Efficient distributor for refrigeration house

Abstract

The utility model discloses a high-efficiency distributor for a refrigeration house, which comprises a main body, the sealing cover is fixedly arranged at the top end of the main body, the branching disc is fixedly arranged at the bottom end of the main body and used for sealing the bottom end of the main body, the liquid distribution needle column is fixedly inserted into a disc body of the branching disc and used for achieving coolant liquid distribution, and the liquid supply pipe is fixedly arranged in the middle of the branching disc and penetrates through the branching disc. The liquid supply pipe is arranged in the main body and used for supplying a coolant into the main body, the flow dividing cover is arranged in the main body and fixedly connected with the liquid supply pipe, the content of flash evaporation gas of the refrigerant discharged out of coolant liquid is reduced to a certain extent, and the discharge amount of the coolant liquid is more uniform through the liquid discharge mode; the influence on the refrigerating system caused by uneven distribution of the coolant liquid is reduced, the influence on the effect of the evaporator is reduced through even distribution of the coolant liquid, and the control precision of the refrigerating system and the adjusting range of the refrigerating capacity are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of distributor, concretely to a high -efficient distributor for cold storage. BACKGROUND

[0002] The distributor is a device playing an important role in the refrigeration system, mainly used for realizing the average distribution of refrigerant, and through the average distribution of refrigerant, the working pressure and temperature of each part of the refrigeration system are more stable, which helps to reduce the probability of system fluctuation and failure, improve the reliability and stability of the system, when the refrigerant can be evenly distributed to each evaporator, the heat exchange efficiency of the evaporator can be improved, and the uniform refrigerant distribution can make the temperature of the evaporator surface more uniform, thereby enhancing the heat exchange effect with the to-be-cooled object or the flash gas of the refrigerant, and reasonable refrigerant distribution can also reduce the energy loss of the system and improve the energy efficiency ratio of the whole refrigeration system.

[0003] The traditional distributor mainly consists of a flow divider and a liquid distribution pipeline, after the refrigerant enters the cavity, it is directly distributed to each outlet through the flow dividing mode, the distribution precision is relatively low, the load change of the refrigeration system can affect the flow and pressure distribution of the refrigerant, and when the traditional distributor supplies liquid, the amount of flash gas of the refrigerant entering the different flow dividing pipelines cannot be controlled due to the flash gas of the refrigerant in the coolant, the flash gas of the refrigerant cannot be limited, thereby causing uneven flow division of the traditional distributor, and thus affecting the stability, refrigeration effect, service life, regulation precision and refrigerating capacity regulation range of the refrigeration system, and the actual effect after the response of the refrigeration system instruction is generated. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a high -efficient distributor for cold storage to solve the problem of uneven flow division of the traditional distributor caused by the fact that the amount of flash gas of the refrigerant entering the different flow dividing pipelines cannot be controlled due to the flash gas of the refrigerant in the coolant, and thus affecting the stability, refrigeration effect, service life, regulation precision and refrigerating capacity regulation range of the refrigeration system, and the actual effect after the response of the refrigeration system instruction is generated.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including the main body, still including;

[0006] The cover is fixedly arranged at the top end of the main body and is used for sealing the top end of the main body;

[0007] The shunt disc is fixedly arranged at the bottom end of the main body and is used for sealing the bottom end of the main body;

[0008] The distribution needle column is fixedly inserted into the shunt disc disc body, and is used for realizing distribution of the coolant liquid.

[0009] The liquid supply pipe is fixedly arranged in the middle of the shunt disc and penetrates the shunt disc.

[0010] The shunt cover is arranged in the interior of the main body and is fixedly connected with the liquid supply pipe, and is used for realizing supply of the coolant to the interior of the main body. The coolant liquid enters the interior of the liquid storage cavity formed by the main body, the cover, the shunt disc and the shunt cover, and is deposited to the bottom of the cavity due to the gravity. The flash gas of the refrigerant is above the coolant liquid, and then the liquid level of the coolant liquid rises due to the increase of the coolant liquid in the interior of the cavity. The coolant liquid is discharged through the liquid discharge groove arranged on the wall of the distribution needle column. In this process, the flash gas of the refrigerant remaining in the coolant liquid is left in the liquid storage cavity, the content of the flash gas of the refrigerant in the discharged coolant liquid is reduced to a certain extent, the discharge amount of the coolant liquid is more uniform through the liquid discharge mode, the influence of the uneven distribution of the coolant liquid on the refrigeration system is reduced, the influence on the effect of the evaporator is reduced through the uniform distribution of the coolant liquid, the control precision of the refrigeration system and the adjustment range of the refrigeration capacity are ensured.

[0011] Preferably, the top edge of the cover is a circular arc, and is connected with the top end of the main body by welding, so that the connection is more stable, the connection mode has high strength, can bear large load and stress, ensures the structural safety, realizes good sealing performance, and ensures that the equipment does not leak under harsh conditions.

