CN105736394A - Directly-connected horizontal type centrifugal pump - Google Patents
Directly-connected horizontal type centrifugal pump Download PDFInfo
- Publication number
- CN105736394A CN105736394A CN201610211961.6A CN201610211961A CN105736394A CN 105736394 A CN105736394 A CN 105736394A CN 201610211961 A CN201610211961 A CN 201610211961A CN 105736394 A CN105736394 A CN 105736394A
- Authority
- CN
- China
- Prior art keywords
- pump
- cover
- impeller
- motor
- pump housing
- 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
- 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
-
- 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
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- 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
-
- 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
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
-
- 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
-
- 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
- F04D29/4293—Details of fluid inlet or outlet
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted 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 directly-connected horizontal type centrifugal pump which comprises a pump body, an impeller, a pump cover, a motor shaft, a motor, a sealing mechanism and a base. The sealing mechanism comprises an O-shaped sealing ring, a mechanical seal, a sealing gasket and a sealing end cover. Since the motor is directly connected with the pump, an intermediate transmission structure is simplified, operation stability is improved, and the occupied space is reduced by 30% compared with that of a common horizontal type pump. The cemented carbide mechanical seal is adopted as a shaft seal, and the directly-connected horizontal type centrifugal pump is long in service life, low in noise, convenient to maintain and small in vibration.
Description
Technical field
The present invention relates to a kind of centrifugal pump, particularly to a kind of direct connection centrifugal pump of horizontal axis.
Background technology
Centrifugal pump utilizes impeller to rotate and make water generation centrifugal motion carry out work.Water pump is before activation, it is necessary to makes to be full of in pump case and suction hose water, then starts motor, make pump shaft impeller and water do high speed rotary motion, water generation centrifugal motion, be thrown toward impeller outer edge, through the setting-out pipeline of the runner inflow water pump of volute pump case.
Centrifugal pump can be widely used for the industry conveyings such as electric power, metallurgy, coal, the building materials slurry containing solid particle.Such as thermal power plant's hydraulic(-ash) sluicing, technics of metallurgy mineral dressing factory pulp conveying, coal washery coal slurry and dense medium conveying etc..Present centrifugal pump is in the process used, and owing to the structure of pump body is complicated, it is necessary to carried out the connection of the pump housing and motor by multiple drive mechanisms, is unfavorable for the stable of machine, and floor space is big, is unfavorable for installing and using.
It addition, along with industrial expansion, people have increasingly higher requirement for the sealing property of centrifugal pump, service life and environmental-protecting performance.
Summary of the invention
For overcoming the defect of prior art, a kind of direct connection centrifugal pump of horizontal axis that it is an object of the invention to provide, due to motor and pump direct connection, simplify the structure of intermediate transmission, enhance the stability of operation, and fewer than common horizontal pump floor space 30%, axle envelope adopts hard alloy mechanical to seal, life-span length and to have noise low, easy to maintenance, vibrates little.
This invention address that technical problem adopts the following technical scheme that
A kind of direct connection centrifugal pump of horizontal axis, including the pump housing, impeller, pump cover, motor shaft, motor, sealing mechanism, base, described pump housing side is provided with water inlet, and described water inlet is provided externally with the first fixing plate, is provided with fixing hole bottom the described first fixing plate, described pump housing top is provided with outlet, described outlet is provided externally with the second fixing plate, and the described second fixing plate side is provided with fixing hole, and the described pump housing realizes the connection of water inlet and inlet channel, outlet and outlet conduit by fixing hole；Described pump housing side connects pump cover, and described pump cover is provided with fixing hole, coordinates fixing hole to realize being connected with the pump housing by bolt and nut, described pump cover is provided with fixing clamping block, described fixing clamping block structure ringwise, is connected to described pump body, described pump body is provided with working chamber
Described impeller is be vertically arranged in described working chamber, described impeller is connected to impeller axle, described impeller axle top is fixed on described impeller central position through acorn nut, described impeller shaft end is provided with fit body, described fit body and described impeller axle are integral type structure, the cylindrical structure of described shrink-fit structure, described fit body is linked in outside described motor shaft, described fit body is provided with hole, many group location, often group has hole, two location, hole, described location is arranged on the sidewall of described fit body, described location is provided with screw in hole, the connection of impeller axle and motor shaft is realized by screw being hammered into hole, location and motor shaft, described motor shaft end connects described motor；
Described sealing structure includes O RunddichtringO, mechanical seal, seal washer and end cover, and described O RunddichtringO is linked in outside the fixing clamping block of described pump cover, is fixed on described pump cover and described pump housing junction, it is achieved being tightly connected between pump cover and the pump housing；Described mechanical seal, seal washer and end cover are respectively positioned on described impeller axle and described pump cover junction, all it is linked on described impeller axle, mechanical seal, seal washer, end cover outwards it is followed successively by from pump body, described end cover is ring type structure, its top and bottom is all welded to connect with described pump cover, being provided with annular groove inside described end cover, described seal washer is arranged at inside described ring groove, and described seal washer cross section is of an L-shaped structure；Described mechanical seal structure ringwise, is positioned at impeller one end, and described mechanical seal one end is pressed together on described seal washer；
It is provided with center rest between described motor and described pump cover, described center rest bag the first gripper shoe and the second gripper shoe, described first gripper shoe quantity is one, plate body structure ringwise, described first gripper shoe is attached by bolt and described motor, and described second gripper shoe quantity is two, in horizontally set, being distributed up and down, described second gripper shoe one end welding pump cover, the other end and described first gripper shoe are welded to connect；
Described base is provided with the first fixed station and the second fixed station, is fixed on the first fixed station by bolt and nut bottom the described pump housing, and described motor bottom is fixed on the second fixed station by bolt and nut.
Above-mentioned a kind of direct connection centrifugal pump of horizontal axis, wherein, described first fixed station height is less than the second fixed station.
Compared with the prior art, beneficial effects of the present invention is embodied in:
1, adopt special pump body design, be provided with fixed plate structure at outlet and water inlet, by the fixing hole on fixing plate, Flange joint can be carried out with water inlet pipe and water outlet pipe, it is easy to fixing of pipeline, install simple, easy to operate, improve and connect reliability.
2, special leaf hub designs, the fit body that its end is unique, can effectively fix motor shaft by hole, multiple location, eliminate multiple drive mechanisms between general centrifugal pump shaft and motor, it is achieved in motor and pump direct connection, fewer than common horizontal pump floor space 30%, save the area resource, simple in construction, reasonable in design, avoid the frequent maintenance that too much connecting gear causes, improve service life.
3, adopt novel seal mechanism to arrange, matched by multiple black box, it is achieved multi-sealed.Adopt specially designed pump cover, the fixing clamping block of design annular on pump cover, is connected to pump body by fixing caking block, and at the outside fit O RunddichtringO of fixing clamping block, o RunddichtringO is fixed on pump cover and pump housing junction, can effectively realize being tightly connected between pump cover and the pump housing.And impeller axle and pump cover junction adopt triple seal, pump body is outwards followed successively by mechanical seal, seal washer, end cover, dynamic sealing action is ensured by mechanical seal, the current in water pump spiral casing are avoided to flow out water pump by pump shaft, in outermost, end cover ensures that external dust granule does not enter pump body, play sealing effectiveness；Seal washer is between end cover and mechanical seal, while being entrenched in the annular groove of end cover, by mechanical seal to its pressing, it is ensured that sealing property, accomplishes triple seal effect.Increase substantially centrifugal pump seal performance.
4, unique design center rest between motor and pump cover, by the cooperation of the first fixing plate and the second fixing plate, strengthens the stability of the pump housing and motor, reduces centrifugal pump vibration in use, reduce noise, reduce noise pollution, enhancing ring guaranteed cost.
Accompanying drawing explanation
Fig. 1 is profile of the present invention.
