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000919 ceramic Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/46—Gates or sluices, e.g. rotary wheels
- B65G53/4608—Turnable elements, e.g. rotary wheels with pockets or passages for material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G29/00—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses room structure constant pressure centrifugal pump is flowed in a kind of elastomer, including main body, primary blades, back blades, rubber bodies, front casing and rear casing, the side of main body is provided with several primary blades, the other side of main body is provided with several back blades, primary blades are formed by connecting by the first prismatic blade and the second prismatic blade, the leading flank of first prismatic blade and the second prismatic blade is inclined side wall surface, and the trailing flank of the first prismatic blade and the second prismatic blade is straight wall face；Projected area of the two neighboring primary blades in main body is by projection localization of the back blades in main body at two parts of area equation；One layer of rubber bodies are evenly arranged on rotary blade lateral wall；Rotary blade is mounted in the conveyor chamber of front casing, and rotation is provided with transmission shaft in rear casing, and axle sleeve is provided in rear casing, and axle sleeve is threaded through on transmission shaft, and cleaning road and lower cleaning road are provided in rear casing；The configuration of the present invention is simple, water conservancy is high-efficient, and discharge pressure is stablized, and can be widely popularized and be applied.
Description
[technical field]
The present invention relates to the technical fields of the pump housing, the technical field of especially interior stream room structure constant pressure centrifugal pump.
[background technique]
In carrying out ceramic powders transmission process, certain discharge pressure is not only needed, but also ceramic powders frictional force is very
Greatly, if conveyed using plunger pump isometric(al) pump, but its steel bushing, serious wear, there are serious defect, centrifugal pump is defeated
There are pressure transients for pressurization pressure, the conveying requirement of ceramic powders are not achieved, metallic impeller abrasion is also extremely serious, in this way
The problem of, it is necessary to it designs and flows back to the constant structural pressure centrifugal pump of rotation in a kind of elastomer and solve the above problems.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, proposes that a kind of elastomer is interior and flow the constant pressure of room structure
Power centrifugal pump can be improved water conservancy efficiency, and automatic impeller cleaning, generation vortex is few, and discharge pressure is constant reliable.
To achieve the above object, the invention proposes stream room structure constant pressure centrifugal pumps in a kind of elastomer, including
Main body, primary blades, back blades, rubber bodies, front casing and rear casing, the side of the main body are provided with several primary blades, main body
The other side be provided with several back blades, the primary blades are formed by connecting by the first prismatic blade and the second prismatic blade, the first straight leaf
At an angle alpha, α angular range is 25 ° -35 ° for piece and the second prismatic blade shape, the length of the first prismatic blade and the second prismatic blade
Length ratio is 0.68-1, and the outer edge of the second prismatic blade is oblique side wall, and main body outer ledge is straight sidewall, the second prismatic blade side
Angle between edge and main body outer ledge is that β is 1.5 ° -2.5 °, and the leading flank of first prismatic blade and the second prismatic blade is
The exterior normal direction of inclined side wall surface, leading flank is identical as the direction of rotation of main body, after the first prismatic blade and the second prismatic blade
Side is straight wall face, and the exterior normal direction of trailing flank is opposite with the direction of rotation of main body；The two neighboring primary blades are in main body
On projected area by projection localization of the back blades in main body at two parts of area equation；The main body, primary blades and pair
Blade forms rotary blade, is evenly arranged with one layer of rubber bodies on rotary blade lateral wall；The rotary blade is outer before being mounted on
In the conveyor chamber of shell, rotation is provided with transmission shaft in the rear casing, transmission shaft one end be arranged in main center's mounting hole and
Transmission shaft and main body Joint are provided with axle sleeve in rear casing, and axle sleeve is threaded through on transmission shaft, and cleaning is provided in rear casing
Road and lower cleaning road are connected between upper cleaning road and lower cleaning road by the circulation chamber on the outside of axle sleeve, upper cleaning road and lower clear
It washes and is connected with conveyor chamber.
Preferably, the primary blades are equal with the quantity of back blades and quantity is 9-12, primary blades are equal with back blades
Center line axis around mounting hole is evenly distributed in main body；The width value of the primary blades bottom end is 4-5mm, primary blades top
Width value be 2-3mm；The rubber bodies with a thickness of 2-3mm.
Preferably, the upper cleaning road is connected with conveyor chamber upper end, lower cleaning road is connected with conveyor chamber lower end；Institute
The angle for stating cleaning road central axis and horizontal direction is 57 °, and the angle of lower cleaning road and horizontal direction is 42 °.
Preferably, be provided with inlet on the right side of the front casing, front casing upper end is provided with liquid outlet, inlet with go out
Liquid mouth is connected with conveyor chamber.
Preferably, being installed with lubricating grease in the axle sleeve.
Beneficial effects of the present invention: the present invention by by the first prismatic blade and the second prismatic blade shape at an angle alpha, the angle α
Spending range is 25 ° -35 °, and the length ratio of the length of the first prismatic blade and the second prismatic blade is 0.68-1, can effectively improve water
Sharp efficiency；Angle between second prismatic blade edge and main body outer ledge is that β is 1.5 ° -2.5 °, it is possible to reduce transmission process
The vortex of middle generation；The leading flank of first prismatic blade and the second prismatic blade is inclined side wall surface, the first prismatic blade and the second straight leaf
The trailing flank of piece is straight wall face, projection localization of projected area of the two neighboring primary blades in main body by back blades in main body
At two parts of area equation, the discharge pressure that pump can be effectively ensured is constant；Cleaning is provided in the rear casing of centrifugal pump
The port in road and lower cleaning road, upper cleaning road and lower cleaning road is in the position of conveyor chamber difference and the two and horizontal direction angle
Difference can be very good the liquid inside conveyor chamber time and guide at the back blades on rear side of rotary blade, realizes the cleaning of back blades
With maintenance primary blades and back blades pressure balance；The configuration of the present invention is simple, water conservancy is high-efficient, and discharge pressure is stablized, good to meet
The conveying requirement of ceramic powders etc., can be widely popularized and be applied.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is the whole diagrammatic cross-section of stream room structure constant pressure centrifugal pump in a kind of elastomer of the present invention；
Fig. 2 is the rotary blade main view of stream room structure constant pressure centrifugal pump in a kind of elastomer of the present invention；
Fig. 3 is the rotary blade main view section signal of stream room structure constant pressure centrifugal pump in a kind of elastomer of the present invention
Figure；
Fig. 4 is the rotary blade main view section part of stream room structure constant pressure centrifugal pump in a kind of elastomer of the present invention
A enlarged diagram；
Fig. 5 is the rotary blade main view section part of stream room structure constant pressure centrifugal pump in a kind of elastomer of the present invention
B enlarged diagram；
Fig. 6 is the rotary blade stereochemical structure signal of stream room structure constant pressure centrifugal pump in a kind of elastomer of the present invention
Figure.
In figure: 1- main body, 2- primary blades, 3- outer edge, 4- back blades, 5- mounting hole, 6- leading flank, the trailing flank 7-, 8-
First prismatic blade, the second prismatic blade of 9-, 10- rubber bodies, 11- rotary blade, 12- front casing, 13- inlet, 14- liquid outlet,
15- conveyor chamber, 17- transmission shaft, 18- axle sleeve, 19- circulation chamber, is cleaned under road, 21- on 20- and is cleaned 16- rear casing.
[specific embodiment]
- Fig. 6 refering to fig. 1, a kind of elastomer of the present invention is interior to flow room structure constant pressure centrifugal pump, including main body 1, main lobe
Piece 2, back blades 4, rubber bodies 10, front casing 12 and rear casing 16, the side of the main body 1 are provided with several primary blades 2, main body
1 other side is provided with several back blades 4, and the primary blades 2 are formed by connecting by the first prismatic blade 8 and the second prismatic blade 9, and first
At an angle alpha, α angular range is 25 ° -35 °, the length and second of the first prismatic blade 8 for prismatic blade 8 and 9 shape of the second prismatic blade
The length ratio of prismatic blade 9 is 0.68-1, and the outer edge 3 of the second prismatic blade 9 is oblique side wall, and 1 outer ledge of main body is straight sidewall,
It is 1.5 ° -2.5 ° that angle between 1 outer ledge of second prismatic blade, 9 edge and main body, which is β, first prismatic blade 8 and second
The leading flank 6 of prismatic blade 9 is inclined side wall surface, and the exterior normal direction of leading flank 6 is identical as the direction of rotation of main body 1, and first is straight
The trailing flank 7 of blade 8 and the second prismatic blade 9 is straight wall face, and the exterior normal direction of trailing flank 7 is opposite with the direction of rotation of main body 1；
The projected area of the two neighboring primary blades 2 on the body 1 is by the projection localization on the body 1 of back blades 4 at area equation
Two parts；The main body 1, primary blades 2 and back blades 4 form rotary blade 11, are uniformly arranged on 11 lateral wall of rotary blade
There are one layer of rubber bodies 10；The rotary blade 11 is mounted in the conveyor chamber 15 of front casing 12, and rotation is set in the rear casing 16
It is equipped with transmission shaft 17,17 one end of transmission shaft is arranged in 1 center mounting hole 5 of main body and transmission shaft 17 and 1 Joint of main body, rear outer
Axle sleeve 18 is provided in shell 16, axle sleeve 18 is threaded through on transmission shaft 17, and cleaning road 20 and lower cleaning are provided in rear casing 16
Road 21 is connected between upper cleaning road 20 and lower cleaning road 21 by the circulation chamber 19 in 18 outside of axle sleeve, and upper cleaning road 20 is under
Cleaning road 21 is connected with conveyor chamber 15；The primary blades 2 are equal with the quantity of back blades and quantity is 9-12, primary blades
2 are uniformly distributed on the body 1 with center line axis of the back blades around mounting hole 5；The width value of 2 bottom end of primary blades is 4-
5mm, the width value on 2 top of primary blades are 2-3mm；The rubber bodies 10 with a thickness of 2-3mm；The upper cleaning road 20 and conveying
15 upper end of chamber is connected, and lower cleaning road 21 is connected with 15 lower end of conveyor chamber；Upper 20 central axis of cleaning road and level side
To angle be 57 °, lower cleaning road 21 and the angle of horizontal direction are 42 °；It is provided with inlet 13 on the right side of the front casing 12,
12 upper end of front casing is provided with liquid outlet 14, and inlet 13 is connected with conveyor chamber 15 with liquid outlet 14；In the axle sleeve 18
It is installed with lubricating grease.
The course of work of the present invention:
During the work time, rotary blade 11 is pacified for stream room structure constant pressure centrifugal pump in a kind of elastomer of the present invention
It is attached in conveyor chamber 15, transmission shaft 17 is threaded through in rear casing 16, provides branch to transmission shaft 17 by internal several rolling bearings
It supports, axle sleeve 18 is equipped on transmission shaft 17, contains inside axle sleeve and is equipped with lubricating grease, transmission shaft 17 is lubricated, transmission shaft 17 1
End is fixed in the mounting hole of rotary blade 11 by nut, and rear casing 16 and front casing 12 are fixed in one by screw
It rises, 17 one end of transmission shaft is driven by rotary electric machine etc., and rotary blade 11 is rotated, and the pipeline such as ceramic powders passes through
Inlet 13 enters conveyor chamber 15, under the turning effort of rotary blade 11, is rejected to the ground for needing to export by liquid outlet 14
Just, in the process, the pressure difference of the ceramic powders top and the bottom inside conveyor chamber 15 and upper cleaning road 20 and lower cleaning road
21 with the difference of horizontal direction angle so that the partially liq in conveyor chamber 15 enters the chamber 19 that circulates by upper cleaning road 20, so
Enter lower cleaning road 21 from circulation chamber 19 again afterwards, final liquid is rejected on the back blades 4 of 11 rear side of rotary blade, realizes accessory lobes
The automatic cleaning of piece 4, while guaranteeing the primary blades 2 of rotary blade 11 and the pressure balance of back blades 4,9 edge of the second prismatic blade
Angle between 1 outer ledge of main body is β, it is possible to reduce the vortex generated in transmission process, the first prismatic blade 8 and second are straight
9 shape of blade at an angle alpha, improves water conservancy efficiency, to preferably realize the conveying of ceramic powders etc..
The present invention by the way that by the first prismatic blade 8 and second 9 shapes of straight leaf, at an angle alpha, α angular range is 25 ° -35 °,
The length ratio of the length of first prismatic blade 8 and the second prismatic blade 9 is 0.68-1, can effectively improve water conservancy efficiency；Second is straight
It is 1.5 ° -2.5 ° that angle between 1 outer ledge of 9 edge of blade and main body, which is β, it is possible to reduce the rotation generated in transmission process
Whirlpool；The leading flank 6 of first prismatic blade 8 and the second prismatic blade 9 is inclined side wall surface, after the first prismatic blade 8 and the second prismatic blade 9
Side 7 is straight wall face, projection localization of the projected area by back blades 4 on the body 1 of two neighboring primary blades 2 on the body 1
At two parts of area equation, the discharge pressure that pump can be effectively ensured is constant；Supernatant is provided in the rear casing 16 of centrifugal pump
Wash 20 and lower cleaning road 21, the port in upper cleaning road 20 and lower cleaning road 21 the position of conveyor chamber 15 is different and the two with
Horizontal direction angle is different, can be very good to return the liquid inside conveyor chamber 15 into the back blades 4 for guiding to 11 rear side of rotary blade
Place realizes the cleaning of back blades 4 and maintains primary blades 2 and 4 pressure balance of back blades；The configuration of the present invention is simple, water conservancy is high-efficient,
Discharge pressure is stablized, and well meets the conveying requirement of ceramic powders etc., can be widely popularized and be applied.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (5)
1. flowing room structure constant pressure centrifugal pump in a kind of elastomer, it is characterised in that: including main body (1), primary blades (2),
The side of back blades (4), rubber bodies (10), front casing (12) and rear casing (16), the main body (1) is provided with several primary blades
(2), the other side of main body (1) is provided with several back blades (4), and the primary blades (2) are by the first prismatic blade (8) and the second straight leaf
Piece (9) is formed by connecting, and at an angle alpha, α angular range is 25 ° -35 ° for the first prismatic blade (8) and the second prismatic blade (9) shape, the
The length of one prismatic blade (8) and the length ratio of the second prismatic blade (9) are 0.68-1, and the outer edge (3) of the second prismatic blade (9) is
Oblique side wall, main body (1) outer ledge are straight sidewall, and the angle between the second prismatic blade (9) edge and main body (1) outer ledge is
β is 1.5 ° -2.5 °, and the leading flank (6) of first prismatic blade (8) and the second prismatic blade (9) is inclined side wall surface, leading flank
(6) exterior normal direction is identical as the direction of rotation of main body (1), the trailing flank of the first prismatic blade (8) and the second prismatic blade (9)
It (7) is straight wall face, the exterior normal direction of trailing flank (7) is opposite with the direction of rotation of main body (1)；The two neighboring primary blades
(2) in the projected area on main body (1) by projection localization of the back blades (4) on main body (1) at two parts of area equation；Institute
It states main body (1), primary blades (2) and back blades (4) and forms rotary blade (11), be evenly arranged on rotary blade (11) lateral wall
One layer of rubber bodies (10)；The rotary blade (11) is mounted in the conveyor chamber (15) of front casing (12), the rear casing (16)
Interior rotation is provided with transmission shaft (17), and transmission shaft (17) one end is arranged in main body (1) center mounting hole (5) and transmission shaft (17)
With main body (1) Joint, rear casing (16) is interior to be provided with axle sleeve (18), and axle sleeve (18) is threaded through on transmission shaft (17), rear casing
(16) it is provided with cleaning road (20) and lower cleaning road (21) in, passes through axle sleeve between upper cleaning road (20) and lower cleaning road (21)
(18) the circulation chamber (19) on the outside of is connected, and upper cleaning road (20) and lower cleaning road (21) are connected with conveyor chamber (15).
2. flowing room structure constant pressure centrifugal pump in a kind of elastomer as described in claim 1, it is characterised in that: the master
Blade (2) is equal with the quantity of back blades and quantity is 9-12, and primary blades (2) and back blades are in mounting hole (5)
Bobbin thread is evenly distributed on main body (1)；The width value of primary blades (2) bottom end is 4-5mm, the width on primary blades (2) top
Angle value is 2-3mm；The rubber bodies (10) with a thickness of 2-3mm.
3. flowing room structure constant pressure centrifugal pump in a kind of elastomer as described in claim 1, it is characterised in that: on described
Cleaning road (20) is connected with conveyor chamber (15) upper end, and lower cleaning road (21) is connected with conveyor chamber (15) lower end；The supernatant
The angle for washing (20) central axis and horizontal direction is 57 °, and the angle of lower cleaning road (21) and horizontal direction is 42 °.
4. flowing room structure constant pressure centrifugal pump in a kind of elastomer as described in claim 1, it is characterised in that: before described
It is provided with inlet (13) on the right side of shell (12), front casing (12) upper end is provided with liquid outlet (14), inlet (13) and liquid out
Mouth (14) is connected with conveyor chamber (15).
5. flowing room structure constant pressure centrifugal pump in a kind of elastomer as described in claim 1, it is characterised in that: the axis
Lubricating grease is installed in set (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413152.9A CN109399215A (en) | 2018-11-23 | 2018-11-23 | A kind of elastomer is interior to flow room structure constant pressure centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413152.9A CN109399215A (en) | 2018-11-23 | 2018-11-23 | A kind of elastomer is interior to flow room structure constant pressure centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109399215A true CN109399215A (en) | 2019-03-01 |
Family
ID=65455478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811413152.9A Pending CN109399215A (en) | 2018-11-23 | 2018-11-23 | A kind of elastomer is interior to flow room structure constant pressure centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109399215A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517120A (en) * | 2020-04-30 | 2020-08-11 | 中国科学技术大学 | Accelerating pump for transporting thermonuclear fusion solid spherical bed particles |
| CN114076119A (en) * | 2021-07-31 | 2022-02-22 | 高涛 | Centrifugal pump impeller |
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| CN107143520A (en) * | 2017-07-13 | 2017-09-08 | 新兴际华科技装备有限公司 | A kind of voltage stabilizing centrifugal pump |
| CN209291531U (en) * | 2018-11-23 | 2019-08-23 | 艾迪机器(杭州)有限公司 | A kind of elastomer is interior to flow room structure constant pressure centrifugal pump |
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| JPH09310697A (en) * | 1996-05-20 | 1997-12-02 | Ogihara Seisakusho:Kk | Centrifugal pump |
| CN2584889Y (en) * | 2002-10-25 | 2003-11-05 | 北京建大流体技术研究院 | Whirlwind centrifugal constant-pressure spray fire pumps |
| CN101294580A (en) * | 2007-04-26 | 2008-10-29 | 李世煌 | Spiral flow constant-pressure pump |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517120A (en) * | 2020-04-30 | 2020-08-11 | 中国科学技术大学 | Accelerating pump for transporting thermonuclear fusion solid spherical bed particles |
| CN111517120B (en) * | 2020-04-30 | 2021-12-14 | 中国科学技术大学 | Accelerating pump for transporting thermonuclear fusion solid spherical bed particles |
| CN114076119A (en) * | 2021-07-31 | 2022-02-22 | 高涛 | Centrifugal pump impeller |
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