CN2713186Y - Dreg slurry pump - Google Patents
Dreg slurry pump Download PDFInfo
- Publication number
- CN2713186Y CN2713186Y CN 200420062289 CN200420062289U CN2713186Y CN 2713186 Y CN2713186 Y CN 2713186Y CN 200420062289 CN200420062289 CN 200420062289 CN 200420062289 U CN200420062289 U CN 200420062289U CN 2713186 Y CN2713186 Y CN 2713186Y
- Authority
- CN
- China
- Prior art keywords
- impeller
- slag stock
- stock pump
- sheath
- pump
- 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 - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an efficient dreg slurry pump. The dreg slurry pump is especially suitable for the conveying of the solid-liquid diphase fluid of the coal and is also suitable for the conveying of the solid-liquid diphase fluid of the electric power, the metallurgy, the chemical engineering, and the building. The dreg slurry pump adopts the multi-phase flow theory and the similar circular arc compound molded line, the shape of the sheath adopts the quasi-helix molded line, and the blade shape of the impeller adopts the multi-phase flow hydraulic model line. Therefore, the shape of the inner cavity of the overflowing member completely conforms to the compound motion locus of the multi-phase medium and also adopts the double mechanical seal and the combined seal of the auxiliary impeller. The bearing assembly arranged on the drive axle of the impeller comprises a cylindrical roller bearing and an angular contact ball bearing, and then the energy of the pump body can be converted sufficiently and the friction force is reduced to the lowest. Therefore, the problem of sealing is thoroughly solved, and the conveying efficiency of the dreg slurry is high. The top lift head of the pump can reach 101. 6 meters, and the flow quantity is 90-1800 cubic meter per hour. The dreg slurry pump has compact and reasonable structure, long service life of sealing, no leakage, high production efficiency, small noise, stable operation, low oscillation, and wide practicability.
Description
One, technical field
The utility model relates to a kind of efficient slag stock pump, is particularly useful for the conveying of coal two-phase solid-liquid fluid, also is applicable to the conveying of the two-phase solid-liquid fluid of industries such as electric power, metallurgy, chemical industry and building.
Two, background technique
The slag stock pump is as a kind of equipment for liquid transportation, be mainly used in the conveying that coal, electric power, metallurgy, non-ferrous metal, power plant remove lime-ash, mining, municipal engineering, line transportation, petrochemical industry, adopt the two-phase solid-liquid fluid of industries such as salt engineering and building, along with the develop rapidly of Chinese national economy, the market demand of slag stock pump constantly increases.But slag stock pump product ubiquity axle leak sealing water, the sealing effect of domestic production at present are not good, and then cause a series of problems such as the efficient of pump and reduction in working life.Build parts axle Feng Eryan as the pass of slag stock pump, the quality of axle envelope directly has influence on the leakage of slag stock pump.Leak not only befouling environment, shorten the working life of bearing, and bring problems such as an envelope axle sleeve serious wear, make that the repair cycle of slag stock pump is short, restricted application and the development of slag stock pump in all trades and professions, caused the very big waste of manpower and materials, slag stock pump shaft sealing leakage has become a worldwide generally acknowledged difficult problem.The whole nation has nearly ten thousand at the slag stock pump of operation at present, and annual project begun newly and renewal need nearly ten thousand.Because the shaft sealing leakage befouling environment of pump jeopardizes bearing, problems such as packing serious wear cause the maintenance of pump frequent, have also wasted great amount of manpower and material resources simultaneously, and average maintenance workload costs and reaches 20,000 yuan/platform.
Three, summary of the invention
In view of the deficiency that prior art exists, the purpose of this utility model provide a kind of rational in infrastructure, the axle envelope is effective, do not have leak, the efficient slag stock pump of long service life.
A kind of efficient slag stock pump of the utility model, it comprises sheath, pump cover, apron plate, back backplate, carriage, be located at the impeller shaft on the carriage, slag stock pump body and be located at impeller in the slag stock pump body, impeller is located at the head of transmission shaft, the described sheath shape spirality molded lines that is as the criterion, the blade shape of impeller is a multiphase flow hydraulic model line, impeller shaft near the impeller inboard is provided with sub-propeller and decompression lid, and the diameter ratio of impeller and sub-propeller is 0.7, and the decompression lid outside is provided with mechanical sealing assembly; Impeller shaft is provided with the bearing unit that is made of roller bearing and angular contact ball bearing, and bearing unit is arranged on the arc carriage of orientating big semicircle as by spacer ring; Sheath is provided with suspension ring, the top of mechanical sealing assembly is provided with water tank, water tank is provided with two circulating pipes that are communicated with mechanical sealing assembly, and the place of being located by connecting between described apron plate and back backplate and sheath and the pump cover is the right angle, and the joint, right angle is provided with seal ring.
A kind of efficient slag stock pump of the utility model, described mechanical sealing assembly is the double mechanical seal assembly, and it is made up of stationary ring, rotating ring, spring and axle sleeve that the order of symmetry is enclosed within on the transmission shaft, and stationary ring is separately fixed on decompression lid and the sealed water jacket; Described angular contact ball bearing is made up of two ball bearings, and ball bearing is provided with face-to-face, is provided with lubricating cup between two bearings; Described sheath, apron plate, impeller and back backplate adopt high abrasive-resistant material KmTBCr15Mo3Ti to manufacture; The whole span of described carriage increases 1/3.
A kind of efficient slag stock pump of the utility model is mainly used in coal, metallurgy, non-ferrous metal, power plant and removes lime-ash, mining, also can be used for municipal engineering line transportation, petrochemical industry, adopts industry such as salt engineering.Start with from alleviating sealing load, employing multiphase flow theory, the compound molded lines of class circular arc, make the cavity shape of flow passage part meet the compound motion track of multiphase medium fully, the sheath shape adopts similar spiral shape molded lines, the blade shape of impeller adopts multiphase flow hydraulic model line, and adopt double mechanical seal to add the sub-propeller combined labyrinth and carbon gland, the diameter ratio of design main impeller and sub-propeller is 0.7, and the bearing unit that is provided with on the impeller shaft is made of roller bearing and angular contact ball bearing, compared with prior art, average hardness was brought up to HRc65 by HRc60 after flow passage part quenched, improve 20～30% wear-life, the energy of the pump housing is able to abundant conversion, and its frictional force drops to minimum, thoroughly solved sealing problem, carry slag slurry efficient height, the most high-lift of pump reaches 101.6 meters, flow 90-1800 cubic meter/hour.Its compact structure is reasonable, and the sealing long service life do not have to be leaked, the manufacturing efficiency height, and noise is little, and is stable, vibrates lowly, has practicability widely.
Four, description of drawings
Accompanying drawing is the utility model structural drawing.
Five, embodiment
Below in conjunction with accompanying drawing an embodiment of the present utility model is further described:
A kind of efficient slag stock pump of the utility model, it mainly is made up of slag stock pump body 7, transmitting assemblies and cooling water tank 18, and slag stock pump body 7 is by sheath 1, front and back pump cover 2, apron plate 3, back backplate 6 is formed, and is equipped with suspension ring on the front and back pump cover 2.Sheath 1 is shaped as similar spiral shape molded lines, be provided with impeller 4 and sub-propeller 5 in the slag stock pump body 7, impeller 4 is located at the head of transmission shaft 14, its blade shape is a multiphase flow hydraulic model line, sub-propeller 5 is located near on the transmission shaft 14 after the back backplate 6 of impeller 4 inboards, and the diameter ratio of impeller 4 and sub-propeller 5 is 0.7.The decompression lid 9 that is fixed on the rear pump cover is housed after the sub-propeller 5, is provided with mechanical sealing assembly 10 after decompression covers 9, form double mechanical seal and add the sub-propeller combination seal.Double mechanical seal assembly 10 is made up of stationary ring, rotating ring, spring and axle sleeve that the order of symmetry is enclosed within on the transmission shaft 14, stationary ring be separately fixed at decompression cover 9 and sealed water jacket 19 on.Impeller shaft 14 is provided with bearing unit 13, and bearing unit 13 mainly is made of roller bearing 18 and angular contact ball bearing 15, and bearing unit 13 is arranged on the arc carriage 11 of orientating big semicircle as by spacer ring 17; Sheath 1 is provided with suspension ring 21, and the top of mechanical sealing assembly 10 is provided with cooling water tank 20, and cooling water tank 20 is provided with two circulating pipes that are communicated with mechanical sealing assembly 10.The place of being located by connecting between apron plate 3 and back backplate 6 and sheath 1 and the pump cover is the right angle, and the joint, right angle is provided with the leakproof seal circle.Angular contact ball bearing 15 is made up of two ball bearings, and ball bearing is provided with face-to-face, is provided with between two bearings and injects lubricated lubricating cup 15.Sheath 1, apron plate 3, impeller 4 and back backplate 6 flow passage parts adopt high abrasive-resistant material KmTBCr15Mo3Ti to manufacture, the big raising of its hardness.The whole span of carriage 11 increases 1/3, and its column can be four, also can be six, and carriage 11 is provided with the adjustment bolt 12 of adjusting its position.
Claims (5)
1. efficient slag stock pump, it comprises sheath (1), pump cover (2), apron plate (3), back backplate (6), carriage (11), be located at the impeller shaft (14) on the carriage (11), slag stock pump body (7) and be located at impeller (4) in the slag stock pump body (7), impeller (4) is located at the head of transmission shaft (14), it is characterized in that: described sheath (1) is shaped as similar spiral shape molded lines, the blade shape of impeller (4) is a multiphase flow hydraulic model line, be provided with sub-propeller (5) and decompression lid (9) near the inboard impeller shaft (14) of impeller (4), the diameter ratio of impeller (4) and sub-propeller (5) is 0.7, and decompression lid (9) outside is provided with mechanical sealing assembly (10); Impeller shaft (14) is provided with the bearing unit (13) that is made of roller bearing (18) and angular contact ball bearing (15), and bearing unit (13) is arranged on the arc carriage (11) of orientating big semicircle as by spacer ring (17); Sheath (1) is provided with suspension ring (21), the top of mechanical sealing assembly (10) is provided with cooling water tank (20), cooling water tank (20) is provided with two circulating pipes that are communicated with mechanical sealing assembly (10), the place of being located by connecting between described apron plate (3) and back backplate (6) and sheath (1) and the pump cover is the right angle, and the joint, right angle is provided with seal ring.
2. a kind of efficient slag stock pump according to claim 1, it is characterized in that: described mechanical sealing assembly (10) is the double mechanical seal assembly, it is made up of stationary ring, rotating ring, spring and axle sleeve that the order of symmetry is enclosed within on the transmission shaft (14), and stationary ring is separately fixed on decompression lid (9) and the sealed water jacket (19).
3. a kind of efficient slag stock pump according to claim 1, it is characterized in that: described angular contact ball bearing (15) is made up of two ball bearings, and ball bearing is provided with face-to-face, is provided with lubricating cup (16) between two bearings.
4. a kind of efficient slag stock pump according to claim 1 is characterized in that: described sheath (1), apron plate (3), impeller (4) and back backplate (6) adopt high abrasive-resistant material KmTBCr15Mo3Ti to manufacture.
5. a kind of efficient slag stock pump according to claim 1 is characterized in that: the whole span of described carriage (11) increases 1/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420062289 CN2713186Y (en) | 2004-06-26 | 2004-06-26 | Dreg slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420062289 CN2713186Y (en) | 2004-06-26 | 2004-06-26 | Dreg slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2713186Y true CN2713186Y (en) | 2005-07-27 |
Family
ID=34873150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420062289 Expired - Fee Related CN2713186Y (en) | 2004-06-26 | 2004-06-26 | Dreg slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2713186Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534140A (en) * | 2012-02-15 | 2012-07-04 | 陈潜 | Method for treating flow passage component of titanium alloy slurry pump and titanium alloy slurry pump |
| CN102588321A (en) * | 2012-02-23 | 2012-07-18 | 肖琼 | Wear-resisting pump body and pump cover |
| CN104358692A (en) * | 2014-10-29 | 2015-02-18 | 安徽三联泵业股份有限公司 | Slurry pump for swirler for preventing impurity in pump from impacting vane wheel |
| CN104358706A (en) * | 2014-10-29 | 2015-02-18 | 安徽三联泵业股份有限公司 | Slurry pump for cyclone |
| CN105840522A (en) * | 2016-03-28 | 2016-08-10 | 华北水利水电大学 | Slurry pump for building construction |
| CN108223423A (en) * | 2017-12-21 | 2018-06-29 | 江苏双轮泵业机械制造有限公司 | A kind of Pulp pump of high leakproofness |
| CN111561453A (en) * | 2020-05-11 | 2020-08-21 | 山东省章丘鼓风机股份有限公司 | Permanent magnet direct-drive slurry pump with water-cooling circulation structure |
-
2004
- 2004-06-26 CN CN 200420062289 patent/CN2713186Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534140A (en) * | 2012-02-15 | 2012-07-04 | 陈潜 | Method for treating flow passage component of titanium alloy slurry pump and titanium alloy slurry pump |
| CN102588321A (en) * | 2012-02-23 | 2012-07-18 | 肖琼 | Wear-resisting pump body and pump cover |
| CN104358692A (en) * | 2014-10-29 | 2015-02-18 | 安徽三联泵业股份有限公司 | Slurry pump for swirler for preventing impurity in pump from impacting vane wheel |
| CN104358706A (en) * | 2014-10-29 | 2015-02-18 | 安徽三联泵业股份有限公司 | Slurry pump for cyclone |
| CN105840522A (en) * | 2016-03-28 | 2016-08-10 | 华北水利水电大学 | Slurry pump for building construction |
| CN108223423A (en) * | 2017-12-21 | 2018-06-29 | 江苏双轮泵业机械制造有限公司 | A kind of Pulp pump of high leakproofness |
| CN111561453A (en) * | 2020-05-11 | 2020-08-21 | 山东省章丘鼓风机股份有限公司 | Permanent magnet direct-drive slurry pump with water-cooling circulation structure |
| CN111561453B (en) * | 2020-05-11 | 2022-05-27 | 山东省章丘鼓风机股份有限公司 | Permanent magnet direct-drive slurry pump with water-cooling circulation structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203784305U (en) | Shaft end sealing structure of stirring shaft of disc type vacuum filter | |
| CN202149066U (en) | High temperature-resistant high pressure-resistant wear-resisting and corrosion-resisting centrifugal pump | |
| CN2713186Y (en) | Dreg slurry pump | |
| CN105065276A (en) | Combined type sealing device of dry screw vacuum pump | |
| CN201110276Y (en) | Helical no-leakage seal pump | |
| CN201129315Y (en) | Ultra-high pressure anti-scaling mechanical sealing device | |
| CN201521451U (en) | Slurry pump | |
| CN201106565Y (en) | High-temperature high sundry-ratio centrifugal type coal liquid pump | |
| CN101270756A (en) | Helical leak-free seal pump | |
| CN201412620Y (en) | Floating sealed high-speed high-pressure rotary joint | |
| CN204755967U (en) | Board welds formula plate valve | |
| CN101446297A (en) | Two-stage axial flow fan bearing device | |
| CN204591687U (en) | A kind of anticorrosive anti-wear lime pump | |
| CN202228418U (en) | Novel chemical process pump | |
| CN207377809U (en) | A kind of side goes out radial direction subdivision double suction centrifugal pump into side | |
| CN202483924U (en) | Vertical nitrogen gas-seal cooling magnetic fluid slurry feeding pump | |
| CN202149237U (en) | Dual-plate valve for material transportation | |
| CN201991785U (en) | Double-impeller slurry pump | |
| CN202883457U (en) | Anti-corrosion and wear-resisting mechanical sealing device | |
| CN201858378U (en) | Metal seal mud valve | |
| CN201126015Y (en) | Fluid kinetic pressure type seal machine for kettle | |
| CN220850108U (en) | Improved shaft sleeve of corrosion-resistant water ring vacuum pump | |
| CN201753700U (en) | Centrifugal pump sealing device | |
| CN204226445U (en) | A kind of axle sleeve adopting pin to connect | |
| CN203730954U (en) | Ball mill feeding seal device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |