CN101666317A - Flow passage component of high-temperature high-pressure coal chemical industry - Google Patents
Flow passage component of high-temperature high-pressure coal chemical industry Download PDFInfo
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- CN101666317A CN101666317A CN200910176735A CN200910176735A CN101666317A CN 101666317 A CN101666317 A CN 101666317A CN 200910176735 A CN200910176735 A CN 200910176735A CN 200910176735 A CN200910176735 A CN 200910176735A CN 101666317 A CN101666317 A CN 101666317A
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- flow passage
- passage component
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Abstract
The invention relates to a flow passage component of a pump, in particular to a flow passage component of a high-temperature high-pressure coal chemical industry, belonging to the fluid machinery field. The flow passage component of the high-temperature high-pressure coal chemical industry comprises an impeller, a guide vane and a scaleboard; a female end of the scaleboard is located with a male end of an excircle surface of a large mouth end at right side of the guide vane in a matching way, a fastening screw penetrates through a cylindrical through hole to lead the guide vane and the scaleboard to be fixed on a pump cover, the impeller is arranged on a pump shaft and is arranged between the guide vane and the scaleboard. In the invention, the guide vane and the scaleboard are arranged ina pump body, the guide vane is used for protecting the pump body to reduce erosion wear of medium to the pump body, and the scaleboard can protect the pump cover to reduce abrasion of the medium to the pump cover. The flow passage component aims at overcoming the problems that a bearing pump body and the pump cover of the existing slurry pump are seriously wore at a circulating work station of aslurry tank, and the service life is short, thereby developing a new flow passage component of the high-temperature high-pressure coal chemical industry, improving the service life of the pump and reducing the maintenance cost of the pump.
Description
Technical field
The present invention relates to the flow passage components structure of pump, particularly a kind of flow passage component of high-temperature high-pressure coal chemical industry belongs to field of fluid machinery.
Background technique
Gasification is the guide and the key technology of Coal Chemical Industry development, and theoretically, any organic compound can the synthetic or extension by synthetic gas.Coal is by after being gasificated as synthetic gas, and synthetic gas can be as civilian, heating, generating or Chemical Manufacture.
At home in the Coal Chemical Industry industry, the coal gasifying process device mainly is with TEXACO (Texaco), SHELL and GSP technology are that the pressurized gasification technology of representative is used widely, and High Temperature High Pressure Coal Chemical Industry slag stock pump is the nucleus equipment in the pressurized gasification dreg removing system in the coal gasifying process device; Its stability in use directly influences the safe operation of whole device, because the medium of above station all has high solids, these characteristics of High Temperature High Pressure.Conventional slag stock pump flow passage components rapid wear, working life is shorter. as shown in Figure 1, comprising the pump housing 1, impeller 2, pump cover 3; The pump housing 1 is cast inblock, and the left end flange mouth is a pump intake, and the top flange mouth is a pump discharge, and the pump housing 1 inside is cast with into the runner of volute shape, and the pump housing 1 right-hand member is processed with cylindrical inner stopper; Impeller 2 is similarly cast inblock and forms, and comprises front shroud, blade, and back shroud is processed with a cylindrical hole in impeller 2 centers; Pump cover 3 is circular cast inblock structure, and rounded ends is processed with circular seam outside; In existing technology, impeller 2 is enclosed within on the pump shaft 4 by the center cylindrical hole, be positioned in the pump housing 1, pump cover 3 cooperates the location to be fitted together by seam with the pump housing 1 end inner stopper. because medium High Temperature High Pressure characteristic, and in order to obtain the high-wear resistance of material, in smelting process, pass through to improve the carbon content of material, make its hardness improve, thereby cause toughness of material to reduce, so intensity reduces. the pressure-bearing pump housing can not be selected the high-wear-resistant alloy material for use, and the strong abrasiveness of medium causes 1 heavy wear of the pressure-bearing pump housing, and hydraulic performance descends can not satisfy the operating mode demand.
Summary of the invention
The objective of the invention is to overcome the pressure-bearing pump housing and pump cover serious wear in slag bath circulation station of existing slag stock pump, the life-span is designed and developed out a kind of new High Temperature High Pressure slag stock pump flow passage components structure than problems such as weak points.The present invention adds stator and liner plate in pump housing the inside, stator can be used for protecting the pump housing, reduces the erosive wear of medium to the pump housing, and liner plate can be protected pump cover, reduces the wearing and tearing of the pump cover of medium.
The technological scheme that is adopted for achieving the above object: flow passage component of high-temperature high-pressure coal chemical industry, it comprises impeller, stator, liner plate; Peripheral unit comprises the pump housing, pump cover, pump shaft, carriage.What wherein stator adopted is that the wear-resistant metal material cast inblock forms, and stator is tapered horn-like, is cast with uniform diffusion runner on the stator, has the cylindrical hole that is used to locate between uniform diffusion runner; Be processed with on the horn mouth of stator left side and be used for and pump housing seam matched cylindrical outer stopper; Stator right side big opening end outer round surface is processed with and is used for the outer stopper that cooperates with liner plate; For having good solid particle passing capacity, the structure of impeller adopts open type; Unimpeded for guaranteeing that medium flows at stator diffusion runner exit place, discoid liner plate periphery has and the corresponding little gap of stator diffusion runner; Little gap periphery projection is the inner stopper that cooperates with stator; Be evenly equipped with the cylindrical hole that is used to locate on the liner plate end face equally, center, liner plate right side projection is the outer stopper that cooperates with pump cover.
Connecting relation between them is: the inner stopper of liner plate cooperates the location with outer stopper on the big opening end periphery of stator right side, passing cylindrical hole by Cock screw is fixed on stator, liner plate on the pump cover, impeller is installed on the pump shaft, and impeller is between stator and liner plate.
They with the peripheral unit connecting relation are: the cylindrical outer stopper on the horn mouth of stator left side cooperates the location with pump housing inner stopper; Impeller is installed on the pump shaft, between stator and liner plate; The outer stopper at liner plate center cooperates the location with pump cover; Stator and liner plate pass cylindrical hole by Cock screw stator and liner plate are fixed on the pump cover; Pump cover is fixed on the carriage by pump cover locking double-screw bolt; By the pump housing locking double-screw bolt carriage is locked on the pump housing.
Working procedure of the present invention: medium is sucked by pump housing import, the impeller of flowing through, after the effect through the impeller rotary centrifugal force, medium throws away the diffusion runner that enters stator from impeller outlet, after the effect of diffusion runner, the flowing velocity of medium is reduced, and has reduced medium to the effect of pump housing erosive wear; Stator diffusion runner is uniform in a circumferential direction in addition, makes that medium mobile in each diffusion runner is uniformly, thereby reaches the purpose of balance radial force.Between impeller and pump cover,, the wearing and tearing of medium have been reduced to pump cover because the protection of liner plate has been arranged.The medium that flows out from the diffusion runner enters the delivery chamber of pump, discharges from pump housing outlet at last.
Beneficial effect:
1, after employing pump housing inside adds the structure of stator, because stator does not bear very big pressure, so stator can be selected the high-abrasive material manufacturing for use;
2, after employing pump housing inside adds the structure of stator, after stator upper runner diffusion, the velocity of medium reduction that flows into the pump housing is more, thereby has alleviated medium to the effect of pump housing erosive wear, so the pump housing can select for use high strength alloy to bear the effect of medium High Temperature High Pressure;
3, after employing pump housing inside adds the structure of stator, when the pump size is big, have bigger radial force, because the existence of stator is arranged, most of radial force can be eliminated, this is useful to the vibration that alleviates pump;
4, adopting the structure that adds liner plate behind the impeller is in order to protect pump cover to exempt from the erosive wear effect of medium, the protection of liner plate has been arranged after, pump cover can select for use the high strength alloy material to bear the effect of medium High Temperature High Pressure;
5, adopt unshrouded impeller, strengthened solid particle passing capacity in the medium, prevent that impeller is stuck.
Description of drawings
Fig. 1 is existing pump flow passage components assembly structure figure;
Fig. 2 is a pump flow passage components assembly structure figure of the present invention;
Fig. 3 is pump stator of the present invention and liner plate assembling partial enlarged drawing;
Fig. 4 is a stator plan view of the present invention;
Fig. 5 is a stator left view of the present invention;
Fig. 6 is an impeller plan view of the present invention;
Fig. 7 is an impeller left view of the present invention;
Fig. 8 is a liner plate plan view of the present invention;
Fig. 9 is a liner plate left view of the present invention;
Wherein: the 1-pump housing, 2-impeller, 3-pump cover, 4-pump shaft, 5-carriage, 6-pump cover locking double-screw bolt, 7-pump housing locking double-screw bolt, 8-stator, 9-liner plate, 10-Cock screw.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 2, flow passage component of high-temperature high-pressure coal chemical industry of the present invention, it comprises impeller 2, stator 8, liner plate 9; Peripheral unit comprises the pump housing 1, pump cover 3, pump shaft 4, carriage 5, pump cover locking double-screw bolt 6 and pump housing locking double-screw bolt 7; Wherein: stator 8 structures such as Fig. 4, shown in Figure 5, stator 8 is to adopt the wear-resistant metal material cast inblock to form, stator 8 is tapered horn-like, is cast with five uniform diffusion runners on the stator 8, has the cylindrical hole that is used to locate between five uniform diffusion runners; Be processed with on the stator 8 left side horn mouths and be used for and the pump housing 1 seam matched cylindrical outer stopper; Stator 8 right side big opening end outer round surface are processed with and are used for the outer stopper that cooperates with liner plate 9; Impeller 2 structures such as Fig. 6, shown in Figure 7, for having good solid particle passing capacity, the structure of impeller 2 adopts open type; Liner plate 9 structures such as Fig. 8, shown in Figure 9, unimpeded for guaranteeing that medium flows at stator 8 diffusion runner exit places, discoid liner plate 9 peripheries have five little gap; Gap periphery projection is the inner stopper that cooperates with stator 8; Be evenly equipped with five cylindrical holes that are used to locate on liner plate 9 end faces equally, center, liner plate 9 right side projection is the outer stopper that cooperates with pump cover 3.
Connecting relation between them is: the inner stopper of liner plate 9 cooperates the location with outer stopper on the stator 8 right side big opening end peripheries, passing cylindrical hole by five Cock screws is fixed on stator 8, liner plate 9 on the pump cover 3, impeller 2 is installed on the pump shaft, and impeller 2 is between stator 8 and liner plate 9.
They with the peripheral unit connecting relation are: the cylindrical outer stopper on the stator 8 left side horn mouths cooperates the location with the pump housing 1 inner stopper; Impeller 2 is installed on the pump shaft 4, between stator 8 and liner plate 9; The outer stopper at liner plate 9 centers cooperates the location with pump cover 3; Stator 8 and liner plate 9 pass cylindrical hole by five Cock screws 10 stator 8 and liner plate 9 are fixed on the pump cover 3; Pump cover 3 is fixed on the carriage 5 by pump cover locking double-screw bolt 6; By pump housing locking double-screw bolt 7 carriage 5 is locked on the pump housing 1.
Working procedure of the present invention: medium is sucked by the pump housing 1 import, the impeller 2 of flowing through, after the effect through impeller 2 rotary centrifugal forces, medium throws away the diffusion runner that enters stator 8 from impeller 2 outlets, after the effect of diffusion runner, the flowing velocity of medium is reduced, and has reduced medium to the pump housing 1 erosive wear effect; Stator 8 diffusion runners are uniform in a circumferential direction in addition, make that medium mobile in each diffusion runner is uniformly, thereby reach the purpose of balance radial force.Between impeller 2 and pump cover 3,, the wearing and tearing of medium have been reduced to pump cover 3 because the protection of liner plate 9 has been arranged.The medium that flows out from the diffusion runner enters the delivery chamber of pump, discharges from the pump housing 1 outlet at last.
Claims (5)
1, flow passage component of high-temperature high-pressure coal chemical industry, it comprises impeller (2), stator (8), liner plate (9); Peripheral unit comprises the pump housing (1), pump cover (3), pump shaft (4), carriage (5), pump cover locking double-screw bolt (6) and pump housing locking double-screw bolt (7); It is characterized in that: what stator (8) adopted is that the wear-resistant metal material cast inblock forms, and stator (8) is tapered horn-like, is cast with uniform diffusion runner on the stator (8), has the cylindrical hole that is used to locate between uniform diffusion runner; Be processed with on the horn mouth of stator (8) left side and be used for and the pump housing (1) seam matched cylindrical outer stopper; Stator (8) right side big opening end outer round surface is processed with and is used for the outer stopper that cooperates with liner plate (9); Unimpeded for guaranteeing that medium flows at stator (8) diffusion runner exit place, discoid liner plate (9) periphery has and the corresponding little gap of stator (8) diffusion runner; Little gap periphery projection is the inner stopper that cooperates with stator (8); Be evenly equipped with the cylindrical hole that is used to locate equally on liner plate (9) end face, liner plate (9) center, right side projection is the outer stopper that cooperates with pump cover (3);
Connecting relation between them is: the inner stopper of liner plate (9) cooperates the location with outer stopper on the big opening end periphery of stator (8) right side, passing cylindrical hole by Cock screw (10) is fixed on stator (8) and liner plate (9) on the pump cover (3), impeller (2) is installed on the pump shaft (4), and impeller (2) is positioned between stator (8) and the liner plate (9);
They with the peripheral unit connecting relation are: the cylindrical outer stopper on the horn mouth of stator (8) left side cooperates the location with the pump housing (1) inner stopper; Impeller (2) is installed on the pump shaft (4), is positioned between stator (8) and the liner plate (9); The outer stopper at liner plate (9) center cooperates the location with pump cover (3); Stator (8) and liner plate (9) pass cylindrical hole by Cock screw (10) stator (8) and liner plate (9) are fixed on the pump cover (3); Pump cover (3) is fixed on the carriage (5) by pump cover locking double-screw bolt (6); By pump housing locking double-screw bolt (7) carriage (5) is locked on the pump housing (1).
2, flow passage component of high-temperature high-pressure coal chemical industry according to claim 1 is characterized in that: for having good solid particle passing capacity, the structure of impeller (2) adopts open type.
