CN204061201U - Multi-stage slag-slurry pump - Google Patents
Multi-stage slag-slurry pump Download PDFInfo
- Publication number
- CN204061201U CN204061201U CN201420428660.5U CN201420428660U CN204061201U CN 204061201 U CN204061201 U CN 204061201U CN 201420428660 U CN201420428660 U CN 201420428660U CN 204061201 U CN204061201 U CN 204061201U
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- China
- Prior art keywords
- impeller
- sectional type
- pump housing
- type pump
- stage
- 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.)
- Expired - Lifetime
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- 239000002002 slurry Substances 0.000 title claims abstract description 27
- 238000005299 abrasion Methods 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000002893 slag Substances 0.000 description 10
- 239000003082 abrasive agent Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000013632 homeostatic process Effects 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Multi-stage slag-slurry pump, is made up of bearing portion assembly, main shaft, impeller, the sectional type pump housing, shaft seal assembly etc., it is characterized in that: impeller is combined by composite abrasion resistance material parts and metal parts; The sectional type pump housing is combined by composite abrasion resistance material parts and metal parts; The radial position being positioned at impeller outlet at the final stage sectional type pump housing is provided with the exhaust port of more than 2 or 2, described exhaust port is by being arranged on the flow passage final stage discharge port in sectional type pump housing composite abrasion resistance material parts; The radial position being positioned at impeller outlet at the non-final stage sectional type pump housing is provided with the exhaust port of more than 2 or 2, described exhaust port is by being arranged on the suction port of the flow passage next stage impeller in sectional type pump housing composite abrasion resistance material parts; Be provided with even number impeller, wherein the suction port of half impeller points to bearing support assembly direction, the suction port bearing support assembly direction dorsad of another half impeller.
Description
Art
The utility model relates to a kind of centrifugal pump, has the centrifugal pump of abrasive media in particular for conveying.
Background technique
When conveying has the medium of abrasion, often adopt Pulp pump.But the lift of single-stage Pulp pump is limited, if need higher lift, several single-stage Pulp pump series windings need be adopted or adopt Multi-stage slag-slurry pump.The scheme of several single-stage Pulp pump series windings is the most frequently used at present, but the shortcoming of this scheme is apparent, the first takies larger plant area, it two is that the shaft sealing of rear class will bear very high pressure, operating conditions is very severe, even if employing mechanical seal, the reliability of system still cannot be ensured.Disclosed Multi-stage slag-slurry pump technology is less at present, and the Multi-stage slag slurry having entered business phase is then more rare.
CN102192184A discloses a kind of Pulp pump, and this Pulp pump can only manufacture 2 grades of Pulp pump, and lift of pump is restricted, the radial force produced when two impellers of Pulp pump work simultaneously can not balance mutually, and consequent couple easily causes the damage of bearing or main shaft, CN2276572 and CN2061221 individually discloses two kinds of Multi-stage slag-slurry pumps, these two kinds of Multi-stage slag-slurry pumps can realize axial force of impeller and radial equilibrium of forces, and realize higher lift, but adopt the Multi-stage slag-slurry pump of these two kinds of structures to be difficult to the good abrasion resistance alloy manufacture of wear resistance, particularly the metal flow passage part of shape compound is as stage casing, stators etc. cannot carry out the heat treatments such as quenching to improve wear resistance, under strong abrasion operating mode, flow passage part can be very fast because of wear out failure, thus be not the Multi-stage slag-slurry pump of real meaning, can only use under the light abrasion operating modes such as conveying coal slime.
In sum, prior art shortage is a kind of can realize Multi-stage slag-slurry pump that is high-lift and that can use under strong abrasion operating mode.
Summary of the invention
For solving the deficiencies in the prior art, the utility model provides a kind of Multi-stage slag-slurry pump, is conducive to making Multi-stage slag-slurry pump realize higher lift from Structure and energy two aspect, and can obtain longer working life under strong abrasion operating mode.
The utility model adopts following technological scheme: Multi-stage slag-slurry pump is made up of bearing portion assembly, main shaft, impeller, the sectional type pump housing, shaft seal assembly etc., it is characterized in that: impeller is combined by composite abrasion resistance material parts and metal parts; The sectional type pump housing is combined by composite abrasion resistance material parts and metal parts; The radial position being positioned at impeller outlet at the final stage sectional type pump housing is provided with the exhaust port of more than 2 or 2, described exhaust port is by being arranged on the flow passage final stage discharge port in sectional type pump housing composite abrasion resistance material parts; The radial position being positioned at impeller outlet at the non-final stage sectional type pump housing is provided with the exhaust port of more than 2 or 2, described exhaust port is by being arranged on the suction port of the flow passage next stage impeller in sectional type pump housing composite abrasion resistance material parts; Be provided with even number impeller, wherein the suction port of half impeller points to bearing support assembly direction, the suction port bearing support assembly direction dorsad of another half impeller.
