CN217979384U

CN217979384U - Impeller and distributor

Info

Publication number: CN217979384U
Application number: CN202221498072.XU
Authority: CN
Inventors: 闫佳林; 彭方华; 王文
Original assignee: Anhui Huahai Metal Co ltd
Current assignee: Anhui Huahai Metal Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-12-06
Anticipated expiration: 2032-06-15

Abstract

The utility model provides an impeller and distributor, this impeller package rubbing board body and a plurality of blade, wherein, be equipped with a plurality of diffluence holes that are radial circumference and distribute on the plate body, a plurality of blades correspond to every diffluence hole, the blade sets up with plate body integrated into one piece, along the axial of impeller, the blade sets up from the plate body orientation direction slope that deviates from the diffluence hole, and the width more than or equal to diffluence hole of blade projection to the plate body, avoid the gas-liquid to flow in the hole of blade and diffluence hole, with even reposition of redundant personnel.

Description

Impeller and distributor

Technical Field

The application relates to the technical field of distributors, in particular to an impeller and a distributor.

Background

The distributor in the market at present is equipped with the impeller of single form for reposition of redundant personnel gas-liquid two-phase refrigerant flow, guarantee that the flow can be distributed to a plurality of exit ends evenly in developments, the reposition of redundant personnel effect of impeller is vital to the normal effective work of distributor. However, the existing impeller structure has the problems of uneven flow distribution and bias flow of the gas-liquid two-phase refrigerant.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide an impeller and a distributor, which have uniform flow distribution.

The utility model provides an impeller, include:

the plate body is provided with a plurality of radial shunting holes which are distributed circumferentially; and

a plurality of blades, each the blade is corresponding to one the reposition of redundant personnel hole, the blade with plate body integrated into one piece sets up, along the axial of impeller, the blade certainly the plate body orientation deviates from the direction slope setting of reposition of redundant personnel hole, just the blade projection arrives the width more than or equal to of plate body the width of reposition of redundant personnel hole.

So set up, be equipped with on the plate body and be radial a plurality of diffluence holes, for drainage gas-liquid evenly shunts to the blade, a plurality of blades correspond the diffluence hole respectively and shunt, avoid the gas-liquid bias flow, blade and plate body integrated into one piece's setting, moreover, the steam-liquid reposition of redundant personnel of being convenient for, in addition, the blade sets up and the width that the blade projects the plate body from the plate body orientation deviates from the direction slope of diffluence hole is greater than the width of diffluence hole, when reaching the blade with the gas-liquid through the diffluence hole, guarantee that the gas-liquid can all flow through the blade and shunt, avoid the gas-liquid to directly to flow out the impeller through the diffluence hole.

In one embodiment of the present invention, the blade and the plate body are integrally formed by powder metallurgy; or

The blade and the plate body are integrally formed through 3D printing; or

The blade and the plate body are integrally formed through laser sintering.

So set up, the blade passes through powder metallurgy integrated into one piece with the plate body to practice thrift impeller preparation material, the blade passes through 3D with the plate body and prints integrated into one piece, and one shot forming is in order to practice thrift impeller preparation time, and the blade passes through laser sintering integrated into one piece with the plate body, and laser sintering finished product precision is high, and smooth blade is convenient for evenly shunt gas-liquid.

In an embodiment of the present invention, the impeller further includes a connecting portion, and the connecting portion connects the edge of the diversion hole and the side of the blade.

So set up, the border of reposition of redundant personnel hole and the side of blade are connected to connecting portion for strengthen the blade and accept the gas-liquid impact that flows in through the reposition of redundant personnel hole, stabilize blade and plate body integrated into one piece's structure.

In an embodiment of the present invention, the blade includes a blade body and a guiding groove, and the guiding groove is formed by being recessed inward from an end surface of the blade body along a thickness direction of the blade body; and along the length direction of the blade body, a plurality of guide grooves are arranged side by side at intervals.

So set up, the blade includes blade body and guiding gutter, and follows the thickness direction of blade body to carry out the secondary reposition of redundant personnel through the gas-liquid after reposition of redundant personnel awl or splitter box reposition of redundant personnel, the guiding gutter inwards caves in from the terminal surface of blade body and forms, and along the length direction of blade body, and a plurality of guiding gutters intervals set up side by side, are used for strengthening the flow on the splitter blade, avoid the too big and shunt inequality of flow on the reposition of redundant personnel hole inflow blade.

In an embodiment of the present invention, the blade includes a blade body and a notch, and the notch is located at an end of the blade body away from the blade body along a width direction of the blade body, and the notch is in a tooth shape.

So set up, the blade includes blade body and breach, and follows the width direction of blade body for the reposition of redundant personnel flows into the gas-liquid on the blade through the diffluence orifice, and in addition, the one end of keeping away from the plate body at the blade main part is equipped with dentate breach, with the gas-liquid on the even splitter blade.

In an embodiment of the invention, the blade is fan-shaped.

So set up, fan-shaped blade is convenient for when the gas-liquid flows through the blade body, smoothly flows into the guiding gutter and carries out the gas-liquid reposition of redundant personnel.

In an embodiment of the present invention, the cross-section of the blade is triangular, and the impeller is close to the width of one end of the plate body to the width of one end of the impeller deviating from the plate body becomes smaller gradually.

So set up, the cross-section of blade is triangle-shaped to produce the slope when shunting the blade, the cross-sectional width diminishes from the one end that is close to the plate body to the one end that deviates from the plate body gradually, makes the blade produce top-down's slope, the gas-liquid of being convenient for evenly shunts on the blade.

The utility model discloses an embodiment, the impeller still includes the reposition of redundant personnel piece, the reposition of redundant personnel piece with plate body integrated into one piece, it is a plurality of the diffluence hole is followed the equidistant setting of reposition of redundant personnel piece circumference is a plurality of the diffluence hole with the diffluence piece is radial distribution as the center.

So set up, put at the radiation central point of a plurality of diffluence orifices and be equipped with the reposition of redundant personnel piece for reposition of redundant personnel gas-liquid and with the gas-liquid drainage of reposition of redundant personnel to each diffluence orifice in, reposition of redundant personnel piece and plate body integrated into one piece, and a plurality of diffluence orifices along reposition of redundant personnel piece circumference equidistant setting, the gas-liquid of being convenient for is directly drained to the diffluence orifice, avoids producing the earage because of adding the connecting portion of establishing.

In an embodiment of the present invention, along the axial direction of the impeller, the flow dividing member is a flow dividing cone formed by an outward protrusion of the end surface of the plate body, or the flow dividing member is a flow dividing groove formed by an inward protrusion of the end surface of the plate body.

So set up, the reposition of redundant personnel piece is the reposition of redundant personnel awl, and along the axial of impeller, and the reposition of redundant personnel awl forms from the outside arch of terminal surface of plate body to reposition of redundant personnel gas-liquid and drainage gas-liquid to reposition of redundant personnel hole, the reposition of redundant personnel piece is for the splitter box of the inside sunken formation of terminal surface from the plate body, is used for caching the gas-liquid to flowing full whole splitter box, and the gas-liquid flow direction of overflow evenly shunts to each splitter box.

The utility model also provides a distributor, including above embodiment the impeller.

Compared with the prior art, the utility model provides an impeller increases the blade width when carrying out the gas-liquid reposition of redundant personnel, guarantees that the width that the slope blade projects the plate body is greater than the width of reposition of redundant personnel hole for the gas-liquid is shunted through the blade of flowing through completely of reposition of redundant personnel hole.

In addition, the guide part is additionally arranged on the blade to uniformly divide the gas and the liquid on the blade, so that uneven distribution is avoided.

Drawings

FIG. 1 is a schematic line view of a prior art blade;

fig. 2 is a schematic line view of the blade of the present invention;

fig. 3 is a schematic structural view of a splitter cone arranged on an impeller according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a splitter box provided on an impeller according to another embodiment of the present invention;

fig. 5 is a schematic partial sectional view of an impeller according to another embodiment of the present invention;

fig. 6 is a schematic structural view of a connecting portion provided on an impeller according to another embodiment of the present invention;

fig. 7 is a schematic structural view of a vane of an impeller having a flow guide groove according to another embodiment of the present invention;

fig. 8 is a schematic structural view of a blade of an impeller having a notch according to another embodiment of the present invention.

Reference numerals: 10. a plate body; 11. a shunt hole; 20. a blade; 21. a blade body; 22. a flow guide part; 221. a diversion trench; 222. a notch; 23. a cross section; 30. a connecting portion; 40. a flow divider; 41. a spreader cone; 42. a splitter box.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all of the associated listed items.

Referring to fig. 1, when the conventional impeller performs flow distribution or diversion, a fluid first passes through a flow distribution hole of the impeller 100A, then reaches the blades 200A, and is further diverted by the blades 200A, so that when the impeller 100A is applied to a distributor, gas and liquid which are expected to flow out through a distribution port of the distributor are uniformly mixed. However, the existing blade is manufactured by a press forming method, after being stamped, the blade 200A has an inclination angle, and a certain gap Δ L1 is formed between the inclination angle and the side wall where the diversion hole of the impeller 100A is located, and at this time, the width of the plane projection of the blade 200A on the impeller 100A is smaller than the width of the diversion hole. Due to the existence of the gap, part of the liquid cannot contact with the blades when passing through the diversion hole, namely the part of the liquid cannot be guided by the blades, and the gas and liquid in the distributor can be caused to be uneven.

Referring to fig. 2, the blade 20 of the present application is obliquely disposed from the plate body 10 toward the direction departing from the dividing hole 11, and the width L1 of the blade 20 projected onto the plate body 10 is greater than or equal to the width of the dividing hole 11, that is, the width of the blade 20 projected onto the plate body 10 is equal to L1+ Δ L2, where Δ L2 may be zero, so that when the fluid passes through the dividing hole, all the fluid may contact the blade, thereby facilitating the uniform gas-liquid division in the distributor.

Referring to fig. 3 to 8, the utility model provides an impeller, this impeller includes plate body 10 and blade 20, and blade 20 and plate body 10 integrated into one piece, in addition, be equipped with a plurality of diffluence holes 11 on the plate body 10, a plurality of diffluence holes 11 are radial and lay in plate body 10 for reposition of redundant personnel gas-liquid, a plurality of blades 20 and diffluence holes 11 one-to-one to the gas-liquid reposition of redundant personnel to each blade 20 of diffluence hole 11 of will flowing through, avoid the bias flow.

Specifically, blade 20 sets up towards the direction slope that deviates from diffluence hole 11 from plate body 10, and along the axial of impeller, and blade 20 projects the width more than or equal to diffluence hole 11's of plate body 10 width for the gas-liquid that will flow through diffluence hole 11 completely flows to blade 20 and shunts, avoids the gas-liquid to directly flow through the hole between blade 20 and the diffluence hole 11 through diffluence hole 11, is difficult to carry out even reposition of redundant personnel.

The impeller further comprises a connecting portion 30 and a flow dividing piece 40, wherein the connecting portion 30 is used for connecting the plate body 10 and the blades 20 and is used for stabilizing the arrangement of the blades 20 and the plate body 10 which are integrally formed, so that the blades 20 are prevented from being deformed due to impact when gas and liquid flow to the blades 20, and the strength is improved. In addition, reposition of redundant personnel piece 40 is installed on plate body 10 and with plate body 10 integrated into one piece, and a plurality of reposition of redundant personnel holes 11 set up along reposition of redundant personnel piece 40 equidistant circumference to relative reposition of redundant personnel piece 40 or use reposition of redundant personnel piece 40 as the center, be radial cloth in plate body 10, reposition of redundant personnel piece 40 carries out gas-liquid and once shunts the back with gas-liquid drainage to each reposition of redundant personnel hole 11 in, avoids the bias flow.

It should be understood by those skilled in the relevant art that, when the impeller plate 10 is applied to a distributor and is installed in a distributor cavity, the flow dividing direction of the flow dividing member 40 and the flow guiding direction of the blades 20 correspond to the gas-liquid inlet and outlet of the distributor respectively, and since the present application is directed to the improvement of the impeller structure, the content of the distributor will not be described later.

Referring to fig. 3 to 8, the blade 20 and the plate body 10 are integrally formed through powder metallurgy, according to different gas-liquid components, impellers of different materials are required to be used for gas-liquid diversion, the powder metallurgy can be used for processing various metal materials, and materials are saved when the blade 20 and the plate body 10 are integrally formed and processed, so that various gas-liquid diversion is facilitated; as other embodiments, the blades 20 and the plate body 10 can be integrally formed through 3D printing, since the impeller adopts an integrally formed design, damage is easily caused when a plurality of blades 20 are processed, the 3D printing can be formed according to various structures, and the problem that the impeller is difficult to be integrally formed due to special structure is avoided; the blades 20 and the plate body 10 can also be integrally formed through laser sintering, when gas and liquid enter the impeller to be shunted, the surfaces of all shunting parts of the impeller are required to be smooth to ensure uniform shunting, and the laser-sintered impeller has good precision and high strength, so that the shunting parts 40 and the blades 20 can be conveniently and uniformly shunted.

In one embodiment, as shown in fig. 6 to 7, the impeller includes a connecting portion 30 for connecting the plate body 10 and the blade 20, and specifically, the connecting portion 30 is connected to a side of the blade 20 from an edge of the flow dividing hole 11, so that when the gas and liquid flows to the blade 20 through the flow dividing hole 11, the connecting portion 30 stabilizes the blade 20 to prevent the blade 20 from being deformed or even broken due to the impact of the gas and liquid on the blade 20. But not limited to this, add at the blade 20 back and establish the strengthening rib, connect in the plate body 10 back, and the strengthening rib is according to the inclination adjustment height of blade 20, guarantees that blade 20 accepts the gas-liquid impact of different dynamics.

Further, when the blade 20 is inclined at one side, a single connecting portion 30 is provided to support the single-side blade 20 to receive the gas-liquid flow, and when the blade 20 is inclined at two sides, two connecting portions 30 are provided to support the double-side blade 20 to receive the gas-liquid flow, and the number of the connecting portions 30 is selected according to the inclination angle of the blade 20 and the force required to receive the gas-liquid flow, so as to stabilize the structure of the blade 20 and the plate 10 which are integrally formed.

As shown in fig. 7 to 8, the vane 20 includes a vane body 21 and a flow guiding portion 22, and the flow guiding portion 22 is disposed on the vane body 21 for uniformly distributing the gas and liquid flowing to the vane 20 through the flow distribution hole 11.

Specifically, in an embodiment, the flow guiding portion 22 includes a plurality of guiding grooves 221 for dividing the gas and liquid on the blade 20, the guiding grooves 221 are formed by recessing inward from the end surface of the blade body 21 along the thickness direction of the blade body 21, the guiding grooves 221 are arranged in the blade body 21 side by side at intervals along the length direction of the blade body 21, the guiding grooves 221 are convenient for dividing the gas and liquid on the blade 20, and are arranged side by side at intervals to divide the gas and liquid on the blade 20 uniformly, so as to avoid bias flow caused when the blade 20 divides the flow; in another embodiment, the flow guiding portion 22 is a tooth-shaped notch 222, the notch 222 is disposed at an end of the blade body 21 away from the plate body 10 along a width direction of the blade body 21, and the gas and liquid flowing to the blade 20 through the flow dividing hole 11 for flow dividing are uniformly divided through the tooth-shaped notch 222. But not limited thereto, a nozzle is added to the end of the blade 20 away from the plate body 10 for evenly dividing the gas and liquid.

In one embodiment, as shown in fig. 3 to 5, the blades 20 are fan-shaped, so that the blades 20 can split gas and liquid; in another embodiment, as shown in fig. 6, the cross section 23 of the blade 20 is triangular, so that the gas and liquid flow through the blade 20 has a gradient for splitting, further, the width of the cross section 23 of the blade 20 gradually decreases from the end close to the plate body 10 to the end away from the plate body 10, and the gas and liquid flowing to the blade 20 through the splitting hole 11 split along the blade 20 with the triangular cross section 23. But not limited thereto, the cross-section 23 of the vane 20 is configured to be arc-shaped, so as to uniformly divide the gas and liquid on the vane 20.

In an embodiment, as shown in fig. 3 to 4, the plate body 10 further includes a flow divider 40 for dividing the gas and liquid entering the impeller once, the flow divider 40 is disposed at the radiation center of the plurality of flow dividing holes 11 and integrally formed with the plate body 10, so that the flow divider 40 divides the gas and liquid into the flow dividing holes 11 for uniform flow dividing after dividing the gas and liquid once, and in addition, the flow divider 40 and the plate body 10 are integrally formed, so that the flow divider 40 directly divides the gas and liquid into the flow dividing holes 11, and the occurrence of leakage to the connecting portion due to the addition of the connecting portion is avoided. The splitter 40 may be a splitter cone 41 or a splitter groove 42, and the splitter cone 41 is formed by protruding outward from the end face of the plate body 10, and the splitter groove 42 is formed by recessing inward from the end face of the plate body 10 in the axial direction of the impeller.

Specifically, when the flow divider 40 is the flow divider 41, the flow divider 41 divides the gas and liquid for the first time, and guides the divided gas and liquid to each of the flow dividing holes 11 for the second time, and when the flow divider 40 is the flow dividing groove 42, the gas and liquid entering the impeller directly flow into the flow dividing groove 42 to be buffered until overflowing, and the overflowing gas and liquid flow into the flow dividing holes 11 to be evenly divided.

The utility model provides an impeller reposition of redundant personnel principle as follows: the impeller mainly utilizes blade 20 to evenly shunt, reposition of redundant personnel piece 40 cooperation is shunted, when gas-liquid flows into the impeller, at first shunt once through reposition of redundant personnel piece 40, gas-liquid after the reposition of redundant personnel flows into each diffluence orifice 11, because of the width more than or equal to width of diffluence orifice 11 of blade 20 projection to plate body 10, the direct guiding part 22 that flows into the gas-liquid of diffluence orifice 11 and flows to blade 20, when guiding part 22 is guiding gutter 221, the gas-liquid that flows into blade 20 carries out evenly shunting through guiding gutter 221, accomplish the secondary reposition of redundant personnel, when guiding part 22 is dentate breach 222, the gas-liquid that flows into blade 20 carries out evenly shunting through dentate breach 222, accomplish the secondary reposition of redundant personnel.

The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims

1. An impeller, characterized in that it comprises

2. The impeller according to claim 1, characterized in that said blades are integrally formed with said plate body by powder metallurgy; or

The blade and the plate body are integrally formed through 3D printing; or

The blade and the plate body are integrally formed through laser sintering.

3. The impeller of claim 1, further comprising a connecting portion connected to a side of the blade from a rim of the tap hole.

4. The impeller as claimed in claim 1, wherein the blade includes a blade body and a guide groove formed by recessing inward from an end surface of the blade body in a thickness direction of the blade body; along the length direction of blade body, it is a plurality of the guiding gutter interval sets up side by side.

5. The impeller as claimed in claim 1, wherein the blade includes a blade body and a notch, the notch is disposed at an end of the blade body away from the plate body along a width direction of the blade body, and the notch is toothed.

6. The impeller of claim 1, wherein said blades are fan-shaped.

7. The impeller as claimed in claim 1, wherein the blades have a triangular cross-section and gradually decrease in width from an end of the impeller adjacent to the plate to an end of the impeller facing away from the plate.

8. The impeller of claim 1, further comprising a splitter integrally formed with the plate, wherein the plurality of splitter holes are circumferentially and equidistantly disposed along the splitter, and the plurality of splitter holes are radially distributed about the splitter.

9. The impeller according to claim 8, wherein the flow dividing member is a flow dividing cone formed by protruding outward from the end surface of the plate body or a flow dividing groove formed by recessing inward from the end surface of the plate body in the axial direction of the impeller.

10. A dispenser, comprising an impeller according to any one of claims 1 to 9.