CN105508262A - Multistage cutting and grinding blow-down pump - Google Patents
Multistage cutting and grinding blow-down pump Download PDFInfo
- Publication number
- CN105508262A CN105508262A CN201610036433.1A CN201610036433A CN105508262A CN 105508262 A CN105508262 A CN 105508262A CN 201610036433 A CN201610036433 A CN 201610036433A CN 105508262 A CN105508262 A CN 105508262A
- Authority
- CN
- China
- Prior art keywords
- cutting
- pump
- grinds
- blade
- multistage
- 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.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a multistage cutting and grinding blow-down pump. The multistage cutting and grinding blow-down pump comprises a pump body (1) and a pump shell (2) arranged on the lower side of the pump body (1); a pump shaft (3) is fixedly connected to the pump body (1) in the axial direction, the lower end of the pump shaft (3) extends out of the pump body (1), a vane wheel (4) is fixedly connected to the lower end of the pump shaft (3), and a blade fixing frame (6) is fixedly connected to the lower end of the pump shell (2); a cutting blade A (7) is arranged on the blade fixing frame (6), and a cutting blade B (8) is further installed on the blade fixing frame (6); a water inlet end (9) is arranged at the lower end of the blade fixing frame (6), a cutting and grinding disc (10) is arranged at the water inlet end (9), and a cutting blade C (12) is further arranged on the outer side of the cutting and grinding disc (10). According to the multistage cutting and grinding blow-down pump, the structural design is reasonable and novel, a multistage cutting function is achieved, and the service life of the blow-down pump can be effectively prolonged.
Description
Technical field
The present invention relates to pump technology field, particularly a kind of multistage cutting grinds pollution discharge pump.
Background technique
Pollution discharge pump has the feature of the liquid can carried containing rigid solid, fibre object and the material such as dirty, sticky, sliding because of it, and be widely used in mine, papermaking, printing and dyeing, environmental protection, oil refining, oil, chemical industry, farm, dye, wine brewing, food, chemical fertilizer, coking select in the sewage treatment of numerous industries such as factory, building, marble factory, mud, drift sand, mire, the dirty pool.Existing pollution discharge pump, usually by arranging cutting device at entrance point or being cut by the mode that blade rotary cuts and ground foreign material, but mostly only have single-stage cutting function, cutting effect is poor.When containing the impurity such as more impurity, mud, plastic bag, long fibre in the wastewater media carried, blade or main shaft are easy to be wound, cause motor stall, burn or the blocking of pipeline and pump, have a strong impact on the normal work and use life-span of pollution discharge pump.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, provide a kind of and there is the pollution discharge pump that multistage cutting grinds function, this pollution discharge pump reasonable in design, to foreign material good cutting effect, effectively can improve the working life of pollution discharge pump.
Object of the present invention is achieved through the following technical solutions: a kind of multistage cutting grinds pollution discharge pump, the pump case that it comprises pump body and is arranged on the downside of pump body, described pump body is axially fixed with pump shaft, described pump shaft lower end stretches out in described pump body and described pump shaft lower end is fixed with impeller, described impeller is positioned at the cavity of described pump case, described pump case is provided with waterexit end, described pump case lower end is fixed with blade holder, the joint of pump case and blade holder is provided with seal arrangement, described blade holder is provided with cutting blade A, described blade holder is also provided with cutting blade B, the lower end of described blade holder is provided with feed-water end, described feed-water end place is provided with cutting and grinds dish, described cutting grinds on dish and was provided with water channel, the outside that described cutting grinds dish is also provided with cutting blade C, described cutting blade C is arranged on the lower end of described pump shaft.Impeller, cutting blade A, cutting blade B, cutting blade C all adopt high abrasion resisting material to make, and improving can extended period in its working life while it shears grinding property.
Preferably, also grease chamber is provided with between described pump body and pump case, the side of grease chamber is provided with filler opening, the upper and lower end of described grease chamber is fixedly connected with pump case with pump body respectively, described grease chamber is also arranged on pump shaft by bearing, and the cooperation place of grease chamber and pump body, pump case and pump shaft is provided with seal arrangement.Grease chamber is arranged so that pump shaft has good lubrication effect, makes the rotation of pump shaft more smooth and easy.
Preferably, described blade holder lower end is also fixed with base, and described cutting grinds dish and is fixed on base.
Preferably, described mistake water flow passage is the cylindrical void of involute in form.
Preferably, the lower end of described pump shaft is also provided with axle sleeve, and described cutting blade C is arranged on the lower end of axle sleeve.
Preferably, described impeller is mounted on pump shaft by key.
Preferably, described cutting blade A is involute in form.Involute in form can effectively strengthen blade cuts effect.
Preferably, the edge that described cutting grinds dish is provided with breach.Breach can the discharge ability of the foreign material such as reinforcing fiber, avoids the generation of swaging clamp phenomenon; Meanwhile, cutting grinds dish when there is relative cutting with cutting blade C, and breach can also play the effect that minimizing cutting blade C weares and teares.
Preferably, the edge of described mistake water flow passage is provided with dentation cutting knife.Dentation cutting knife can be used for strengthening the cutting power that cutting grinds dish.
The present invention has the following advantages:
1, pollution discharge pump reasonable in design of the present invention, novelty, multiple cutting blade, good cutting effect are set, effectively can improve working efficiency and the working life of pollution discharge pump: during specific works, after sewage and foreign material enter from feed-water end, first, cutting blade C High Rotation Speed and cutting grind the raw relative shear of hair updo, carry out one-level cutting grind foreign material; Then, water and foreign material enter in pump case, and relative shear occurs for impeller and cutting blade B, shear further the fiber foreign material etc. of remnants; Meanwhile, the cutting blade A of the involute in form in impeller and blade holder also can shear, and can again shear the fiber foreign material etc. of remnants; Triple shear constitution cooperatively interacts above, effectively can improve the cutting grinding property of pollution discharge pump, prevents the phenomenon that foreign material are wound around and the pump housing blocks from occurring, improves pollution discharge pump working efficiency and working life.
2, the water channel of crossing that cutting grinds dish is arranged to the cylindrical void of involute in form, can effective less resistance, is conducive to sewage and foreign material enter in pump case smoothly, reduces the working load of pump; And the edge crossing water flow passage is also provided with dentation cutting knife, effectively can strengthen the cutting power that cutting grinds dish, improve cutting and grind quality.
3, cutting grinds plate edge place and is provided with the breach of discharging ability for foreign material such as reinforcing fibers, effectively can prevent the generation of swaging clamp phenomenon, and reduce the wearing and tearing of cutting blade C, ensures that equipment is safe and reliable to operation, improves the working life of cutting blade C.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the master of blade holder in the present invention cuts open structural representation;
Fig. 3 is the plan structure schematic diagram of blade holder in the present invention;
Fig. 4 is that the master of cutting blade B in the present invention cuts open structural representation;
Fig. 5 is the plan structure schematic diagram of cutting blade B in the present invention;
Fig. 6 is that the B-B of cutting blade B in the present invention is to sectional structure schematic diagram;
Fig. 7 is the structural representation that in the present invention, cutting grinds dish and cutting blade C;
In figure: 1-pump body, 2-pump case, 3-pump shaft, 4-impeller, 5-waterexit end, 6-blade holder, 7-cutting blade A, 8-cutting blade B, 9-feed-water end, 10-cutting grinds dish, and 11-crosses water channel, 12-cutting blade C, 13-grease chamber, 14-bearing, 15-base, 16-axle sleeve, 17-breach, 18-dentation cutting knife.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of multistage cutting grinds pollution discharge pump, it comprises pump body 1 and is arranged on the pump case 2 on the downside of pump body 1, described pump body 1 is axially fixed with pump shaft 3, described pump shaft 3 lower end stretches out in described pump body 1 and described pump shaft 3 lower end is fixed with impeller 4, and herein, impeller 4 and the Connecting format of pump shaft 3 are that key is connected, described impeller 4 is positioned at the cavity of described pump case 2, and the side of described pump case 2 is provided with waterexit end 5.
The lower end of described pump case 2 is fixed with blade holder 6, is fixedly connected with between blade holder 6 with pump case 2 by sunk screw, and pump case 2 is provided with seal arrangement with the joint of blade holder 6.Described blade holder 6 is provided with cutting blade A7, and cutting blade A7 is involute in form, and the structure of blade holder 6 and cutting blade A7 as shown in Figures 2 and 3.Described blade holder 6 is also provided with cutting blade B8, and cutting blade B8 is arranged in blade holder 6 by sunk screw, and the structure of cutting blade B8 is as shown in Fig. 4 ~ Fig. 6.
The lower end of described blade holder 6 is provided with feed-water end 9, feed-water end 9 place is provided with cutting and grinds dish 10, described blade holder 6 lower end is also fixed with base 15 by the form of clamping, and cutting grinds dish 10 and is fixed on base 15 by sunk screw, cutting grinds on dish 10 and was provided with water channel 11, crossing that water flow passage 11 is set to can the cylindrical void of involute in form of effective less resistance, and the edge of cylindrical void being provided with the dentation cutting knife 18 strengthening cutting power, the number of dentation cutting knife 18 can be set to one or more as required.The outside that described cutting grinds dish 10 is also provided with cutting blade C12, and the lower end of described pump shaft 3 is also provided with axle sleeve 16, and cutting blade C12 is arranged on the lower end of axle sleeve 16 by bolt.In addition, the edge that cutting grinds dish 10 is also provided with and discharges ability for foreign material such as reinforcing fibers, prevent swaging clamp phenomenon from occurring, reduce arc notch 17, three arc notch 17 of cutting blade C12 wearing and tearing is evenly distributed on the edge that cutting grinds dish 10.Cutting grinds the structure of dish 10 and cutting blade C as shown in Figure 7.
Also be provided with grease chamber 13 between described pump body 1 and pump case 2, the upper and lower end of described grease chamber 13 is fixedly connected with pump case 2 with pump body 1 respectively by bolt, and described grease chamber 13 is also arranged on pump shaft 3 by bearing 14.The side of grease chamber 13 is provided with filler opening, and grease chamber 13 is provided with seal arrangement with the cooperation place of pump body 1, pump case 2 and pump shaft 3.
Working procedure of the present invention is as follows: under driven by motor, pump shaft 3 rotates, pump shaft 3 impeller 4 is rotated, and sewage and foreign material is sucked from feed-water end 9, first, the cutting blade C12 of High Rotation Speed and cutting grind dish 10 and relative shear occur, and carry out one-level cutting grind foreign material; Then, water and foreign material enter in pump case 2, and relative shear occurs for impeller 4 and cutting blade B8, shear further the fiber foreign material etc. of remnants; Meanwhile, impeller 4 also can be sheared with the cutting blade A7 of the involute in form in blade holder 6, can again shear the fiber foreign material etc. of remnants; Finally, the water after multistage key is cut and foreign material are discharged by waterexit end 5.Triple shear constitutions above-mentioned in the present invention cooperatively interact, and effectively can improve the cutting grinding property of pollution discharge pump, prevent the phenomenon that foreign material are wound around and the pump housing blocks from occurring, improve pollution discharge pump working efficiency and working life.
Claims (9)
1. a multistage cutting grinds pollution discharge pump, it comprises pump body (1) and is arranged on the pump case (2) of pump body (1) downside, described pump body (1) is upper is axially fixed with pump shaft (3), described pump shaft (3) lower end stretches out in described pump body (1) and described pump shaft (3) lower end is fixed with impeller (4), described impeller (4) is positioned at the cavity of described pump case (2), described pump case (2) is provided with waterexit end (5), it is characterized in that: described pump case (2) lower end is fixed with blade holder (6), described blade holder (6) is provided with cutting blade A(7), described blade holder (6) is also provided with cutting blade B(8), the lower end of described blade holder (6) is provided with feed-water end (9), described feed-water end (9) place is provided with cutting and grinds dish (10), described cutting grinds on dish (10) and was provided with water channel (11), the outside that described cutting grinds dish (10) is also provided with cutting blade C(12), described cutting blade C(12) be arranged on the lower end of described pump shaft (3).
2. the multistage cutting of one according to claim 1 grinds pollution discharge pump, it is characterized in that: between described pump body (1) and pump case (2), be also provided with grease chamber (13), the upper and lower end of described grease chamber (13) is fixedly connected with pump case (2) with pump body (1) respectively, and described grease chamber (13) is also arranged on pump shaft (3) by bearing (14).
3. the multistage cutting of one according to claim 1 grinds pollution discharge pump, it is characterized in that: described blade holder (6) lower end is also fixed with base (15), and described cutting grinds dish (10) and is fixed on base (15).
4. the multistage cutting of one according to claim 1 grinds pollution discharge pump, it is characterized in that: the cylindrical void that described mistake water flow passage (11) is involute in form.
5. the multistage cutting of one according to claim 1 grinds pollution discharge pump, it is characterized in that: the lower end of described pump shaft (3) is also provided with axle sleeve (16), described cutting blade C(12) be arranged on the lower end of axle sleeve (16).
6. the multistage cutting of one according to claim 1 grinds pollution discharge pump, it is characterized in that: described impeller (4) is mounted on pump shaft (3) by key.
