CN216897926U - Distributor and refrigerating system - Google Patents

Abstract

The application provides a distributor and refrigerating system, distributor inside be provided with the sprue and with a plurality of runners of sprue intercommunication, be provided with first through-hole and second through-hole on the wall of sprue, the axis of first through-hole, second through-hole and the axis of sprue intersect in an nodical, first through-hole and second through-hole are located the both sides of sprue. By adopting the design, the liquid distributor can impact the two-phase refrigerant, destroy the liquid boundary layer and bring stronger disturbance, thereby improving the phenomenon of non-uniformity of liquid in the two-phase refrigerant and achieving the purpose of uniform liquid distribution.

Description

Distributor and refrigerating system

Technical Field

The application relates to the technical field of refrigeration, in particular to a distributor and a refrigeration system.

Background

In the refrigeration system, the refrigerant state at the outlet of the condenser is high-pressure supercooled liquid, the high-pressure supercooled liquid is converted into a low-pressure gas-liquid two-phase state after passing through a throttling device, a distributor is connected behind the throttling device, and the two-phase flow medium is uniformly distributed to each flow path of the evaporator through the distributor by the refrigerant in the gas-liquid two-phase state. If the condensing pressure is not changed, the evaporating pressure is increased, and the refrigerating capacity and the refrigerating energy efficiency of the system can be improved. According to experience, the evaporation temperature is increased by 1 degree, and the refrigeration energy efficiency is increased by 3% -5%. Generally, in a specific refrigeration system, the refrigeration energy efficiency can be improved by increasing the refrigerant charging amount and increasing the refrigerant flow rate. However, if the load changes greatly and the operation condition fluctuates, the abnormal increase of the condensation pressure is easily caused, so that the system reports the high-pressure fault.

The liquid separation condition of the evaporator has a large influence on the overall performance of the heat exchanger, so that the refrigeration energy efficiency of the whole system is influenced, particularly, a refrigerant at an inlet of the evaporator usually adopts a gas-liquid two-phase refrigerant, and the distribution uniformity of the refrigerant entering each heat exchange pipeline of the evaporator is very important. The refrigerant enters the evaporator after being distributed by the distributor, so that in practical application, the situation that the heat exchange capacity of the heat exchanger cannot be fully utilized due to uneven liquid distribution of the distributor often exists, and the refrigeration energy efficiency of the whole refrigeration system is reduced.

Disclosure of Invention

It is a primary object of the present application to overcome at least one of the above-mentioned disadvantages of the prior art and to provide a distributor capable of achieving uniform distribution of refrigerant and thus improving refrigeration efficiency of a refrigeration system.

In order to achieve the purpose, the following technical scheme is adopted in the application:

according to an aspect of the application, a distributor is provided, including the distributor body, distributor body inside be provided with the sprue and with a plurality of runners of sprue intercommunication, be provided with first through-hole and second through-hole on the wall of sprue, the axis of first through-hole, the axis of second through-hole and the axis of sprue intersect in a nodical, first through-hole with the second through-hole is located the both sides of sprue.

According to one embodiment of the application, the axis of the first through hole is aligned with the axis of the second through hole.

According to one embodiment of the present application, the straight line where the axis of the first through hole and the axis of the second through hole are located is perpendicular to the axis of the main flow passage.

According to one embodiment of the present application, the first through hole and the second through hole are both located above a cross section of the primary flow passage where the intersection point is located.

According to one embodiment of the application, the first through hole and the second through hole are both located below a cross section of the primary flow channel where the intersection point is located.

According to one embodiment of the present application, the dispenser further comprises: the throttling ring is used for controlling the flow of the refrigerant entering the main flow channel; an inlet tube receives the refrigerant.

According to another aspect of the present application, there is provided a high efficiency refrigeration system capable of increasing refrigeration efficiency, comprising a compressor, a condenser, a throttling device, a distributor and an evaporator connected in a loop by a liquid transport pipe ending. The dispenser is the dispenser as described above.

According to one embodiment of the present application, the infusion tube includes a branch infusion tube and a main infusion tube.

According to one of the embodiments of the present application, the branch infusion tube has a tube diameter smaller than that of the main infusion tube.

According to one embodiment of the application, the branch infusion tube connects the condenser and the distributor, and the main infusion tube connects the condenser, the throttling device and the distributor in sequence.

According to one of the embodiments of the present application, the branch infusion tube includes a first branch infusion tube and a second branch infusion tube, the first through hole is connected to the condenser through the first branch infusion tube, and the second through hole is connected to the condenser through the second branch infusion tube.

According to the technical scheme, the distributor provided by the application has the advantages and positive effects that:

the utility model provides a distributor, including the distributor body, distributor body inside is provided with the sprue and with a plurality of runners of sprue intercommunication, is provided with first through-hole and second through-hole on the wall of sprue, the axis of first through-hole, second through-hole and the axis of sprue intersect in an nodical for the refrigerant of sprue can be strikeed to the refrigerant that two through-holes flowed into the sprue, first through-hole and second through-hole are located the both sides of sprue strengthen the impact force. The distributor provided by the application can realize the uniform mixing of the gas-liquid two-phase coolant, and fully utilizes the heat exchange capacity of the heat exchanger, so that the refrigerating capacity and the refrigerating energy efficiency of a refrigerating system adopting the distributor are improved.

Drawings

Various objects, features and advantages of the present application will become more apparent from the following detailed description of preferred embodiments thereof, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the application and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

fig. 1 is a schematic structural view of a first embodiment of the dispenser of the present application.

Fig. 2 is a cross-sectional view a-a of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a schematic structural view of a second embodiment of the dispenser of the present application.

Fig. 5 is a sectional view a-a of fig. 4.

Fig. 6 is a top view of fig. 4.

Fig. 7 is a schematic structural view of a third embodiment of the dispenser of the present application.

Fig. 8 is a cross-sectional view a-a of fig. 7.

Fig. 9 is a top view of fig. 7.

Fig. 10 is a schematic structural view of a fourth embodiment of the dispenser of the present application.

Fig. 11 is a sectional view a-a of fig. 10.

Fig. 12 is a top view of fig. 10.

Fig. 13 is a system schematic of the refrigeration system of the present application.

The reference numerals are explained below:

100. a dispenser;

101. a dispenser body;

102. a main flow channel;

103. branch flow channels;

104. a first through hole;

105. a second through hole;

106. a restrictor ring;

107 an inlet pipe;

200. a compressor;

300. a transfusion tube;

3001. a main infusion tube;

3002. branch transfusion tube;

30021. a first branch infusion tube;

30022. a second infusion tube;

400. a condenser;

500. a throttling device;

600. an evaporator.

Detailed Description

Exemplary embodiments that embody features and advantages of the present application are described in detail below in the specification. It is to be understood that the present application is capable of various modifications in various embodiments without departing from the scope of the application, and that the description and drawings are to be taken as illustrative and not restrictive in character.

In the following description of various exemplary embodiments of the present application, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration various exemplary structures, systems, and steps in which aspects of the application may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present application. When introducing elements/components/etc. described and/or illustrated herein, the terms "first," "second," and "third," etc. are used to indicate the presence of one or more elements/components/etc. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1-3, the distributor 100 of the present application includes a distributor body 101, a restrictor ring 106, and an inlet tube 107. A main flow channel 102 and a plurality of branch flow channels 103 communicated with the main flow channel 102 are arranged inside the distributor body 101, and a first through hole 104 and a second through hole 105 are arranged on the inner wall of the main flow channel 102. The axis of the first through hole 104, the axis of the second through hole 105 and the axis of the main flow passage intersect at an intersection point, and the first through hole 104 and the second through hole 105 are located on both sides of the main flow passage 102. Through the design, the refrigerant flowing into the main channel 102 from the first through hole 104 and the second through hole 105 impacts the refrigerant flowing into the main channel 102 through the inlet pipe 107, a liquid boundary layer of the refrigerant is damaged, disturbance is generated, and the condition of non-uniformity of liquid in two-phase refrigerant is improved.

In this embodiment, the distributor body 101 is substantially in a stepped cylindrical shape, a connecting position of a cylindrical portion with a smaller diameter and a cylindrical portion with a larger diameter forms an inlet of a main flow passage 102 of the distributor, an outlet position of the main flow passage 102 is communicated with the plurality of branch flow passages 103, the plurality of branch flow passages 103 are arranged in an outward inclined manner along a circumferential direction of a central axis of the distributor body 101, the distributor body 101 is provided with a circular truncated cone at an outlet position of the branch flow passages 103, and outlets of the branch flow passages 103 are arranged on an annular surface of the circular truncated cone.

In the present embodiment, a throttle ring 106 is installed at an inlet of the main flow passage 102 of the portion of the distributor body 101 with a smaller diameter, and the refrigerant flows into the main flow passage 102 through the throttle ring 106, so that the throttle ring 106 is mainly used for controlling the flow rate of the refrigerant entering the main flow passage 102; an inlet pipe 107 is mounted at the inlet of the throttle ring 106, the inlet pipe 107 being adapted to receive refrigerant. Restrictor ring 106 is removably attached to dispenser body 101 and inlet tube 107 is removably attached to restrictor ring 106.

In this embodiment, the axis of the first through hole 104 and the axis of the second through hole 105 are aligned, so that two opposite fluids can impact the liquid in the main channel 102 at the same time, and the impact force is stronger.

In this embodiment, a straight line where the axis of the first through hole 104 and the axis of the second through hole 105 are located is perpendicular to the axis of the main flow channel 102, so that two opposite fluids can vertically impact the liquid in the main flow channel 102, and the generated disturbance is stronger.

As shown in fig. 4 to 6, the second embodiment of the distributor 100 of the present application is mainly different from the first embodiment in that the first through hole 104 and the second through hole 105 are both located above the cross section of the main flow channel 102 where the intersection point is located, and the rest of the structural features are the same as those of the first embodiment, and this arrangement also can achieve the purpose of uniform two-phase refrigerant impacting the main flow channel.

As shown in fig. 7 to 9, the third embodiment of the distributor 100 of the present application is mainly different from the second embodiment in that the first through hole 104 and the second through hole 105 are both located below the cross section of the main flow channel 102 where the intersection point is located, and the rest of the structural features are the same as those of the second embodiment, and this arrangement also can achieve the purpose of uniform two-phase refrigerant impacting the main flow channel.

As shown in fig. 10 to 12, the fourth embodiment of the distributor 100 of the present application is mainly different from the first embodiment in that the axes of the first through hole 104 and the second through hole 105 are not perpendicular to the axis of the main flow channel 102, and the rest of the structural features are the same as those of the first embodiment, and this arrangement also can achieve the purpose of uniform two-phase refrigerant impacting the main flow channel.

Fig. 13 shows a refrigeration system of the present application, including a distributor 100, a compressor 200, a liquid transfer line 300, a condenser 400, a throttling device 500, and an evaporator 600. The inlet of the condenser 400 is connected with the compressor 200 through the infusion tube 300, the inlet of the throttling device 500 is connected with the condenser 400 through the infusion tube 300, the inlet of the distributor 100 is connected with the condenser 400 and the throttling device 500 through the infusion tube 300, the inlet of the evaporator 600 is connected with the branch flow channels 103 of the distributor 100, and the outlet of the evaporator 600 is connected with the compressor 200. Infusion tube 300 includes branch infusion tube 3002 and main infusion tube 3001. The high-pressure refrigerant at the outlet of the condensing chamber is led to the two branch infusion pipelines to the distributor, so that the refrigerant of the branch infusion pipeline in the distributor impacts the refrigerant of the main infusion pipeline, and the refrigerants are fully mixed. Meanwhile, the high-pressure refrigerant is mixed with the low-pressure two-phase refrigerant passing through the throttling device, so that the evaporation pressure of the system is improved, and the refrigeration energy efficiency of the system is improved.

In this embodiment, the branch infusion tube 3002 has a smaller tube diameter than the main infusion tube 3001. For forming a branch refrigerant to impinge upon the main path refrigerant. The situation that the pipe diameter of the branch transfusion pipe 3002 is larger than that of the main transfusion pipe 3001, and fluid of the main transfusion pipe 3001 directly flows to the branch flow passages 103 without passing through the throttling ring 106, is avoided, and influences are generated on the system.

In the present embodiment, the branch infusion tube 3002 connects the condenser 400 and the distributor 100, and the main infusion tube 3001 connects the condenser 400, the throttle device 500, and the distributor 100 in this order. So that the refrigerant in the main liquid conveying pipeline after passing through the throttling device is low-pressure refrigerant.

In this embodiment, branch infusion tube 3002 includes a first branch infusion tube 30021 and a second branch infusion tube 30022, first through hole 104 is connected to condenser 400 via first branch infusion tube 30021, and second through hole 105 is connected to condenser 400 via second branch infusion tube 30022. The design can generate two approximately opposite impact flows to impact the refrigerant in the main flow channel, so that disturbance is generated to achieve the purpose of liquid equalization.

It should be noted herein that the dispensers and refrigeration systems illustrated in the figures and described in the present specification are but a few examples of the wide variety of dispensers and refrigeration systems that can employ the principles of the present application. It should be clearly understood that the principles of this application are in no way limited to any of the details of the distributor and refrigeration system or any of the components of the distributor and refrigeration system shown in the drawings or described in this specification.

The foregoing is a detailed description of several exemplary embodiments of the distributor and refrigeration system presented herein, and the following is a description of the use of the distributor and refrigeration system presented herein.

With reference to fig. 1 to 13, the application of the distributor and the refrigeration system proposed by the present application is as follows: when the system is in operation, part of the high-pressure supercooled liquid at the outlet of the condenser flows into the main flow channel of the distributor through the throttling device; one part directly gets into the distributor from first through-hole and second through-hole through a transfer line, because the refrigerant behind throttling arrangement is the gas-liquid two-phase refrigerant, the high pressure subcooled liquid that flows out from first through-hole and second through-hole can produce high-speed impact to the refrigerant in the mainstream canal, destroy its liquid boundary layer, bring stronger disturbance, improve the inhomogeneous condition of liquid in the two-phase refrigerant, make the refrigerant liquid flow who flows into each flow path equal, reach the even mesh that divides the liquid of evaporimeter, the evaporimeter divides liquid evenly can make evaporimeter heat transfer area make full use of, the refrigerating output of lift system under same evaporimeter area.

On the other hand, the high-pressure refrigerant in the first through hole and the second through hole is mixed with the low-pressure refrigerant after passing through the throttling device in the main flow channel of the distributor, so that the pressure of the refrigerant entering the evaporator is increased, the evaporation temperature of the system is increased, the refrigerating capacity of the compressor can be improved, and the refrigerating capacity and the refrigerating energy efficiency of the refrigerating system are improved.

Through above-mentioned distributor and refrigerating system's of this application use, can obtain the distributor and refrigerating system of this application, can improve the inhomogeneous condition of liquid in the two-phase refrigerant for the refrigerant liquid flow that flows into each flow path equals, reaches the purpose of the even liquid of evaporimeter, and can promote refrigerating system refrigerating capacity and refrigeration efficiency.

In summary, the distributor that this application provided, including the distributor body, distributor body inside is provided with the sprue and with a plurality of runners of sprue intercommunication, is provided with first through-hole and second through-hole on the wall of sprue, the axis of first through-hole, second through-hole and the axis of sprue intersect in an nodical, first through-hole and second through-hole are located the both sides of sprue. Through above-mentioned design, the distributor that this application provided can realize the misce bene of gas-liquid two-phase coolant.

The application provides a refrigeration system, including distributor, compressor, transfer line, condenser, throttling arrangement and evaporimeter. The inlet of the condenser is connected with the compressor through a liquid conveying pipe, the inlet of the throttling device is connected with the condenser through the liquid conveying pipe, the inlet of the distributor is connected with the condenser and the throttling device through the liquid conveying pipe, the distributor adopts the distributor, the inlet of the evaporator is connected with the branch flow passages of the distributor, and the outlet of the evaporator is connected with the compressor. Through the design, the refrigerant of the liquid conveying pipeline in the distributor impacts the refrigerant of the main liquid conveying pipeline, so that the refrigerants are fully mixed. Meanwhile, the high-pressure refrigerant is mixed with the low-pressure two-phase refrigerant passing through the throttling device, so that the evaporation pressure of the system is improved, the refrigeration energy efficiency of the system is improved, and the heat exchange capacity of the heat exchanger is fully utilized, so that the refrigeration energy efficiency is improved.

Exemplary embodiments of the distributor and refrigeration system set forth herein are described and/or illustrated in detail above. The embodiments of the present application are not limited to the specific embodiments described herein, but rather, components and/or steps of each embodiment may be utilized independently and separately from other components and/or steps described herein. Each component and/or step of one embodiment can also be used in combination with other components and/or steps of other embodiments. When introducing elements/components/etc. described and/or illustrated herein, the articles "a," "an," and "the" are intended to mean that there are one or more of the elements/components/etc.

Embodiments of the present application are not limited to the specific embodiments described herein, but rather, components of each embodiment may be utilized independently and separately from other components described herein. Each component of one embodiment can also be used in combination with other components of other embodiments. In the description herein, reference to the term "one embodiment," "some embodiments," "other embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In embodiments, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. Specific meanings of the above terms in the examples can be understood by those of ordinary skill in the art according to specific situations.

While the present dispenser and refrigeration system have been described in terms of various specific embodiments, those skilled in the art will recognize that the practice of the present application can be practiced with modification within the spirit and scope of the claims.

Claims (11)

1. A dispenser, comprising a dispenser body, characterized in that: the distributor body is inside be provided with the sprue and with a plurality of runners of sprue intercommunication, be provided with first through-hole and second through-hole on the wall of sprue, the axis of first through-hole the axis of second through-hole with the axis of sprue intersects in an intersect, first through-hole with the second through-hole is located the both sides of sprue.

2. The dispenser of claim 1, wherein: the axis of the first through hole is in the same straight line with the axis of the second through hole.

3. The dispenser of claim 2, wherein: the straight line where the axis of the first through hole and the axis of the second through hole are located is perpendicular to the axis of the main flow channel.

4. The dispenser of claim 1, wherein: the first through hole and the second through hole are both located above the cross section of the main flow channel where the intersection point is located.

5. The dispenser of claim 1, wherein: the first through hole and the second through hole are both located below the cross section of the main flow channel where the intersection point is located.

6. The dispenser of claim 1, wherein: the dispenser further comprises:

the throttling ring is arranged at the inlet of the main flow channel;

and the inlet pipe is connected with the throttling ring and is arranged at the inlet of the throttling ring.

7. A refrigeration system comprises a compressor, a condenser, a throttling device, a distributor and an evaporator which are connected into a loop by the ending of a liquid conveying pipe; the method is characterized in that: the dispenser is as claimed in any one of claims 1 to 6.

8. The refrigeration system of claim 7 wherein: the infusion tube comprises a branch infusion tube and a main infusion tube.

9. The refrigeration system of claim 8 wherein: the pipe diameter of the branch transfusion pipe is smaller than that of the main transfusion pipe.

10. The refrigeration system of claim 8 wherein: the branch infusion tube is connected with the condenser and the distributor, and the main infusion tube is sequentially connected with the condenser, the throttling device and the distributor.

11. The refrigeration system of claim 8 wherein: the branch infusion tubes comprise a first branch infusion tube and a second branch infusion tube, the first through hole is connected with the condenser through the first branch infusion tube, and the second through hole is connected with the condenser through the second branch infusion tube.

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