CN204283901U - A kind of centrifugal sludge pump - Google Patents
A kind of centrifugal sludge pump Download PDFInfo
- Publication number
- CN204283901U CN204283901U CN201420527780.0U CN201420527780U CN204283901U CN 204283901 U CN204283901 U CN 204283901U CN 201420527780 U CN201420527780 U CN 201420527780U CN 204283901 U CN204283901 U CN 204283901U
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- CN
- China
- Prior art keywords
- sludge pump
- impeller
- helical blade
- cutting edge
- centrifugal sludge
- 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.)
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Abstract
The utility model belongs to sludge pump technical field, particularly a kind of centrifugal sludge pump.The technical problems to be solved in the utility model is to provide a kind of easy to use, safe, not susceptible to plugging centrifugal sludge pump.The cutting edge that the utility model helical blade upper end is arranged and the groove that covers of suction side cooperatively interact, and solid matter is cleared away; The position relationship that a part of cutting edge of impeller and cutting ring parallel ensure that any solid particle entered between blade all away from cutting edge, can not enhance cutting effect; Regulate screw shell length can change the position of helical blade; In order to eliminate the problem of the vibration produced when asymmetric helical blade rotates, end is provided with multiple backs blade after the impeller; In whole operation, cutting ring, groove and helical blade cooperatively interact, acting in conjunction, prevent mud from piling up, and improve safety in utilization and the working life of sludge pump, and then improve operating efficiency.
Description
Technical field
The utility model relates to sludge pump technical field, particularly relates to a kind of centrifugal sludge pump.
Background technique
In known technology, the sludge pump being generally used for sucks sewage adopts centrifugal pump body structure mostly, the clutch end of pump shaft is located in impeller housing, and drive screw blade to rotate, because the mud suction inlet on impeller housing is directly communicated with blade, therefore, in the process of pumping sewage, run into the mud containing blocks of solid or cellulosic foreign material, then easy blockage phenomenon, and once blade is by card, motor is often caused to burn out, even cause the accident such as blade damage and pump case damage, have influence on the working life of sewage pump, Security and operating efficiency.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of easy to use, safe, not susceptible to plugging centrifugal sludge pump.
The utility model is achieved through the following technical solutions:
A kind of centrifugal sludge pump, comprise impeller, described impeller is provided with helical blade, the front end on described helical blade is processed with cutting edge.
In such scheme, also comprise impeller shaft and suck end cap, described suction end cap is arranged on the below of described impeller, and the opening of described suction end cap is processed with cutting ring, and described cutting ring and described impeller shaft are eccentric settings.
Further, described suction side exterior surface is provided with groove, the ingress extension that the length of described groove covers from described suction side reaches the edge of described suction end cap.
In such scheme, the turning at described groove (33) place is provided with cutting edge.
In such scheme, described cutting edge is made by welding stellite.
In such scheme, described cutting edge is made by welding stellite.
In such scheme, described impeller also comprises back blade, and described back blade is arranged on the rear end of described impeller.
In such scheme, described impeller shaft overcoat has screw shell, and the length of described impeller shaft is regulated by described screw shell.
In such scheme, also comprise suction nozzle, described suction nozzle side is provided with handle cover, and described handle cover outer surface is provided with screw clamp, and described handle cover fixes position by described screw clamp.
Beneficial effect: technical solutions of the utility model compared with prior art, the cutting edge of the helical blade upper end of High Rotation Speed can shred solid matter in fluid, suction side has covered groove, the position at its place and helical blade form a wide angle, the cutting edge of slot wedge and helical blade cooperatively interacts, being blocked in helical blade and sucking the solid matter cleaning between end cap; The position relationship that a part of cutting edge of impeller and cutting ring parallel ensure that any solid particle entered between blade all away from cutting edge, can not enhance cutting effect; Regulate screw shell length can change the position of impeller shaft, and then change the position of helical blade, the cutting effect required for final acquisition; Can vibrative problem when asymmetric helical blade rotates, in order to eliminate vibration, end is provided with multiple backs blade after the impeller, it uses as auxiliary impeller, also can prevent solid matter from sticking between impeller back and follower, reduce the wearing and tearing of solid matter to impeller back and follower; In whole operation, cutting ring, groove and helical blade cooperatively interact, acting in conjunction, prevent mud from piling up, and improve safety in utilization and the working life of sludge pump, and then improve operating efficiency.
Accompanying drawing explanation
Fig. 1 is the perspective view of impeller;
Fig. 2 is the perspective view of pump housing suction side;
Fig. 3 is the vertical cross-section diagram of pump.