Fig. 2 is sealing mechanism enlarged drawing of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment
A kind of direct connection centrifugal pump of horizontal axis, including the pump housing 1, impeller 2, pump cover 3, motor shaft 4, motor 5, sealing mechanism 6, base 7, the described pump housing 1 side is provided with water inlet 11, described water inlet 11 is provided externally with the first fixing plate 12, it is provided with fixing hole 8 bottom described first fixing plate 12, the described pump housing 1 top is provided with outlet 13, described outlet 13 is provided externally with the second fixing plate 14, described second fixing plate 14 side is provided with fixing hole 8, and the described pump housing 1 realizes the connection of water inlet 11 and inlet channel, outlet 13 and outlet conduit by fixing hole 8；The described pump housing 1 side connects pump cover 3, described pump cover 3 is provided with fixing hole 8, fixing hole 8 is coordinated to realize being connected with the pump housing 1 by bolt and nut, described pump cover 3 is provided with fixing clamping block 31, described fixing clamping block 31 structure ringwise, being connected to the described pump housing 1 internal, the described pump housing 1 is internal is provided with working chamber 15
nullDescribed impeller 2 is be vertically arranged in described working chamber 15，Described impeller 2 is connected to impeller axle 21，Described impeller axle 21 top is fixed on described impeller 2 center through acorn nut 23，Described impeller axle 21 end is provided with fit body 22，Described fit body 22 is integral type structure with described impeller axle 21，The described cylindrical structure of shrink-fit structure 22，It is outside that described fit body 22 is linked in described motor shaft 4，Described fit body 22 is provided with hole 24, many group location，Often group has hole 241, two location，Hole, described location 241 is arranged on the sidewall of described fit body 22，It is provided with screw 25 in hole, described location 241，By screw 25 being hammered into hole 241, location and motor shaft 4 realizes the connection of impeller axle 21 and motor shaft 4，Described motor shaft 4 end connects described motor 5；
Described sealing structure 6 includes O RunddichtringO 61, mechanical seal 62, seal washer 63 and end cover 64, the fixing clamping block 31 that described O RunddichtringO 61 is linked in described pump cover 3 is outside, is fixed on described pump cover 3 and the described pump housing 1 junction, it is achieved being tightly connected between pump cover 3 and the pump housing 1；Described mechanical seal 62, seal washer 63 and end cover 64 are respectively positioned on described impeller axle 21 and described pump cover 3 junction, all it is linked on described impeller axle 21, mechanical seal 62, seal washer 63, end cover 64 outwards it is followed successively by from the pump housing 1 inside, described end cover 64 is in ring type structure, its top and bottom is all welded to connect with described pump cover 1, described end cover 64 is internal is provided with annular groove 641, it is internal that described seal washer 63 is arranged at described ring groove 641, and described seal washer 63 cross section is of an L-shaped structure；Described mechanical seal 62 structure ringwise, is positioned at impeller 2 one end, and described mechanical seal 62 one end is pressed together on described seal washer 63；
It is provided with center rest 9 between described motor 5 and described pump cover 3, described center rest 9 wraps the first gripper shoe 91 and the second gripper shoe 92, described first gripper shoe 91 quantity is one, plate body structure ringwise, described first gripper shoe 91 is attached by bolt and described motor 5, and described second gripper shoe 92 quantity is two, in horizontally set, being distributed up and down, described second gripper shoe 92 one end welding pump cover 3, the other end and described first gripper shoe 91 are welded to connect；
Described base 7 is provided with the first fixed station 71 and the second fixed station 72, is fixed on the first fixed station 71 by bolt and nut, is fixed on the second fixed station 72 by bolt and nut bottom described motor 5 bottom the described pump housing 1.
Above-mentioned a kind of direct connection centrifugal pump of horizontal axis, wherein, described first fixed station 71 height is less than the second fixed station 72.
