CN111648971A - High-efficient festival segmentation double-drive parallel pump - Google Patents
High-efficient festival segmentation double-drive parallel pump Download PDFInfo
- Publication number
- CN111648971A CN111648971A CN202010520764.9A CN202010520764A CN111648971A CN 111648971 A CN111648971 A CN 111648971A CN 202010520764 A CN202010520764 A CN 202010520764A CN 111648971 A CN111648971 A CN 111648971A
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- Prior art keywords
- parallel pump
- suction
- main shaft
- section
- double
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/006—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction 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
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention is suitable for the technical field of multistage centrifugal pumps, and provides a high-efficiency sectional type double-drive parallel pump which comprises a parallel pump body and a main shaft installed in the parallel pump body. The transformation is a double-drive structure, so that the transformation cost is reduced by utilizing the original motor, and the transformation operability is improved.
Description
Technical Field
The invention belongs to the technical field of multistage centrifugal pumps, and particularly relates to a high-efficiency sectional type double-drive parallel pump.
Background
The multistage centrifugal pump integrates more than two centrifugal pumps with the same function, and the fluid channel structure is characterized in that a medium pressure relief opening of a first stage is communicated with an inlet of a second stage, and a medium pressure relief opening of the second stage is communicated with an inlet of a third stage, so that the multistage centrifugal pump is formed by a mechanism connected in series. The significance of the multistage centrifugal pump is to increase the set pressure.
The mine application field of current multistage centrifugal pump, the mine is comparatively old, and current drainage ability can't satisfy the requirement and need change more large-traffic water pump, and the motor size that traditional single-wheel drive water pump matches is greater than the water pump far away. Limited by the size of the pump room and the size of the cage for lowering the well, the mine is forced to give up the reconstruction plan, and old water pumps with insufficient drainage capacity are used, so that the method has great potential safety hazards of well flooding and low efficiency.
Disclosure of Invention
The invention aims to provide a high-efficiency sectional type double-drive parallel pump aiming at the defects and shortcomings of the existing mine drainage infrastructure, which can solve the problem that a main drainage pump of a pump room is modified under the condition that the size of the existing mine pump room and the size of a well descending cage are limited, greatly improves the drainage capacity, improves the operation efficiency and eliminates the potential safety hazard of well flooding. The transformation is a double-drive structure, so that the transformation cost is reduced by utilizing the original motor, and the transformation operability is improved.
The invention is realized in this way, a high-efficient festival segmentation double-driven parallel pump, characterized by, including the parallel pump body and main axis installed in the said parallel pump body;
the parallel pump body comprises a first suction section, a middle section and a discharge section. Two first suction section with the second suction section is established respectively spit the section left side and right side, the stator is equipped with in the middle section, the stator is established respectively the section left and right sides is spitted, and both sides quantity is unanimous. A group of impellers is arranged on the main shaft.
Furthermore, the first suction section and the second suction section are both provided with suction ports, and the suction ports can change the inlet direction according to the field requirements.
Furthermore, the discharge section is provided with a discharge port, and the direction of the discharge port can be set to be horizontal or vertical according to the requirements of the site.
Furthermore, the right end of the main shaft is connected with the forward rotation motor through a first coupler, and the left end of the main shaft is connected with the reverse rotation motor through a second coupler.
Further, the parallel pump body, the reverse rotation motor, and the forward rotation motor are all mounted on a base plate.
Furthermore, the reverse rotation motor and the forward rotation motor adopt a one-control-two starting cabinet to synchronously start the motors.
Furthermore, the right end of the main shaft is connected with the parallel pump body through a deep groove ball bearing.
Furthermore, the number of the impellers on the main shaft is determined according to actual needs, the impellers are symmetrically arranged along the axis of the middle section, and the middle section is provided with the water outlet double-suction impeller.
After the technical scheme is adopted, the invention has the beneficial effects that: the invention can solve the problem that the main drainage pump of the pump house is transformed under the condition that the size of the existing mine pump house and the size of the well-descending cage are limited, greatly improves the drainage capacity, improves the operation efficiency and eliminates the potential safety hazard of a flooded well. The transformation is a double-drive structure, so that the transformation cost is reduced by utilizing the original motor, and the transformation operability is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a system installation diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, the invention relates to a high-efficiency segment type double-drive parallel pump, which is characterized by comprising a parallel pump body 1 and a main shaft 2 arranged in the parallel pump body 1;
the parallel pump body 1 includes a first suction stage 11, an intermediate stage 12, and a discharge stage 13. The two first suction sections 11 and the second suction section 14 are respectively arranged on the left side and the right side of the discharge section 13, guide vanes 122 are arranged in the middle section 12, the guide vanes 122 are respectively arranged on the left side and the right side of the discharge section 13, and the number of the two sides is the same. The main shaft 2 is provided with a set of impellers 121.
The first suction section 11 and the second suction section 14 are both provided with suction ports, and the suction ports can change the inlet direction according to the field requirement.
The discharge section 13 is provided with a discharge port, and the direction of the discharge port can be set to be horizontal or vertical according to the requirements of the site.
The right end of the main shaft 2 is connected with a forward rotation motor 7 through a first coupler 4, and the left end of the main shaft 2 is connected with a reverse rotation motor 6 through a second coupler 5. A forward rotation motor 7 and a reverse rotation motor 6 are adopted to synchronously drive the main shaft 2, two motors synchronously drive a double-drive parallel pump, and the single power of the two motors is half of the power of a single-drive water pump matched motor.
The parallel pump body 1, the reverse rotation motor 6 and the forward rotation motor 7 are all installed on the bottom plate 8.
The reverse rotation motor 6 and the forward rotation motor 7 adopt a one-control-two starting cabinet to synchronously start the motors. The two motors synchronously drive the double-drive parallel pump under the control of the one-control two-start cabinet, so that the aim of replacing one high-power motor with two low-power motors to drain water of a mine is fulfilled.
The right end of the main shaft 2 is connected with the parallel pump body 1 through a deep groove ball bearing 3. The deep groove ball bearing 3 has an axial positioning function.
The number of the impellers 121 on the main shaft 2 is determined according to actual needs, the impellers 121 are symmetrically arranged along the axis of the middle section 12, and the middle section 12 is provided with a water outlet double-suction impeller 131. So that the theoretical axial forces are fully balanced.
Aiming at the defects and the defects of mine drainage infrastructure, the high-efficiency sectional type double-drive parallel pump is provided. The method can solve the problem that the main drainage pump of the pump house is transformed under the condition that the size of the existing mine pump house and the size of a well descending cage are limited, greatly improves the drainage capacity, improves the operation efficiency and eliminates the potential safety hazard of a flooded well; when the pump house is transformed, the two motors synchronously drive the double-drive parallel pump, the single power of the two motors is half of the power of the single-drive water pump matched motor, the purpose of doubling the drainage capacity without replacing the motors is achieved, and the transformation cost is reduced. The transformation is a double-drive structure, so that the transformation cost is reduced by utilizing the original motor, and the transformation operability is improved.
The beneficial technical effects related to the implementation of the invention are as follows: the invention can solve the problem that the main drainage pump of the pump house is transformed under the condition that the size of the existing mine pump house and the size of the well-descending cage are limited, greatly improves the drainage capacity, improves the operation efficiency and eliminates the potential safety hazard of a flooded well. The transformation is a double-drive structure, so that the transformation cost is reduced by utilizing the original motor, and the transformation operability is improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A high-efficiency sectional type double-drive parallel pump is characterized by comprising a parallel pump body (1) and a main shaft (2) arranged in the parallel pump body (1);
the parallel pump body (1) comprises a first suction section (11), a middle section (12) and a discharge section (13). Two first suction section (11) are established respectively with second suction section (14) spit out section (13) left side and right side, be equipped with stator (122) in middle section (12), stator (122) are established respectively spit out section (13) the left and right sides, both sides quantity is unanimous. A group of impellers (121) is arranged on the main shaft (2).
2. A high efficiency segmented double drive parallel pump according to claim 1, wherein the first suction segment (11) and the second suction segment (14) are provided with suction ports, and the suction ports can change the inlet direction according to the field requirement.
3. A high efficiency segmented dual drive parallel pump according to claim 1, wherein the discharge segment (13) is provided with a discharge port, and the direction of the discharge port can be set to be horizontal or vertical according to the requirements of the site.
4. A high-efficiency sectional type double-drive parallel pump according to claim 1, wherein the right end of the main shaft (2) is connected with a forward rotation motor (7) through a first coupler (4), and the left end of the main shaft (2) is connected with a reverse rotation motor (6) through a second coupler (5).
5. A high efficiency segmented dual drive parallel pump according to claim 4, wherein the parallel pump body (1), the counter rotating motor (6) and the forward rotating motor (7) are all mounted on a base plate (8).
6. A high-efficiency sectional type double-drive parallel pump as claimed in claim 5, wherein the reverse rotation motor (6) and the forward rotation motor (7) adopt a one-control-two-start cabinet to start the motors synchronously.
7. A high efficiency segmented dual drive parallel pump according to claim 1, characterized in that the right end of the main shaft (2) is connected to the parallel pump body (1) through deep groove ball bearing (3).
8. A high-efficiency sectional double-drive parallel pump according to claim 1, wherein the number of the impellers (121) on the main shaft (2) is determined according to actual requirements, the impellers (121) are symmetrically arranged along the axis of the middle section (12), and the water outlet double-suction impeller (131) is arranged at the middle section (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520764.9A CN111648971A (en) | 2020-06-09 | 2020-06-09 | High-efficient festival segmentation double-drive parallel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520764.9A CN111648971A (en) | 2020-06-09 | 2020-06-09 | High-efficient festival segmentation double-drive parallel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111648971A true CN111648971A (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010520764.9A Pending CN111648971A (en) | 2020-06-09 | 2020-06-09 | High-efficient festival segmentation double-drive parallel pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN111648971A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201265547Y (en) * | 2008-09-23 | 2009-07-01 | 长沙佳能通用泵业有限公司 | Balancing type single-suction horizontal multiple-stage centrifugal pump |
| CN203756553U (en) * | 2013-12-05 | 2014-08-06 | 山东星源矿山设备集团有限公司 | Double-suction forced-drain submerged pump |
| CN205977699U (en) * | 2016-08-31 | 2017-02-22 | 湖北三峡泵业有限公司 | Axial self -balancing multistage centrifugal pump that connects in parallel |
| CN106837806A (en) * | 2017-02-10 | 2017-06-13 | 长沙佳能通用泵业有限公司 | A kind of sectional type parallel connection multistage pump |
| CN207513844U (en) * | 2017-11-13 | 2018-06-19 | 大连深蓝泵业有限公司 | High-power high lift mono-hull sectional type horizontal multi-stage centrifugal pump |
| CN109322831A (en) * | 2018-11-29 | 2019-02-12 | 长沙佳能通用泵业有限公司 | A kind of double outlet self-balancing multi-stage pumps of four volute chambers |
| CN210265134U (en) * | 2019-08-02 | 2020-04-07 | 长沙佳能通用泵业有限公司 | High-efficient festival segmentation double-drive parallel pump |
-
2020
- 2020-06-09 CN CN202010520764.9A patent/CN111648971A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201265547Y (en) * | 2008-09-23 | 2009-07-01 | 长沙佳能通用泵业有限公司 | Balancing type single-suction horizontal multiple-stage centrifugal pump |
| CN203756553U (en) * | 2013-12-05 | 2014-08-06 | 山东星源矿山设备集团有限公司 | Double-suction forced-drain submerged pump |
| CN205977699U (en) * | 2016-08-31 | 2017-02-22 | 湖北三峡泵业有限公司 | Axial self -balancing multistage centrifugal pump that connects in parallel |
| CN106837806A (en) * | 2017-02-10 | 2017-06-13 | 长沙佳能通用泵业有限公司 | A kind of sectional type parallel connection multistage pump |
| CN207513844U (en) * | 2017-11-13 | 2018-06-19 | 大连深蓝泵业有限公司 | High-power high lift mono-hull sectional type horizontal multi-stage centrifugal pump |
| CN109322831A (en) * | 2018-11-29 | 2019-02-12 | 长沙佳能通用泵业有限公司 | A kind of double outlet self-balancing multi-stage pumps of four volute chambers |
| CN210265134U (en) * | 2019-08-02 | 2020-04-07 | 长沙佳能通用泵业有限公司 | High-efficient festival segmentation double-drive parallel pump |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200911 |
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| RJ01 | Rejection of invention patent application after publication |