The Main Ingredients and Appearance of above-mentioned composite abrasion resistance material is the abrasive grain of 40% ~ 95% weight and the resinoid bond of 5% ~ 60% weight, abrasive material is lower and the wear resistance artificial or natural abrasive preferably of cost, as silicon nitride, silicon carbide, corundum, garnet, emery, zirconium oxide etc.A kind of abrasive material wherein can be adopted, several abrasive composites also can be adopted simultaneously to strengthen the wear resistance of composite abrasion resistance material.
For improving the reliability of shaft sealing, first order impeller relatively other impeller distance between bearing parts is nearest, and it sucks door and points to bearing portion assembly; Suction casing and shaft seal assembly are set between first order impeller and bearing portion assembly; The slag slurry pressure of such shaft sealing place is lower, is conducive to the life-span of extending shaft sealing.
The beneficial effects of the utility model are: composite abrasion resistance material parts tool has good wearability, metallic material parts then has good mechanical strength, the impeller combined with bi-material and the sectional type pump housing, not only wear resistance comparatively metal significantly improve, mechanical strength also can meet the demands, thus significantly can improve the life-span of flow passage part; Identical and the impeller that suction port direction is contrary of magnitude setting, can make the axial force of the generation of impeller balance mutually; 2 that the radial position being positioned at impeller outlet at sectional type pump housing composite abrasion resistance material is evenly arranged or 2 are with the structure of upper runner, not only compact, wear resistance is good, can also make the radial force homeostasis that each impeller is subject to, and is conducive to the reliability improving bearing and main shaft; Meanwhile, the sectional type pump housing of this structure is not only feasible in technique, and cost is controlled.The utility model can make the progression of Pulp pump more, thus realizes more high-lift.
Accompanying drawing explanation
Forming a part for the utility model specification, showing preferred embodiment of the present utility model for understanding accompanying drawing of the present utility model further, and be used for the utility model principle is described together with specification, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the plan view of the utility model embodiment 1;
Fig. 2 is the sectional drawing of Fig. 1 at A-A line;
Fig. 3 is the sectional drawing of Fig. 1 at B-B line;
Fig. 4 is the sectional drawing of Fig. 3 at C-C line;
Fig. 5 is the sectional view of the utility model embodiment 2;
Fig. 6 is the sectional drawing of Fig. 5 at D-D line;
Fig. 7 is the sectional drawing of Fig. 5 at E-E line.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1 shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4 is a kind of 2 grades of Pulp pump, comprising: bearing portion assembly 2, main shaft 1, the one-level sectional type pump housing 41, the secondary sectional type pump housing 42, one stage impeller 51, work level impeller 52, feed zone 10, shaft seal assembly 3, pump cover 9.
In the embodiment 1 shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, one stage impeller 51 is combined by complex abrasion-proof multimaterial component 511 and metal parts 512, and one stage impeller 51 other impeller relative is near bearing portion assembly 2, and its suction port points to bearing portion assembly 2; Sencond stage impeller 52 is combined by composite abrasion resistance material parts 521 and metal parts 522, and its suction port is bearing part 2 dorsad; The one-level sectional type pump housing 41 is combined by composite abrasion resistance material parts 411 and metal parts 412; The secondary sectional type pump housing 42 is the final stage sectional type pump housing, is combined by composite abrasion resistance material parts 421 and metal parts 422; Feed zone 10 adopts metal manufacture; For reducing manufacture cost, feed zone 10 and the one-level sectional type pump housing 41 are made an entirety; Pump cover 9 is combined by composite abrasion resistance material parts 91 and metal parts 92; Shaft seal assembly 3 is packing seal or mechanical seal, is arranged on pump cover 9.
In Fig. 2 and Fig. 4, slag slurry enters one stage impeller 51 from feed zone 10 by pump cover 9 along direction shown in curve 81; Be positioned at the one-level sectional type pump housing 41 radial position that one stage impeller 51 exports and be provided with the exhaust port 413 of more than 2 or 2, the radial force therefore suffered by one stage impeller 41 can balance mutually; Corresponding position on secondary sectional type pump housing composite abrasion resistance material parts 421 is provided with 2 or 2 with the suction port of upper runner 424 connecting passage 413 and sencond stage impeller 52; The outlet flow of slag slurry along direction shown in curve 82 from one stage impeller 51 is to the suction port of sencond stage impeller 52.
In the diagram, be positioned in radial position that sencond stage impeller 52 exports at secondary sectional type composite material component 421 and be evenly provided with the exhaust port 423 of more than 2 or 2, balance mutually with the radial force making impeller 52 be subject to, slag slurry is discharged along the direction shown in curve 83 from sencond stage impeller 52 to final stage discharge port 425.
In the embodiment 1 shown in Fig. 2 and Fig. 4, one stage impeller 51 is provided with orifice sleeve 7, the one-level sectional type pump housing 41 is provided with fixed restriction cover 6, and orifice sleeve and fixed restriction cover can adopt the manufacture of the high-abrasive material such as cemented carbide, pottery, to resist the strong abrasion at this place.
Embodiment 2 shown in Fig. 5, Fig. 6 and Fig. 7 is a kind of 4 grades of Pulp pump, comprise bearing portion assembly 2, main shaft 1, the one-level sectional type pump housing 41, the secondary sectional type pump housing 42, three grades of sectional type pump housings 43, the level Four sectional type pump housing 44, one stage impeller 51, sencond stage impeller 52, three grades of impellers 53, level Four impellers 54,, feed zone 10, shaft seal assembly 3, pump cover 9.
In the embodiment 2 shown in Fig. 5, Fig. 6 and Fig. 7, one stage impeller 51 is combined by composite abrasion resistance material parts 511 and metal parts 512, sencond stage impeller 52 is combined by composite abrasion resistance material parts 521 and metal parts 522, three grades of impellers 53 are combined by composite abrasion resistance material parts 531 and metal parts 532, and level Four impeller 54 is combined by composite abrasion resistance material parts 541 and metal parts 542; Wherein the suction port of one stage impeller 51 and three grades of impellers 53 points to bearing portion assembly, the suction port bearing portion assembly dorsad of sencond stage impeller 52 and level Four impeller 54.
In the embodiment 2 shown in Fig. 5, Fig. 6 and Fig. 7, the one-level sectional type pump housing 41 is combined by one-level sectional type pump housing composite abrasion resistance material parts 411 and one-level sectional type pump housing metal parts 412, the secondary sectional type pump housing 42 is combined by composite abrasion resistance material parts 421 and metal parts 422, three grades of sectional type pump housings 43 are combined by composite abrasion resistance material parts 431 and metal parts 432, the level Four sectional type pump housing 44 is the final stage sectional type pump housing, is combined by composite abrasion resistance material parts 441 and metal parts 442.
In Figure 5, slag slurry enters from feed zone 10, through pump cover 9, enters one stage impeller 51 along direction shown in curve 84; For ensureing intensity and the wear resistance of pump cover, pump cover is combined by composite abrasion resistance material parts 91 and metal parts 92; For reducing manufacture cost, feed zone 10 and the one-level sectional type pump housing 41 are manufactured an entirety.
In Figure 5 with in Fig. 7, the secondary sectional type pump housing 42 be positioned at radial direction that sencond stage impeller 52 exports evenly be provided with 2 or 2 with exhaust port 426, slag slurry enters three grades of impellers 53 along the runner in direction shown in curve 85 from the outlet of sencond stage impeller 52.
In Fig. 5 and Fig. 7, be positioned at the level Four sectional type pump housing 44 radial position that level Four impeller 54 exports and be evenly provided with the exhaust port 444 of more than 2 or 2, slag is starched and is entered final stage discharge port 445 along direction shown in curve 86 from the outlet of level Four impeller 54.
In Fig. 7 and Fig. 6, be positioned at the one-level sectional type pump housing 41 row's mouth that radial position that one stage impeller 51 exports is provided with two or more and go out 413, slag slurry enters the corresponding runner 424 arranged on the secondary sectional type pump housing 42 along the runner in direction shown in curve 87, and enters sencond stage impeller 52.
In the figure 7, be positioned at the exhaust port 433 radial position that three grades of impellers 53 export evenly being provided with more than 2 or 2 at three grades of sectional type pump housings 43, slag slurry enters corresponding setting level Four sectional type pump housing runner 443 along the direction shown in curve 88 from runner 433 enters level Four impeller 54.
In Fig. 5 and Fig. 7, main shaft 1 is provided with orifice sleeve 7, the secondary sectional type pump housing 42 is provided with fixed restriction cover 6.Orifice sleeve adopts the high-abrasive material manufactures such as cemented carbide genus or pottery, to resist strong abrasion.
Claims (5)
1. a Multi-stage slag-slurry pump, is made up of bearing portion assembly, main shaft, impeller, the sectional type pump housing, shaft seal assembly, it is characterized in that: impeller is combined by composite abrasion resistance material parts and metal parts; The sectional type pump housing is combined by composite abrasion resistance material parts and metal parts; The radial position being positioned at impeller outlet at the final stage sectional type pump housing is provided with the exhaust port of more than 2 or 2, described exhaust port is by being arranged on the flow passage final stage discharge port in final stage sectional type pump housing composite abrasion resistance material parts; The radial position being positioned at impeller outlet at the non-final stage sectional type pump housing is provided with the exhaust port of more than 2 or 2, described exhaust port is by being arranged on the suction port of the flow passage next stage impeller in described non-final stage sectional type pump housing composite abrasion resistance material parts; Be provided with even number impeller, wherein the suction port of half impeller points to bearing support assembly direction, the suction port bearing support assembly direction dorsad of another half impeller.
2. Multi-stage slag-slurry pump according to claim 1, is characterized in that: first order impeller relatively other impeller distance between bearing parts is nearest, and its suction port points to bearing portion assembly; Suction casing and shaft seal assembly is provided with between first order impeller and bearing portion assembly.
3. Multi-stage slag-slurry pump according to claim 2, is characterized in that: suction casing and the first order sectional type pump housing are manufactured into an entirety.
4. Multi-stage slag-slurry pump according to claim 1, it is characterized in that: be provided with pump cover, shaft seal assembly is disposed thereon, and pump cover is combined by composite abrasion resistance material parts and metal parts.
5. the Multi-stage slag-slurry pump according to any one of claim 1-4, is characterized in that: be provided with orifice sleeve or fixed restriction cover, and described orifice sleeve or fixed restriction cover are by cemented carbide or stupalith manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428660.5U CN204061201U (en) | 2014-07-27 | 2014-07-27 | Multi-stage slag-slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428660.5U CN204061201U (en) | 2014-07-27 | 2014-07-27 | Multi-stage slag-slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061201U true CN204061201U (en) | 2014-12-31 |
Family
ID=52202730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420428660.5U Expired - Lifetime CN204061201U (en) | 2014-07-27 | 2014-07-27 | Multi-stage slag-slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061201U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564695A (en) * | 2014-07-27 | 2015-04-29 | 肖琼 | Multistage slurry pump |
| CN108252927A (en) * | 2017-12-11 | 2018-07-06 | 安徽颐博思泵业有限责任公司 | Horizontal multi-stage pump |
-
2014
- 2014-07-27 CN CN201420428660.5U patent/CN204061201U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564695A (en) * | 2014-07-27 | 2015-04-29 | 肖琼 | Multistage slurry pump |
| CN108252927A (en) * | 2017-12-11 | 2018-07-06 | 安徽颐博思泵业有限责任公司 | Horizontal multi-stage pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGZHOU TOTALL FLUID EQUIPMENT TECHNOLOGY CO., L Free format text: FORMER OWNER: XIAO QIONG Effective date: 20150416 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 423000 CHENZHOU, HUNAN PROVINCE TO: 510115 GUANGZHOU, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150416 Address after: 510115, 302, 306 middle Liberation Road, Yuexiu District, Guangdong, Guangzhou, China, 304 rooms Patentee after: GUANGZHOU TOTALL FLUID EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 423000, B, building 601, National Middle Road, national day North Road, Chenzhou, Hunan Patentee before: Xiao Qiong |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180327 Address after: 510000 room 1204, West Block 238, six road, Yuexiu District, Guangdong, Guangzhou, Zhongshan Patentee after: GUANGZHOU TOTALL MATERIAL TECHNOLOGY Co.,Ltd. Address before: 510115, 302, 306 middle Liberation Road, Yuexiu District, Guangdong, Guangzhou, China, 304 rooms Patentee before: GUANGZHOU TOTALL FLUID EQUIPMENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |
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| CX01 | Expiry of patent term |