CN206111573U - Take pump sending cutting device's centrifugal slurry pump - Google Patents
Take pump sending cutting device's centrifugal slurry pump Download PDFInfo
- Publication number
- CN206111573U CN206111573U CN201621086945.0U CN201621086945U CN206111573U CN 206111573 U CN206111573 U CN 206111573U CN 201621086945 U CN201621086945 U CN 201621086945U CN 206111573 U CN206111573 U CN 206111573U
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- China
- Prior art keywords
- pump
- centrifugal
- transmission shaft
- suction chamber
- power transmission
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Abstract
The utility model provides a take pump sending cutting device's centrifugal slurry pump, include the transmission shaft and install in the epaxial centrifugal pump impeller of transmission that centrifugal slurry pump's water sucking mouth position is equipped with front pump cover, the last water inlet that is equipped with of front pump cover, the front pump cover outer end is equipped with suction chamber, in the transmission shaft passed centrifugal pump impeller and water inlet and stretches into suction chamber, spinning blade was installed to the one end that lies in suction chamber on the transmission shaft, installed quiet tool bit with spinning blade corresponding position on the suction chamber inner wall, and spinning blade and quiet tool bit are worked in coordination and is formed effect of cutting, the utility model discloses effectively solved containing the problem that the centrifugal slurry pump runner blockked up under the extremely inhomogeneous operational environment of the too big or flexible impurity of impurity volume, guaranteed centrifugal slurry pump's trouble -free normal operating.
Description
Technical field
The utility model is related to fluid machines field, in particular to a kind of centrifugal type slag-slurry with pumping cutter sweep
Pump.
Background technology
The title of Pulp pump is the angle from pumped (conveying) medium come a kind of centrifugal pump for dividing.Pulp pump is primarily adapted for use in ore deposit
The industry fields such as mountain, power plant, dredging, metallurgy, chemical industry, building materials and oil, being can not in current ore dressing, each technological process of coal preparation plant
One of equipment for lacking.Pulp pump works under liquid, and be used for pumping conveying is mixed with water containing solid particle dreggy
Compound.Pulp pump generally has blocking-free performance good, and compact conformation, floor space are little, can be directly mounted in pond, but
When impurity volume is excessive or flexible impurity is more, Pulp pump is also susceptible to clogging, when slurry pump impeller occurs runner
During blocking, impeller occurs a series of phenomenons such as bias, vibration, has had a strong impact on the normal operation of equipment.
The content of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, there is provided a kind of centrifugal type slag-slurry with pumping cutter sweep
Pump, is improved by the structure to centrifugal type slurry pump, effectively solving containing impurity volume is excessive or flexible impurity pole not
The problem of centrifugal type slurry pump runner blocking under uniform working environment, it is ensured that the failure free operation of centrifugal type slurry pump.
To solve above-mentioned technical problem, the technical scheme for being adopted is the utility model：It is a kind of with pumping cutter sweep
Centrifugal type slurry pump, including power transmission shaft and the centrifugal pump impeller being installed on power transmission shaft, the water sucking mouth of the centrifugal type slurry pump
Position is provided with front pump cover, and the front pump cover is provided with water inlet, and the front pump cover outer end is provided with suction chamber；
The power transmission shaft passes through centrifugal pump impeller and water inlet and extend into water suction interior, and water suction is located on the power transmission shaft
One end of room is provided with rotating blade, and the position corresponding with rotating blade is provided with quiet cutter head, institute in the water suction chamber interior walls
State rotating blade and quiet cutter head works in coordination to form cutting effect.
Further, the suction chamber is made up of successively planar section, curvature portion and cylindrical surface portion；The planar portions
Divide parallel to each other with front pump cover, the planar section is fixedly installed on pump case, and fixation is formed to front pump cover, the planar portions
The bore for dividing is identical with the water inlet bore of front pump cover；The bore of the curvature portion along near planar section direction gradually
Reduce, the inwall of the cylindrical surface portion is provided with quiet cutter head.
Further, axle sleeve, described axle sleeve one end end and centrifugal pump impeller are also installed with the power transmission shaft
Centrifugal pump impeller and rotating blade are axially positioned on transmission by end contact, other end fixed installation rotating blade, the axle sleeve
On axle.
Further, the rotating blade includes two mutually in the axial-flow type blade at 180 ° of angles, and the quiet cutter head is by more
The uniform boss composition of individual circular array.
Further, the distance of the axial-flow type blade outer end to power transmission shaft axle center is suction chamber maximum caliber
0.7-0.8 times, there is the gap of 3-8mm with axial-flow type blade outer end in the boss.