In figure, 1, back blade 2, impeller 3, impeller shaft 4, helical blade 5, median eye 6, cutting edge 7, casting matrix 8, deep groove ball bearing 9, deep groove ball bearing 10, screw shell 11, housing 12, filler case lid 13, follower 14, filler 15, breed cast wheel 16, bolt 17, flange 18, pedestal 19, suck end cap 20, eccentric opening 21, reaming 22, flange 23, flange 24, suction nozzle 25, bolt 26, wheel hub 27, the thread section 28 of axle, safety cover 29, suction port 30, handle cover 31, screw clamp 32, cutting ring 33, groove 34, peripheral outstanding.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1, a kind of centrifugal sludge pump, comprise impeller 2, impeller shaft 3 and median eye 5, described median eye 5 is positioned at described impeller 2 central authorities, described impeller 2 is provided with helical blade 4, and described helical blade 4 originates in described median eye 5, is extended to the periphery of described impeller 2 by the divergent convolution of outside, the helical runner extended out from the surface of described median eye 5 can become wider and wider, becomes thicker and thicker; Described impeller 2 also comprises back blade 1, described back blade 1 is arranged on the rear end of described impeller 2, described back blade 1 can eliminate vibrative problem when asymmetric helical blade rotates, simultaneously also can prevent solid matter from sticking between impeller back and follower, reduce the wearing and tearing of solid matter to impeller back and follower.
As shown in Figure 2, a kind of centrifugal sludge pump, also comprise and suck end cap 19, described suction end cap 19 is arranged on the below of described impeller 2, and the opening of described suction end cap 19 is processed with cutting ring 32, and described cutting ring 32 is eccentric settings with described impeller shaft 3; Described suction end cap 19 outer surface is provided with groove 33, and the length of described groove 33 reaches the edge of described suction end cap 19 from the ingress extension described suction end cap 19; In described cutting ring 32,
As shown in Figure 3, a kind of centrifugal sludge pump, also comprises casting matrix 7, screw shell 10, housing 11, filler case lid 12, follower 13, breeds cast wheel 15, pedestal 18, eccentric opening 20, suction cover plate 21, suction nozzle 24, wheel hub 26 and safety cover 28; Described casting matrix 7 is used for supporting the pump housing, described housing 11, filler case lid 12 and suction cover plate 21, and be all linked together by bolt 16 and be fixed on described casting matrix 7, described casting matrix 7 also can be used to fixing deep groove ball bearing 8 and deep groove ball bearing 9; Described screw shell 10 is enclosed within outside impeller shaft 3, the length of the adjustable described impeller shaft 3 of described screw shell 10, and then changes the position of helical blade, thus can obtain required cutting effect; Described filler case lid 12 has a top cylindrical portion, be used for coordinating described follower 13 to seal filler 14, described filler case lid 12 is equipped with a Stuffing box closely can to described impeller shaft 3, the form of described filler case lid 12 in butterfly disk, extend to flange 17 place, described flange 17 is connected by immersing oneself on described casting matrix 7 with housing 11; The described cast wheel 15 that breeds passes through Stuffing box; Described impeller 2 is furnished with wheel hub 26, and described impeller shaft 3 is connected with described wheel hub 26 by the thread section 27 of axle; Described safety cover 28 is in umbilicate type, and described safety cover 28 is arranged on the back of described helical blade 4; Described suction end cap 19 is arranged on the centre of described pedestal 18, and the peripheral nib 34 of described suction side extends to the periphery of described housing 11; Described suction cover plate 21 has an eccentric opening 20, and described cutting ring 33 is arranged on described eccentric opening 20 li; Described suction nozzle 24 comprises suction port 29 and handle cover 30, described suction port 29 is tapered, described handle cover 30 is arranged on the side of described suction nozzle 24, described handle cover 30 outer surface is provided with screw clamp 31, described handle cover 30 fixes position by described screw clamp 31, and electric coil and some other not by the thing of suction nozzle is taken out in the inside that just can enter suction nozzle after uncap; Described suction nozzle 24 is arranged on described suction cover plate 21 by flange 22 and flange 23, and bolt 25 plays the effect strengthening further connecting; Exhaust port, at the edge of described housing 11, is arranged on the back side of the pump housing.
Front end or the outer installment of described helical blade 4 have cutting edge 6, other positions in the pump housing as described in cutting ring 32 turning at turning and groove 33 place also have cutting place, described cutting edge 6 and these fixing cuttings place cooperatively interact work.Cutting edge is made by welding stellite or other similar hard alloys, and it is sharp to cut position mill.These cutting edges except having cutting function, and after described groove 33 cooperation, also can be discharged the solid particle in the gap between possibility blocking blades and described suction end cap 19.
