CN103900302A - Gas-liquid separator and assembling method thereof - Google Patents
Gas-liquid separator and assembling method thereof Download PDFInfo
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- CN103900302A CN103900302A CN201210583812.4A CN201210583812A CN103900302A CN 103900302 A CN103900302 A CN 103900302A CN 201210583812 A CN201210583812 A CN 201210583812A CN 103900302 A CN103900302 A CN 103900302A
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Abstract
The invention discloses a gas-liquid separator which comprises an upper cylinder, a lower cylinder, an outlet pipe and a fixing plate. The upper cylinder is in butt joint with the lower cylinder to form a sealed cavity. The fixing plate is matched with the cavity and comprises a positioning component. The positioning component is matched with the outlet pipe and positions the same. During mounting of the gas-liquid separator, the position relation of the fixing plate and the cavity is determined, the positioning component positions the outlet pipe to determine the position relation of the fixing plate and the outlet pipe, namely the fixing plate determines the position of the outlet pipe in the cavity. The gas-liquid separator has the advantages that the relative positions of the outlet pipe and the cavity can be accurately determined by the fixing plate, the position of the oil return hole of the outlet pipe can satisfy the design requirement, and the oil return amount requirement during operation can be satisfied. The invention further discloses an assembling method of the gas-liquid separator.
Description
Technical field
The present invention relates to refrigeration technology field, particularly relate to a kind of gas-liquid separator and assembly method thereof.
Background technology
Separator is generally used in medium-sized and large-scale refrigerating system, is arranged between evaporimeter and compressor, and separating gaseous cold-producing medium and liquid refrigerant, make cold-producing medium all enter compressor with the form of gaseous state, carries lubricating oil simultaneously, guarantees the normal operation of compressor.
Please refer to Fig. 1, the structural representation that Fig. 1 is a kind of typical gas-liquid separator.
Gas-liquid separator comprise upper shell 1 ', lower shell 2 ', inlet tube 3 ' and outlet 4 '.Upper shell 1 ' and lower shell 2 ' all one end sealings, the two untight other end connects and forms the cavity of sealing.Inlet tube 3 ' and outlet 4 ' all through upper shell 1 ' blind end and with upper shell 1 ' fix, the port of inlet tube 3 ' and outlet 4 ' be positioned at cavity is all positioned at the top of cavity, wherein, outlet 4 ' take the shape of the letter U, outlet 4 ' U-shaped bottom have spill port 5 ', spill port 5 ' the be positioned at bottom of cavity.
The mixture of gaseous refrigerant, liquid refrigerant and liquid lubricating oil is from inlet tube 3 ' enter cavity, after entering, gaseous refrigerant floating is positioned at cavity top, liquid refrigerant and liquid lubricating oil fall to being positioned at cavity bottom, will have operative liquid lubricating oil and liquid refrigerant by spill port 5 ' enter outlet 4 '.
Outlet 4 ' connection compressor of gas-liquid separator, the draft producing when compressor operating will make gaseous refrigerant through outlet 4 ' enter compressor, gaseous refrigerant through outlet 4 ' U-shaped when bottom, to carry parts of lubricating oil and liquid refrigerant, lubricating oil and liquid refrigerant all together enter compressor with gaseous form and gaseous refrigerant, can not cause liquid hammer to compressor, simultaneously can also lubricate compressors, it is normally worked.
When above-mentioned gas-liquid separator is assembled, first, weld respectively inlet tube 3 ' and upper shell 1 ', outlet 4 ' and upper shell 1 '; Secondly, in order to prevent outlet 4 ' deflection, adopt fixed head 6 ' stationary exit pipe 4 of strip ', first by fixed head 6 ' middle part and outlet 4 ' welding, then by fixed head 6 ' two ends and upper shell 1 ' welding.
6 ' time of mounting plate, fixed head 6 ' respectively and outlet 4 ' and cavity weld, determine fixed head 6 ' respectively and outlet 4 ' and the position of cavity by welding, after welding, likely make outlet 4 ' can not meet the demands with the relative position of cavity, that is to say, fixed head 6 ' can not accurately locate outlet 4 ' with the relative position of cavity.If outlet 4 ' position is inaccurate, will make spill port 5 ' out of position, affect oil return performance.
In view of this, urgently for above-mentioned technical problem, design a kind of gas-liquid separator, this gas-liquid separator can be located accurately to the position of outlet.
Summary of the invention
The object of this invention is to provide a kind of gas-liquid separator, this gas-liquid separator can be located accurately to the position of cavity inner outlet pipe.Another object of the present invention is to provide the assembly method of this gas-liquid separator.
In order to realize above-mentioned technical purpose, the invention provides a kind of gas-liquid separator, comprise upper shell, lower shell, outlet and fixed head, described upper shell and the docking of described lower shell form the cavity of sealing; Described fixed head coordinates with described cavity, and described fixed head also comprises align member, and described align member coordinates with described outlet, and locates described outlet.
Preferably, described fixed head is the annulus coordinating with described cavity inner wall, and described align member is the annulus coordinating with described outlet outer wall.
Preferably, the inlet tube of described gas-liquid separator and described outlet the two straight length and the Plane intersects of the end face of described upper shell.
Preferably, described outlet comprises U-shaped pipe and straight tube, and one end of described U-shaped pipe connects described straight tube, the Plane intersects of the end face of described straight tube and described upper shell.
Preferably, described U-shaped pipe is steel U-shaped pipe, and described straight tube is copper straight tube.
The present invention also provides a kind of assembly method of gas-liquid separator, comprises the following steps:
1) by fixed head, outlet is arranged in the cavity of gas-liquid separator, and locates the relative position of outlet and cavity;
2) cooperation place between the each parts of gas-liquid separator is welded.
Preferably, described step 1) in comprise the following steps:
11) align member of fixed head is coordinated with the outer wall of outlet;
12) fixed head is coordinated with the inwall of cavity.
Preferably, described step 2) in comprise the following steps:
21) weld-ring is placed in the cooperation place between the each parts of gas-liquid separator;
22) gas-liquid separator is sent into brazier and carried out one weldering in stove.
Preferably, described step 1) and described step 2) between further comprising the steps of:
1A) respectively inlet tube and outlet are passed to the end face of upper shell, and make the Plane intersects of the straight length of inlet tube and outlet and the end face of upper shell.
Preferably, described step 21) in cooperation place between the each parts of gas-liquid separator comprise: fixed head respectively with the cooperation place of outlet and cavity, the end face of upper shell respectively with the cooperation place of inlet tube and outlet, the joint of upper shell and lower shell.
Gas-liquid separator provided by the invention, comprises upper shell, lower shell, outlet and fixed head, and upper shell and lower shell docking form the cavity of sealing; Fixed head coordinates with cavity, and fixed head also comprises align member, and align member coordinates with outlet, and locates outlet.
Install when gas-liquid separator, fixed head coordinates with cavity and refers to that fixed head and cavity have definite position relationship, and fixed head can be stuck in cavity, can be, the external diameter of a circle of fixed head equals the internal diameter of cavity; Align member is located outlet, has determined the position relationship of fixed head and outlet, and fixed head has been determined the position of outlet in cavity.When align member coordinates with outlet, the outlet member that can be positioned blocks, and when outlet is pipe, can be that the inscribe diameter of a circle of align member equals the external diameter of outlet.Fixed head can accurately be determined the relative position of outlet and cavity, guarantees that the position of the spill port of outlet meets design requirement, the recirculating oil quantity requirement can meet work time.
In a kind of preferred mode, fixed head is the annulus coordinating with cavity inner wall, and align member is the annulus coordinating with outlet outer wall, can be according to the relative position requirement of outlet and cavity, and the distance of center circle of design annulus.
The fixed head of this structure, the cooperation place of fixed head and cavity, the cooperation place of align member and outlet is regular circle, can place weld-ring and carry out one weldering in stove, reduce the position of manual welding, and then reduced the dependence of welding quality to operating personnel's technical ability.One weldering in stove, simple to operate, operation is few, and cost is low, and without welding slag, scolder permeates, and welding quality is high, can simplify assembly method, enhances productivity.
Further in mode, the inlet tube of gas-liquid separator and outlet the two straight length and the Plane intersects of the end face of upper shell, the intersection of the end face of inlet tube and outlet and upper shell is also regular shape, also can adopt one weldering in stove, the welding position of the gas-liquid separator of this structure all can adopt one weldering in stove, simplify assembly process, improved product quality, also improved operating efficiency simultaneously.
The present invention also provides a kind of assembly method of gas-liquid separator, first, by fixed head, outlet is arranged in the cavity of gas-liquid separator, and locates the relative position of outlet and cavity; Then, the cooperation place between the each parts of gas-liquid separator is welded.This assembly method, can locate accurately to the position of cavity inner outlet pipe.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of typical gas-liquid separator;
Fig. 2 is the structural representation of a kind of specific embodiment of gas-liquid separator provided by the present invention;
Fig. 3 is the structural representation of a kind of specific embodiment of fixed head of the gas-liquid separator shown in Fig. 2;
Fig. 4 is the schematic diagram of a kind of first step of concrete embodiment in the installation process of the gas-liquid separator shown in Fig. 2;
Fig. 5 is the schematic diagram of second step in the installation process of the gas-liquid separator shown in Fig. 4;
Fig. 6 is the schematic diagram of the 3rd step in the installation process of the gas-liquid separator shown in Fig. 4;
Fig. 7 is the schematic diagram of the 4th step in the installation process of the gas-liquid separator shown in Fig. 4;
Fig. 8 is the flow chart of assembly method the first specific embodiment of gas-liquid separator provided by the present invention;
Fig. 9 is the flow chart of assembly method the second specific embodiment of gas-liquid separator provided by the present invention;
Figure 10 is the flow chart of the third specific embodiment of assembly method of gas-liquid separator provided by the present invention;
Figure 11 is the flow chart of the 4th kind of specific embodiment of assembly method of gas-liquid separator provided by the present invention.
Wherein, the Reference numeral in Fig. 1 is as follows:
Upper shell 1 '; Lower shell 2 '; Inlet tube 3 '; Outlet 4 '; Spill port 5 '; Fixed head 6 ';
Reference numeral in Fig. 2 to Fig. 7 is as follows:
The specific embodiment
Core of the present invention is to provide a kind of gas-liquid separator, and this gas-liquid separator can be located accurately to the position of cavity inner outlet pipe.Another core of the present invention is to provide the assembly method of this gas-liquid separator.
In order to make those skilled in the art person understand better the present invention program, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of a kind of specific embodiment of gas-liquid separator provided by the present invention, and Fig. 3 is the structural representation of a kind of specific embodiment of fixed head of the gas-liquid separator shown in Fig. 2.
In a kind of concrete embodiment, the invention provides a kind of gas-liquid separator, comprise upper shell 1, lower shell 2, outlet 4 and fixed head 6, upper shell 1 and lower shell 2 docking form the cavity of sealing; Fixed head 6 coordinates with cavity, and fixed head 6 also comprises align member 61, and align member 61 coordinates with outlet 4, and locates outlet 4.
Install when gas-liquid separator, fixed head 6 coordinates with cavity and refers to that fixed head 6 and cavity have definite position relationship, and fixed head 6 can be stuck in cavity, can be, the external diameter of a circle of fixed head 6 equals the internal diameter of cavity; Align member 61 is located outlet 4, has determined the position relationship of fixed head 6 with outlet 4, and fixed head 6 has been determined the position of outlet 4 in cavity.
When align member 61 coordinates with outlet 4, outlet 4 member 61 that can be positioned blocks, and when outlet 4 is pipe, can be that the inscribe diameter of a circle of align member 61 equals the external diameter of outlet 4.
Fixed head 6 can accurately be determined the relative position of outlet 4 and cavity, guarantees that the position of the spill port 5 of outlet 4 meets design requirement, the recirculating oil quantity requirement can meet gas-liquid separator work time.