7. the multistage cutting of one according to claim 1 grinds pollution discharge pump, it is characterized in that: described cutting blade A(7) be involute in form.
8. the multistage cutting of one according to claim 1 grinds pollution discharge pump, it is characterized in that: the edge that described cutting grinds dish (10) is provided with breach (17).
9. the multistage cutting of one according to claim 1 grinds pollution discharge pump, it is characterized in that: the edge of described mistake water flow passage (11) is provided with dentation cutting knife (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036433.1A CN105508262B (en) | 2016-01-20 | 2016-01-20 | A kind of multistage cutting grinds dredge pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036433.1A CN105508262B (en) | 2016-01-20 | 2016-01-20 | A kind of multistage cutting grinds dredge pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508262A true CN105508262A (en) | 2016-04-20 |
| CN105508262B CN105508262B (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610036433.1A Active CN105508262B (en) | 2016-01-20 | 2016-01-20 | A kind of multistage cutting grinds dredge pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508262B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438388A (en) * | 2016-11-23 | 2017-02-22 | 文成县简创科技有限公司 | Anti-blocking sewage pump |
| CN107322291A (en) * | 2017-07-27 | 2017-11-07 | 苏州杰纳机器人科技有限公司 | A kind of automatic assembly of oil pump casing |
| CN112855556A (en) * | 2021-02-08 | 2021-05-28 | 杭州正昇安全科技有限公司 | Multistage cutting and grinding sewage pump |
| KR102287743B1 (en) * | 2021-01-14 | 2021-08-06 | 백선주 | Underwater pump |
| CN113819062A (en) * | 2021-09-15 | 2021-12-21 | 尚宝罗江苏节能科技股份有限公司 | Centrifugal conveying pump |
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| US7159806B1 (en) * | 2005-01-18 | 2007-01-09 | Ritsema Stephen T | Cutter assembly for a grinder pump |
| US20090067992A1 (en) * | 2007-09-06 | 2009-03-12 | Keener Robert M | Sewage Pump |
| KR100918876B1 (en) * | 2009-01-30 | 2009-09-28 | (주)지천펌프공업 | Water grinder pump |
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| CN102828986A (en) * | 2012-09-20 | 2012-12-19 | 台州豪贝泵业有限公司 | Cutting assembly for stainless steel cutting submersible pump |
| CN202690499U (en) * | 2012-06-26 | 2013-01-23 | 方子林 | Two-reamer cutting type submersible sewage pump |
| CN203272197U (en) * | 2013-04-02 | 2013-11-06 | 江苏凯泉泵业制造有限公司 | Submersible sewage pump with dirt cutting function |
| CN204961372U (en) * | 2015-08-19 | 2016-01-13 | 台州新宏基泵业有限公司 | Sewage filth submerged motor pump filth cutting device |
| CN205533291U (en) * | 2016-01-20 | 2016-08-31 | 四川嘉能机电有限公司 | Multistage cutting grinding dredge pump |
-
2016
- 2016-01-20 CN CN201610036433.1A patent/CN105508262B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7159806B1 (en) * | 2005-01-18 | 2007-01-09 | Ritsema Stephen T | Cutter assembly for a grinder pump |
| US20090067992A1 (en) * | 2007-09-06 | 2009-03-12 | Keener Robert M | Sewage Pump |
| KR100918876B1 (en) * | 2009-01-30 | 2009-09-28 | (주)지천펌프공업 | Water grinder pump |
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| CN102828986A (en) * | 2012-09-20 | 2012-12-19 | 台州豪贝泵业有限公司 | Cutting assembly for stainless steel cutting submersible pump |
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| CN205533291U (en) * | 2016-01-20 | 2016-08-31 | 四川嘉能机电有限公司 | Multistage cutting grinding dredge pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438388A (en) * | 2016-11-23 | 2017-02-22 | 文成县简创科技有限公司 | Anti-blocking sewage pump |
| CN107322291A (en) * | 2017-07-27 | 2017-11-07 | 苏州杰纳机器人科技有限公司 | A kind of automatic assembly of oil pump casing |
| KR102287743B1 (en) * | 2021-01-14 | 2021-08-06 | 백선주 | Underwater pump |
| CN112855556A (en) * | 2021-02-08 | 2021-05-28 | 杭州正昇安全科技有限公司 | Multistage cutting and grinding sewage pump |
| CN113819062A (en) * | 2021-09-15 | 2021-12-21 | 尚宝罗江苏节能科技股份有限公司 | Centrifugal conveying pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105508262B (en) | 2017-12-29 |
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