CN2420446Y - Chemical centrifugal pump - Google Patents
Chemical centrifugal pump Download PDFInfo
- Publication number
- CN2420446Y CN2420446Y CN 00233183 CN00233183U CN2420446Y CN 2420446 Y CN2420446 Y CN 2420446Y CN 00233183 CN00233183 CN 00233183 CN 00233183 U CN00233183 U CN 00233183U CN 2420446 Y CN2420446 Y CN 2420446Y
- Authority
- CN
- China
- Prior art keywords
- pump
- impeller
- utility
- model
- shaft
- 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 relates to a chemical centrifugal pump, which is composed of a pump body, a pump cover, a pump frame, an impeller, a pump shaft, etc. The utility model is characterized in that the pump body, the pump cover, and the impeller are formed and pressed by fluoroplastic molds or adopt a mode that a metal piece is sprayed and coated with one layer of fluoroplastic alloy. Thus, the outer surface of the overflowing part is all fluoroplastic alloy, and the corrosion resistance of the utility model is increased. Simultaneously, the impeller is sheathed on the pump shaft through a Morse taper and is hung on a shaft coupling by tightly hanging bolts. The utility model has the function that the utility model can carry out self suction for ever once flow leading is carried out. The utility model can be widely used in industry for conveying any medium acid, oxidant, amd corrosive media in any concentration.
Description
At present, chemical centrifugal pump is widely used in fields such as oil, chemical industry, pharmacy, metallurgy, food, environmental protection, in these industries, carries arbitrary medium acid, oxygenant and the Korrosionsmedium of any concentration sometimes.Relevant by retrieval documents and materials, the chemical centrifugal pump ubiquity corrosion resistance of domestic production is lower, easily damaged parts is many, can not work long hours, be difficult to defective such as maintenance.
The purpose of this utility model just provides a kind of chemical centrifugal pump with stronger corrosion resistance, mechanical strength height, aging, no toxin decomposition.
The purpose of this utility model is to realize like this, a kind of chemical centrifugal pump is by the pump housing, impeller, pump shaft, parts such as pump cover are formed, negative pressure device is adopted in mechanical seal, under the state of long-term delivery medium, working pressure is not born in mechanical seal, solved leakage problem effectively, the overcurrent part all adopts the fluorine alloy mold pressing to process simultaneously, has stronger corrosion resistance, the mechanical strength height, not aging, advantages such as no toxin decomposition, the impeller shaft root cooperates by Morse's taper with pump shaft, and pass the pump shaft center and shaft joint hangs tight together by hanging bolt, directly impeller rotation of motor like this, guarantee " drainage, lifelong self-priming ".
The utility model compared with prior art has following advantage:
1, this pump has advantages such as stronger corrosion resistance, the strong height of machinery, aging, no toxin decomposition.
2, this pump mechanical sealing adopts negative pressure device, has solved leakage problem effectively.
3, this pump has been realized the characteristics of " drainage, lifelong self-priming ".
Below in conjunction with accompanying drawing the utility model is done further narration.
The structural representation of Fig. 1 a kind of chemical centrifugal pump described in the utility model
1, the pump housing 2, impeller 3, pump cover 4, mechanical seal 5, pump bracket 6, pump shaft 7, bearing 8, bearing gland 9, coupling 10, hanging bolt
As can be seen from Figure 1, a kind of chemical centrifugal pump described in the utility model is by the pump housing 1, impeller 2, pump cover 3, pump bracket 5, parts such as pump shaft 6 and hanging bolt 10 are formed, pump cover 3 is fixed on the pump bracket 5 by the pump housing 1, pump shaft 6 is fixed on the pump bracket 5 by bearing 7 and bearing gland 8, mechanical seal 4 is installed on the axle of impeller 2, and be pressed on the pump cover 3, it is characterized in that: impeller 2 is sleeved on the pump shaft 6 by Morse's taper, and pass pump shaft 6 with hanging bolt 10 and hang tight together with coupling 9, in order to improve the corrosion resistance of pump, the pump housing 1, burying steel flange circle mold pressing Fluoroine-containing plastic alloy in the pump cover 3 employing attachment portions is made, impeller 2 adopts the moulding of metal shaft outsourcing perfluor plastic stempressing, accomplishes that whole overcurrent partly is the perfluor plastics.When needs are carried the liquid of high-lift, big flow, whole flow passage divides the pump housing 1, pump cover 3 all to adopt metal shell internal surface spraying one deck fluoroplastic, not only improve the corrosion resistance of pump overcurrent part, and improved the mechanical strength of pump again, guarantee that pump can be under-85 ℃～200 ℃ conditions, arbitrary medium acid, oxygenant and the Korrosionsmedium of any concentration of long-term delivery are used in industries such as oil, chemical industry, pharmacy, food, metallurgy widely.
Claims (4)
1, a kind of chemical centrifugal pump, formed by the pump housing (1), impeller (2), pump cover (3), pump bracket (5), pump shaft (6) and hanging bolt parts such as (10), pump cover (3) is pressed on the pump bracket (5) by the pump housing (1), pump shaft (6) is fixed on the pump bracket (5) by bearing (7) and bearing gland (8), it is characterized in that: impeller (2) is sleeved on the pump shaft (6) by Morse's taper, and pass pump shaft (6) and coupling (9) with hanging bolt (10) and hang tight together, mechanical seal (4) is installed on the axle of impeller (4), and is pressed on the pump cover (3).
2, a kind of chemical centrifugal pump according to claim 1 is characterized in that: impeller (2) adopts the mold pressing of metal shaft outsourcing Fluoroine-containing plastic alloy to form.
3, according to claim 1,2 described a kind of chemical centrifugal pumps, it is characterized in that: bury steel flange circle mold pressing Fluoroine-containing plastic alloy in the pump housing (1) and pump cover (3) the employing attachment portion and make.
4, according to claim 1,2 described a kind of chemical centrifugal pumps, it is characterized in that: the pump housing (1) and pump cover (3) adopt spraying one deck Fluoroine-containing plastic alloy in the metalwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00233183 CN2420446Y (en) | 2000-05-22 | 2000-05-22 | Chemical centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00233183 CN2420446Y (en) | 2000-05-22 | 2000-05-22 | Chemical centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2420446Y true CN2420446Y (en) | 2001-02-21 |
Family
ID=33595589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00233183 Expired - Fee Related CN2420446Y (en) | 2000-05-22 | 2000-05-22 | Chemical centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2420446Y (en) |
-
2000
- 2000-05-22 CN CN 00233183 patent/CN2420446Y/en not_active Expired - Fee Related
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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 |