CN218583487U

CN218583487U - Impeller and distributor

Info

Publication number: CN218583487U
Application number: CN202221498081.9U
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: 2023-03-07
Anticipated expiration: 2032-06-15

Abstract

The utility model provides an impeller and distributor, this impeller include impeller main part and reposition of redundant personnel piece, and wherein, impeller main part package rubbing board body and a plurality of blades of locating the plate body, and be equipped with a plurality of and the reposition of redundant personnel hole of blade one-to-one on the plate body, in addition, the plate body is located to reposition of redundant personnel piece integrated into one piece ground, and a plurality of blades set up along the circumference interval of reposition of redundant personnel piece to evenly reposition of redundant personnel, avoid the bias flow.

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 impeller comprises an impeller main body, wherein the impeller main body comprises a plate body and a plurality of blades arranged on the plate body, and a plurality of shunting holes which correspond to the blades one to one are formed in the plate body; and

the reposition of redundant personnel piece, reposition of redundant personnel piece integrated into one piece locates the plate body, it is a plurality of blade and a plurality of the reposition of redundant personnel hole along the circumference interval setting of reposition of redundant personnel piece.

According to the arrangement, the plurality of the shunting holes are arranged to increase shunting channels and evenly shunt flow, and the plurality of the blades are arranged in one-to-one correspondence with the shunting holes, so that gas and liquid in each shunting channel can conveniently flow out of the impeller, and bias flow is avoided; in addition, the impeller structure has been simplified and the branch flow has been made firmly with plate body integrated into one piece's design to the impact of accepted gas-liquid, blade and reposition of redundant personnel hole set up along the circumference interval of branch flow, with the branch flow piece after the gas-liquid blade evenly distribute the flow to each reposition of redundant personnel hole once more.

In an embodiment of the present invention, the splitter is a splitter cone, the large diameter end of the splitter cone is located on the plate body, and the small diameter end of the splitter cone is away from the plate body.

So set up, the plate body is located to the big footpath end of spreader cone, and the plate body setting is kept away from to the path end for accept the gas-liquid impact, avoid directly hitting the impeller terminal surface, guide the gas-liquid flow direction, the flow of being convenient for flows into the diffluence hole.

In an embodiment of the present invention, an included angle between the conical surface of the spreader cone and the horizontal plane of the plate body is a, and a value range of a is 30 ° < a <60 °.

So set up, contained angle A's value sets up between 30 to 60, and the reposition of redundant personnel awl conical surface of being convenient for contacts the gas-liquid to smooth reposition of redundant personnel flow.

In an embodiment of the present invention, the diameter of the large diameter end of the spreader cone is greater than the linear distance from the end of the spreader hole close to the spreader cone to the center of the plate body.

So set up, the major diameter end diameter of reposition of redundant personnel awl is greater than the straight-line distance that the tip that the reposition of redundant personnel hole is close to the reposition of redundant personnel awl is to plate body center, guarantees that gas-liquid shunts through the reposition of redundant personnel awl and directly flows to each reposition of redundant personnel hole and shunts.

In an embodiment of the present invention, the dividing member is a dividing groove formed by recessing the plate body.

According to the arrangement, the end face of the plate body is provided with the concave splitter box, so that gas and liquid enter the splitter box to form buffering and overflow to each splitter hole.

In one embodiment of the present invention, the splitter box is a conical groove, a semi-spherical groove or a trapezoidal groove; when the splitter box is a conical groove, the range of the included angle between the conical surface of the splitter box and the horizontal plane of the plate body is 35-60 degrees.

So set up, the cross-section layer that conical chute and hemisphere groove or dovetail groove do not have straight face gas-liquid impact to reduce the buffering and avoid the splitter box to warp, in addition, when the splitter box is the conical chute, the contained angle value range between the conical surface of splitter box and the horizontal plane of plate body is between 35 to 60, and the gas-liquid of being convenient for smoothly flows into in the splitter box and overflows to each diffluence vent and shunt once more.

In an embodiment of the present invention, the plurality of blades and the plurality of the shunting holes are uniformly distributed along the circumferential direction of the shunting member, and are radially arranged.

So set up, a plurality of blades and diffluence opening are evenly laid along the circumference of reposition of redundant personnel piece for the gas-liquid of reposition of redundant personnel piece drainage flows in each diffluence opening, and the blade evenly shunts once more, and in addition, a plurality of blades and diffluence opening guarantee that the reposition of redundant personnel is more balanced with radial setting, avoid the bias current.

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; along the length direction of blade body, it is a plurality of the guiding gutter interval sets up side by side.

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 the end of the blade body, which is far away from the blade body, and the notch is a saw-toothed 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.

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

Compared with the prior art, the utility model provides an impeller is when carrying out the gas-liquid reposition of redundant personnel, and gas-liquid and drainage to reposition of redundant personnel hole are accepted to the reposition of redundant personnel piece, avoid the bias current, and the blade on the reposition of redundant personnel hole carries out the gas-liquid reposition of redundant personnel.

In addition, the diversion trench or the notch on the splitter blade can evenly distribute the gas and the liquid on the splitter blade, so that uneven distribution is avoided.

Drawings

Fig. 1 is a schematic structural view of a splitter cone arranged on an impeller according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a splitter box provided on an impeller according to another embodiment of the present invention;

fig. 3 is a schematic structural view of a blade of an impeller having a diversion trench according to another embodiment of the present invention;

fig. 4 is a schematic view of a blade of an impeller having a notch according to another embodiment of the present invention;

fig. 5 is a schematic view of an angle a of a splitter cone on an impeller according to another embodiment of the present invention.

Reference numerals: 10. an impeller body; 11. a plate body; 111. a shunt hole; 12. a blade; 121. a blade body; 122. a flow dividing section; 1221. a diversion trench; 1222. a notch; 20. a flow splitter; 21. a spreader cone; 22. 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 efforts 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 to 4, the utility model provides an impeller, this impeller includes impeller main part 10 and reposition of redundant personnel 20, impeller main part 10 includes plate body 11 and blade 12, and on a plurality of blades 12 located plate body 11, be equipped with a plurality of diffluence holes 111 on the plate body 11, diffluence holes 111 and blade 12 one-to-one, the plate body is located to reposition of redundant personnel integrated into one piece, a plurality of blades 12 and diffluence holes 111 set up along the circumference interval of reposition of redundant personnel 20 in order to evenly shunt liquid, avoid the bias flow.

In addition, the plate body 11 is located to reposition of redundant personnel piece 20 integrated into one piece, simplifies the impeller structure, and the gas-liquid of being convenient for evenly shunts to each reposition of redundant personnel hole 111, and a plurality of blades 12 set up along the circumference interval of reposition of redundant personnel piece 20 for shunt 20 shunts to the gas-liquid of reposition of redundant personnel hole 111 and carries out the water conservancy diversion, guarantees to shunt evenly.

This impeller adopts reposition of redundant personnel 20 and impeller main part 10 integrated into one piece's design, do not establish the gas-liquid that connecting portion are convenient for reposition of redundant personnel 20 reposition of redundant personnel and directly flow into reposition of redundant personnel hole 111, avoid the connecting portion gap to produce the earial drainage, furtherly, reposition of redundant personnel 20 and blade 12 cooperation work, carry out the reposition of redundant personnel through reposition of redundant personnel piece 20 with impeller main part 10 integrated into one piece earlier with the gas-liquid, and carry out the secondary reposition of redundant personnel to blade 12 with the gas-liquid drainage of once shunting, the gas-liquid is drained to each reposition of redundant personnel hole 111, flow into again and carry out even reposition of redundant personnel on the blade 12 as to reposition of redundant personnel hole 111 one-to-one.

It should be understood by those skilled in the relevant art that when the impeller body 10 is applied to a distributor, the impeller body is installed in a distributor cavity, and the direction of the flow split by the flow split member 20 corresponds to the gas-liquid inlet/outlet of the distributor.

Referring to fig. 1 to 2, the flow divider 20 may be a flow divider 21 or a flow dividing groove 22, specifically, the flow divider 21 and the plate body 11 are integrally formed, the flow divider 21 is used to guide the gas and liquid to the flow dividing hole 111 after primary flow dividing, and perform secondary uniform flow dividing through the blade 12, and in addition, the flow dividing groove 22 and the plate body 11 are integrally formed, and after the gas and liquid flow into the flow dividing groove 22 for buffering, the gas and liquid flow overflows to the flow dividing hole 111 for uniform flow dividing.

Referring to fig. 3 to 4, the blade 12 includes a splitter 122, the splitter 122 may be a guiding slot 1221 or a notch 1222, specifically, the guiding slot 1221 is provided on the blade 12 to better divide the air and liquid on the blade uniformly, and the notch 1222 is provided on the blade 12 to better divide the air and liquid on the blade 12 uniformly.

In one embodiment, as shown in fig. 1, the splitter 20 is a splitter cone 21, a large-diameter end of the splitter cone 21 is disposed on the plate body 11 and is integrally formed with the plate body 11, and a small-diameter end of the splitter cone 21 is disposed away from the plate body 11, specifically, the gas-liquid flows along the conical surface through the small-diameter end of the splitter cone 21 to the large-diameter end of the splitter cone 21, and the gas-liquid is split once during the flowing process, and the split gas-liquid is guided to each of the splitter holes 111. But not limited thereto, the size of the large-diameter end of the diversion cone 21 is designed to be larger than the distance from each diversion hole 111 to the center of the plate body 11, so that the gas-liquid once diverted by the diversion cone 21 is directly guided to the diversion holes 111, and the phenomenon of bias flow caused by the gas-liquid flowing through the plate body 11 is avoided.

In one embodiment, as shown in fig. 1 to 5, an included angle (acute angle) between the conical surface of the splitter cone 21 and the horizontal plane of the plate body 11 is a, and a is in a range of 30 ° < a <60 °, so as to split the gas and the liquid uniformly at one time. But not limited thereto, the included angle a is adjusted within a value range according to the gas-liquid separation of different materials, for example, the value range of a is selected to be 35 ° < a <40 ° to uniformly separate the gas-liquid and the gas-liquid separated at one time is guided to each of the separation holes 111.

In an embodiment, as shown in fig. 1 to 4, the diameter of the large-diameter end of the splitter cone 21 is larger than the linear distance from the end of the splitter hole 111 close to the splitter cone 21 to the center of the plate body, so that after the gas-liquid is split once by the splitter cone 21, the gas-liquid directly flows into each splitter hole 111 for secondary splitting.

In one embodiment, as shown in fig. 1 to 4, the splitter 20 is a splitter 22 for buffering the gas and liquid from top to bottom, and specifically, the splitter 22 is formed by recessing from the surface of the plate 11, when the gas and liquid enters the impeller for splitting, the gas and liquid flows into the splitter 22, and overflows when reaching a certain amount, and the overflowed gas and liquid are split into the splitter holes 111.

Further, the splitter box 22 may be a tapered slot, a hemispherical slot, or a trapezoidal slot, specifically, the splitter box 22 is a tapered slot, the gas and liquid flows to the small-diameter end through the tapered surface of the tapered slot until flowing over the splitter box 22, the overflowing gas and liquid flows to each splitter hole 111 to be evenly split, the splitter box 22 is a hemispherical slot, the gas and liquid flows to the hemispherical slot through the spherical surface until flowing over the splitter box 22, the overflowing gas and liquid flows to each splitter hole 111 to be evenly split, but not limited thereto, the splitter box 22 may also be a trapezoidal slot, and the trapezoidal slot can bear the impact force when more gas and liquid flows into the splitter box 22, so that the splitter box 22 is not easily deformed. Similarly, when the splitter box 22 is a conical box, the included angle (acute angle) between the conical surface of the splitter box 22 and the horizontal plane of the plate body 11 ranges from 35 ° to 60 °.

In an embodiment, as shown in fig. 1 to 4, the plurality of blades 12 and the shunting holes 111 are uniformly distributed along the circumferential direction of the shunting member 20, are radial, and correspond to each shunting hole 111 one by one, so as to guide the gas-liquid to each shunting hole 111 after the shunting member 20 performs primary shunting, and perform secondary uniform shunting on the plurality of blades 12 corresponding to each shunting hole 111 one by one.

Specifically, the flow dividing members 20 are uniformly arranged in a radial shape in the circumferential direction, so that the gas and the liquid are directly guided to the blades 12 in the flow dividing holes 111 after being divided for one time, and the flow deviation is avoided. However, the U-shaped grooves are additionally formed at the middle positions of the splitter 20 and the plurality of blades 12 uniformly arranged in each circumferential direction, each U-shaped groove corresponds to the splitter 111 one by one, and the gas and liquid primarily split by the splitter 20 directly flow into the splitter 111 through the U-shaped grooves and are secondarily split without bias flow.

In an embodiment, as shown in fig. 1 to 4, the blade 12 includes a blade body 121 and a flow dividing portion 122 disposed on the blade body 121, so as to better and uniformly divide the gas and liquid flowing to the blade 12 through the flow dividing hole 111, specifically, the flow dividing portion 122 is a flow guide groove 1221, the flow guide groove 1221 is formed by inward recessing from an end surface of the blade body 121 along a thickness direction of the blade body 121, the flow guide grooves 1221 are disposed on the blade body 121 at intervals and are arranged side by side along a length direction of the blade body 121, according to a phenomenon that different gas and liquid materials may adhere to the blade body 121, the flow guide grooves 1221 are disposed so as to uniformly divide the gas and liquid, and the flow guide groove 1221 is disposed along the length direction of the blade body 121, so as to divide the gas and liquid at a certain gradient to the outside of the blade body 121.

In addition, the shunting part 122 is a serrated notch 1222, and along the width direction of the blade body 121, the notch 1222 is disposed at one end of the blade body 121 away from the plate body 11 for uniformly shunting the gas and liquid flowing through the shunting hole 111 onto the blade 12, and the notch 1222 is disposed at one end of the shunting blade 12 away from the plate body 11, so that the blade 12 is shunted again through the serrated notch 1222 after being shunted twice by the slope, and uniform gas and liquid shunting is ensured. But not limited thereto, the blade body 121 is provided with a V-shaped groove and a V-shaped groove nozzle is additionally provided at one end of the V-shaped groove far away from the plate body 11 for uniform distribution, so as to avoid bias flow during distribution on the blade 12.

The utility model provides an impeller reposition of redundant personnel principle as follows: the impeller mainly utilizes reposition of redundant personnel piece 20 and blade 12 to shunt, when gas-liquid flows into the impeller, at first shunt once through reposition of redundant personnel piece 20, when reposition of redundant personnel piece 20 is reposition of redundant personnel awl 21, gas-liquid flows the conical surface through the path end of reposition of redundant personnel awl 21 and arrives reposition of redundant personnel awl 21 and shunt, reposition of redundant personnel awl 21 drains the gas-liquid of shunting to each reposition of redundant personnel hole 111 simultaneously, accomplish reposition of redundant personnel once, when reposition of redundant personnel piece 20 is reposition of redundant personnel groove 22, gas-liquid directly flows into reposition of redundant personnel groove 22 until flowing over fully, the gas-liquid of overflow is shunted to each reposition of redundant personnel hole 111, accomplish reposition of redundant personnel once, then flow into on the blade 12 of reposition of redundant personnel hole 111 one-to-one, when being equipped with guiding gutter 1221 on blade 12, the gas-liquid of flow to blade 12 evenly shunts through guiding gutter 1221, when being equipped with dentate breach 1222 on blade 12, the gas-liquid of flow to blade 12 evenly shunts through dentate breach 1222, accomplish secondary reposition of redundant personnel.

The features of the above-described embodiments may be combined arbitrarily, and for the sake of brevity, all possible combinations of the features in the above-described embodiments will not be described in detail, but should be construed as being within the scope of the present disclosure unless there is any conflict between such combinations of 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 by comprising

2. The impeller of claim 1, wherein the splitter is a splitter cone, the major diameter end of the splitter cone is disposed on the plate, and the minor diameter end of the splitter cone is distal from the plate.

3. The impeller according to claim 2, characterized in that the angle between the conical surface of the tap cone and the horizontal plane of the plate body is a, the value of a being in the range of 30 ° < a <60 °.

4. The impeller as claimed in claim 2, wherein the diameter of the large diameter end of the splitter cone is larger than the linear distance from the end of the splitter hole close to the splitter cone to the center of the plate body.

5. The impeller of claim 1, wherein the splitter is a splitter channel recessed from the plate body.

6. The impeller according to claim 5, wherein the splitter box is a conical or semi-spherical or trapezoidal slot;

when the splitter box is a conical slot, the included angle between the conical surface of the splitter box and the horizontal plane of the plate body ranges from 35 degrees to 60 degrees.

7. The impeller according to any one of claims 1 to 6, wherein a plurality of said blades and a plurality of said flow distribution holes are uniformly arranged along a circumferential direction of said flow distribution member and are radially arranged.

8. The impeller as claimed in claim 7, 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; and along the length direction of the blade body, a plurality of guide grooves are arranged side by side at intervals.

9. The impeller as claimed in claim 7, 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 serrated.

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