[0012] Preferably, a plurality of through holes are arranged in the edge of the shunt disc disc body at equal intervals with the center of the shunt disc disc body as the axis, and another circular through hole is arranged in the middle of the shunt disc disc body, which provides a channel for installation of the distribution needle column and the liquid supply pipe, so as to ensure the structural integrity of the distribution needle column and the liquid supply pipe and ensure the use performance.

[0013] Preferably, a plurality of notches are arranged in the side wall of the shunt cover at equal intervals, and a through hole is arranged in the middle of the shunt cover. When the coolant liquid enters the shunt cover, the coolant liquid is distributed.

[0014] Preferably, the column body of the distribution needle column extends into the interior of the main body through the through hole arranged in the edge of the shunt disc disc body, and the top end of the distribution needle column does not contact the shunt cover. The wall of the distribution needle column is provided with a liquid inlet groove, so that the coolant liquid in the interior can enter through the liquid inlet groove.

[0015] The liquid supply pipe body enters the inside of the main body through another circular through hole in the middle of the shunt disc body, the top end of the liquid supply pipe is in contact with the shunt cover, and the top end of the liquid supply pipe is welded in contact with the hole wall of the middle through hole of the shunt cover, so that the coolant liquid is delivered to the inside of the main body.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] When the device is used, the coolant liquid enters the liquid storage cavity formed by the main body, the cover, the shunt disc and the shunt cover, and the liquid is deposited at the bottom of the cavity due to the influence of gravity, and the flash gas of the refrigerant is above the coolant liquid, and then the liquid level of the coolant liquid rises due to the increase of the coolant liquid in the cavity, so that the coolant liquid is discharged through the liquid discharge groove formed in the wall body of the liquid distribution needle column, and the flash gas of the refrigerant remaining in the coolant liquid is left in the liquid storage cavity during the process, which reduces the content of the flash gas of the refrigerant in the discharged coolant liquid to a certain extent, and the discharge amount of the coolant liquid is more uniform through the liquid discharge mode, the influence of uneven distribution of the coolant liquid on the refrigeration system is reduced, the influence of the uniform distribution of the coolant liquid on the effect of the evaporator is reduced, and the control accuracy and the adjustment range of the refrigeration capacity of the refrigeration system are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is an explosion view of the utility model;

[0020] Figure 3 It is a shunt disc structure schematic view of the utility model;

[0021] Figure 4 It is a liquid distribution needle column structure schematic view of the utility model;

[0022] Figure 5 It is a shunt cover structure schematic view of the utility model.

[0023] In the drawing: 1, main body; 2, cover; 3, shunt disc; 4, shunt cover; 5, liquid distribution needle column; 6, liquid supply pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a kind of high-efficiency distributor for cold store, including main body 1, still including;

[0026] The cover 2 is fixedly arranged at the top end of the main body 1 and is used for sealing the top end of the main body 1.

[0027] The shunt disc 3 is fixedly arranged at the bottom end of the main body 1 and is used for sealing the bottom end of the main body 1.

[0028] The distribution needle column 5 is fixedly inserted into the disc body of the shunt disc 3 and is used for realizing distribution of the coolant liquid.

[0029] The liquid supply pipe 6 is fixedly arranged at the middle part of the shunt disc 3 and penetrates the shunt disc 3 and is used for realizing supply of the coolant to the inside of the main body 1.

[0030] The distribution cover 4 is arranged in the inside of the main body 1 and is fixedly connected with the liquid supply pipe 6.

[0031] The top surface edge of the cover 2 is in arc shape and is connected with the top end of the main body 1 in a welding mode, the fixed mode in the device adopts a laser welding mode, the shunt disc 3 is fixedly arranged at the bottom end of the main body 1 and is used for sealing the bottom end of the main body 1, the connection modes of the cover 2, the shunt disc 3 and the distribution cover 4 with the main body 1, the distribution needle column 5 and the liquid supply pipe 6 with the shunt disc 3 all adopt a laser welding mode, the laser welding mode accurately connects components and will not cause thermal damage to surrounding elements, the material performance change near the welding area is small, the mechanical properties and corrosion resistance of the base material are maintained, meanwhile, the laser welding position is accurately controllable, the laser beam can be accurately focused to a specific welding position through an optical system, high-precision positioning welding is realized, the strength and sealing performance are improved,

[0032] A plurality of through holes distributed in equidistance array with the disc center of the disc body of the shunt disc 3 as the axis are arranged at the position close to the edge of the disc body of the shunt disc 3, the number and position of the through holes arranged at this position are determined according to actual requirements, another circular through hole is arranged at the middle part of the disc body of the shunt disc 3 and is used for passing and fixing the liquid supply pipe 6, a plurality of slots are equidistantly arranged on the side wall of the cover body of the distribution cover 4, a through hole is arranged at the middle part of the distribution cover and is used for providing a discharge passage for the entering coolant liquid and realizing distribution, the column body of the distribution needle column 5 extends into the inside of the main body 1 through the through hole arranged at the position close to the edge of the disc body of the shunt disc 3 and the top end of the distribution needle column 5 does not contact the distribution cover 4, the wall body of the distribution needle column 5 is provided with a liquid discharge groove, the liquid discharge groove on the distribution needle column 5 is used for adjusting pressure balance, so that the flashing gas of the refrigerant in the coolant liquid is discharged, the pressure is balanced during transfer, uniform distribution of the discharged liquid is facilitated, the pipe body of the liquid supply pipe 6 enters the inside of the main body 1 through the other circular through hole arranged at the middle part of the disc body of the shunt disc 3, the top end of the liquid supply pipe 6 contacts the distribution cover 4, so that the coolant liquid entering the inside of the main body 1 through the liquid supply pipe 6 impacts the distribution cover 4 and part of the coolant liquid realizes distribution through the slots.

[0033] When the embodiment of the application is used:

[0034] When the device is in use, the distribution needle column 5 at the bottom end is connected with the distribution pipeline, the liquid supply pipe 6 at the bottom end is connected with the coolant supply pipeline, the coolant liquid enters the liquid storage cavity formed by the main body 1, the cover 2 and the distribution disc 3 through the liquid supply pipe 6, the liquid is deposited due to the influence of gravity, and the flash gas of the refrigerant is above the coolant liquid, and then the liquid level of the coolant liquid rises due to the increase of the coolant liquid in the cavity, so that the coolant liquid is discharged through the liquid inlet groove formed in the wall of the distribution needle column 5.

[0035] When the device is in use, the coolant is uniformly distributed, and each refrigeration cycle link can obtain an appropriate amount of refrigerant, which ensures that the temperature of the evaporator surface is more uniform, so that the evaporator can more fully exchange heat with the flash gas or object of the refrigerant to be cooled, thereby improving the heat transfer efficiency, expanding the effective refrigeration range, expanding the refrigeration capacity adjustment, avoiding the instability of the refrigeration system due to excessive or insufficient local refrigerant, and uniformly distributing the refrigerant to help the system run stably, reduce energy loss, and enable the refrigeration equipment to maintain a lower temperature in a larger range. The average distribution of the refrigerant can ensure that each evaporator can perform optimally, and each evaporator can work efficiently within its designed refrigeration range, thereby expanding the overall refrigeration range of the refrigeration equipment, and the average distribution of the refrigerant can make the system pressure fluctuate within a reasonable range, improve the reliability and stability of the system, and thereby ensure the stability of the refrigeration range. The average distribution of the refrigerant can reduce uneven wear on each component in the refrigeration system, avoid excessive pressure on some parts due to excessive refrigerant, and prevent excessive dry friction in other parts due to insufficient refrigerant, which helps to prolong the service life of the refrigeration equipment, ensures its good refrigeration performance and large refrigeration range for a long time, reduces the maintenance cost of the system, and thereby provides more durable and stable refrigeration service.

[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-efficiency distributor for cold storage, comprising a main body (1), characterized in that, Also includes; The cap (2) is fixedly installed at the top of the main body (1) to seal the top of the main body (1); The branching disc (3) is fixedly installed at the bottom of the main body (1) to seal the bottom of the main body (1); The dispensing needle column (5) is fixedly inserted into the body of the dispensing disk (3) to realize the distribution of coolant liquid; A liquid supply pipe (6) is fixedly installed in the middle of the branch disk (3) and passes through the branch disk (3) to supply coolant to the interior of the main body (1); A flow divider (4) is disposed inside the main body (1) and the flow divider (4) is fixedly connected to the liquid supply pipe (6).

2. The high-efficiency distributor for cold storage according to claim 1, characterized in that: The top edge of the cover (2) is arc-shaped and is connected to the top of the main body (1) by welding.

3. The high-efficiency distributor for cold storage according to claim 1, characterized in that: The distribution disk (3) has several through holes arranged in an equidistant array near its edge, with the center of the distribution disk (3) as the axis. Another circular through hole is provided in the middle of the distribution disk (3).

4. A high-efficiency distributor for cold storage according to claim 1, characterized in that: The flow divider (4) has several slots evenly spaced on its side wall, and a through hole is provided in the middle of the flow divider (4).

5. A high-efficiency distributor for cold storage according to claim 1, characterized in that: The liquid dispensing needle column (5) extends into the interior of the main body (1) through the through hole near the edge of the distribution disk (3), and the top of the liquid dispensing needle column (5) does not contact the flow divider (4). The walls of the liquid dispensing needle column (5) are provided with liquid inlet grooves.

6. A high-efficiency distributor for cold storage according to claim 1, characterized in that: The liquid supply pipe (6) enters the interior of the main body (1) through another circular through hole in the middle of the distribution disc (3), and the top of the liquid supply pipe (6) is welded to the wall of the through hole in the middle of the diversion hood (4).

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