One preferred embodiment in, fixed head 6 is the annulus coordinating with cavity inner wall, align member 61 is the annulus coordinating with outlet 4 outer walls.The fixed head 6 of this structure, is regular circle with the cooperation place of outlet 4 and cavity, can place weld-ring 7 and carry out one weldering in stove, and the position of having reduced manual welding, can reduce the dependence of welding quality to operating personnel's technical ability.
In stove, one weldering is to place weld-ring 7 in welding position, and weld-ring 7 is made up of scolder, can design according to welding position the size of weld-ring 7; Then parts to be welded are sent into brazier, the temperature in brazier can be melted weld-ring 7, welds.In stove, one weldering is simple to operate, and operation is few, and cost is low, and without welding slag, scolder permeates, and welding quality is high, can simplify assembly method, enhances productivity.
Fixed head 6 is a slab construction, can pass through stamping die machine-shaping, can be according to the relative position requirement of outlet 4 and cavity, determine the distance of center circle between annulus, the distance that makes to assemble the axis of rear outlet and the axis of cavity is predetermined value, the accurate location of location outlet 4 in cavity.
Can coordinating with upper shell 1 of fixed head 6, also can coordinate with lower shell 2, and the cross section that fixed head 6 place planes are gas-liquid separator, can not limit the position of fixed head 6 on the axis of gas-liquid separator, also can limit.
For example, fixed head 6 can be the structure shown in Fig. 3, align member 61 annulus for coordinating with outlet 4, and when the part that is positioned at cavity when outlet 4 is U-shaped, align member 61 can coordinate with any in two of a U-shaped structure straight length; In addition, align member 61 can also have two annulus, and two annulus coordinate with two straight lengths of U-shaped structure respectively.
In another kind of concrete embodiment, the inlet tube 3 of gas-liquid separator and outlet 4 the two straight length and the Plane intersects of the end face of upper shell 1.
The end face of upper shell 1 there is plane, inlet tube 3 and outlet 4 are straight length with the position of above-mentioned Plane intersects, inlet tube 3 and outlet 4 are regular shape with the intersection of the end face of upper shell 1, can adopt the welding manner of one weldering in stove.
The welding position of the gas-liquid separator of this structure all can adopt one weldering in stove, simplified assembly process, do not produced welding slag in welding process, welding quality does not rely on operating personnel's technical ability, improve welding quality, also improved product quality and operating efficiency simultaneously.
Please refer to Fig. 4 to Fig. 7, Fig. 4 is the schematic diagram of a kind of first step of concrete embodiment in the installation process of the gas-liquid separator shown in Fig. 2, Fig. 5 is the schematic diagram of second step in the installation process of the gas-liquid separator shown in Fig. 4, Fig. 6 is the schematic diagram of the 3rd step in the installation process of the gas-liquid separator shown in Fig. 4, and Fig. 7 is the schematic diagram of the 4th step in the installation process of the gas-liquid separator shown in Fig. 4.
In this embodiment, can each parts that gas-liquid separator is installed be successively installed according to the mode of Fig. 4 to Fig. 7, when installation, all place corresponding weld-ring 7 in the cooperation place of each parts, after installation, send into brazier, complete the assembling of gas-liquid separator.
The inlet tube 3 of gas-liquid separator is L-shaped, and outlet 4 takes the shape of the letter U; The end that inlet tube 3 and outlet 4 are positioned at cavity is all positioned at the top of cavity; The U-shaped bottom of outlet 4 has spill port 5, and spill port 5 is positioned at the bottom of cavity.
When gas-liquid separator work, be arranged between evaporimeter and compressor.The mixture of gaseous refrigerant, liquid refrigerant and liquid lubricating oil enters cavity from inlet tube 3, enter the top that rear gaseous refrigerant floating is positioned at cavity, liquid refrigerant and liquid lubricating oil fall to being positioned at the bottom of cavity, will have operative liquid lubricating oil and liquid refrigerant to enter outlet 4 by spill port 5.
The draft producing when compressor operating will make gaseous refrigerant enter compressor through outlet 4, bottom the U-shaped of gaseous refrigerant process outlet 4 time, to carry parts of lubricating oil and liquid refrigerant, lubricating oil and liquid refrigerant all together enter compressor with gaseous form and gaseous refrigerant, can not cause liquid hammer to compressor, simultaneously can also lubricate compressors, it is normally worked.
Concrete, outlet 4 can comprise U-shaped pipe and straight tube, one end of U-shaped pipe connects straight tube, the Plane intersects of the end face of straight tube and upper shell 1.
Owing to there being lubricating oil in cavity, the part that outlet 4 is positioned at cavity can not be got rusty, and material that can be applicable is more, relatively gets rusty easily and outlet 4 is positioned at the part in upper shell 1 outside, and the antirust of material had relatively high expectations.In the time that outlet 4 is made up of two parts, can adopt U-shaped pipe and the straight tube of unlike material, wherein, straight tube need to adopt the material with good rustless property to make.
Further, in embodiment, U-shaped pipe is steel U-shaped pipe, and straight tube is copper straight tube, compared with overall copper outlet 4 in prior art, has both met antirust requirement, has reduced again production cost.
Please refer to Fig. 8, the flow chart of assembly method the first specific embodiment that Fig. 8 is gas-liquid separator provided by the present invention.
The present invention also provides a kind of assembly method of gas-liquid separator, comprises the following steps:
Step S1) by fixed head, outlet is arranged in the cavity of gas-liquid separator, and locate the relative position of outlet and cavity;
Step S2) cooperation place between the each parts of gas-liquid separator is welded.
In this assembly method, before welding, first determined the relative position of outlet and cavity by fixed head, then be welded and fixed, after assembling, the relative position of outlet and cavity meets design requirement, and then the position of the spill port of outlet meets design requirement, and when gas-liquid separator work, can meet the demands by the recirculating oil quantity of spill port.
Please refer to Fig. 9, the flow chart of assembly method the second specific embodiment that Fig. 9 is gas-liquid separator provided by the present invention.
In a kind of concrete embodiment, the assembly method of gas-liquid separator can comprise the following steps:
Step S11, coordinates the align member of fixed head with the outer wall of outlet;
Step S12, coordinates fixed head with the inwall of cavity;
Step S21, weld-ring is placed in the cooperation place between the each parts of gas-liquid separator;
Step S22, sends gas-liquid separator into brazier and carries out one weldering in stove.
The align member of fixed head has been determined the position relationship of outlet and fixed head, and fixed head coordinates the position relationship that can determine with cavity with cavity, has determined the position relationship of outlet and cavity.In the time that fixed head and align member are annulus, with the cooperation place regular shape of outlet and cavity, can adopt the welding manner of one weldering in stove.While carrying out in stove one weldering, first weld-ring is placed in the cooperation place between each parts, then sends into brazier, and the temperature in brazier can make weld-ring melt, and welds.
Please refer to Figure 10 and Figure 11, the flow chart of the third specific embodiment of assembly method that Figure 10 is gas-liquid separator provided by the present invention, the flow chart of the 4th kind of specific embodiment of the assembly method that Figure 11 is gas-liquid separator provided by the present invention.
In another kind of concrete embodiment, the assembly method of gas-liquid separator can also comprise the following steps:
Step S11, coordinates the align member of fixed head with the outer wall of outlet;
Step S12, coordinates fixed head with the inwall of cavity;
Step S1A, passes the end face of upper shell by inlet tube and outlet respectively, and makes the Plane intersects of the straight length of inlet tube and outlet and the end face of upper shell;
Step S21, weld-ring is placed in the cooperation place between the each parts of gas-liquid separator;
Step S22, sends gas-liquid separator into brazier and carries out one weldering in stove.
In this assembly method, the cooperation place between each parts of gas-liquid separator is regular shape, can adopt one weldering in stove.In the time that each parts of gas-liquid separator are installed, place weld-ring in the cooperation place of each parts, then, mounted gas-liquid separator is sent into brazier, carry out one weldering in stove.When each parts of gas-liquid separator are installed, can adopt the installation process shown in Fig. 4 to Fig. 7.This assembly method operation is simple, has reduced product quality simultaneously operating personnel are welded the dependence of technical ability, has improved product quality and operating efficiency.
In addition, in the respective embodiments described above, cooperation place in step S21 between the each parts of gas-liquid separator comprises: the cooperation place of fixed head and cavity, the cooperation place of align member and outlet, the end face of upper shell and the cooperation place of inlet tube, the end face of upper shell and the cooperation place of outlet, the joint of upper shell and lower shell.
Above gas-liquid separator provided by the present invention and assembly method thereof are described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a gas-liquid separator, comprise upper shell (1), lower shell (2), outlet (4) and fixed head (6), described upper shell (1) and described lower shell (2) docking form the cavity of sealing; It is characterized in that, described fixed head (6) coordinates with described cavity, described fixed head (6) also comprises align member (61), described align member (61) coordinates with described outlet (4), and locates described outlet (4).
2. gas-liquid separator as claimed in claim 1, is characterized in that, described fixed head (6) is the annulus coordinating with described cavity inner wall, and described align member (61) is the annulus coordinating with described outlet (4) outer wall.
3. gas-liquid separator as claimed in claim 2, is characterized in that, the inlet tube (3) of described gas-liquid separator and described outlet (4) the two straight length and the Plane intersects of the end face of described upper shell (1).
4. gas-liquid separator as claimed in claim 3, is characterized in that, described outlet (4) comprises U-shaped pipe and straight tube, and one end of described U-shaped pipe connects described straight tube, the Plane intersects of the end face of described straight tube and described upper shell (1).
5. gas-liquid separator as claimed in claim 4, is characterized in that, described U-shaped pipe is steel U-shaped pipe, and described straight tube is copper straight tube.
6. an assembly method for gas-liquid separator, comprises the following steps:
1) by fixed head, outlet is arranged in the cavity of gas-liquid separator, and locates the relative position of outlet and cavity;
2) cooperation place between the each parts of gas-liquid separator is welded.
7. the assembly method of gas-liquid separator as claimed in claim 6, is characterized in that, described step 1) in comprise the following steps:
11) align member of fixed head is coordinated with the outer wall of outlet;
12) fixed head is coordinated with the inwall of cavity.
8. the assembly method of gas-liquid separator as claimed in claim 7, is characterized in that, described step 2) in comprise the following steps:
21) weld-ring is placed in the cooperation place between the each parts of gas-liquid separator;
22) gas-liquid separator is sent into brazier and carried out one weldering in stove.
9. the assembly method of gas-liquid separator as claimed in claim 8, is characterized in that, described step 1) and described step 2) between further comprising the steps of:
1A) respectively inlet tube and outlet are passed to the end face of upper shell, and make the Plane intersects of the straight length of inlet tube and outlet and the end face of upper shell.
10. the assembly method of gas-liquid separator as claimed in claim 9, it is characterized in that, described step 21) in cooperation place between the each parts of gas-liquid separator comprise: fixed head respectively with the cooperation place of outlet and cavity, the end face of upper shell respectively with the cooperation place of inlet tube and outlet, the joint of upper shell and lower shell.
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| CN201210583812.4A CN103900302A (en) | 2012-12-27 | 2012-12-27 | Gas-liquid separator and assembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210583812.4A CN103900302A (en) | 2012-12-27 | 2012-12-27 | Gas-liquid separator and assembling method thereof |
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| CN105737463A (en) * | 2014-12-08 | 2016-07-06 | 浙江三花制冷集团有限公司 | Liquid storage device |
| CN107363465A (en) * | 2017-08-31 | 2017-11-21 | 安徽众汇制冷有限公司 | A kind of gas-liquid separator welding tooling and its application method |
| CN108700052A (en) * | 2016-03-08 | 2018-10-23 | 三菱电机株式会社 | The manufacturing method of gas-liquid separator holding appliance, hermetic type compressor, the manufacturing device of hermetic type compressor and hermetic type compressor |
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| CN107363465B (en) * | 2017-08-31 | 2023-01-31 | 安徽众汇制冷有限公司 | Gas-liquid separator welding tool and using method thereof |
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