Compared with the prior art, beneficial effects of the present invention is embodied in:
1, adopt special pump body design, be provided with fixed plate structure at outlet and water inlet, by the fixing hole on fixing plate, Flange joint can be carried out with water inlet pipe and water outlet pipe, it is easy to fixing of pipeline, install simple, easy to operate, improve and connect reliability.
2, special leaf hub designs, the fit body that its end is unique, can effectively fix motor shaft by hole, multiple location, eliminate multiple drive mechanisms between general centrifugal pump shaft and motor, it is achieved in motor and pump direct connection, fewer than common horizontal pump floor space 30%, save the area resource, simple in construction, reasonable in design, avoid the frequent maintenance that too much connecting gear causes, improve service life.
3, adopt novel seal mechanism to arrange, matched by multiple black box, it is achieved multi-sealed.Adopt specially designed pump cover, the fixing clamping block of design annular on pump cover, is connected to pump body by fixing caking block, and at the outside fit O RunddichtringO of fixing clamping block, o RunddichtringO is fixed on pump cover and pump housing junction, can effectively realize being tightly connected between pump cover and the pump housing.And impeller axle and pump cover junction adopt triple seal, pump body is outwards followed successively by mechanical seal, seal washer, end cover, dynamic sealing action is ensured by mechanical seal, the current in water pump spiral casing are avoided to flow out water pump by pump shaft, in outermost, end cover ensures that external dust granule does not enter pump body, play sealing effectiveness；Seal washer is between end cover and mechanical seal, while being entrenched in the annular groove of end cover, by mechanical seal to its pressing, it is ensured that sealing property, accomplishes triple seal effect.Increase substantially centrifugal pump seal performance.
4, unique design center rest between motor and pump cover, by the cooperation of the first fixing plate and the second fixing plate, reduces centrifugal pump vibration in use, reduces noise.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (2)
1. a direct connection centrifugal pump of horizontal axis, it is characterized in that, including the pump housing, impeller, pump cover, motor shaft, motor, sealing mechanism, base, described pump housing side is provided with water inlet, described water inlet is provided externally with the first fixing plate, it is provided with fixing hole bottom described first fixing plate, described pump housing top is provided with outlet, described outlet is provided externally with the second fixing plate, described second fixing plate side is provided with fixing hole, and the described pump housing realizes the connection of water inlet and inlet channel, outlet and outlet conduit by fixing hole；Described pump housing side connects pump cover, and described pump cover is provided with fixing hole, coordinates fixing hole to realize being connected with the pump housing by bolt and nut, described pump cover is provided with fixing clamping block, described fixing clamping block structure ringwise, is connected to described pump body, described pump body is provided with working chamber
Described impeller is be vertically arranged in described working chamber, described impeller is connected to impeller axle, described impeller axle top is fixed on described impeller central position through acorn nut, described impeller shaft end is provided with fit body, described fit body and described impeller axle are integral type structure, the cylindrical structure of described shrink-fit structure, described fit body is linked in outside described motor shaft, described fit body is provided with hole, many group location, often group has hole, two location, hole, described location is arranged on the sidewall of described fit body, described location is provided with screw in hole, the connection of impeller axle and motor shaft is realized by screw being hammered into hole, location and motor shaft, described motor shaft end connects described motor；
Described sealing structure includes O RunddichtringO, mechanical seal, seal washer and end cover, and described O RunddichtringO is linked in outside the fixing clamping block of described pump cover, is fixed on described pump cover and described pump housing junction, it is achieved being tightly connected between pump cover and the pump housing；Described mechanical seal, seal washer and end cover are respectively positioned on described impeller axle and described pump cover junction, all it is linked on described impeller axle, mechanical seal, seal washer, end cover outwards it is followed successively by from pump body, described end cover is ring type structure, its top and bottom is all welded to connect with described pump cover, being provided with annular groove inside described end cover, described seal washer is arranged at inside described ring groove, and described seal washer cross section is of an L-shaped structure；Described mechanical seal structure ringwise, is positioned at impeller one end, and described mechanical seal one end is pressed together on described seal washer；
It is provided with center rest between described motor and described pump cover, described center rest bag the first gripper shoe and the second gripper shoe, described first gripper shoe quantity is one, plate body structure ringwise, described first gripper shoe is attached by bolt and described motor, and described second gripper shoe quantity is two, in horizontally set, being distributed up and down, described second gripper shoe one end welding pump cover, the other end and described first gripper shoe are welded to connect；
Described base is provided with the first fixed station and the second fixed station, is fixed on the first fixed station by bolt and nut bottom the described pump housing, and described motor bottom is fixed on the second fixed station by bolt and nut.
2. a kind of direct connection centrifugal pump of horizontal axis according to claim 1, it is characterised in that described first fixed station height is less than the second fixed station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211961.6A CN105736394A (en) | 2016-04-07 | 2016-04-07 | Directly-connected horizontal type centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610211961.6A CN105736394A (en) | 2016-04-07 | 2016-04-07 | Directly-connected horizontal type centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105736394A true CN105736394A (en) | 2016-07-06 |
Family
ID=56253706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610211961.6A Pending CN105736394A (en) | 2016-04-07 | 2016-04-07 | Directly-connected horizontal type centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105736394A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949066A (en) * | 2017-05-11 | 2017-07-14 | 江苏斯别特制泵有限公司 | A kind of high-power centrifugal pump body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB217578A (en) * | 1923-06-15 | 1924-12-24 | Nash Engineering Co | Improvements in or relating to centrifugal pumps |
| CN103334950A (en) * | 2013-07-12 | 2013-10-02 | 昆山新莱洁净应用材料股份有限公司 | Inner moving ring balanced load type mechanical sealing mechanism |
| CN203500100U (en) * | 2013-10-18 | 2014-03-26 | 江苏联成新流体科技有限公司 | Negative pressure pressurizing double-level reverse mounting multiform impeller combination petrifaction process pump |
| CN204175633U (en) * | 2014-10-22 | 2015-02-25 | 江苏振华泵业制造有限公司 | Horizontal centrifugal pump built-in water-cooling shaft seal structure peculiar to vessel |
| CN205136040U (en) * | 2015-10-28 | 2016-04-06 | 泰州市勤宇电机设备制造有限公司 | Horizontal single -stage centrifugal pump |
| CN205618382U (en) * | 2016-04-07 | 2016-10-05 | 镇江江大泵业科技有限公司 | Directly ally oneself with centrifugal pump of horizontal axis |
-
2016
- 2016-04-07 CN CN201610211961.6A patent/CN105736394A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB217578A (en) * | 1923-06-15 | 1924-12-24 | Nash Engineering Co | Improvements in or relating to centrifugal pumps |
| CN103334950A (en) * | 2013-07-12 | 2013-10-02 | 昆山新莱洁净应用材料股份有限公司 | Inner moving ring balanced load type mechanical sealing mechanism |
| CN203500100U (en) * | 2013-10-18 | 2014-03-26 | 江苏联成新流体科技有限公司 | Negative pressure pressurizing double-level reverse mounting multiform impeller combination petrifaction process pump |
| CN204175633U (en) * | 2014-10-22 | 2015-02-25 | 江苏振华泵业制造有限公司 | Horizontal centrifugal pump built-in water-cooling shaft seal structure peculiar to vessel |
| CN205136040U (en) * | 2015-10-28 | 2016-04-06 | 泰州市勤宇电机设备制造有限公司 | Horizontal single -stage centrifugal pump |
| CN205618382U (en) * | 2016-04-07 | 2016-10-05 | 镇江江大泵业科技有限公司 | Directly ally oneself with centrifugal pump of horizontal axis |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949066A (en) * | 2017-05-11 | 2017-07-14 | 江苏斯别特制泵有限公司 | A kind of high-power centrifugal pump body |
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Application publication date: 20160706 |
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| RJ01 | Rejection of invention patent application after publication |