CN203189271U - Liquid self-supercharging device for pump - Google Patents
Liquid self-supercharging device for pump Download PDFInfo
- Publication number
- CN203189271U CN203189271U CN 201320116558 CN201320116558U CN203189271U CN 203189271 U CN203189271 U CN 203189271U CN 201320116558 CN201320116558 CN 201320116558 CN 201320116558 U CN201320116558 U CN 201320116558U CN 203189271 U CN203189271 U CN 203189271U
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- pump
- liquid
- impeller
- counter
- rotating
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Abstract
The utility model belongs to the field of fluid conveying, and particularly relates to a liquid self-supercharging device for a pump. The liquid self-supercharging device for the pump comprises a pump shell body, a reversal pump shell body and an end cover, wherein the pump shell body, the reversal pump shell body and the end cover are connected in sequence from front to back. A pump impeller is arranged in the pump shell body. An impeller ring of the pump impeller is installed on the inner wall of the pump shell body through a bearing. An inner cavity of the pump shell body is divided into a pump liquid inlet cavity and a pump liquid outlet cavity by the pump impeller. The pump liquid inlet cavity and the pump liquid outlet cavity are communicated with a pump liquid inlet and a pump liquid outlet respectively. A reversal pump impeller is arranged in the reversal pump shell body. An impeller shaft of the reversal pump impeller is installed on the inner wall of the reversal pump shell body through a bearing. The pump impeller and the reversal pump impeller rotate coaxially. A reversal pump liquid inlet cavity is communicated with the pump liquid inlet through a liquid inlet pipe. A reversal pump liquid outlet is formed in the end cover. According to the liquid self-supercharging device for the pump, external dynamic power mechanical driving is not needed and part of liquid can be supercharged through the energy of the liquid so that the effect of energy saving can be achieved. Each bearing is directly lubricated through conveyed liquid, so that external lubricant is not needed, shaft extension and shaft sealing do not need to be input, and complete leakage-free operation is guaranteed.
Description
Technical field
The utility model relates to a kind of pump liquid self-supercharging device, is used for the fluid transportation art.
Background technique
In the process industry field, usually need a part of liquid supercharging in certain system is used for other system.For making the liquid supercharging, use fluid machineries such as vane pump, displacement pump usually.The characteristics of vane pump, displacement pump are can work under the driving of externally dynamic power machine (as motor, diesel engine etc.), partly are converted into liquid energy by the mechanical energy with external impetus machinery, make fluid pressure reach system requirements.Because number of devices is more, the operation maintenance difficulty is higher, and need to consume extra power, adopt vane pump, displacement pump to have certain narrow limitation for the liquid supercharging.
The model utility content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of rational in infrastructure, can utilize the liquid self-energy to be a part of liquid supercharging, save the pump liquid self-supercharging device of extra power.
Pump described in the utility model liquid self-supercharging device, the pump case that connects in turn before and after comprising, counter-rotating pump case and end cap, be provided with pump impeller in the pump case, the impeller port ring of pump impeller is installed on the pump case inwall by bearing, pump impeller is divided into the pump admission chamber with the pump case inner chamber, pump sap cavity, the pump admission chamber, pump sap cavity respectively with the pump liquid entering hole, the pump liquid outlet communicates, be provided with the counter-rotating pump impeller in the counter-rotating pump case, the impeller shaft of counter-rotating pump impeller is installed on the counter-rotating pump case inwall by bearing, pump impeller and counter-rotating pump impeller coaxial rotation, counter-rotating pump admission chamber is communicated with the pump liquid entering hole by liquid inlet pipe, and end cap is provided with counter-rotating pump liquid outlet.
Working principle and process:
The liquid along continuous straight runs enters the pump liquid entering hole, part liquid enters counter-rotating pump admission chamber by liquid inlet pipe, because this place's pressure is higher than the pressure at counter-rotating pump liquid outlet place, under differential pressure action, liquid self reversal pump admission chamber flows to counter-rotating pump liquid outlet, the driver inversion pump impeller rotates at a high speed simultaneously, and pump impeller is rotation at a high speed thereupon also; Another part liquid enters the pump admission chamber, enters after the pump impeller place of rotation at a high speed obtains energy and pumps sap cavity, is pumping sap cavity, and liquid kinetic energy is converted to pressure energy, and fluid pressure increases and upwards discharges through the pump liquid outlet.Thus, this device has namely realized utilizing the liquid self-energy to be the purpose of a part of liquid supercharging.
Described pump impeller is connected by the impeller shaft of steel-wire screw-socket with the counter-rotating pump impeller, thereby makes pump impeller and counter-rotating pump impeller coaxial rotation.
The front shroud place of described counter-rotating pump impeller arranges thrust-bearing.Bear axial force by thrust-bearing, thrust-bearing directly by carrying liquid lubrication, need not external oiling agent.
The center of the center of described pump liquid entering hole and pump liquid outlet is on same plane.
Described pump admission chamber, counter-rotating pump admission chamber all adopt ring runner.
The described sap cavity that pumps adopts spiral flow channel.
The beneficial effect that the utility model compared with prior art has is:
This pump need not the external impetus Mechanical Driven with the liquid self-supercharging device, can utilize the liquid self-energy for a part of liquid supercharging, has reached energy-saving effect; Rational in infrastructure, solved the number of devices cost height that bring, problem that the operation maintenance difficulty is high more; Each bearing directly by carrying liquid lubrication, need not external oiling agent, thereby need not to import shaft extension and axle envelope, can guarantee not have fully the leakage operation.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 left side is the left view of Fig. 1, and right-hand part is the A-A sectional view;
Fig. 3 is the B-B sectional view of Fig. 1.
Among the figure: 1, pump admission chamber; 2, bearing; 3, pump case; 4, pump liquid outlet; 5, pump sap cavity; 6, pump impeller; 7, steel-wire screw-socket; 8, bearing; 9, impeller shaft; 10, counter-rotating pump impeller; 11, counter-rotating pump admission chamber; 12, counter-rotating pump case; 13, thrust-bearing; 14, end cap; 15, counter-rotating pump liquid outlet; 16, pump liquid entering hole; 17, liquid inlet pipe.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
Shown in Fig. 1～3, this pump liquid self-supercharging device, the pump case 3 that connects in turn before and after comprising, counter-rotating pump case 12 and end cap 14, be provided with pump impeller 6 in the pump case 3, the impeller port ring of pump impeller 6 is installed on pump case 3 inwalls by bearing 2, pump impeller 6 is divided into pump admission chamber 1 with pump case 3 inner chambers, pump sap cavity 5, pump admission chamber 1, pump sap cavity 5 respectively with pump liquid entering hole 16, pump liquid outlet 4 communicates, be provided with counter-rotating pump impeller 10 in the counter-rotating pump case 12, the impeller shaft 9 of counter-rotating pump impeller 10 is installed on counter-rotating pump case 12 inwalls by bearing 8, pump impeller 6 is connected by the impeller shaft 9 of steel-wire screw-socket 7 with counter-rotating pump impeller 10, guarantee pump impeller 6 and counter-rotating pump impeller 10 coaxial rotation, counter-rotating pump admission chamber 11 is communicated with pump liquid entering hole 16 by liquid inlet pipe 17, and end cap 14 is provided with counter-rotating pump liquid outlet 15.
Wherein:
The front shroud place of counter-rotating pump impeller 10 arranges thrust-bearing 13, bears axial force; The center of the center of pump liquid entering hole 16 and pump liquid outlet 4 is on same plane; Pump admission chamber 1, counter-rotating pump admission chamber 11 all adopt ring runner, pump sap cavity 5 and adopt spiral flow channel.
Working principle and process:
The liquid along continuous straight runs enters pump liquid entering hole 16, part liquid enters counter-rotating pump admission chamber 11 by liquid inlet pipe 17, because this place's pressure is higher than the pressure at counter-rotating pump liquid outlet 15 places, under differential pressure action, liquid self reversal pump admission chamber 11 flows to counter-rotating pump liquid outlet 15, driver inversion pump impeller 10 rotation at a high speed simultaneously, pump impeller 6 be rotation at a high speed thereupon also; Another part liquid enters pump admission chamber 1, enters after pump impeller 6 places of rotation at a high speed obtain energy and pumps sap cavity 5, is pumping sap cavity 5, and liquid kinetic energy is converted to pressure energy, and fluid pressure increases and upwards discharges through pump liquid outlet 4.
This device need not the external impetus Mechanical Driven, but utilizes the liquid self-energy for a part of liquid supercharging, has reached energy-conservation effect; Each bearing need not external lubrication, thereby need not to import shaft extension and axle envelope, can guarantee not have fully to leak and move.
Claims (6)
1. pump liquid self-supercharging device, it is characterized in that: the pump case (3) that connects in turn before and after comprising, counter-rotating pump case (12) and end cap (14), be provided with pump impeller (6) in the pump case (3), the impeller port ring of pump impeller (6) is installed on pump case (3) inwall by bearing, pump impeller (6) is divided into pump admission chamber (1) with pump case (3) inner chamber, pump sap cavity (5), pump admission chamber (1), pump sap cavity (5) respectively with pump liquid entering hole (16), pump liquid outlet (4) communicates, be provided with counter-rotating pump impeller (10) in the counter-rotating pump case (12), the impeller shaft (9) of counter-rotating pump impeller (10) is installed on counter-rotating pump case (12) inwall by bearing, pump impeller (6) and counter-rotating pump impeller (10) coaxial rotation, counter-rotating pump admission chamber (11) is communicated with pump liquid entering hole (16) by liquid inlet pipe (17), and end cap (14) is provided with counter-rotating pump liquid outlet (15).
2. pump according to claim 1 liquid self-supercharging device is characterized in that: described pump impeller (6) is connected by the impeller shaft (9) of steel-wire screw-socket (7) with the pump impeller (10) that reverses.
3. pump according to claim 1 liquid self-supercharging device, it is characterized in that: the front shroud place of described counter-rotating pump impeller (10) arranges thrust-bearing (13).
4. pump according to claim 1 liquid self-supercharging device, it is characterized in that: the center of the center of described pump liquid entering hole (16) and pump liquid outlet (4) is on same plane.
5. pump according to claim 1 liquid self-supercharging device is characterized in that: described pump admission chamber (1), counter-rotating pump admission chamber (11) all adopt ring runner.
6. pump according to claim 1 liquid self-supercharging device is characterized in that: described sap cavity (5) the employing spiral flow channel that pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320116558 CN203189271U (en) | 2013-03-14 | 2013-03-14 | Liquid self-supercharging device for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320116558 CN203189271U (en) | 2013-03-14 | 2013-03-14 | Liquid self-supercharging device for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189271U true CN203189271U (en) | 2013-09-11 |
Family
ID=49106134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320116558 Expired - Fee Related CN203189271U (en) | 2013-03-14 | 2013-03-14 | Liquid self-supercharging device for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948906A (en) * | 2017-04-19 | 2017-07-14 | 中国第汽车股份有限公司 | A kind of hydrocarbon spraying system from supercharging |
-
2013
- 2013-03-14 CN CN 201320116558 patent/CN203189271U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948906A (en) * | 2017-04-19 | 2017-07-14 | 中国第汽车股份有限公司 | A kind of hydrocarbon spraying system from supercharging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20180314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |