CN218717541U - Gas-liquid separation device for centrifugal pump - Google Patents
Gas-liquid separation device for centrifugal pump Download PDFInfo
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- CN218717541U CN218717541U CN202223014637.5U CN202223014637U CN218717541U CN 218717541 U CN218717541 U CN 218717541U CN 202223014637 U CN202223014637 U CN 202223014637U CN 218717541 U CN218717541 U CN 218717541U
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Abstract
The utility model belongs to the technical field of the centrifugal pump, especially, a gas-liquid separation device for on centrifugal pump, including the installation base, the upper surface of installation base fixed mounting respectively has centrifugal pump body and support frame, and the axle center department of support frame is provided with and is used for realizing the gas-liquid separation device of gas-liquid separation action to the liquid that contains a large amount of gases, realizes the action of two-stage centrifugal separation through this internal liquid that contains a large amount of gases of gas-liquid separation device convection inflow centrifugal pump. This a gas-liquid separation device for on centrifugal pump through setting up gas-liquid separation device, can realize containing the liquid of a large amount of gases to the inflow centrifugal pump body and realize two-stage centrifugal separation, and then improved the effect of gas-liquid separation efficiency widely.
Description
Technical Field
The utility model relates to a centrifugal pump technical field especially relates to a gas-liquid separation device for on centrifugal pump.
Background
Before the water pump is started, the pump and the water inlet are filled with water, after the water pump is operated, under the action of centrifugal force generated by high-speed rotation of the impeller, water in the impeller flow channel is thrown to the periphery and is pressed into the volute, a vacuum is formed at the impeller inlet, and water in the water tank is sucked along the water suction pipe under the external atmospheric pressure to supplement the space. The sucked water is thrown out by the impeller through the volute and enters the water outlet. Therefore, if the impeller of the centrifugal pump continuously rotates, water can be continuously sucked and pressed, and the water can be continuously lifted from a low position to a high position or a far position.
However, this pump cannot convey liquid containing a large amount of gas, which would enter the impeller and break the vacuum at the inlet of the impeller, so that liquid cannot be conveyed and entered, and also limits the practical range of the centrifugal pump.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that current centrifugal pump lacks the gas-liquid separation function, the utility model provides a gas-liquid separation device for on the centrifugal pump.
The utility model provides a gas-liquid separation device for on centrifugal pump, including the installation base, the last surface difference fixed mounting of installation base has centrifugal pump body and support frame, the axle center department of support frame is provided with and is used for realizing the gas-liquid separation device of gas-liquid separation action to the liquid that contains a large amount of gases, through gas-liquid separation device realizes the action of two-stage centrifugal separation to the liquid that contains a large amount of gases in the inflow centrifugal pump body.
Preferably, the gas-liquid separation device comprises a separation box arranged at the axis of the support frame, a stainless steel filter screen is fixedly arranged on the inner wall of the separation box, a liquid conveying pipe used for conveying liquid to the gas-liquid separation device is fixedly communicated with the outer surface of the separation box, and one end of the liquid conveying pipe is communicated with and extends into the separation box.
Preferably, the water outlet end of the infusion tube is fixedly communicated with a spiral tube, the spiral tube is coaxial with the separation box, a first air outlet hole is formed in the upper sides of the 2 nd and 3 rd rings from top to bottom of the spiral tube, and a second air outlet hole is formed in the upper sides of the 5 th and 6 th rings from top to bottom of the spiral tube.
Preferably, be located the 2 nd circle from top to bottom of spiral pipe first venthole is seted up the figure and is ten, is located the 3 rd circle from top to bottom of spiral pipe first venthole is seted up the figure and is eleven, is located the 5 th circle from top to bottom of spiral pipe the second venthole is seted up the figure and is forty two, is located the 6 th circle from top to bottom of spiral pipe the second venthole is seted up the figure and is forty six.
Preferably, the spiral pipe passes through fixture block fixed mounting in the inside of separator box, the play water end of separator box passes through the pipe and the end flange joint that intakes of centrifugal pump body, the installation sleeve that the top extended to the separator box upper surface is installed to the interior roof of separator box, the inner wall of installation sleeve is by lower supreme fixedly connected with retainer plate, sealing washer and spring respectively.
Preferably, the upper surface of retainer plate and the surface fixed connection of sealing washer, the one end fixedly connected with pressure ball of spring, the surface of pressure ball passes through the inner wall extrusion contact of spring and sealing washer, the fixed intercommunication of installation sleeve's interior roof has the blast pipe.
The utility model provides a beneficial effect does:
through setting up gas-liquid separation device, can realize containing the liquid of a large amount of gas in the inflow centrifugal pump body and realize two-stage centrifugal separation, and then improved the effect of gas-liquid separation efficiency widely.
Drawings
Fig. 1 is a schematic view of a gas-liquid separation device for a centrifugal pump according to the present invention;
FIG. 2 is a half-sectional perspective view of a separator box structure of a gas-liquid separator for use in a centrifugal pump according to the present invention;
fig. 3 is a perspective view of a centrifugal pump body structure of a gas-liquid separation device used in a centrifugal pump according to the present invention;
fig. 4 is a perspective view of a first air outlet structure of a gas-liquid separation device used in a centrifugal pump according to the present invention;
fig. 5 is a sectional view of a mounting sleeve structure of a gas-liquid separation device for a centrifugal pump according to the present invention.
In the figure: 1. installing a base; 2. a centrifugal pump body; 3. a support frame; 4. a separation tank; 5. a stainless steel filter screen; 6. a transfusion tube; 7. a spiral tube; 8. a first air outlet; 9. a second air outlet; 10. installing a sleeve; 11. a stationary ring; 12. a seal ring; 13. a spring; 14. pressing the ball; 15. and (4) exhausting the gas.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, a gas-liquid separation device for a centrifugal pump includes an installation base 1, a centrifugal pump body 2 and a support frame 3 are respectively and fixedly installed on the upper surface of the installation base 1, a gas-liquid separation device for performing a gas-liquid separation operation on liquid containing a large amount of gas is disposed at the axis of the support frame 3, and a two-stage centrifugal separation operation is performed on the liquid containing a large amount of gas flowing into the centrifugal pump body 2 through the gas-liquid separation device.
Further, in order to realize carrying the liquid that contains a large amount of gases to gas-liquid separation device, gas-liquid separation device is including installing the separator box 4 in 3 axle centers of support frame department, use through the cooperation of support frame 3 with separator box 4, play the effect of stable support to separator box 4, the inner wall fixed mounting of separator box 4 has stainless steel filter screen 5, realize the action of cleaing away to the remaining liquid drop in the gas after the separation, the external fixed surface intercommunication of separator box 4 has the transfer line 6 that is used for carrying liquid to gas-liquid separation device, the one end of transfer line 6 link up and extend to the inside of separator box 4, and then conveniently make the liquid that contains a large amount of gases before getting into centrifugal pump body 2, realize gas-liquid separation action to it through the gas-liquid separation device of this application, prevent that gas from causing the destruction to the vacuum of impeller entrance in centrifugal pump body 2.
Further, in order to realize carrying out centrifugal separation to the liquid that contains a large amount of gases, the fixed intercommunication of the play water end of transfer line 6 has spiral pipe 7, and spiral pipe 7 is coaxial with separator box 4, 2 from top to bottom at spiral pipe 7, first venthole 8 has been seted up to 3 rings's interior upside, 5 from top to bottom at spiral pipe 7, second venthole 9 has been seted up to 6 rings's interior upside, use through the cooperation of first venthole 8 with second venthole 9, realize two-stage centrifugal separation to the liquid that contains a large amount of gases.
Further, in order to improve the efficiency of gas-liquid separation, the number of the first air outlet holes 8 located in the 2 nd ring of the spiral pipe 7 from top to bottom is ten, the number of the first air outlet holes 8 located in the 3 rd ring of the spiral pipe 7 from top to bottom is eleven, the number of the second air outlet holes 9 located in the 5 th ring of the spiral pipe 7 from top to bottom is forty-two, and the number of the second air outlet holes 9 located in the 6 th ring of the spiral pipe 7 from top to bottom is forty-six.
Further, in order to realize discharging the gas after the separation, spiral pipe 7 passes through fixture block fixed mounting in the inside of separator box 4, the play water end of separator box 4 passes through the pipe and the intake end flange joint of centrifugal pump body 2, the installation sleeve 10 that the top extends to separator box 4 upper surface is installed to the interior roof of separator box 4, the inner wall of installation sleeve 10 is by supreme respectively fixedly connected with retainer plate 11 down, sealing washer 12 and spring 13, guaranteeing under this application gas-liquid separation device normal operating condition, the elasticity of its spring needs to choose for use according to actual demand.
Further, in order to ensure that the gas-liquid separation device can better perform gas-liquid separation action on liquid containing a large amount of gas, the upper surface of the fixing ring 11 is fixedly connected with the outer surface of the sealing ring 12, one end of the spring 13 is fixedly connected with the pressing ball 14, the outer surface of the pressing ball 14 is in pressing contact with the inner wall of the sealing ring 12 through the spring 13, and the inner top wall of the mounting sleeve 10 is fixedly communicated with the exhaust pipe 15.
Through setting up gas-liquid separation device, can realize containing the liquid of a large amount of gas in the inflow centrifugal pump body 2 and realize two-stage centrifugal separation, and then improved gas-liquid separation efficiency's effect widely.
The working principle is as follows: firstly, liquid containing a large amount of gas enters a spiral pipe 7 through a liquid conveying pipe 6, centrifugal acceleration is generated in the spiral pipe 7, so that the liquid containing a large amount of gas is gathered at the outer lower side of the spiral pipe 7 under the combined action of centrifugal force and gravity, the gas with relatively low relative density is gathered at the inner upper side of the spiral pipe 7, most gathered gas flows out of the spiral pipe 7 through a first gas outlet hole 8 formed in the spiral pipe 7, the gas passes through a stainless steel filter screen 5 under the inertia effect after centrifugal acceleration, residual liquid drops in the gas are removed through the stainless steel filter screen 5, and the purity of the gas in an exhaust pipe 15 is guaranteed;
along with the increase of the gas quantity passing through the stainless steel filter screen 5, the pressing ball 14 and the spring 13 are extruded, the spring 13 starts to contract after being stressed, the pressing ball 14 is driven to relieve the extrusion state of the sealing ring 12, and the gas flows out through the exhaust pipe 15;
step two, the residual liquid containing the gas continuously carries out centrifugal motion in the spiral pipe 7, and second air outlet holes 9 are formed in the inner upper sides of the 5 th circle and the 6 th circle from top to bottom of the spiral pipe 7, so that the residual liquid containing the gas can be subjected to centrifugal separation again, and the gas-liquid separation efficiency is greatly improved;
step three, the first air outlet holes 8 and the second air outlet holes 9 are formed, so that gas in the gas-liquid mixed fluid can be quickly and centrifugally thrown out, further, the number of the first air outlet holes 8 in the 2 nd circle from top to bottom of the spiral pipe 7 is set to be ten, the number of the first air outlet holes 8 in the 3 rd circle from top to bottom of the spiral pipe 7 is set to be eleven, the number of the second air outlet holes 9 in the 5 th circle from top to bottom of the spiral pipe 7 is set to be forty-two, the number of the second air outlet holes 9 in the 6 th circle from top to bottom of the spiral pipe 7 is set to be forty-six, further, the average gas volume on the opening sections of the first air outlet holes 8 and the second air outlet holes 9 reaches about 97%, and the gas-liquid separation efficiency is improved;
and step four, the liquid flowing out of the spiral pipe 7 flows into the centrifugal pump body 2 through the water outlet end of the separation box 4 and a guide pipe communicated with the water outlet end under the action of gravity.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A gas-liquid separation device for centrifugal pump, includes installation base (1), its characterized in that: the upper surface of installation base (1) is fixed mounting respectively has centrifugal pump body (2) and support frame (3), the axle center department of support frame (3) is provided with the gas-liquid separation who is used for realizing the gas-liquid separation action to the liquid that contains a large amount of gas, through gas-liquid separation realizes the action of two-stage centrifugal separation to the liquid that contains a large amount of gas in inflow centrifugal pump body (2).
2. A gas-liquid separating apparatus for a centrifugal pump according to claim 1, wherein: the gas-liquid separation device comprises a separation box (4) arranged at the axis of a support frame (3), a stainless steel filter screen (5) is fixedly arranged on the inner wall of the separation box (4), an infusion tube (6) used for conveying liquid to the gas-liquid separation device is fixedly communicated with the outer surface of the separation box (4), and one end of the infusion tube (6) is communicated with the inside of the separation box (4) and extends to the inside of the separation box (4).
3. A gas-liquid separating apparatus for a centrifugal pump according to claim 2, wherein: the fixed intercommunication of the play water end of transfer line (6) has spiral pipe (7), just spiral pipe (7) are coaxial with separator box (4) first venthole (8) have been seted up to the interior upside of 2 nd, 3 rd circle from top to bottom spiral pipe (7) second venthole (9) have been seted up to the interior upside of 5 th, 6 th circle from top to bottom spiral pipe (7).
4. A gas-liquid separating apparatus for a centrifugal pump according to claim 3, wherein: lie in spiral pipe (7) 2 nd circle from top to bottom first venthole (8) are seted up the figure and are ten, lie in spiral pipe (7) 3 rd circle from top to bottom first venthole (8) are seted up the figure and are eleven, lie in spiral pipe (7) 5 th circle from top to bottom second venthole (9) are seted up the figure and are forty two, lie in spiral pipe (7) 6 th circle from top to bottom second venthole (9) are seted up the figure and are forty six.
5. A gas-liquid separating apparatus for a centrifugal pump according to claim 4, wherein: spiral pipe (7) are through fixture block fixed mounting in the inside of separator box (4), the play water end of separator box (4) is through the pipe and the end flange joint that intakes of centrifugal pump body (2), installation sleeve (10) that the top extends to separator box (4) upper surface are installed to the interior roof of separator box (4), the inner wall of installation sleeve (10) is by supreme fixedly connected with retainer plate (11), sealing washer (12) and spring (13) respectively down.
6. A gas-liquid separating apparatus for a centrifugal pump according to claim 5, wherein: the surface fixed connection of the upper surface of retainer plate (11) and sealing washer (12), the one end fixedly connected with of spring (13) presses ball (14), the inner wall extrusion contact of spring (13) and sealing washer (12) is passed through to the surface of pressing ball (14), the fixed intercommunication of interior roof of installation sleeve (10) has blast pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014637.5U CN218717541U (en) | 2022-11-14 | 2022-11-14 | Gas-liquid separation device for centrifugal pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014637.5U CN218717541U (en) | 2022-11-14 | 2022-11-14 | Gas-liquid separation device for centrifugal pump |
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| CN218717541U true CN218717541U (en) | 2023-03-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117618989A (en) * | 2023-10-23 | 2024-03-01 | 山东明合地热能源开发有限公司 | Oil-gas-water three-phase separator |
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2022
- 2022-11-14 CN CN202223014637.5U patent/CN218717541U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117618989A (en) * | 2023-10-23 | 2024-03-01 | 山东明合地热能源开发有限公司 | Oil-gas-water three-phase separator |
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