CN203189274U - Vertical type self-priming pump of self-contained circulation type gas-liquid separation structure - Google Patents
Vertical type self-priming pump of self-contained circulation type gas-liquid separation structure Download PDFInfo
- Publication number
- CN203189274U CN203189274U CN 201320191522 CN201320191522U CN203189274U CN 203189274 U CN203189274 U CN 203189274U CN 201320191522 CN201320191522 CN 201320191522 CN 201320191522 U CN201320191522 U CN 201320191522U CN 203189274 U CN203189274 U CN 203189274U
- Authority
- CN
- China
- Prior art keywords
- water
- pump
- self
- spiral case
- water tank
- 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
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a vertical type self-priming pump of a self-contained circulation type gas-liquid separation structure. The vertical type self-priming pump comprises a base, a pump body, a vane wheel, a pump cover, a motor, a water tank and a supporting rack. The pump body of the vertical type self-priming pump is provided with double layers of water flow passage structures, a volute allowing the vane wheel to rotate and carry out pressurization is arranged on the upper layer of water flow passage structure, a water inlet pipe, a water drainage pipe, a water circulation channel and a backflow hole are arranged on the bottom layer of water flow passage structure, and the water inlet pipe, the water drainage pipe, the water circulation channel and the backflow hole are communicated with one another. The water tank is connected with the side face of the pump body in a sealing mode, and an overflow gas-liquid separation structure formed by two independent cavities and a grid plate is internally arranged in the water tank. According to the vertical type self-priming pump of the self-contained circulation type gas-liquid separation structure, in a starting stage, under the combined action of a self-contained water flow internal circulation structure and the gas-liquid separation structure, pre-injected water is used for bringing the air of the inlet end inside the pump in a circulation process, all the air of the inlet end of the pump is removed after the operation of a certain time, the fact that negative pressure is formed at the inlet end of the pump is facilitated, and water in a water pool under the action of air pressure enters the inlet end of the pump and is automatically absorbed and output.
Description
Technical field
The utility model relates to a kind of hydraulic machinery, and specifically, the utility model relates to a kind of vertical self-sucking pump.
Background technique
Vertical self-sucking pump belongs to a kind of conventional water pump, is widely used in the occasion of Plane Installation limited location.The vertical self-sucking pump of prior art is the vertically-arranged barrel shape, and the centrifugal pump that is in low level is linked by coupling by upper motor, and centrifugal pump is by stator and the self-priming apparatus UNICOM that is connected.The start up period of centrifugal pump, introduce former water filling from self-priming apparatus under the impeller turning effort and through the stator guiding, the air at centrifugal pump suction port place is taken away in former water filling in cyclic process, forms vacuum and realizes self-priming at the centrifugal pump suction port after a period of time operation.Stator is placed in the centrifugal pump inlet bottom in the prior art, although this structure is effective, but have the following disadvantages, at first be that the impeller coaxality of installing on the stator settled in advance in the pump housing and the motor shaft end is poor, form enclosed construction after both are in place, can't observe and detect the fit quality of impeller and seal ring, can not observe and detect impeller and stator centering situation, maximum problem is mechanical seal in case lost efficacy, and pump chamber mesohigh water enters and must cause centrifugal pump to damage in the bearing.
The model utility content
The utility model is primarily aimed at the deficiencies in the prior art, proposes a kind of vertical self-sucking pump of providing circulating vapor-liquid separating structure for oneself, and this pump adopts direct connection structure, it is reliable to connect, accurate positioning, suction capacity is strong, operational efficiency is high, maintenance is convenient.
The utility model is achieved through the following technical solutions technical goal.
Provide the vertical self-sucking pump of circulating vapor-liquid separating structure for oneself, it comprises base, the pump housing, impeller, pump cover, motor, water tank and carriage.The described pump housing is directly installed on the base, and motor is positioned on the pump housing, faces the coaxial installation impeller of output axle head and the pump cover of the pump housing, is connected by carriage between motor and the pump cover and realizes that impeller and pump cover cooperate with the pump housing.Its improvements are: the described pump housing has the double-layer water stream channel structure, the upper strata is provided with the spiral case for the impeller rotating boosting, be provided with cut water at spiral case basic circle and waste pipe intersection, the water intake that spiral case is placed in the middle and bottom intake pipe UNICOM, the waste pipe of spiral case and bottom ring water channel UNICOM, be provided with return port in the spiral case base end wall and connect ring water channel, the water that return port constitutes waste pipe output overflows the current inner circulation structure that returns in the spiral case through ring water channel.The external tapping of described waste pipe and intake pipe is rectangular-shaped, and external tapping is positioned at the pump housing one side and mutually by arranging, external tapping up is connected with tank seal by rectangular flange.Described water tank is rectangular vessel, the both sides, top respectively are provided with a flange-interface, built-in dividing plate and screen, dividing plate is separated into two individual cavity that intake pipe and waste pipe with the pump housing link with water tank, the screen top margin is positioned at the water tank waist, and this structure makes the water of introducing water tank form gas-liquid separation through the screen overflow.
As further improvement project, return port is positioned on the spiral case base end wall, and its position is that reference point changes 120 counterclockwise with the cut water
0～160
0Arrange.
As further improvement project, the return port area is the intake pipe area 9%～11% of spiral case.
As further improvement project, the flange-interface center of water tank is higher than spiral case waterpower center line 270mm～300mm.
The utility model compared with prior art has following good effect:
1, the waste pipe UNICOM ring water channel of spiral case, ring water channel is linked up spiral case by return port, and this kind current inner circulation structure is simple, compact, reasonable, easy to manufacture;
2, the built-in screen height of water tank is lower than the flange-interface of both sides, and flange-interface is higher than spiral case, and this kind supplies water with overflow type and be convenient to gas-liquid separation, and pump realizes that easily self-priming draws water;
3, be that reference axis is installed impeller, pump cover and carriage with the motor output shaft end, easy for installation, reliable, accurate positioning;
4, direct connection drive mechanism, transmission efficiency height, convenient disassembly, greatly convenient maintenance.
Description of drawings
Fig. 1 is the utility model structural profile schematic representation.
Fig. 2 is Fig. 1 plan view.
Fig. 3 is Fig. 1 middle pump body floor map.
Fig. 4 is Fig. 3 generalized section.
Fig. 5 is cisten mechanism schematic representation among Fig. 1.
Fig. 6 is the B-B generalized section of Fig. 5.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in further detail.
The vertical self-sucking pump of providing circulating vapor-liquid separating structure for oneself illustrated in figures 1 and 2, it comprises base 1, the pump housing 2, impeller 3, pump cover 4, motor 5, water tank 6 and carriage 7.The described pump housing 2 is the scroll casing shape member, the pump housing 2 of horizontal is directly installed on the base 1, motor 5 is positioned on the pump housing 2, faces the coaxial installation impeller 3 of output axle head and the pump cover 4 of the pump housing 2, is connected by carriage 7 between motor 5 and the pump cover 4 and realizes that impeller 3 and pump cover 4 cooperate with the pump housing 2.The improved pump housing 2 of the utility model has the double-layer water stream channel structure, the upper strata is provided with the spiral case 2.5 for impeller 3 rotating boostings as shown in Figure 1, be provided with as shown in Figure 3 cut water 2.7 in spiral case 2.5 basic circles and waste pipe 2.3 intersections, water intake and bottom intake pipe 2.2 UNICOMs that spiral case 2.5 is placed in the middle, waste pipe 2.3 and bottom ring water channel 2.1 UNICOMs of spiral case 2.5, be provided with return port 2.6 in spiral case 2.5 base end wall and connect ring water channel 2.1, the water that return port 2.6 constitutes waste pipe 2.3 outputs overflows the current inner circulation structure that returns in the spiral case 2.5 through ring water channel 2.1.Present embodiment impeller 3 external diameters are 175mm, and water inlet aperture 8mm, flow are 50m
3/ h, because flow is big, return port 2.6 adopts rectangular opening, and its area is 490mm
2, this area account for spiral case 2.5 intake pipe 2.2 areas 8.5%.It is that reference point changes 120 counterclockwise that this return port 2.6 is located at cut water 2.7
0On the position, this position is in spiral case 2.5 beginning pressurizing area, and the water that is in the ring water channel 2.1 can normally overflow into spiral case 2.5 realization water circulations.The external tapping 2.4 of Fig. 3 and waste pipe shown in Figure 4 2.3 and intake pipe 2.2 is rectangular-shaped, and external tapping 2.4 is positioned at the pump housing 2 one sides and mutually by arranging, external tapping 2.4 up is tightly connected by rectangular flange and water tank 6.Fig. 5 and water tank shown in Figure 66 are rectangular vessel, and the both sides, top respectively are provided with a flange-interface 6.1, built-in dividing plate 6.2 and screen 6.3.Dividing plate 6.2 is separated into two independences that intake pipe 2.2 and waste pipe 2.3 with the pump housing 2 link with water tank 6, and screen 6.3 top margins are positioned at water tank 6 waists, and this structure makes the water of introducing water tank 6 form gas-liquid separation through screen 6.3 overflows.The pump startup stage, under the acting in conjunction of providing current inner circulation structure and vapor-liquid separating structure for oneself, utilize the air that injects water entrance point in pump is taken in cyclic process out of in advance, move through a period of time, namely exclude all air of pump inlet end, facilitate the pump inlet end to form negative pressure, water enters the pump inlet end and realizes self-priming output under the barometric pressure effect.