Workflow of the present utility model: when the pump housing starts operation, power engine drives described impeller 2 fast rotational to make mud be subject to the effect of centrifugal force and flow to described impeller 2 outer rim, now described impeller 2 center is in low pressure area, while sewage extrudes from described impeller 2, extraneous mud adds to impeller central authorities low pressure area by described suction port 29.Enter in described suction end cap 19 at mud by described suction port 29, in described cutting ring 32, the cutting edge of corner cuts the thing of the solid in mud, prevents sludge blockage blade.A solid thing in operation in mud more or less can be deposited in (surface namely shown in Fig. 3) on the rear capping of described suction end cap 19, due to the High Rotation Speed effect of helical blade 4, the mud be in the region sucked between described end cap 19 and helical blade 4 is in centrifugal motion, mud is constantly to described impeller 2 outer rim flowing, the a part of deposit sticked to like this on described suction end cap 19 surface can continue to flow in described groove 33, and flow to outer rim flowing along described groove 33, the cutting edge of described groove 33 corner continues to cut a solid thing, prevent from being deposited in described groove 33.
Continue to enter in described impeller 2 by the mud after described suction end cap 19, described helical blade 4 continues to drive mud to tell rotation, in rotary course, the larger particles being arranged in described cutting edge 6 pairs of mud carries out cutting makes it into comparatively small particle, and last mud is discharged through sewage draining exit.Cutting ring 32 described in whole operation, groove 33 and helical blade 4 cooperatively interact, and acting in conjunction prevents mud from piling up.
Although the utility model describes embodiment herein; but coverage area of the present utility model is not limited thereto; on the contrary; all technological schemes that the utility model falls in fact within the scope of the claims under containing all instructions on literal or in equivalents, protection domain of the present utility model is as the criterion with claims.
Claims (9)
1. a centrifugal sludge pump, it is characterized in that comprising impeller (2), described impeller (2) is provided with helical blade (4), the front end on described helical blade (4) is processed with cutting edge (6).
2. a kind of centrifugal sludge pump according to claim 1, characterized by further comprising impeller shaft (3) and suck end cap (19), described suction end cap (19) is arranged on the below of described impeller (2), the opening of described suction end cap (19) is processed with cutting ring (32), and described cutting ring (32) and described impeller shaft (3) are eccentric settings.
3. a kind of centrifugal sludge pump according to claim 2, it is characterized in that described suction end cap (19) afterwards capping is provided with groove (33), the length of described groove (33) reaches the edge of described suction end cap (19) from the ingress extension described suction end cap (19).
4. a kind of centrifugal sludge pump according to claim 2, is characterized in that the interior corner of described cutting ring (32) is provided with cutting edge.
5. a kind of centrifugal sludge pump according to claim 3, is characterized in that the turning at described groove (33) place is provided with cutting edge.
6. a kind of centrifugal sludge pump according to claim 1,4 or 5, is characterized in that described cutting edge is made by welding stellite.
7. a kind of centrifugal sludge pump according to claim 1, it is characterized in that described impeller (2) also comprises back blade (1), described back blade (1) is arranged on the rear end of described impeller (2).
8. a kind of centrifugal sludge pump according to claim 2, it is characterized in that described impeller shaft (3) overcoat has screw shell (10), the length of described impeller shaft (3) is regulated by described screw shell (10).
9. a kind of centrifugal sludge pump according to claim 1, characterized by further comprising suction nozzle (24), described suction nozzle (24) side is provided with handle cover (30), described handle cover (30) outer surface is provided with screw clamp (31), described handle cover (30) fixes position by described screw clamp (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527780.0U CN204283901U (en) | 2014-09-15 | 2014-09-15 | A kind of centrifugal sludge pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527780.0U CN204283901U (en) | 2014-09-15 | 2014-09-15 | A kind of centrifugal sludge pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283901U true CN204283901U (en) | 2015-04-22 |
Family
ID=52867066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420527780.0U Expired - Fee Related CN204283901U (en) | 2014-09-15 | 2014-09-15 | A kind of centrifugal sludge pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283901U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131146A (en) * | 2016-02-26 | 2017-09-05 | 江苏江进泵业有限公司 | A kind of band the is adjustable Turo pump without phyllocyst gap impeller |
| CN108167197A (en) * | 2018-01-15 | 2018-06-15 | 四川省机械研究设计院 | A kind of cutting-type centrifuges submersible sewage pump |
| CN105221477B (en) * | 2015-10-16 | 2019-07-09 | 江苏大学 | A kind of asymmetric solid-liquid two-phase flow centrifugal impeller Hydraulic Design Method |
-
2014
- 2014-09-15 CN CN201420527780.0U patent/CN204283901U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221477B (en) * | 2015-10-16 | 2019-07-09 | 江苏大学 | A kind of asymmetric solid-liquid two-phase flow centrifugal impeller Hydraulic Design Method |
| CN107131146A (en) * | 2016-02-26 | 2017-09-05 | 江苏江进泵业有限公司 | A kind of band the is adjustable Turo pump without phyllocyst gap impeller |
| CN108167197A (en) * | 2018-01-15 | 2018-06-15 | 四川省机械研究设计院 | A kind of cutting-type centrifuges submersible sewage pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20160915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |