CN214371114U - Oil-gas separator and air conditioning system with same - Google Patents

Abstract

The utility model provides an oil and gas separator and have its air conditioning system relates to the air conditioning technology field, has solved the big technical problem of oil and gas separator noise. The oil-gas separator comprises a separator body, a separation assembly, a gas inlet and a gas outlet, wherein the separation assembly is arranged in the separator body, and the gas inlet and the gas outlet are positioned on two sides of the separation assembly; the silencer is arranged between the separation assembly and the air inlet and is used for eliminating pressure fluctuation and noise of the mixed air; the buffer device is arranged between the separation assembly and the air outlet and used for absorbing pressure pulsation; the air conditioning system comprises a compressor, a condenser and the oil-gas separator arranged between the compressor and the condenser. The utility model discloses have the noise elimination and reduce the function with pressure pulsation, reduce the radiation noise of oil and gas separator and unit.

Description

Oil-gas separator and air conditioning system with same

Technical Field

The utility model belongs to the technical field of the air conditioning technique and specifically relates to an oil and gas separator and have its air conditioning system is related to.

Background

In the cooling water set, high temperature refrigerant gas and lubricating oil can form the oil-gas mixture in the compressor, after the oil-gas mixture leaves the compressor, lubricating oil in the compressor can reduce, this will lead to its life to reduce, so can install oil-gas separator behind the compressor and separate the oil-gas mixture, the mixture flows through filter and the retaining device in the oil-gas separator, oil drops the gathering and falls oil-gas separator bottom and return to the oil storage tank of compressor in, the refrigerant gas after the filtration enters into the condenser with "oil-free" state, and then reach and prevent the trouble, guarantee the effect of device safe high-efficient operation. The oil-gas mixture flowing into the oil-gas separator from the compressor has certain pressure pulsation due to the working principle of the compressor, and the barrel wall structure of the oil-gas separator is excited by the pressure pulsation to vibrate, so that air contacting with the barrel wall structure is excited to vibrate, and then noise is spread outwards, so that structural sound radiation of the barrel wall of the oil-gas separator is formed, and the noise level of the oil-gas separator and even the whole unit is greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil and gas separator and have its air conditioning system to solve the big technical problem of oil and gas separator noise that exists among the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an oil-gas separator, which comprises a separator body, a separation component, an air inlet and an air outlet, wherein the separation component is arranged in the separator body, and the air inlet and the air outlet are positioned at two sides of the separation component; the silencer is arranged between the separation assembly and the air inlet and used for eliminating pressure fluctuation and noise of the mixed air.

As a further improvement of the present invention, the muffler device includes a resonance muffler.

As a further improvement of the utility model, the resonance silencer comprises the multisection tubular resonance silencer of the range upon range of setting along the gas mixture circulation direction to realize reducing the pressure pulsation of multiple times gas mixture under the characteristic frequency.

As the utility model discloses a further improvement, single section tubular resonance silencer all establishes with enclosing including the center tube that is provided with the amortization hole the shell in order to form the resonant cavity outside the center tube, the intake pipe passes behind the air inlet with be closest the center tube intercommunication.

As a further improvement of the utility model, the central tubes of the tubular resonance silencer of all the sections are concentrically arranged.

As a further improvement of the utility model, the specification and the shape of the tubular resonance silencer of all the joints are the same.

As a further improvement of the present invention, the resonant frequency f of the resonant cavity is single-section_OIs composed of

V is the volume of the resonant cavity; g is the transduction ratio of the silencing hole; and c is the speed of sound.

As a further improvement of the present invention, the transduction rate G of the anechoic pores is

n is the number of the silencing holes, t is the thickness of the central tube, and d is the diameter of the silencing holes; s₀For each muffling aperture area.

As a further improvement of the utility model, the gas separator further comprises a buffer device which is arranged between the separation component and the gas outlet and used for reducing pressure pulsation.

As a further improvement, the buffer device is a pressure-adjustable buffer device.

As a further improvement of the utility model, the buffer device comprises an air bag, an air charging device, a pressure pulsation sensor and a switch control valve, the air bag is arranged at a position close to the air outlet, the air charging device is arranged at the outer side of the separator body and is communicated with the air bag through an air charging and discharging pipeline; the pressure pulsation sensor is arranged on an exhaust pipe connected with the air outlet; the switch control valve is installed on the gas charging and discharging pipeline.

As a further improvement of the utility model, separator body top has the arc roof, the gasbag aerify the back roof with the abundant butt of arc roof.

As a further improvement of the utility model, the separation component comprises a filter screen and a baffle which are arranged in a stacked mode in sequence.

The utility model provides a pair of air conditioning system, be in including compressor, condenser and setting the compressor with between the condenser oil and gas separator.

The utility model provides an air conditioning system is at the complete machine operation in-process, and the air-fuel mixture air current that comes from the compressor can enter into oil and gas separator from the pressure pulsation that takes different frequency channels, because pressure pulsation's influence, can produce the noise in the oil and gas separator, simultaneously, during oil and gas separator gas combustion can enter into the condenser, if the combustion gas has certain pressure pulsation, can lead to corresponding pipeline in the condenser to produce the noise, thereby influence whole unit vibration noise level, and when oil and gas mixture passes through the utility model discloses an oil and gas separator with noise elimination and pressure pulsation cut down the function, the pressure pulsation that corresponds the frequency channel can reduce to reduce the radiation noise of oil and gas separator and unit.

Compared with the prior art, the utility model following beneficial effect has:

the utility model provides an oil-gas separator, have noise elimination and pressure pulsation and cut down the function, through installing multisection resonance silencer at oil-gas separator air inlet department, can reduce the pressure fluctuation and the noise of screw rod meshing characteristic frequency component in the oil-gas mixture to realize the effect of noise elimination and noise reduction; the pressure adjustable air bag buffer device is arranged in the oil-gas separator close to the top air outlet, so that pressure pulsation of the oil-gas mixed air flow in a middle-low frequency range can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front sectional view of the oil-gas separator of the present invention.

In the figure 1, a control valve is switched on and off; 2. an inflator; 3. an air bag; 4. a baffle plate; 5. a filter screen; 6. a wall of the oil-gas separator; 7. a sound-deadening aperture; 8. an air inlet pipe; 9. a central tube; 10. a resonant cavity; 11. an exhaust pipe; 12. A pressure pulsation sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1, the utility model provides an oil-gas separator, which comprises a separator body, a separation component, a gas inlet and a gas outlet, wherein the separation component is arranged in the separator body, and the gas inlet and the gas outlet are positioned at two sides of the separation component; and a muffler device disposed between the separation assembly and the intake port for eliminating pressure fluctuation and noise of the mixture gas.

Specifically, the separator body is of a hollow cylindrical structure, the air inlet is positioned at the lower part of the separator body and close to the bottom, and the air outlet is positioned at the upper part of the separator body and close to the top; the separating assembly comprises a filter screen 5 and a baffle 4 which are sequentially stacked, wherein the filter screen 5 is positioned below the baffle 4, the baffles 4 are arranged on the wall 6 of the oil-gas separator in a plurality of blocks, and the tail ends of the baffles are overlapped to form an S-shaped air flow channel.

As an optional embodiment of the present invention, the muffler device includes a resonance muffler. Furthermore, the resonance silencer can be a single-section pipe type resonance silencer, and can also be a multi-section pipe type resonance silencer in order to eliminate the defect that the resonance frequency band of the single-cavity resonance silencer is narrow. When the single-section tubular resonance silencer is adopted, the pressure pulsation under one time of the meshing characteristic frequency of the rotor can be reduced; when the multi-section tubular resonance silencer is adopted, the pressure pulsation under the characteristic frequency of multiple times of rotor meshing can be reduced, and the aim of silencing is further achieved.

On the basis of the technical scheme, when the multi-section tubular resonance silencer is adopted, the resonance silencer is composed of the multi-section tubular resonance silencers which are arranged in a stacking mode along the circulation direction of mixed gas, and pressure pulsation of multiple times of mixed gas under characteristic frequency is reduced. That is to say, the multi-section tubular resonance silencer is arranged in sequence along the airflow flowing direction, so that the airflow passes through each silencer in sequence to be silenced, and the effect of reducing pressure pulsation by multiple times is achieved.

As shown in fig. 1, in an optional embodiment of the present invention, a three-section tubular resonance muffler is adopted to reduce the characteristic pressure pulsation related to the meshing frequency of the screw rotor in the air-fuel mixture flow entering the oil-gas separator, and the three-section resonance muffler can reduce the pressure pulsation under the meshing characteristic frequency of the rotors by 1 time, 2 times and 3 times, thereby achieving the purpose of noise elimination.

After passing through the multi-section vibration muffler, the oil-gas mixture is subjected to oil-gas separation through the filter screen 5 and the baffle 4, and oil drops are gathered and fall to the bottom of the oil-gas separator and return to an oil storage tank of the compressor.

As an optional embodiment of the present invention, the single-tube resonance muffler includes a central tube 9 provided with the muffling hole 7 and a shell surrounding the central tube 9 to form a resonant cavity 10, and the intake tube 8 is communicated with the closest central tube 9 after passing through the air inlet.

It should be noted here that, in order to make the noise reduction effect uniform, the muffling holes 7 are arranged along the central tube 9 in a complete circle and in a uniform array.

The central tubes 9 of all the joint tubular resonance mufflers are concentrically arranged to form a straight passage for the gas flow to pass through, and further, the three lines of the central tube 9 axis, the central axis of the separator body and the central axis of the resonance muffler, i.e., the central axis of the shell, coincide.

Furthermore, the specification and the shape of the pipe type resonance silencer of all the joints are the same.

It should be noted that, in the present invention, the resonant frequency f of the single-section resonant cavity 10_OIs composed of

Wherein V is the resonant cavity volume; g is the transduction ratio of the silencing hole; and c is the speed of sound.

Further, the anechoic pore has a transduction rate G of

Wherein n is the number of the silencing holes, t is the thickness of the central tube, and d is the diameter of the silencing holes; s₀For each muffling aperture area.

Example 2:

the present embodiment 2 is different from the embodiment 1 only in that, on the basis of the technical solution of the embodiment 1, the embodiment 2 further comprises a buffer device arranged between the separation assembly and the air outlet for absorbing the pressure pulsation.

Furthermore, the buffer device is a pressure-adjustable buffer device.

Furthermore, the buffer device comprises an air bag 3, an inflating device 2, a pressure pulsation sensor 12 and a switch control valve 1, wherein the air bag 3 is arranged at a position close to the air outlet, the inflating device 2 is arranged at the outer side of the separator body and is communicated with the air bag 3 through an inflating and deflating pipeline, and further, the inflating device 2 is a nitrogen-inflatable type inflating device 2; the pressure pulsation sensor 12 is installed on the exhaust pipe 11 connected with the air outlet; the switch control valve 1 is installed on the gas charging and discharging pipeline.

In order to be able to carry out spacingly to gasbag 3, separator body top has the arc roof, and the roof is abundant butt with the arc roof after gasbag 3 aerifys.

Except reducing the pulsation composition under the characteristic frequency of oil-gas mixture air current from the area through noise eliminator, the utility model discloses still at oil-gas separator's top installation pressure adjustable nitrogen gas gasbag buffer, reduce the pressure pulsation of well low frequency channel in the oil-gas mixture air current to reduce well low frequency channel noise. A pressure pulsation sensor 12 is installed on the upper portion of an exhaust pipe 11 of the oil-gas separator, the size of pressure pulsation inside the oil-gas separator is monitored in real time, a switch control valve 1 is installed on the upper portion of an adjustable nitrogen gas air bag and used for being connected with an external inflating device 2, and according to the pressure detected by the pressure pulsation sensor, matching adjustment is conducted on the pressure and the capacity of gas in an air bag 3, so that the pressure pulsation in a separation chamber is controlled within an ideal range.

The utility model provides a pair of air conditioning system, including compressor, condenser and the above-mentioned oil and gas separator of setting between compressor and condenser.

Further, the utility model provides a compressor is screw compressor. The oil-gas mixed gas flow which is compressed by the screw compressor and enters the external oil-gas separator contains obvious characteristic frequency pulsation components related to the meshing frequency of the screw rotor, the barrel-shaped structure of the oil-gas separator can be excited to generate structural sound radiation, and the noise eliminator is used for reducing the characteristic pressure pulsation of the oil-gas mixture conveyed to the oil-gas separator by the compressor; besides the characteristic frequency, the high-pressure mixed airflow discharged by the compressor also has pulsating components with other frequencies, the structural noise of an oil-gas separator structure and a subsequent pipeline can be excited, and the buffer device is used for reducing the medium-low frequency band noise generated by the pressure pulsation of the oil-gas mixture. The utility model provides an air conditioning system is at the complete machine operation in-process, and the air-fuel mixture air current that comes from the compressor can enter into oil and gas separator from the pressure pulsation that takes different frequency channels, because pressure pulsation's influence, can produce the noise in the oil and gas separator, simultaneously, during oil and gas separator gas combustion can enter into the condenser, if the combustion gas has certain pressure pulsation, can lead to corresponding pipeline in the condenser to produce the noise, thereby influence whole unit vibration noise level, and when oil and gas mixture passes through the utility model discloses an oil and gas separator with noise elimination and pressure pulsation cut down the function, the pressure pulsation that corresponds the frequency channel can reduce to reduce the radiation noise of oil and gas separator and unit.

The utility model provides an oil-gas separator, have noise elimination and pressure pulsation and cut down the function, through installing multisection resonance silencer at oil-gas separator air inlet department, can reduce the pressure fluctuation and the noise of screw rod meshing characteristic frequency component in the oil-gas mixture to realize the effect of noise elimination and noise reduction; the pressure adjustable air bag buffer device is arranged in the oil-gas separator close to the top air outlet, so that the pressure pulsation of the oil-gas mixed air flow in the middle and low frequency ranges can be reduced, the characteristic frequency and the pressure pulsation and radiation noise of the middle and low frequency ranges in the oil-gas separator can be greatly reduced, and the vibration noise level of the oil-gas separator and a unit can be improved.

It should be noted that "inward" is a direction toward the center of the accommodating space, and "outward" is a direction away from the center of the accommodating space.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (14)

1. An oil-gas separator comprises a separator body, a separation assembly, a gas inlet and a gas outlet, wherein the separation assembly is arranged in the separator body, and the gas inlet and the gas outlet are positioned on two sides of the separation assembly; the silencer is characterized by further comprising a silencer device arranged between the separation assembly and the air inlet and used for eliminating pressure fluctuation and noise of mixed air.

2. A gas-oil separator as in claim 1 wherein the muffling device comprises a resonant muffler.

3. An oil separator as claimed in claim 2, wherein the resonance muffler is composed of a multi-sectional pipe type resonance muffler stacked in a circulation direction of the mixture gas to achieve reduction of pressure pulsation of the mixture gas at a characteristic frequency by multiple times.

4. An oil-gas separator as in claim 3, wherein each single-section tubular resonance muffler comprises a central pipe provided with a sound-absorbing hole and a housing enclosing the outer side of the central pipe to form a resonance cavity, and an air inlet pipe penetrates through the air inlet and then is communicated with the closest central pipe.

5. An oil separator as claimed in claim 3, wherein the center pipes of all the joints of the pipe-type resonance muffler are concentrically disposed.

6. An oil separator as claimed in claim 3, wherein the pipe type resonance muffler of all the joints has the same specification shape.

7. Oil-gas separator according to claim 4, characterized in that the resonance frequency f of a single section of said resonant cavity₀Is composed of

V is the volume of the resonant cavity; g is the transduction ratio of the silencing hole; and c is the speed of sound.

8. Oil-gas separator according to claim 7, characterized in that the transduction rate G of the muffling orifice is

n is the number of the silencing holes, t is the thickness of the central tube, and d is the diameter of the silencing holes; s₀For each muffling aperture area.

9. An oil separator as in any of claims 1-8 further comprising a buffer means disposed between the separation assembly and the gas outlet for damping pressure pulsations.

10. Oil separator according to claim 9, characterized in that the damping means are pressure-adjustable damping means.

11. An oil-gas separator as claimed in claim 10, wherein the buffer device comprises a gas bag, an inflator, a pressure pulsation sensor and a switch control valve, the gas bag is installed at a position close to the gas outlet, and the inflator is installed outside the separator body and communicated with the gas bag through a charging and discharging pipeline; the pressure pulsation sensor is arranged on an exhaust pipe connected with the air outlet; the switch control valve is installed on the gas charging and discharging pipeline.

12. An oil and gas separator as in claim 11 wherein the separator body top has an arcuate top wall against which the top wall fully abuts upon inflation of the bladder.

13. An oil separator as in claim 1 wherein the separation assembly comprises a filter screen and a baffle plate arranged in a stacked arrangement in sequence.

14. An air conditioning system comprising a compressor, a condenser and an air-oil separator as claimed in any one of claims 1 to 13 disposed between the compressor and the condenser.

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