Embodiment 2
The present embodiment structure is identical with embodiment, only the specification difference.The present embodiment flow has only 30m
3/ h, because flow is little, supporting return port 2.6 adopts circular hole, and its area is 400mm
2, this area accounts for intake pipe 2.2 areas 8.3% of spiral case 2.5.It is that reference point changes 160 counterclockwise that return port 2.6 in the present embodiment is located at cut water 2.7
0On the position, this position is in spiral case 2.5 beginning pressurizing area, and the water that is in the ring water channel 2.1 can normally overflow into realization water circulation in the spiral case 2.5.
Claims (4)
1. vertical self-sucking pump of providing circulating vapor-liquid separating structure for oneself, it comprises base (1), the pump housing (2), impeller (3), pump cover (4), motor (5), water tank (6) and carriage (7); The described pump housing (2) is directly installed on the base (1), motor (5) is positioned on the pump housing (2), face the coaxial installation impeller of output axle head (3) and the pump cover (4) of the pump housing (2), be connected by carriage (7) between motor (5) and the pump cover (4) and realize that impeller (3) and pump cover (4) cooperate with the pump housing (2); It is characterized in that: the described pump housing (2) has the double-layer water stream channel structure, the upper strata is provided with the spiral case (2.5) for impeller (3) rotating boosting, be provided with cut water (2.7) at spiral case (2.5) basic circle and waste pipe (2.3) intersection, the water intake that spiral case (2.5) is placed in the middle and bottom intake pipe (2.2) UNICOM, the waste pipe (2.3) of spiral case (2.5) and bottom ring water channel (2.1) UNICOM, be provided with return port (2.6) in spiral case (2.5) base end wall and connect ring water channel (2.1), the water that return port (2.6) constitutes waste pipe (2.3) output overflows the current inner circulation structure that returns in the spiral case (2.5) through ring water channel (2.1); The external tapping (2.4) of described waste pipe (2.3) and intake pipe (2.2) is rectangular-shaped, and external tapping (2.4) is positioned at the pump housing (2) one sides and mutually by arranging, external tapping up (2.4) is tightly connected by rectangular flange and water tank (6); Described water tank (6) is rectangular vessel, the both sides, top respectively are provided with a flange-interface (6.1), built-in dividing plate (6.2) and screen (6.3), dividing plate (6.2) is separated into two individual cavity that intake pipe (2.2) and waste pipe (2.3) with the pump housing (2) link with water tank (6), screen (6.3) top margin is positioned at water tank (6) waist, and this structure makes the water of introducing water tank (6) form gas-liquid separation through screen (6.3) overflow.
2. the vertical self-sucking pump of providing circulating vapor-liquid separating structure for oneself according to claim 1, it is characterized in that: described return port (2.6) is positioned on spiral case (2.5) base end wall, and its position is that reference point changes 120 counterclockwise with cut water (2.7)
0～160
0Arrange.
3. the vertical self-sucking pump of providing circulating vapor-liquid separating structure for oneself according to claim 1, it is characterized in that: described return port (2.6) area is intake pipe (2.2) area 9%～11% of spiral case (2.5).
4. the vertical self-sucking pump of providing circulating vapor-liquid separating structure for oneself according to claim 1, it is characterized in that: flange-interface (6.1) center of described water tank (6) is higher than spiral case (2.5) waterpower center line 270mm～300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191522 CN203189274U (en) | 2013-04-17 | 2013-04-17 | Vertical type self-priming pump of self-contained circulation type gas-liquid separation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191522 CN203189274U (en) | 2013-04-17 | 2013-04-17 | Vertical type self-priming pump of self-contained circulation type gas-liquid separation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189274U true CN203189274U (en) | 2013-09-11 |
Family
ID=49106137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320191522 Expired - Fee Related CN203189274U (en) | 2013-04-17 | 2013-04-17 | Vertical type self-priming pump of self-contained circulation type gas-liquid separation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195720A (en) * | 2013-04-17 | 2013-07-10 | 江苏振华泵业制造有限公司 | Vertical self-priming pump with circulating gas-liquid separating structures |
-
2013
- 2013-04-17 CN CN 201320191522 patent/CN203189274U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195720A (en) * | 2013-04-17 | 2013-07-10 | 江苏振华泵业制造有限公司 | Vertical self-priming pump with circulating gas-liquid separating structures |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105089576A (en) | Coalbed methane discharge and mining method and device | |
| CN203189274U (en) | Vertical type self-priming pump of self-contained circulation type gas-liquid separation structure | |
| CN202040088U (en) | High-efficiency, energy-saving and leakage-free vertical self-sucking pump | |
| CN201687726U (en) | Synchronous self-priming pump | |
| CN203702620U (en) | Efficient energy-saving water filling deviceof centrifugal pump | |
| CN103603806B (en) | A kind of strong self-priming double-sucking type self-priming pump | |
| CN103195720A (en) | Vertical self-priming pump with circulating gas-liquid separating structures | |
| CN202182037U (en) | Self-absorption smashing pump | |
| CN205243476U (en) | Novel coal bed gas discharging and extracting device | |
| CN105003443A (en) | Energy saving type centrifugal water pump | |
| CN201786680U (en) | Full-automatic strong self-priming centrifugal pump | |
| CN103133353B (en) | Self-suction centrifugal pump | |
| CN202673701U (en) | Impulsive type mine wind turbine submersible pump | |
| CN203453070U (en) | Self-sucking device with circulating exhaust function | |
| CN201818507U (en) | Self-control and self-absorption vertical water pump | |
| CN202250892U (en) | High-water-level self-absorption device for centrifugal pumps | |
| CN203783653U (en) | Special water tank for water jet air ejector | |
| CN110242581A (en) | Self priming pump a kind of easy to disassemble and that work efficiency is high | |
| CN108331804A (en) | A kind of filter method for development machine oil pump oil suction | |
| CN208669617U (en) | A kind of high-efficiency energy-saving combined type self-sucking | |
| CN220979870U (en) | Vacuumizing structure for water conservancy pump station | |
| CN206988125U (en) | A kind of single stage single suction volute pump | |
| CN203248371U (en) | High-performance clear water immersible pump | |
| CN214508856U (en) | Circulating water oxygen dissolving equipment | |
| CN220601760U (en) | Drainage system with built-in lifting and pushing pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 225500 No. 9, Jiangyan Avenue, Jiangyan Economic Development Zone, Taizhou, Jiangsu Patentee after: JIANGSU ZHENHUA PUMP INDUSTRY CO.,LTD. Address before: 225500 No. 9, Jiangyan Avenue, Jiangyan District, Jiangsu, Taizhou Patentee before: JIANGSU ZHENHUA PUMP MANUFACTURING CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 225500 Jiangyan Avenue No. 9, Jiangyan District, Taizhou City, Jiangsu Province (Jiangsu Zhenhua Pump Manufacturing Co., Ltd.) Patentee after: JIANGSU ZHENHUA PUMP MANUFACTURING CO.,LTD. Address before: 225500 Jiangyan Avenue No. 9, Jiangyan Economic Development Zone, Taizhou City, Jiangsu Province Patentee before: JIANGSU ZHENHUA PUMP INDUSTRY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 |