CN101922452B

CN101922452B - Pitot-turbo booster pump

Info

Publication number: CN101922452B
Application number: CN2010102901220A
Authority: CN
Inventors: 朱生
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-25
Filing date: 2010-09-25
Publication date: 2012-07-04
Anticipated expiration: 2030-09-25
Also published as: CN101922452A

Abstract

The invention relates to a pump, in particular to a pump for carrying out two-stage pressurization on a liquid. The pitot-turbo booster pump is characterized in that a pump body comprises a primary booster cavity and a secondary booster cavity, wherein, a rotation shell is positioned in the primary booster cavity; the pump body is also internally equipped with a turbo pressurizer which comprises a support, and the support is fixedly arranged on the pump body and internally equipped with a rotating shaft; one end of the rotating shaft is placed in the rotation shell and equipped with a turbo impeller, and the other end of the rotating shaft is placed in the secondary booster cavity and equipped with a booster impeller; and a guide channel is arranged between an inner cavity of the rotation shell and the secondary booster cavity, and the pump body is also equipped with an outflow channel which is conductive with the secondary booster cavity. By adopting the proposal, the invention overcomes the defect of the prior art, and provides a novel pitot-turbo booster pump which can improve efficiency, save energy and greatly increase pressure of the liquid at an outlet.

Description

Pitot-turbo booster pump

Technical field

The present invention relates to a kind of pump, particularly a kind of through liquid being carried out the pump of two-stage pressurization.

Background technique

At present; Also do not have through the pump that liquid is carried out two-stage pressurization with the present invention is akin, have only and a kind of liquid is carried out the pitot tube pump of single stage supercharging, disclose a kind of wear ring that is used for centrifugal pitot tube pump like the patent No. 200680006798.4; This patent has been carried out simple description to the Pitot tube pump structure; It roughly comprises pump casing, and this pump casing is formed for the housing of swivel assembly, and this swivel assembly is around static Pitot tube.Swivel assembly also comprises rotation casing and rotor cover, and they are used to seal Pitot tube together.Swivel assembly is with very high speed rotation, and when the fluid entering was rotated rotatably, it was drawn towards the inner circle wall of rotation casing.Static Pitot tube has opening and import, and this opening or import are located very near the inner circle wall that rotates casing.Run into the import of Pitot tube at the fluid of rotation casing high speed motion, and deliver to the outside of pump through pitot tube pump.Also there is the not enough shortcoming of outlet fluid pressure in the pitot tube pump of said structure.

Summary of the invention

The object of the invention:, provide a kind of and can raise the efficiency energy-conservation, the increase export novel Pitot-turbo booster pump of fluid pressure greatly in order to overcome the defective of existing technology.

Realize above-mentioned purpose; The present invention adopts following technological scheme: a kind of Pitot-turbo booster pump, include the pump housing, through the transmission shaft of bearing fixing on the pump housing, said transmission shaft one end be fixed with revolve shell, the said pump housing is provided with the flow channel that flows into the inner chamber that revolves shell for liquid; It is characterized in that: the said pump housing includes one-level booster cavity, two-stage supercharging chamber; The said shell that revolves is positioned at the one-level booster cavity, also is provided with a turbocharger in the said pump housing, and this turbocharger includes support; This support is fixedly installed on the pump housing; Be provided with a rotatingshaft in the said support, said rotatingshaft one end places and revolves in the shell and be provided with turbo wheel, and the said rotatingshaft the other end places in the two-stage supercharging chamber and is provided with the supercharging impeller; Be provided with pathway between said inner chamber that revolves shell and the two-stage supercharging chamber, the said pump housing is provided with the flow pass with the conducting of two-stage supercharging chamber.

Through adopting such scheme, we can increase the pressure of pump discharge place liquid greatly, in such scheme; Drive turbo wheel through the liquid in the one-level booster cavity and rotate, drive the high-speed rotation that rotatingshaft is realized the supercharging impeller at last through turbo wheel then, at this time the highly pressurised liquid in the two-stage supercharging chamber is once more through the turbine boosting impeller drive boost pressure that runs up; Flow out from flow pass at last; We utilize the turbine principle, science utilize the surplus highly pressurised liquid energy in the one-level booster cavity, improved efficient and reached energy-conservation requirement; The increase of science the pressure of trickle, satisfy people's demand.

Further setting of the present invention is: the end that said support is positioned at turbo wheel is provided with the end cap that is used to wrap up turbo wheel; Said end cap top is provided with the liquid that supplies to revolve the shell inner chamber and flows into the opening that drives the turbo wheel rotation in the end cap; Said rotatingshaft is positioned at turbo wheel one end and is located on the support through bearing bracket stand; The other end is located in the pump housing through bearing bracket stand; Be provided with at interval between said support internal surface and the rotatingshaft and constitute a septal pathways; Said support is positioned at an end that revolves the shell inner chamber and is provided with the connecting passage that shell inner chamber and septal pathways are revolved in connection, and connecting passage and septal pathways formation are revolved the inner chamber of shell and the pathway between the two-stage supercharging chamber, and the surface area of described turbo wheel is greater than the surface area of supercharging impeller; The described pump housing comprises pump housing seat, pump housing chamber frame, pump housing link press span and pump end cap successively; Connect through screw between them; Described transmission shaft passes through bearing fixing on pump housing seat; Described one-level booster cavity is positioned at pump housing chamber frame, and described two-stage supercharging pump is between pump housing link press span and pump end cap; The described pump housing comprises pump housing seat, pump housing chamber frame, pump housing link press span and pump end cap successively; Connect through screw between them; On pump housing seat, described one-level booster cavity is positioned at pump housing chamber frame to described transmission shaft through bearing fixing, and described two-stage supercharging chamber is between pump housing link press span and pump end cap; The end that described support is positioned at turbo wheel becomes horn-like; It is horn-like that described end cap also becomes, and the horn-like end of support and end cap are through the holding cavity of a ccontaining turbo wheel of screw formation, and the opening of the connecting passage on the said support is positioned at the periphery of the horn-like end of support; The described shell that revolves is by revolving housing and revolving cap and be fixedly connected and constitute; Revolve housing and revolve cap and be fixedly connected and constitute the inner chamber revolve shell; Wherein revolving housing is fixedly connected with transmission shaft; Describedly revolve the through hole that cap is provided with and revolves the conducting of shell inner chamber; The outer surface of said support and revolve cap and pump housing link press span between also be provided with septal pathways, described pump housing link press span is provided with via, above-mentioned through hole, septal pathways and via conducting constitute the flow channel that flows into the inner chamber that revolves shell for liquid on the pump housing.

Below in conjunction with accompanying drawing the present invention is further described.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the invention;

Fig. 2 is the I portion enlarged view among Fig. 1.

Embodiment

As depicted in figs. 1 and 2, a kind of Pitot-turbo booster pump includes the pump housing 1, passes through the transmission shaft 2 of bearing fixing on the pump housing 1; Said transmission shaft 2 one ends are fixed with and revolve shell 3, the said pump housing 1 and be provided with the flow channel 4 that flows into the inner chamber that revolves shell 3 for liquid, and in embodiments of the present invention, the said pump housing 1 includes one-level booster cavity 5, two-stage supercharging chamber 6; The said shell 3 that revolves is positioned at one-level booster cavity 5, also is provided with a turbocharger 7 in the said pump housing 1, and this turbocharger 7 includes support 71; This support 71 is fixedly installed on the pump housing 1, if the present invention does not consider the difficulty or ease of processing, we also can be wholely set the support 71 and the pump housing 1; Be provided with a rotatingshaft 72 in the said support 71, said rotatingshaft 72 1 ends place and revolve in the shell 3 and be provided with turbo wheel 73, and said rotatingshaft 72 the other ends place in the two-stage supercharging chamber 6 and are provided with supercharging impeller 74; Be provided with pathway 75 between said inner chamber 31 that revolves shell 3 and the two-stage supercharging chamber 6, the effect of this pathway 75 is to be transported to liquid in the two-stage supercharging chamber 6 from the inner chamber 31 that revolves shell 3, and the pump housing 1 is provided with the flow pass 8 with 6 conductings of two-stage supercharging chamber; The embodiment of the invention adopts such scheme; Can increase the pressure of pump discharge place liquid greatly, in such scheme, drive turbo wheel 73 through the liquid in the one-level booster cavity 5 and rotate; Drive the rotatingshaft 72 last high-speed rotation that realize supercharging impeller 74 through turbo wheel 73 then; At this time the highly pressurised liquid in two-stage supercharging chamber 6 drives boost pressure through supercharging impeller 74 once more, flows out from flow pass 8 at last, and we utilize the turbine principle; The increase of science the pressure of trickle, satisfy people's demand.

In embodiments of the present invention; The end that described support 71 is positioned at turbo wheel 73 becomes horn-like; This trumpet-shaped end is provided with trumpet-shaped end cap 76, and the horn-like end of support 71 and end cap 76 are through the holding cavity 761 of a ccontaining turbo wheel 73 of screw formation, and end cap 76 tops are provided with the liquid that supplies to revolve shell 3 inner chambers 31 and flow into the opening 762 that drives turbo wheel 73 rotations in the holding cavity 761; So just help liquid and flow into 73 rotations of holding cavity 761 drive turbo wheels; Certainly we also can not be provided with end cap 76, directly place the inner chamber 31 that revolves shell 3 to turbo wheel 73, and the shape of support 71 ends also can be set to other shape like this.Rotatingshaft 72 in embodiments of the present invention is positioned at turbo wheel 73 1 ends and is located on the support 71 through bearing bracket stand; The other end is located in the pump housing 1 through bearing bracket stand; Rotatingshaft 72 just is fixed on the special position of support 71 like this; Certainly we also can be provided with bearing fixing rotatingshaft 72 in other position; Formation one septal pathways 751 is set between present embodiment medium-height trestle 71 internal surfaces and the rotatingshaft 72 at interval, and said support 71 is positioned at an end that revolves shell 3 inner chambers 31 and is provided with the connecting passage 752 that shell inner chamber 31 and septal pathways 751 are revolved in connection, and connecting passage 752 and septal pathways 751 formations are revolved the inner chamber 31 of shell and the pathway 75 between the two-stage supercharging chamber 6; We also can adopt other modes that via 75 is set in the present embodiment, as are set directly on the support 71 or on the pump housing 1.In the present embodiment, the surface area of described turbo wheel 73 is greater than the surface area of supercharging impeller 74, and the rotatory force of supercharging impeller 74 is big like this, better effects if, and it is equally big to be arranged to surface area to them; In the embodiment of the invention; In order to process with easy for installation; The described pump housing 1 comprises pump housing seat 11, pump housing chamber frame 12, pump housing link press span 13 and pump end cap 14 successively, connects through screw between them, and transmission shaft 2 passes through bearing fixing on 1 of the pump housing like this; One-level booster cavity 5 is positioned at pump housing chamber frame 12; Two-stage supercharging chamber 6 is between pump housing link press span 13 and pump end cap 14, and above-mentioned mode is more reasonable, and we also can adopt other modes or pump housing seat 11, pump housing chamber frame 12, pump housing link press span 13 and pump end cap 14 to be wholely set certainly.In the present embodiment, the opening 7522 of the connecting passage 752 on the said support 71 is positioned at the periphery of the horn-like end of support 71, passes to the liquid of high pressure in the two-stage supercharging chamber 6 so exactly; In the present embodiment; The described shell 3 that revolves is by revolving housing 32 and revolving cap 33 and be fixedly connected and constitute; Revolve housing 32 and revolve cap 33 and be fixedly connected and constitute the inner chamber 31 revolve shell 3; Wherein revolve housing 32 and be fixedly connected, describedly revolve the through hole 41 that cap 33 is provided with and revolves 31 conductings of shell inner chamber with transmission shaft 2, the outer surface of said support 71 and revolve cap 33 and pump housing link press span 13 between also be provided with septal pathways 42; Described pump housing link press span 13 is provided with via 43, and above-mentioned through hole 41, septal pathways 42 and via 43 conductings constitute the flow channel 4 that flows into the inner chamber 31 that revolves shell 3 for liquid on the pump housing 1.

Claims

1. Pitot-turbo booster pump includes the pump housing, through the transmission shaft of bearing fixing on the pump housing, said transmission shaft one end be fixed with revolve shell, the said pump housing is provided with the flow channel that flows into the inner chamber that revolves shell for liquid; It is characterized in that: the said pump housing includes one-level booster cavity, two-stage supercharging chamber; The said shell that revolves is positioned at the one-level booster cavity, also is provided with a turbocharger in the said pump housing, and this turbocharger includes support; This support is fixedly installed on the pump housing; Be provided with a rotatingshaft in the said support, said rotatingshaft one end places and revolves in the shell and be provided with turbo wheel, and the said rotatingshaft the other end places in the two-stage supercharging chamber and is provided with the supercharging impeller; Be provided with pathway between said inner chamber that revolves shell and the two-stage supercharging chamber, the said pump housing is provided with the flow pass with the conducting of two-stage supercharging chamber.

2. Pitot-turbo booster pump according to claim 1; It is characterized in that: the end that said support is positioned at turbo wheel is provided with the end cap that is used to wrap up turbo wheel; Said end cap top is provided with the liquid that supplies to revolve the shell inner chamber and flows into the opening that drives the turbo wheel rotation in the end cap; Said rotatingshaft is positioned at turbo wheel one end and is located on the support through bearing bracket stand; The other end is located in the pump housing through bearing bracket stand, is provided with at interval between said support internal surface and the rotatingshaft to constitute a septal pathways, and said support is positioned at an end that revolves the shell inner chamber and is provided with the connecting passage that shell inner chamber and septal pathways are revolved in connection; Connecting passage and septal pathways formation are revolved the inner chamber of shell and the pathway between the two-stage supercharging chamber, and the surface area of described turbo wheel is greater than the surface area of supercharging impeller.

3. Pitot-turbo booster pump according to claim 1 and 2; It is characterized in that: the described pump housing comprises pump housing seat, pump housing chamber frame, pump housing link press span and pump end cap successively; Connect through screw between them; On pump housing seat, described one-level booster cavity is positioned at pump housing chamber frame to described transmission shaft through bearing fixing, and described two-stage supercharging pump is between pump housing link press span and pump end cap.

4. Pitot-turbo booster pump according to claim 2; It is characterized in that: the end that described support is positioned at turbo wheel becomes horn-like; It is horn-like that described end cap also becomes; The horn-like end of support and end cap are through the holding cavity of a ccontaining turbo wheel of screw formation, and the opening of the connecting passage on the said support is positioned at the periphery of the horn-like end of support.

5. Pitot-turbo booster pump according to claim 2; It is characterized in that: the described pump housing comprises pump housing seat, pump housing chamber frame, pump housing link press span and pump end cap successively; Connect through screw between them; On pump housing seat, described one-level booster cavity is positioned at pump housing chamber frame to described transmission shaft through bearing fixing, and described two-stage supercharging chamber is between pump housing link press span and pump end cap; The end that described support is positioned at turbo wheel becomes horn-like; It is horn-like that described end cap also becomes, and the horn-like end of support and end cap are through the holding cavity of a ccontaining turbo wheel of screw formation, and the opening of the connecting passage on the said support is positioned at the periphery of the horn-like end of support.

6. Pitot-turbo booster pump according to claim 3; It is characterized in that: the described shell that revolves is by revolving housing and revolving cap and be fixedly connected and constitute; Revolve housing and revolve cap and be fixedly connected and constitute the inner chamber revolve shell; Wherein revolve housing and be fixedly connected, describedly revolve the through hole that cap is provided with and revolves the conducting of shell inner chamber with transmission shaft, the outer surface of said support and revolve cap and pump housing link press span between also be provided with septal pathways; Described pump housing link press span is provided with via, and above-mentioned through hole, septal pathways and via conducting constitute the flow channel that flows into the inner chamber that revolves shell for liquid on the pump housing.