3, flow passage component of high-temperature high-pressure coal chemical industry according to claim 1 is characterized in that: be cast with five uniform diffusion runners on the stator (8).
4, flow passage component of high-temperature high-pressure coal chemical industry according to claim 1 is characterized in that: discoid liner plate (9) periphery has five little gap.
5, flow passage component of high-temperature high-pressure coal chemical industry according to claim 1 is characterized in that: stator (8) can also be used for the most of radial force of balance, the vibration that alleviates pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101767359A CN101666317B (en) | 2009-09-18 | 2009-09-18 | Flow passage component of high-temperature high-pressure coal chemical industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101767359A CN101666317B (en) | 2009-09-18 | 2009-09-18 | Flow passage component of high-temperature high-pressure coal chemical industry |
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| Publication Number | Publication Date |
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| CN101666317A true CN101666317A (en) | 2010-03-10 |
| CN101666317B CN101666317B (en) | 2011-01-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649915A (en) * | 2011-02-28 | 2012-08-29 | 通用电气公司 | Pump used in gasification device and method for enhancing abrasive resistance of pump |
| CN104454654A (en) * | 2014-11-20 | 2015-03-25 | 辽宁长志泵业有限公司 | High-temperature and high-pressure abrasion-resisting pump |
| CN105201903A (en) * | 2015-10-16 | 2015-12-30 | 江苏大学 | Centrifugal pump |
| CN106438457A (en) * | 2016-10-28 | 2017-02-22 | 福斯流体控制（苏州）有限公司 | Half-opened impeller and low-flow super high-lift multiple-stage centrifugal pump with same |
| CN103484165B (en) * | 2012-06-07 | 2019-05-14 | 通用电气公司 | System and method for slurry processing |
| CN112879307A (en) * | 2020-03-31 | 2021-06-01 | 温岭市高深泵业科技有限公司 | Single-stage external member of partial flow pump and multistage partial flow pump thereof |
| CN116811088A (en) * | 2023-08-31 | 2023-09-29 | 成都永益泵业股份有限公司 | Carbon fiber composite material, forming process and pump overcurrent component |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2062102B (en) * | 1979-10-29 | 1984-03-14 | Rockwell International Corp | Centrifugal pump and turbine |
| ZA806718B (en) * | 1979-12-26 | 1981-11-25 | Rockwell International Corp | Rotating diffuser for slurry pumps |
| CN2637782Y (en) * | 2003-08-01 | 2004-09-01 | 江苏双达泵阀制造有限公司 | Centrifugal pump for chemical industry |
| CN200968320Y (en) * | 2006-10-30 | 2007-10-31 | 江苏双达泵阀集团有限公司 | High pressure wear resistant centrifugal pump |
| CN201013667Y (en) * | 2006-11-09 | 2008-01-30 | 北京航天石化技术装备工程公司 | Chemical centrifugal pump |
| CN201297287Y (en) * | 2008-09-18 | 2009-08-26 | 北京航天石化技术装备工程公司 | Centrifugal pump applicable to high-temperature and high-solidifying point media |
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2009
- 2009-09-18 CN CN2009101767359A patent/CN101666317B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649915A (en) * | 2011-02-28 | 2012-08-29 | 通用电气公司 | Pump used in gasification device and method for enhancing abrasive resistance of pump |
| CN102649915B (en) * | 2011-02-28 | 2015-08-26 | 通用电气公司 | The method of the wear resistance of the pump used in gasification installation and this pump |
| US9909217B2 (en) | 2011-02-28 | 2018-03-06 | General Electric Company | Pump used in gasification system |
| CN103484165B (en) * | 2012-06-07 | 2019-05-14 | 通用电气公司 | System and method for slurry processing |
| CN104454654A (en) * | 2014-11-20 | 2015-03-25 | 辽宁长志泵业有限公司 | High-temperature and high-pressure abrasion-resisting pump |
| CN105201903A (en) * | 2015-10-16 | 2015-12-30 | 江苏大学 | Centrifugal pump |
| CN106438457A (en) * | 2016-10-28 | 2017-02-22 | 福斯流体控制（苏州）有限公司 | Half-opened impeller and low-flow super high-lift multiple-stage centrifugal pump with same |
| CN112879307A (en) * | 2020-03-31 | 2021-06-01 | 温岭市高深泵业科技有限公司 | Single-stage external member of partial flow pump and multistage partial flow pump thereof |
| CN116811088A (en) * | 2023-08-31 | 2023-09-29 | 成都永益泵业股份有限公司 | Carbon fiber composite material, forming process and pump overcurrent component |
| CN116811088B (en) * | 2023-08-31 | 2023-11-17 | 成都永益泵业股份有限公司 | Carbon fiber composite material, forming process and pump overcurrent component |
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| CN101666317B (en) | 2011-01-05 |
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