CN200964970Y - Rubber-lined limestone slurry circulation pump - Google Patents
Rubber-lined limestone slurry circulation pump Download PDFInfo
- Publication number
- CN200964970Y CN200964970Y CN 200620052387 CN200620052387U CN200964970Y CN 200964970 Y CN200964970 Y CN 200964970Y CN 200620052387 CN200620052387 CN 200620052387 CN 200620052387 U CN200620052387 U CN 200620052387U CN 200964970 Y CN200964970 Y CN 200964970Y
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- CN
- China
- Prior art keywords
- rubber
- pump
- pump housing
- line
- lime stone
- 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
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Abstract
The utility model discloses a rubber lining limestone serum circulation pump which includes a pump body, a mainshaft (1), an impeller (17) and a bearing component; the pump body is formed by the connection of a front pump body (13) and a rear pump body (10) by a fastener; the front pump body is provided with a front pump cover (16); the rear pump body is provided with a rear pump cover (8); a rubber front protective sleeve (14) and a rubber rear protective sleeve (11) are respectively arranged on the front pump body (13) and the rear pump body (10); a rubber protective plate (18) is arranged on the rear pump cover (8). The utility model rubber lining limestone serum circulation pump has low manufacturing cost and good performance, is corrosion-proof, runs reliably, is convenient to maintain, is widely applied to transmit the limestone-plaster serum in smoke desulfurization system.
Description
Technical field
The utility model relates to a kind of recycle pump, particularly relates to the line with rubber lime stone slurry recycle pump that uses in a kind of flue gas desulphurization system.
Background technique
A large amount of dischargings of sulfur dioxide are the main causes that causes pollution of atmosphere.Flue gas desulfurization is the main method that reduces thermal power plant and the sulfur dioxide (SO2) emissions of large-scale coal-fired enterprise.Large-scale slurry circulating pump is the key equipment in flue gas desulfurization (the being called for short FGD) system, and China is dependence on import always.Though aspect production domesticization, done a lot of work in recent years, designed and developed the full-metallic slurry circulating pump, the wear and corrosion behavior of metal is not as rubber, and the manufacture cost height, and maintenance cost is big.Therefore, develop large-scale line with rubber slurry circulating pump and have good application prospects.
The model utility content
Technical problem to be solved in the utility model provides and a kind ofly is used for that flue gas desulphurization system is carried the wear-and corrosion-resistant of limestone-gypsum slurries, operated steadily, line with rubber lime stone slurry recycle pump easy to maintenance.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of line with rubber lime stone slurry recycle pump, comprise the pump housing, main shaft, impeller and bearing unit, the described pump housing is formed by connecting with fastening piece by the preceding pump housing and the back pump housing, the pump housing is equipped with front pump cover before described, the described back pump housing is equipped with rear pump cover, and sheath is installed in respectively on the described preceding pump housing and the back pump housing behind preceding sheath of rubber and the rubber, and the rubber backplate is installed on the described rear pump cover.
Before the described rubber behind sheath and the rubber sheath be lined with first metal frame, second metal frame and the 3rd metal frame in respectively, respectively by built-in first socket head screw and second socket head screw and first double-screw bolt and second double-screw bolt be fixed on described before on the pump housing and the back pump housing and the rear pump cover.
Sheath and rubber backplate are the mold pressing natural rubber behind the preceding sheath of described rubber, the rubber.
Described bearing unit supports for the bracket type bearing unit, and it is made up of bearing support, carriage, support, roller bearing and tapered roller bearing, and the pump end adopts roller bearing, and drive end adopts tapered roller bearing.
Lower margin support and back lower margin supported before the pump housing and the back pump housing were respectively equipped with before described.
Backplate is provided with the lip seal pad.
Adopt the line with rubber lime stone slurry recycle pump of technique scheme, pump is horizontal, single-stage, single suction, cantilever type centrifugal pump.The described pump housing is formed by connecting with fastening piece by the preceding pump housing and the back pump housing, and the described preceding pump housing is equipped with front pump cover, and the described back pump housing is equipped with rear pump cover, and the rear opening structure is easy to maintenance; Pump housing vertical centering control leaves, line with rubber formula duplex shell structure, and two lower margins support.Shell is a spheroidal graphite cast iron, and liner is mold pressing natural rubber sheath and backplate, and natural rubber has good wear resistance and corrosion resistance, is optimal material in the desulphurization system, and low price.The bracket type bearing unit, the pump end adopts roller bearing, and drive end adopts tapered roller bearing.The heavy duty design, reliable.Impeller and front pump cover adopt the high chromium two-phase stainless white cast iron that aims at the FGD process exploitation.
In sum, the utility model be a kind ofly be used for that flue gas desulphurization system carries the cost of limestone-gypsum slurries low, function admirable, wear-and corrosion-resistant, operate steadily, line with rubber lime stone slurry recycle pump easy to maintenance.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is an A place enlarged view among Fig. 1;
Fig. 3 is a B place enlarged view among Fig. 1;
Fig. 4 is a C place enlarged view among Fig. 1.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the preceding pump housing 13 and 12 tensions of the back pump housing 10 usefulness bolts, lower margin support 26 supported 27 with the back lower margin before the preceding pump housing 13 and the back pump housing 10 were respectively equipped with, the preceding pump housing 13 is equipped with front pump cover 16, the back pump housing 10 is equipped with rear pump cover 8, be lined with first metal frame 22 in sheath 11 and the mold pressing natural rubber backplate 18 behind preceding sheath 14 of mold pressing natural rubber and the mold pressing natural rubber, second metal frame 24 and the 3rd metal frame 20 are before being fixed on by built-in first socket head screw 15 and second socket head screw 21 and first double-screw bolt 25 and second double-screw bolt 9 respectively on the pump housing 13 and the back pump housing 10 and the rear pump cover 8.Mold pressing natural rubber backplate 18 is provided with lip seal pad 31.The pumping chamber of sheath 11, backplate 18 and front pump cover 16 formation pumps behind sheath 14, the mold pressing natural rubber before the mold pressing natural rubber, impeller 17 is in the pump housing, is connected transferring power by screw thread with main shaft 1.Axle sleeve 19 is housed on the main shaft 1, the special-purpose integrated mechanical sealing 7 of desulfurization is housed on the axle sleeve 19, stripping ring 6 is equipped with in the axle sleeve back.Whole rotor supports by the bracket type bearing unit, and it is by bearing support 4, carriage 2, and support 28, roller bearing 5 and tapered roller bearing 3 are formed, and the pump end adopts roller bearing 5, and drive end adopts tapered roller bearing 3.Carriage 2 is installed on the rear pump cover 8 by double-screw bolt 29, can change the position of impeller 17 in the pump housing by adjusting screw rod 30.
The model machine of pressing such scheme trial-production after tested, performance parameter is Q=5300m
3/ h, H=25.5m, η=87%.
This large-scale line with rubber slurry circulating pump is compared with other slurry circulating pump, has following advantage:
1, adopt Double-casing line with rubber structure, than all-metal pump cost more than 20%, And rubber is than metal abrasion-proof corrosion-proof more.
2, impeller does not take to reduce the axial force balance mode of pump efficiency, but Take heavy-duty bearing to bear, pump efficiency is high 2～3 percentage points than the all-metal pump.
3, rubber sleeve is taked compression molding, the inner liner metal skeleton, and multiple spot is fixed, no Easily come off.
The utility model limestone slurry circulating pump of line with rubber cost is low, function admirable, Wear-and corrosion-resistant, operate steadily, easy to maintenance, be widely used in flue gas desulphurization system The middle limestone-gypsum slurries of carrying have good economic benefit and society's effect Benefit.
Claims (10)
1, a kind of line with rubber lime stone slurry recycle pump, comprise the pump housing, main shaft (1), impeller (17) and bearing unit, it is characterized in that: the described pump housing is formed by connecting with fastening piece by the preceding pump housing (13) and the back pump housing (10), the pump housing is equipped with front pump cover (16) before described, the described back pump housing is equipped with rear pump cover (8), sheath (11) is installed in respectively on the described preceding pump housing (13) and the back pump housing (10) behind preceding sheath (14) of rubber and the rubber, and rubber backplate (18) is installed on the described rear pump cover (8).
2, line with rubber lime stone slurry recycle pump according to claim 1, it is characterized in that: before the described rubber behind sheath (14), the rubber sheath (11) and rubber backplate (18) be lined with first metal frame (22), second metal frame (24) and the 3rd metal frame (20) in respectively, be fixed on the described preceding pump housing (13) by built-in first socket head screw (15) and second socket head screw (21) and first double-screw bolt (25) and second double-screw bolt (9) respectively and afterwards on the pump housing (10) and the rear pump cover (8).
3, line with rubber lime stone slurry recycle pump according to claim 1 and 2 is characterized in that: sheath (11) and rubber backplate (18) are the mold pressing natural rubber behind preceding sheath (14) of described rubber and the rubber.
4, line with rubber lime stone slurry recycle pump according to claim 1 and 2, it is characterized in that: described bearing unit supports for the bracket type bearing unit, it is by bearing support (4), carriage (2), support (28), roller bearing (5) and tapered roller bearing (3) are formed, and the pump end adopts roller bearing (5), and drive end adopts tapered roller bearing (3).
5, line with rubber lime stone slurry recycle pump according to claim 3, it is characterized in that: described bearing unit supports for the bracket type bearing unit, it is by bearing support (4), carriage (2), support (28), roller bearing (5) and tapered roller bearing (3) are formed, and the pump end adopts roller bearing (5), and drive end adopts tapered roller bearing (3).
6, line with rubber lime stone slurry recycle pump according to claim 1 and 2 is characterized in that: lower margin support (26) and back lower margin supported (27) before the pump housing (13) and the back pump housing (10) were respectively equipped with before described.
7, line with rubber lime stone slurry recycle pump according to claim 3 is characterized in that: lower margin support (26) and back lower margin supported (27) before the pump housing (13) and the back pump housing (10) were respectively equipped with before described.
8, line with rubber lime stone slurry recycle pump according to claim 1 and 2, it is characterized in that: backplate (18) is provided with lip seal pad (31).
9, line with rubber lime stone slurry recycle pump according to claim 3, it is characterized in that: backplate (18) is provided with lip seal pad (31).
10, line with rubber lime stone slurry recycle pump according to claim 4, it is characterized in that: backplate (18) is provided with lip seal pad (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620052387 CN200964970Y (en) | 2006-09-30 | 2006-09-30 | Rubber-lined limestone slurry circulation pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620052387 CN200964970Y (en) | 2006-09-30 | 2006-09-30 | Rubber-lined limestone slurry circulation pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200964970Y true CN200964970Y (en) | 2007-10-24 |
Family
ID=38868986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620052387 Expired - Fee Related CN200964970Y (en) | 2006-09-30 | 2006-09-30 | Rubber-lined limestone slurry circulation pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200964970Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588321A (en) * | 2012-02-23 | 2012-07-18 | 肖琼 | Wear-resisting pump body and pump cover |
| CN102996490A (en) * | 2011-09-10 | 2013-03-27 | 湖北省天门泵业有限公司 | Structure of slurry pump equipped with inside lining protective plate |
| RU195238U1 (en) * | 2019-10-03 | 2020-01-17 | Акционерное общество (АО) "Турбонасос" | CENTRIFUGAL PUMP BODY FOR TRANSFER OF ABRASIVE CONTAINING MEDIA |
-
2006
- 2006-09-30 CN CN 200620052387 patent/CN200964970Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996490A (en) * | 2011-09-10 | 2013-03-27 | 湖北省天门泵业有限公司 | Structure of slurry pump equipped with inside lining protective plate |
| CN102588321A (en) * | 2012-02-23 | 2012-07-18 | 肖琼 | Wear-resisting pump body and pump cover |
| RU195238U1 (en) * | 2019-10-03 | 2020-01-17 | Акционерное общество (АО) "Турбонасос" | CENTRIFUGAL PUMP BODY FOR TRANSFER OF ABRASIVE CONTAINING MEDIA |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20150930 |
|
| EXPY | Termination of patent right or utility model |