Further, the axial-flow type blade is arranged on power transmission shaft by cutterhead.
The beneficial effects of the utility model：The utility model is improved by the structure to centrifugal type slurry pump, is changed
The makeup of the imports of pump simultaneously is mounted with to pump cutter sweep before pump inlet, and effectively the impurity larger to volume and flexible material enter
Row cutting, improves the problem of centrifugal type slurry pump runner blocking, it is ensured that the normal operation of centrifugal type slurry pump.
Description of the drawings
Fig. 1 is a kind of structural representation of the centrifugal type slurry pump with pumping cutter sweep；
Fig. 2 is the composition structural representation of rotating blade and quiet cutter head in Fig. 1；
Fig. 3 is another kind of composition structural representation of rotating blade and quiet cutter head in Fig. 1；
In figure, power transmission shaft 1, centrifugal pump impeller 2, front pump cover 3, water inlet 4, suction chamber 5, planar section 5.1, curvature portion
5.2 and cylindrical surface portion 5.3, rotating blade 6, axial-flow type blade 6.1, quiet cutter head 7, boss 7.1, pump case 8, axle sleeve 9.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail with specific embodiment.
As shown in figure 1, a kind of centrifugal type slurry pump with pumping cutter sweep, including power transmission shaft 1 and it is installed on power transmission shaft 1
On centrifugal pump impeller 2, the water sucking mouth position of the centrifugal type slurry pump is provided with front pump cover 3, and the front pump cover 3 is provided with into water
Mouth 4, the outer end of the front pump cover 3 is provided with suction chamber 5；The blade exit width of centrifugal pump impeller 2 is Ordinary Centrifugal Pumps in the present embodiment
（Design parameter " flow Q and lift H " identical centrifugal pump）1.5 times of impeller blade exit width.
The power transmission shaft 1 passes through centrifugal pump impeller 2 and water inlet 4 and extend in suction chamber 5, and the power transmission shaft 1 is upper
Rotating blade 6 is installed in one end of suction chamber 5, the position corresponding with rotating blade 6 is provided with the inwall of the suction chamber 5
Quiet cutter head 7, the rotating blade 6 and quiet cutter head 7 work in coordination to form cutting effect.This rotating blade 6 and quiet cutter head 7 are mutual
The mode of cooperation can significantly strengthen cutting effect.
The suction chamber 5 is made up of successively planar section 5.1, curvature portion 5.2 and cylindrical surface portion 5.3；The plane
Part 5.1 is parallel to each other with front pump cover 3, and the planar section 5.1 is fixedly installed on pump case 8, and forms solid to front pump cover 3
Fixed, the bore of the planar section 5.1 is identical with the bore of water inlet 4 of front pump cover 3；The bore of the curvature portion 5.2 along
Direction near planar section 5.1 is gradually reduced, and the inwall of the cylindrical surface portion 5.3 is provided with quiet cutter head 7.In the present embodiment
In, planar section 5.1 can be bolted and be installed on pump case 8, can so realize the maintenance that is easy for installation and removal, together
When this mode directly front pump cover 3 can also be clamped on pump case 8, this design and installation mode is simple, reliable.
Axle sleeve 9 is also installed with the power transmission shaft 1, one end end of the axle sleeve 9 connects with the end face of centrifugal pump impeller 2
Touch, centrifugal pump impeller 2 and rotating blade 6 are axially positioned on power transmission shaft 1 by other end fixed installation rotating blade 6, the axle sleeve 9
On.In the present embodiment, in the end of power transmission shaft 1 rotating blade 6 and axle sleeve 9 can be fixedly mounted by bolt, this installation
Mode is simple, reliable, and detachably, easy disassembly and maintenance.
As shown in Fig. 2 the rotating blade 6 includes two mutually in the axial-flow type blade 6.1 at 180 ° of angles, the quiet cutter head
7 are made up of the uniform boss 7.1 of multiple circular arrays.Effect of intaking to suction chamber 5 can be reduced using axial-flow type blade 6.1
Impact, while it is provided with sharp blade, cutting effect is good.
The distance of the outer end of axial-flow type blade 6.1 to the axle center of power transmission shaft 1 is the 0.7-0.8 of the maximum caliber of suction chamber 5
Times, there is the gap of 3-8mm with the outer end of axial-flow type blade 6.1 in the boss 7.1.This size design neither affects suction chamber
The inflow of 5 water, can guarantee that good cutting effect again.
In addition, as shown in figure 3, the axial-flow type blade 6.1 of the present embodiment can also be arranged on power transmission shaft 1 by cutterhead 6.2
On.
The present embodiment is improved by the structure to centrifugal type slurry pump, changes the makeup of the imports of pump and before pump inlet
It is mounted with to pump cutter sweep, effectively the impurity larger to volume and flexible material cut, and improve centrifugal type slag-slurry
The problem of pump runner blocking, it is ensured that the normal operation of centrifugal type slurry pump, while the installation side of rotating blade 6 and suction chamber 5
Formula is simple, reliable, detachable, and dismounting maintenance is very convenient.
Claims (6)
1. a kind of centrifugal type slurry pump with pumping cutter sweep, including power transmission shaft（1）Be installed on power transmission shaft（1）On centrifugation
Impeller of pump（2）, the water sucking mouth position of the centrifugal type slurry pump is provided with front pump cover（3）, the front pump cover（3）It is provided with water inlet
（4）, the front pump cover（3）Outer end is provided with suction chamber（5）, it is characterised in that：
The power transmission shaft（1）Through centrifugal pump impeller（2）And water inlet（4）And it extend into suction chamber（5）It is interior, the power transmission shaft
（1）It is upper to be located at suction chamber（5）One end rotating blade is installed（6）, the suction chamber（5）With rotating blade on inwall（6）Phase
Corresponding position is provided with quiet cutter head（7）, the rotating blade（6）With quiet cutter head（7）Work in coordination to form cutting effect.
2. it is according to claim 1 with pumping cutter sweep centrifugal type slurry pump, it is characterised in that：The suction chamber
（5）Successively by planar section（5.1）, curvature portion（5.2）And cylindrical surface portion（5.3）Composition；The planar section（5.1）With
Front pump cover（3）It is parallel to each other, the planar section（5.1）It is fixedly installed in pump case（8）On, and to front pump cover（3）Formed and fixed,
The planar section（5.1）Bore and front pump cover（3）Water inlet（4）Bore is identical；The curvature portion（5.2）Bore
Along near planar section（5.1）Direction be gradually reduced, the cylindrical surface portion（5.3）Inwall be provided with quiet cutter head（7）.
3. it is according to claim 1 with pumping cutter sweep centrifugal type slurry pump, it is characterised in that：The power transmission shaft
（1）On be also installed with axle sleeve（9）, the axle sleeve（9）One end end and centrifugal pump impeller（2）End contact, the other end
Fixed installation rotating blade（6）, the axle sleeve（9）By centrifugal pump impeller（2）And rotating blade（6）It is axially positioned on power transmission shaft
（1）On.
4. it is according to claim 1 with pumping cutter sweep centrifugal type slurry pump, it is characterised in that：The rotating blade
（6）Including two mutually in the axial-flow type blade at 180 ° of angles（6.1）, the quiet cutter head（7）It is uniform by multiple circular arrays
Boss（7.1）Composition.
5. it is according to claim 4 with pumping cutter sweep centrifugal type slurry pump, it is characterised in that：The axial-flow type knife
Piece（6.1）Outer end is to power transmission shaft（1）The distance in axle center is suction chamber（5）0.7-0.8 times of maximum caliber, the boss
（7.1）With axial-flow type blade（6.1）There is the gap of 3-8mm in outer end.
6. it is according to claim 4 with pumping cutter sweep centrifugal type slurry pump, it is characterised in that：The axial-flow type knife
Piece（6.1）By cutterhead（6.2）Installed in power transmission shaft（1）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621086945.0U CN206111573U (en) | 2016-09-28 | 2016-09-28 | Take pump sending cutting device's centrifugal slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621086945.0U CN206111573U (en) | 2016-09-28 | 2016-09-28 | Take pump sending cutting device's centrifugal slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206111573U true CN206111573U (en) | 2017-04-19 |
Family
ID=58521946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621086945.0U Expired - Fee Related CN206111573U (en) | 2016-09-28 | 2016-09-28 | Take pump sending cutting device's centrifugal slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206111573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283880A (en) * | 2018-09-18 | 2019-01-29 | 中国电力科学研究院有限公司 | It is a kind of for energy supply the excessive method and system judged of flow difference |
-
2016
- 2016-09-28 CN CN201621086945.0U patent/CN206111573U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283880A (en) * | 2018-09-18 | 2019-01-29 | 中国电力科学研究院有限公司 | It is a kind of for energy supply the excessive method and system judged of flow difference |
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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: 20170419 Termination date: 20170928 |