CN105626542A - Centrifugal pump - Google Patents
Centrifugal pump Download PDFInfo
- Publication number
- CN105626542A CN105626542A CN201610119608.5A CN201610119608A CN105626542A CN 105626542 A CN105626542 A CN 105626542A CN 201610119608 A CN201610119608 A CN 201610119608A CN 105626542 A CN105626542 A CN 105626542A
- Authority
- CN
- China
- Prior art keywords
- pump
- pump body
- pump housing
- rotation axis
- sealing ring
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a centrifugal pump comprising a rotating shaft, a pump body and a pump cover, wherein the pump cover covers the pump body; the rotating shaft penetrates through the inside of the pump body ; two ends of the rotating shaft are located at the outer part of the pump body; a drainage system and an oil drainage system are arranged below the pump body; a connecting pipe is arranged above the pump body and is provided with a deflating and flushing system; and the contact surface of the pump body and the rotating shaft is sequentially provided with a low-pressure end mechanical sealing cavity sealing ring, a first pump body sealing ring, a pump body rear sealing ring, a second pump body sealing ring and a high-pressure end mechanical sealing cavity sealing ring. The centrifugal pump is favorable in sealing performance, safe, reliable and long in service life and does not easily pollute the environment.
Description
Technical field
The present invention relates to a kind of pump, it is specially a kind of impeller pump.
Background technology
The API610 specification that American Petroleum Institute (API) promulgates is the specification that world's pump industry has significantly affecting power. In the mid-90 in 20th century, American Petroleum Institute (API) solves problem existing in specification, has promulgated API610 the 8th edition " petroleum industry, heavy chemical industry and gas industrial impeller pump " specification. This specification all proposes stricter requirement in the stability of pump, reliability, processing property and work-ing life etc., is mainly reflected in: all many-sides such as sealing, material, vibration, bearing, rotor dynamic, subsystem. It is still manufacture and design stage pump according to JB/T8059-96 " high pressure boiler water supply pump " specification, API610 the 6th edition, the 7th edition specification that the pump industry of China uses more for horizontal multi-stage impeller pump at present. Due to the develop rapidly of industry and the requirements at the higher level of environment protection such as electric power, oil, chemical industry; according to JB/T8059-96 " high pressure boiler water supply pump " specification, API610 the 6th edition, the 7th edition stage pump that specification designs and manufactures; on using, there is very obvious limitation, the phenomenons such as pump shaft fracture, sealing leak, bearing life are short, contaminate environment have usually occurred.
Summary of the invention
Technical problem solved by the invention is to provide a kind of impeller pump, with the shortcoming solved in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions:
Impeller pump, comprise rotation axis, the pump housing and pump cover, described pump cover covers on the described pump housing, described rotation axis is through described pump body, it is outside that the two ends of described rotation axis are positioned at the described pump housing, drainage and oil draining system it is provided with below the described pump housing, it is provided with adapting pipe above the described pump housing, described adapting pipe is provided with venting rinse-system, the contact surface of the described pump housing and described rotation axis is provided with low pressure end mechanical seal chamber wear ring, the first casing ring, pump housing increasing back sealing ring, the 2nd casing ring and high pressure side mechanical seal chamber wear ring successively.
In the present invention, it may be preferred that be provided with integrated mechanical sealing portion dress outside described pump cover. It is close to described integrated mechanical sealing portion and it is equiped with oil blocking cover.
Useful effect
The present invention is provided with multiple sealed structure, favorable sealing property, adds the setting of venting rinse-system, drainage and oil draining system, it is not easy to contaminate environment, has good environmental-protecting performance, and bearing is installed reliability and durability, it may also be useful to the life-span is long.
Accompanying drawing explanation
Fig. 1 is the structure iron of impeller pump.
Embodiment
In order to the present invention is realized technique means, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, set forth the present invention further.
See Fig. 1, the structure iron of impeller pump, impeller pump, comprise rotation axis 13, the pump housing 1 and pump cover 2, described pump cover 2 covers on the described pump housing 1, described rotation axis 13 is through described pump body, it is outside that the two ends of described rotation axis are positioned at the described pump housing, drainage 6 and oil draining system 7 it is provided with below the described pump housing, adapting pipe 4 it is provided with above the described pump housing, described adapting pipe 4 is provided with venting rinse-system 5, the contact surface of the described pump housing and described rotation axis is provided with low pressure end mechanical seal chamber wear ring 9 successively, first casing ring 11, pump housing increasing back sealing ring 12, 2nd casing ring and high pressure side mechanical seal chamber wear ring 10.
Specifically, the first casing ring and the 2nd casing ring are identical wear ring, be provided with integrated mechanical sealing portion and fill 3 outside described pump cover 2. It is close to described integrated mechanical sealing portion to fill 3 and be provided with oil blocking cover 8.
More than show and describe the ultimate principle of the present invention and the advantage of main feature and the present invention; the technician of the industry should understand; the present invention is not restricted to the described embodiments; the principle that the present invention is just described described in above-described embodiment and specification sheets; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. impeller pump, comprise rotation axis, the pump housing and pump cover, described pump cover covers on the described pump housing, described rotation axis is through described pump body, it is outside that the two ends of described rotation axis are positioned at the described pump housing, it is characterized in that, drainage and oil draining system it is provided with below the described pump housing, it is provided with adapting pipe above the described pump housing, described adapting pipe is provided with venting rinse-system, the contact surface of the described pump housing and described rotation axis is provided with low pressure end mechanical seal chamber wear ring successively, first casing ring, pump housing increasing back sealing ring, 2nd casing ring and high pressure side mechanical seal chamber wear ring.
2. impeller pump according to claim 1, it is characterised in that, it is provided with integrated mechanical sealing portion dress outside described pump cover.
3. impeller pump according to claim 2, it is characterised in that, it is close to described integrated mechanical sealing portion and it is equiped with oil blocking cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610119608.5A CN105626542A (en) | 2016-03-03 | 2016-03-03 | Centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610119608.5A CN105626542A (en) | 2016-03-03 | 2016-03-03 | Centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105626542A true CN105626542A (en) | 2016-06-01 |
Family
ID=56041785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610119608.5A Pending CN105626542A (en) | 2016-03-03 | 2016-03-03 | Centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105626542A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949084A (en) * | 2017-04-21 | 2017-07-14 | 广州市昕恒泵业制造有限公司 | A kind of high-performance major axis centrifugal pump |
-
2016
- 2016-03-03 CN CN201610119608.5A patent/CN105626542A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949084A (en) * | 2017-04-21 | 2017-07-14 | 广州市昕恒泵业制造有限公司 | A kind of high-performance major axis centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160601 |
|
| WD01 | Invention patent application deemed withdrawn after publication |